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Publikationen AK Frahm

Schriftenverzeichnis / Publications

 

2009-2000         

           Cytotoxic Properties of Root Extract and Fruit Juice of Trichosanthes cucumerina            

           Sumonthip Kongtun, Weena Jiratchariyakul, Tanawan Kummalue, Peerapan Tanariya,   

           Somyos Kunnachak, A.W. Frahm

           Planta Med (2009) 75, 839-842

 

            Phytochemical Investigation of Perovskia abrotanoides

S Khaliq, F.-J. Volk, A.W. Frahm

            Planta Medica (2007) 73, 77-83

 

            Cyclic Glutamic Acid Derivatives

Udo Meyer, Philippe Bisel, and August Wilhelm Frahm

            Chirality (2006) 18, 383-394

 

            Immunomodulatory Effect and Quantitation of a Cytotoxic Glycosphingolipid

            from Murdannia loriformis         

            Weena Jiratchariyakul, Molvibha Vongsakul, Leena Sunthornsuk,Primchanien    Moongkarndi, Ammararat Narintorn, Aimon Somanabandhu, Hikaru Okabe,

            A.W. Frahm

            J Nat Med (2006) 60, 210-216

 

            A MEKC method for monitoring Mycophenolic Acid in serum of transplant recipients

            L. Suntornsuk, Th. Meyer, A. Lindgren, A.W. Frahm

            Pharmazie (2005) 60, 115-119

 

            Rigid Non Proteinogenic Cyclic Amino Acids as Ligands for Glutamate Receptors:

            The trans-tris-Homo-Glutamic Acids

Udo Meyer, Philippe Bisel, Hans Bräuner-Osborne, Ulf Madsen, Georg Höfner,

Klaus Th. Wanner and August Wilhelm Frahm

            Chirality (2005) 17, 99-107

 

            Structure-Activity Relationships of Novel P2 Receptor Antagonists Structurally Related to Reactive blue 2

            M.Glänzel, R. Bültmann, K. Starke, A.W. Frahm

            J. Eur.Med. Chem (2005) 40, 1262-1276

 

            Asymmetric Strecker Synthesis of Enantiopure 2,4‑Ethanothreonines

                U. Meyer, E. Breitling, P. Bisel, and A.W. Frahm

            Tetrahedron Asymmetry (2004) 15, 2029-2037

 

            Conformational Analysis of the Biflavanoid GB2 and a Polyhydroxylated    Flavanone–chromone of Cratoxylum neriifolium

            V. Kumar, V. Brecht, A.W. Frahm  

            Planta Medica (2004) 70, 646-651

 

            Stereoselective Synthesis of ( 1R,2S )- and ( 1S,2R )-1-amino-cis-3-azabicyclo[4.4.0]decan-2,4-dione hydrochlorides : Bicyclic Glutamic Acid Derivatives

Ph. Bisel, K.P.Fondekar, F-J. Volk, A.W.Frahm

Tetrahedron (2004) 60, 10541-10545

           

 

Cyclobutane Amino Acids (CBAAs):

            Asymmetric Strecker Synthesis of Enantiopure Cis- and Trans-2,4-Methanovalines

            F.-J. Volk, M. Wagner, A.W. Frahm

            Tetrahedron Asymmetry (2003) 14, 497-502

 

            Constitutional Isomers of Reactive Blue 2 – selective P2Y-Receptor Antagonists?

M. Glänzel, R. Bültmann, K. Starke and A.W. Frahm

Eur. J. Med. Chem. (2003) 38, 303-312

 

            Members of the Acid Blue 129 family as potent and selective P2Y-Receptor   

            Antagonists

M. Glänzel, R. Bültmann, K. Starke and A.W. Frahm

            Drug Development Research (DDR) (2003) 59, 64-71

 

            Comparison of three chiral stationary phases with respekt to their enantio-

and diastereoselectivity for   cyclic ß-substituted a-amino acids

      M. Schlauch, O. Kos, A. W. Frahm

            J. of Pharm. and Biomed. Analysis (2002) 27, 409 - 419

 

            Separation and first Structure Elucidation of Cremophor EL-components by hyphenated Capillary Electrophoresis and DE-MALDI-TOF-Mass Spectroscopy

            Th. Meyer, D. Waidelich, A.W. Frahm

            Electrophoresis (2002) 23, 1053 – 1062

 

            Enantioselective determination of (R)- and (S)-sotalol in human plasma by on-line coupling of a restricted-access material precolumn to a cellobiohydrolase I-based chiral stationary phase

M. Schlauch, K. Fulde, A.W. Frahm

Journal of Chromatography B (2002) 775, 197 – 207

 

            Polyoxyethylene-D9,11-didehydrostearate and glycerolpolyoxyethylene-

D9,11-didehydrostearate: two new components of the non-ionic emulsifier

Cremophor® EL

Th. Meyer, D. Waidelich, A.W. Frahm

J.of Pharm and Biomed Analysis (2002) 30, 263-271

 

            Carbocyclic a,b-Diamino Acids: Asymmetric Strecker Synthesis of Stereomeric

1,2-Diaminocyclohexanecarboxylic Acids

            K.P.Pai Fondekar, F.-J. Volk, S.M. Khaliq-uz-Zaman, P. Bisel, A.W. Frahm

            Tetrahedron Asymmetry (2002) 13, 2241-2249

 

            Expeditious Synthesis and chromatographic resolution of                                                 (+)- and (-)-trans-2-Benzyl-cyclohexan-1,2-diamine Hydrochlorides

P. Bisel, M. Schlauch, E. Weckert, K.-S. Sin, A.W. Frahm

Chirality (2001) 13, 89-93

 

            A thermodynamic study of the temperature-dependent elution order of cyclic

a-amino acids on a copper (II)-D-penicillamine chiral stationary phase

M. Schlauch, A.W. Frahm

Analytical Chem. (2001) 73, 262-266

 

           

Residue Mass Plot and Abundance Plot: Detection of Isobaric

Interferences in DE-MALDI-TOF-Mass Spectra of Complex Polymer Mixtures

            Th. Meyer, D. Waidelich, M. Kunkel, A.W. Frahm

            J. of the American Society, Mass Spectrom (2001) 12, 911 – 925

 

            Asymmetric Synthesis and Chromatographic Resolution of

            all Four Stereomers of the a,b-Propanoleucine

P. Bisel, E. Breitling, M. Schlauch, F.-J. Volk, A.W. Frahm

Pharmazie (2001) 56, 770 – 772

 

            Enantiomeric and diastereomeric HPLC-separation of cyclic

b-substituted a-amino acids on a teicoplanin chiral stationary phase

M. Schlauch, A.W. Frahm

J. of Chromatography A (2000) 868, 197-207

 

            Determination of the immunosuppressive drug mycophenolic acid

in serum with micellar elektrokinetic capillary chromatography (MECC)

S. Noé, J. Böhler, A.W. Frahm

J. of Pharm. and Bio Analysis (2000) 197 – 202

 

            Phytochemical investigation of Aglaia rubiginosa (Hiern) Pannell

S. Weber, J. Puripattanavong, V. Brecht, A.W. Frahm

Journal of Natural Products (2000) 63, 636-642

 

            EPC Syntheses and Structure-Activity Relationship of                                                      Hypoglycemic Semicyclic Amidines 

            S. Hartmann, S. Ulrich, C. Hupfer, and A.W. Frahm

J. Eur. Med. Chem. (2000) 35, 377 – 392

 

            The Heliangolide Dihydrohirsutolide from Arctotis fastuosa and                                      Dichloromethyldihydrohirsutolide

            Ahmed A. Ali, Nasr A. El-Emary, Azza A. Khalifa, Franz-J. Volk , August W. Frahm

            Planta Medica (2000) 66, 585 - 588

 

            Carbocyclic a-amino acids: asymmetric Strecker synthesis of a series

of 2-alkylated 1-aminocyclopentanecarboxylic acids

J. Wede, F.-J. Volk, A.W. Frahm

Tetrahedron Asymmetry (2000) 11, 3231 - 3252

 

            Enantiomeric and diastereomeric HPLC-separation of cyclic b-substituted a-amino  acids on a copper (II)-D-penicillamine chiral stationary phase

M. Schlauch, F.-J. Volk, K.P. Fondekar, J. Wede, A.W. Frahm

J. of Chromatography A, 897 (2000) 145 - 152

 

            Determination of Cremophor EL ® in plasma after sample

preparation with solid phase extraction and plasma protein precipitation

Th. Meyer, J. Böhler, A.W. Frahm

J. of Pharm. and Biomed Analysis (2000) 24, 495 – 506

 

            Phytochemical investigation of Aglaia andamanica Hiern

J. Puripattanavong, S. Weber, V. Brecht, A.W. Frahm

Planta Medica (2000) 66, 740 - 745

 

1999-1990

            On the E/Z Isomerism of Semicyclic Amidinium Salts

            S. Hartmann, V. Brecht, A. W. Frahm

            Magn Reson Chem (1999) 37, 69-72

 

            Substituted Xanthones as Antimycobacterial Agents                                                         3rd communication: QSAR-Investigations

            K.-J. Schaper, M. Pickert, A.W. Frahm

            Arch Pharm - Pharmaceutical and Medicinal Chemistry (1999) 332, 91-102

 

            Carbocyclic a-Amino Acids: Asymmetric Synthesis of all Four

            1-Amino-2-hydroxycyclohexanecarboxylic acids

            K. Pai Fondekar, F.-J. Volk, A.W. Frahm

            Tetrahedron: Asymmetry (1999) 10, 727-735

 

            (1’R,2’R)-3[(cis-2’-Cyclohexylmethylcyclopentyl)imino]-

            2-azabicyclo[2.2.2]octane hydrobromide, a Hypoglycemic Semicyclic Amidine

            S. Hartmann, E. Weckert, A.W. Frahm

            Acta Cryst. Section C (1999), C 55, 806-808

 

            Cis-(1S,2R)-1-Amino-2-Methoxycyclohexanecarboxamide Hydrochlorid

            K.Pai Fondekar, F.-J. Volk, E. Weckert, A.W. Frahm

            Acta Cryst. (1999) C55, 1167-1170

 

            Temperature induced inversion of elution order in the enantioseparation

of sotalol on a CBH 1 based chiral column

K. Fulde, A.W. Frahm

Journal of Chromatography A (1999) 858, 33-43

 

            Titrimetric determination of Cremophor EL in aqueous solutions and biofluids

Part 2: Ruggedness of the method with respect to biofluids

M. Kunkel, T. Meyer, J. Böhler, E. Keller, A.W. Frahm

            J. of Pharm. and Bio. Analysis (1999) 21, 911-922

 

            Constituents of Veltheimia viridifolia -II.

            Spirocyclic Nortriterpenes of the Bulbs

            G. Amschler, A.W. Frahm, D. Müller-Doblies and U. Müller-Doblies

            Phytochemistry (1998) 47, 429-436

 

            Efficiency of haemoperfusion materials at removing                                                          the fungal toxin orellanine from human plasma

            K. Fulde, J. Böhler, E. Keller, A.W. Frahm

            Pharmazie (1998) 53, 58-59

 

            Structure-Activity Relationship of Homochiral 7-Substituted                                            1-Aminoindanes as 5-HT-Agonists

            D. Landsiedel-Maier, A.W. Frahm

            Arch. Pharm. Pharm. Med. Chem. (1998) 331, 59-71

           

 

 

P2-purinoceptor antagonists: IV. Blockade of P2-receptor subtypes                                  and ecto-nucleotidases by compounds related to reactive blue 2

            F. Tuluc, R. Bültmann (correspondence), M. Glänzel, A.W. Frahm, K. Starke

            Naunyn-Schmiedeberg’s Arch Pharmacol (1998) 357, 111-120

 

            The absolute Configuration of cis-(aS,1S,2R)-2-Methyl-                                                   1(a-methylbenzylamino)-cyclohexanecarboxamide       

            F.-J. Volk, G. Mattern, E. Weckert, A.W. Frahm

            Acta Cryst. (1998) C54, 387-389

 

            Diastereo- and Enantioselective Synthesis of (+)- and (-)-cis-2-Aminocyclobutanols        P. Bisel, E. Breitling, A.W. Frahm

            Eur. J. Org. Chem. (1998) 729-733

 

            Titrimetrische Bestimmung von Cremophor EL aus wäßrigen Lösungen und   

            Biofluiden.   Teil 1: Validierung des potentiometrischen Titrationsverfahrens.                          

            M. Kunkel, J. Böhler, E. Keller, A.W. Frahm

            Pharmazie (1998) 53, 314-21

 

            Substituted Xanthones as Antimycobacterial Agents                                                         1st communication: Synthesis and Assignment of 1H/13C NMR Chemical Shifts

            M. Pickert, A.W. Frahm

            Arch Pharm - Pharmaceutical and Medicinal Chemistry (1998) 331, 177-192

 

            Substituted Xanthones as Antimycobacterial Agents                                                         2nd communication: Antimycobacterial Activity 

            M. Pickert, K.-J. Schaper, A.W. Frahm

            Arch Pharm - Pharmaceutical and Medicinal Chemistry (1998) 331, 193-197

 

            Erratum: Substituted xanthones as antimycobacterial agents,

            Part 2: Antimycobacterial activity

Pickert, M., Schaper, K.J., Frahm, A.W.

 (Archiv der Pharmazie (1998) 331 (193)) 

(1998) Archiv der Pharmazie, 331 (6), Page 230

 

            Synthesis and in vitro efficacy of transferrin conjugates

            of the anticancer drug chlorambucil                                                                                    U. Beyer, T. Roth, P. Schumacher, A.W. Frahm, H.H. Fiebig, C. Unger, F. Kratz

            J.Med. Chem. (1998) 41, 2701-2708

 

            Improved Synthesis of (RS)-3-Oxocyclopentanecarboxylic Acid:                                     Characterisation of the Intermediates

            S.-Y. Sung,  P. Bisel, A. W. Frahm

            Pharmazie (1998) 53, 521-524

 

            Alkaloids of the Flowers of Pancratium maritimum                                                                           D. T. A. Youssef, A.W. Frahm

            Planta Medica (1998) 64, 669-670

 

            A Novel Approach to the Rare 4- and 5-Alkylindan-2-ols                                                 P. Bisel, A.W. Frahm

            J. Chem. Research (S) (1998) 590-591

 

            Determination of prednisolone in serum of transplant patients using solid-phase              extraction and micellar electrokinetic chromatography

            S. Noé, J. Böhler, E. Keller, A.W. Frahm

            J. of Pharm. and Bio. Analysis (1998) 18, 471-476

 

            Evaluation and optimisation of separation buffers for the determination of corticosteroids with micellar electrokinetic capillary chromatography (MECC)

            S. Noé, J. Böhler, E. Keller, A.W. Frahm

            J. of Pharm. and Bio. Analysis (1998) 18(4-5), 911-918

 

            Diastereoselective a-Iminoamine Rearrangement:

            Asymmetric Synthesis of (R)-(-)- and (S)-(+)-2-Benzyl-2-hydroxycyclohexanone

            P. Bisel, G. Lauktien, E. Weckert, and A.W. Frahm

            Tetrahedron: Asymmetry (1998) 9, 4027-4034 

 

            Cytotoxic glycosphingolipid from Murdannia loriformis (Hassk.)

            Rolla Rao et Kammathy

W. Jiratchiariakul, H. Okabe, P. Moongkarndi, A.W. Frahm

Thai J. of Phytopharmacy (1998) 5, 10-20

 

            Quantitative Structure-Activity Relationship (QSAR)                                                       Study of Polyhydroxy Xanthones

            J. Ungwitayatorn, M. Pickert, A.W. Frahm

            Pharmaceutica Acta Helvetiae (1997) 72, 23-29

 

            Synthesis and Antimycobacterial Activity of Nitroxanthones                               

1. Communication: The Synthesis and DSC-Analysis

            W. Ibrom, A.W. Frahm

            Drug Res (1997) 47, 767-773

 

Synthesis and Antimycobacterial  Activity of Nitroxanthones                                          2. Communication: The Antimycobacterial Activity

            W. Ibrom, K.-J. Schaper, A.W. Frahm

            Drug Res (1997) 47, 662-667

 

            Kapillarelektrophoretische Methodenentwicklung zur Trennung von Cremophor EL

            M. Kunkel, J. Böhler, E. Keller, A.W. Frahm

            Pharmazie (1997) 52,109-121

 

            Asymmetric Synthesis and Structure-Activity Relationship                                           

            of the Four Stereoisomers of the Antibiotic Amidinomycin

            Part 2: Microbiological Testing

            S.-Y. Sung, M. Kist, A.W. Frahm

            Arch. Pharm. Pharm. Med. Chem. (1997) 330, 21-24

 

            Synthesis of Maleimide Derivatives of the Anticancer Drugs 5-Fluorouracil and

            5’-Deoxy-5-fluorouridine for the Preparation of Chemoimmunoconjugates

            U. Beyer, P. Schumacher, C. Unger, A. W. Frahm, F. Kratz

            Pharmazie (1997) 52, 480-482

 

           

 

Diastereo- and Enantioselective Synthesis of Dimethylcyclohexanamines                         via Asymmetric Reductive Amination

            B. Speckenbach, P. Bisel, A.W. Frahm

            Synthesis (1997) 1325 - 1330

 

            Diastereo-and Enantioselective Synthesis of Cis-Configured

            2-Oxygenated Cyclohexanamines by Asymmetric Reductive Amination

            G. Lauktien, F.-J. Volk, A.W. Frahm

            Tetrahedron: Asymmetry (1997) 8, 3457-3466

 

            Blockade of P2X- and P2Y-purinoceptors by compounds related to reactive blue 2.        F. Tuluc, R. Bültmann, A.W. Frahm, K. Starke

            Naunyn-Schmiedebergs Arch Pharmacol (1997) 355:R35

 

            Investigation of anticancer compounds from Murdannia loriformis

            W.Jiratchariyakul,P. Moongkarndi,H. Okabe,A.W. Frahm

            Proceeding of the first Indochina Conference on Pharmaceutical Sciences

            (Pharma Indochina 1997) Pharmacy in Harmony.

            Faculty of Pharmacy, Mahidol University, Bangkok, Thailand.

             20-23 May, 1997: 171-192.

 

            Reinvestigation of Amaryllis belladonna

            O.R. Queckenberg, A.W. Frahm, D. Müller-Doblies, U. Müller-Doblies

            Phytochemical analysis (1996) 7, 156-160

 

            Circular Dichroism of C-7, C-6 trans-fused Guaianolides of Centaurea scoparia

            Diaa Youssef, A.W. Frahm

            Phytochemistry (1996) 41, 1107-1111

 

            The Absolute Configuration of Chlorojanerin; a chlorine   

            containing guaianolide from Centaurea scoparia

            G. Mattern, E. Weckert, D. Youssef, A.W. Frahm

            Acta Cristallographica (1996) C52, 1791-1793

 

            Asymmetric Synthesis and Structure Activity Relationship of the

            Four Stereoisomers of the Antibiotic Amidinomycin.

            S.-Y. Sung, A.W. Frahm

            Archiv der Pharmazie (1996) 329, 291-300

 

            Asymmetric Strecker Synthesis of All Four                                                                        1-Amino-2-methyl-cyclohexanecarboxylic Acids

            F.-J. Volk, A.W. Frahm

            Liebigs Ann Chem (1996) 1893-1903

 

            Assignment of 1H and 13C-NMR Chemical Shifts for Nitroxanthones

            W. Ibrom, A.W. Frahm

            Magn Reson Chem (1996) 34, 937-944

 

            Bestimmung von Corticosteroiden in Humanserum mit der micellaren

            elektronischen Chromatographie und direkter Probeninjektion

            S. Noé, J. Böhler, E. Keller, A.W. Frahm

            Sci. Pharm. (1996) 64, 591-600

 

            Constituents of Veltheimia viridifolia :I. Homoisoflavanones of the Bulbs

            G. Amschler, A.W. Frahm, A. Hatzelmann, U. Kilian,                                                 D. Müller-Doblies, U. Müller-Doblies

            Planta Medica (1996) 62, 534-539

 

            A Steroidal Glucoside from Murdannia loriformis (Hassk.) Rolla Rao et Kammathy

W. Jiratchirariakul, H. Okabe, A.W. Frahm

Thai J. of Phytopharmacy (1996) 3, 31-39

 

            Alkaloids from Brunsvigia gregaria

            O.R. Queckenberg, A.W. Frahm, D. Müller-Doblies, U. Müller-Doblies

            Planta medica (1995) 61, 581-582

 

            Constituents of the Egyptian Centaurea scoparia Part III:

            Phenolic Constituents of the Aerial Parts

            Diaa Youssef, A.W. Frahm

            Planta medica (1995) 61, 570-573

 

            Supercritical Fluid Extraction - Schnelligkeit und Selektivität in der Naturstoffanalytik
            O.R. Queckenberg, A.W.Frahm
            Die Pharmazie (1994) 49, 159-166

 

            Revised Assignment of 13C-NMR-Signals to Quarternary Carbons

            of the Amaryllidaceae Alkaloid Lycorin
            M. Spohn, V. Brecht, A.W. Frahm
            Arch. Pharmaz (1994) 327, 123-24

 

            Constituents of the Egyptian Centaurea Scoparius Sieb Part I:                                        Chlorinated Guaianolides of the Aerial Parts
D. Youssef, A.W.Frahm
Planta Medica (1994) 60, 267-271

 

            Constituents of the Egyptian Centaurea scoparius Sieb Part II:                           Guaianolides of the aerial parts
D. Youssef, A.W. Frahm
Planta Medica (1994) 60, 572-575

 

            Chlorine-containing guaianolides from the aerial parts of Centaurea scoparius 

Youssef, D., Frahm, A.W

(1993) Planta Medica, 59 (7 SUPPL.).

 

            Biflavanoids from the heartwood of Garcinia schomburgkiana and their structural elucidation as atropisomers                                                                                                    

Häfner, A., Frahm, A.W.

(1993)                                                                                                               Planta Medica, 59 (7 SUPPL.). 

 

            Phytochemical investigation of Veltheimia viridifolia                                      

Amschler, G., Müller-Doblies, D., Müller-Doblies, U., Frahm, A.W.

(1993) Planta Medica, 59 (7 SUPPL.). 

 

           

Chromatographic and  Spectroscopic Coupling Technique,                                             a powerful Tool for the Screening of wild growing Amaryllidaceae.
O.R.Queckenberg, A.W. Frahm
J.P.C. (1993) 6, 55-61

 

            Enantioselective Amidoamination: A New regiospecific strategy for
            the synthesis of chiral cyclohexane-1,2-diamino-derivatives
            (13.
Mitt. der Reihe: Asymmetrisch reduktive Aminierung von Cycloalkanonen)
            W.H. Schlichter, A.W.Frahm
            Arch Pharmaz (1993) 326, 429-36

 

            The Absolute Configuration of (+)-2-Benzyl-

            2-[N-(a-phenylethyl)amino]cyclohexanone Hydrochloride
            R. Platzbecker, G. Will, K. Hümmer, E. Weckert, G. Lauktien, A. W. Frahm
            Acta Cryst. (1993) C49, 307-310

 

            Novel, enantioselective Synthesis of vicinal Cyclohexanane-Diamines as Key- 

            intermediates for highly selective Opioid Kappa and Sigma Agonists
            (12.
Mitt. der Reihe: Asymmetrische reduktive Aminierung von Cycloalkanonen)
            W.H. Schlichter, A.W. Frahm
            Asymmetry (1992) 3, 329-32

 

            Guaianolides from Venidium Fastuosum
            A.A. Ali, N.A. El-Emary, A.A. Khalifa, A.W. Frahm
            Phytochemistry (1992) 31, 2781-84

 

            Structure establishment by 2D-NMR of the product obtained in the reaction of

            MCPBA and Himachalol  and  revised 1H-NMR assignments for the Himachalol.
            P.K. Agrawal, M. Schneider, A.W. Frahm
            MRC (1992) 30, 1079-1083

 

            Chemotaxonomic investigation of wild growing amaryllidaceae using multidimensional coupling techniques: Development of a screening method 

Queckenberg, O., Frahm, A.W., Muller-Doblies, D., Muller-Doblies, U.

(1992) Planta Medica, 58 (7 SUPPL.), Pages A699-A700. 

 

           

Asymmetrische reduktive Aminierung von Cycloalkanonen 11. Mitt.:                          Die Synthese optisch aktiver 2- subst. Cycloheptanamine
L.K. Liem, A.W. Frahm
Arch. Pharmaz. (1991) 324, 335-47

 

            Ein allgemeiner Zugang zu cyclischen a-Ketolethern
            Th.Erker, A.W. Frahm
            Sci.
Pharm. (1991) 59, 82

 

            Quantitative Struktur-Wirkungsbeziehungen bei Polyhydroxy-xanthonen             2. Mitt.: Synthese mehrfach oxigenierter 2-Hydroxyxanthone

            N.M.A. Mahfouz, H. Hambloch, N.M. Omar, A.W. Frahm

            Arch. Pharmaz. 323, 162-169 (1990)

 

           

Asymmetrische reduktive Aminierung von Cycloalkanonen 10. Mitt.:                       Die EPC-Synthese von bicyclischen N-Heterocyclen

            F. Omar, A.W. Frahm

            Arch. Pharmaz. 323, 923-28 (1990)

 

            Asymmetrische reduktive Aminierung von Cycloalkanonen 12. Mitt.:               Absolute Konfiguration und optische Reinheit 2-substituierter Cycloheptanamine

            L.K. Liem, A.W. Frahm

            Scientia Pharmaceutica 58, 353-71 (1990)

 

            An Investigation of Keto-enol Tautomerism                                                                       in 2-Acetyl-1-Tetralone by 2D NMR Spectroscopy
            P.K. Agrawal, R.S. Thakur, A.W. Frahm, M. Schneider
            M.R. C 28, 931-3 (1990)

 

1989-1980

            Asymmetrische reduktive Aminierung von Cycloalkanonen 7. Mitt.:                                   Die asymmetrische Synthese von cis-1R, 2R-und cis 1S, 2S-2-Arylcyclohexanaminen

            C.M. Nachtsheim, A.W. Frahm

            Arch. Pharmaz. 322, 187-97 (1989)

 

            Asymmetrische reduktive Aminierung von Cycloalkanonen 8. Mitt.:                              Die EPC-Synthese arylsubstituierter cis-4aR,10bR- und cis-4aS,10bS-Oktahydrophenanthridine

            C.M. Nachtsheim A.W. Frahm

            Arch. Pharmaz. 322, 199-206 (1989)

 

            Asymmetrische reduktive Aminierung von Cycloalkanonen 9. Mitt.:                         Die asymmetrische Synthese GABA-verwandter cycloaliphatischer Aminosäuren

            F. Omar, A. W. Frahm

            Arch. Pharmaz. 322, 461-71 (1989)

 

            Absolute Configuration of (-)-4-Bromo-N-cis-2’-phenylcycloheptylbenzamide

            L.K. Liem, A.W. Frahm, A. Kirfel, G. Adwidijaja

            Acta Crystallographica C 46, 1268-71 (1989)

 

            Asymmetrische reduktive Aminierung von Cycloalkanonen 6. Mitt.:                                  Die asymmetrische Synthese der cis-4R.8R-und cis-4 S.8S-Dekahydrochinoline

            F. Omar, A.W. Frahm

            Arch.Pharm. 321, 111-114 (1988)

 

            The Differentiation of Distereomeric 2-substituted Cyclohexanamines

            with three Chirality Centres by 13C-NMR-Spectroscopy

            G. Knupp, A.W. Frahm

            Magnetic Resonance in Organic Chemistry 26, 37-41 (1988)

 

            Absolute Configuration of (-)-4-Bromo-N-(cis-2'-phenylcyclopentane) benzamide

            W. Wiehl, A. Kirfel, A.W. Frahm

            Acta Cristallographica C43, 83-85 (1987)

 

           

 

Zur Stereochemie der 3-Oxo-5-phenyl-1-cyclopentancarbonsäuren 9. Mitt.:      Synthese kernfluorierter, stereomerer 3-Oxo-5-phenyl-1-cyclopentancarbonsäuren.                                  

            M. Beck, S. Jaunich, A.W. Frahm

            Arch. Pharmaz. 319, 29-37 (1986)

 

            Zur Stereochemie der 3-Oxo-5-phenyl-1-cyclopentancarbonsäuren 10. Mitt.:   Versuche zum Existenzbeweis der                                                                                           t-2-Methyl-3-oxo-r-5-(4-fluorphenyl)-t-1-cyclopentan-carbonsäure

            I. Körfer, A.W. Frahm

            Arch. Pharmaz. 319, 465-468 (1986)

 

            Zur Stereochemie der 3-Oxo-5-phenyl-1-cyclopentancarbonsäuren 11. Mitt.:    Synthese der stereomeren 3-Oxo-5-(2,3,4-pyridlyl)-cyclopentancarbonsäuren

            M. Beck, A.W. Frahm

            Arch. Pharmaz. 319, 366-372 (1986)

 

            Stereochemie substituierter Glutarsäuren 2. Mitt.:                                                       Synthese kernfluorierter, mehrfach substituierter Glutarsäuren

            S. Jaunich, A.W. Frahm

            Arch. Pharmaz. 319, 399-405 (1986)

 

            Asymmetrische reduktive Aminierung von Cycloalkanonen 5. Mitt.:                 Synthese und absolute Konfiguration 2-substituierter Cyclopentanamine

            W. Wiehl, A.W. Frahm

            Chem. Ber. 119, 2668-77 (1986)

 

            Optisch Aktive, diastereomerenreine Dimethylcyclohexanamine aus

            handelsüblichen Gemischen diastereomerer Dimethylhexananole

            B. Speckenbach, A.W. Frahm

            Sci. Pharm. (1986) 54, 172

 

            Asymmetrische reduktive Aminierung von Cycloalkanonen 3. Mitt.:                        Der Einfluß von Katalysator und Reduktionsmittel auf die Dia- und Enantioselektivität

            G. Knupp, A.W. Frahm

            Arch. Pharm. 318, 250-7 (1985)

 

            Quantitative Structure-Activity-Relationships with the Tuberculostatic Activity of Polyhydoxy Xanthones and their 13-C-NMR-Chemical Shifts

            H. Hambloch, B. Wiedemann, A.W. Frahm

            Eur. J. Med. Chem. 20, 71-77 (1985)

 

            Asymmetrische reduktive Aminierung von Cycloalkanonen 4. Mitt.:                 Synthese optisch aktiver trans-3-substituierter Cyclohexanamine

            G. Knupp, A.W. Frahm

            Arch. Pharm. 318, 535-42 (1985)

 

            Zur Stereochemie der 3-Oxo-5-phenyl-1-cyclopentancarbonsäuren 6. Mitt.:       Chemo-, Regio- und Stereoselektivität der Methylierung von                                               ß-Cyclopentanoncarbonsäureestern.

            I. Körfer, A.W. Frahm

            Arch. Pharmaz. 318, 364-9 (1985)

 

           

 

Absolute Configuration of (-)-cis-2-Ethylcyclohexanamine-hydrochloride                  by X-Ray Crystallography

            G. Knupp, A.W. Frahm, A. Kirfel, T. Fröhlich, G. Will

            Acta Cristallographica C41, 468-470 (1985)

 

            Synthesis and spectroscopic properties of                                                                    cis-1.3.3a.8a-Tetrahydro-cyclopent(a)inen-2.8-dion

            G. Knupp, H. Hambloch, A.W. Frahm

            Arch. Pharmaz. 318, 918-22 (1985)

 

            Stereochemie substituierter Glutarsäuren  1. Mitt.:                                                        (±) threo- und erythro-2-Methyl-3-phenyl-glutarsäuren

            A.W. Frahm

            Arch. Pharmaz. 318, 1009-15 (1985)

 

            Zur Stereochemie der 3-Oxo-5-phenyl-1-cyclopentancarbonsäuren 7. Mitt.:      Synthese kernfluorierter, stereomerer 5-Phenyl-dihydrosarkomycine, Teil 1

            I. Körfer, A.W. Frahm

            Arch. Pharmaz. 318, 1030-37 (1985)

 

            Zur Stereochemie der 3-Oxo-5-phenyl-1-cyclopentancarbonsäuren 8. Mitt.:      Synthese kernfluorierter, stereomerer 5-Phenyl-dihydrosarkomycine, Teil 2

            I. Körfer, A.W. Frahm

            Arch. Pharmaz. 318, 1131-34 (1985)

 

            13-C-NMR-Spectra of Amaryllidaceae Alkaloids Part 1:                                          Alkaloids with the Crinane Skeleton

            A.W. Frahm, A.A. Ali, M.A. Ramadan

            Org. Magn. Res. 23, 804-808 (1985)

 

            Die asymmetrische, reduktive Aminierung von 2-substituierten Cyclohexanonen,       2. Mitt.: Synthese und absolute Konfiguration von 2-substituierten Cyclohexanaminen

            G. Knupp, A.W. Frahm

            Chem. Ber. 117, 2076-98 (1984)

 

            Phytochemical Investigation of Hippeastrum vittatum Part IV:              Stereochemistry of Pancracine, the first 5,11-methanomorphanthridine alkaloid from Hippeastrum-structure of "Hippagine"

            A.A. Ali, M.K. Mesbah, A.W. Frahm

            Planta Medica 50, 188-9 (1984)

 

            Alkaloidal Constituents of Crinum Bulbispermum Part III:                               Structural Elucidation of Bulbispermine

            A.A. Ali, M.A. Ramadan, A.W. Frahm

            Planta medica 50, 424-7 (1984)

 

            Relative Configuration of the Alkaloid Augustamine

            A.A. Ali, H. Hambloch, A.W. Frahm

            Phytochemistry 22, 283-7 (1983)

 

           

 

Three Isoflavonoids from Iris Germanica

            A.A. Ali, N.A. El-Emary, M.A. Al-Moghazi, F.M. Darwish, A.W. Frahm

            Phytochemistry 22, 2061-63 (1983)

 

            Alkaloids of Crinum latifolium

            S. Ghosal, K. Saini, A.W.Frahm

            Phytochemistry 22, 2305-09 (1983)

 

            Phytochemical Investigation of Dalbergia Parviflora II

            Neoflavanoidal  and Benzophenone Constituents.

            N. Muangnoicharoen, A.W. Frahm

            Phytochemistry 21, 767-772 (1982)

 

            13-C-NMR-Spectroscopy of substituted Xanthones IV:

            13-C-NMR-Spectral  Study of Polyacetoxy Xanthones.

            R.K. Chaudhuri, A.W. Frahm

            Org. Magn. Res. 19, 12-4 (1982)

 

            13-C-NMR-Spectroscopy of substituted Xanthones V:

            Computer supported structure elucidation of                                                                    Poly-Hydroxy-, Methoxy- and Acetoxy-Xanthones.

            H. Hambloch, A.W. Frahm

            Org. Magn. Res. 19, 43-8 (1982)

 

            Zur Stereochemie der 3-Oxo-5-phenyl-cyclopentancarbonsäuren V:

            Zur stereoselektiven Synthese der stereomeren 5-Phenyl-dihydroisosarkomycine

            A.W. Frahm

            Arch. Pharmaz. 315, 858-65 (1982)

 

            New Arylbenzofurans from Dalbergia Parviflora

            N. Muangnoicharoen, A.W. Frahm

            Phytochemistry 20, 291-3 (1981)

 

The Alkaloids of  Crinum Augustum Rox. I.

Two new nonhydroxylated Amaryllidaceae  Alkaloids.

            A.A. Ali, H. Kating, M.A. El-Moghazi, M.A. Ramadan, A.W. Frahm

            Phytochemistry 20, 1121-3 (1981)

 

            The  Alkaloids of Crinum Augustum Rox. II.                                                                 Four new 6-hydroxylated Alkaloids in the Crinine series

            A.A. Ali, H. Kating, A.W. Frahm

            Phytochemistry 20, 1731-3 (1981)

 

            The  Alkaloids of Crinum Augustum Rox. III.                                                            Augustine, a new 1,2-Epoxyalkaloid in the Crinine series;

            the relative configuration.

            A.A. Ali, H. Kating, A.W. Frahm

            Phytochemistry 20, 1735-8 (1981)

 

            Simple Synthesis of Methylsubstituted Cyclohexanamines

            with high Stereoselectivity

            G. Knupp, A.W. Frahm

            J. Chem. Research 4, 164-5 (1981)

 

            Asymmetric Synthesis of 2-Alkyl (Aryl)cyclohexanamines

            G. Knupp, A.W. Frahm

            Tetrahedron Letters 22, 2633-6 (1981)

 

            Alkaloids of Crinum Pratense.

            S. Ghosal, P.H. Rao, D.K. Jaiswal, Y. Kumar, A.W. Frahm

            Phytochemistry 20, 2003-7 (1981)

 

            Phytochemical Investigation of Hippeastrum vittatum Part III:                          Structural Elucidation of Hippadine

            A.A. Ali, M.K. Mesbah, A.W. Frahm

            Planta Medica 43, 407-9 (1981)

 

            Ein neues Sesquiterpenketon aus Arnica-Arten

            R. Schmitz, A.W. Frahm, H. Kating

            Phytochemistry 19, 1477-80 (1980)

 

            13-C-NMR-Spectrocopy of substituted Xanthones III:

            Computer supported structure elucidation of Polyhydroxyxanthones

            H. Hambloch, A.W. Frahm

            Tetrahedron 36, 3273-3280 (1980)

 

            Reserved Substituent Effect for the 13-C-NMR Chemical

            Shifts in the unsubstituted Ring of para-substituted Benzophenones.

            H. Hambloch, A.W. Frahm

            Org. Magn. Res. 14, 444-6 (1980)

 

1979-1970

            13-C-NMR-Spectroscopy of substituted Xanthones Part II:

            13-C-NMR Spectral Study of Polyhydroxyxanthones

            A.W. Frahm, R.K. Chaudhuri

            Tetrahedron 35, 2035-8 (1979)

 

            Prostalidins A,B,C and retrochinensin, new antidepressant

            4-Aryl-2,3-naphthalide lignans from Justitia prostata

            S. Ghosal, S. Baneryee, A.W. Frahm

            Chemistry and Industry (London) 1979, 854-5

 

            13-C-NMR-Spectroscopy of Polymethoxyxanthones

            R.K. Chaudhuri, F. Zymalkowski, A.W. Frahm

            Tetrahedron 34, 1837-40 (1978)

 

            Zur Stereochemie der 3-Oxo-5-phenyl-1-cyclopentancarbonsäuren II:                                       Die stereomeren 5-Phenyl-dihydroisosarkomycine

            A.W. Frahm

            Liebigs Ann. Chem. 1976, 600-609

 

            Zur Stereochemie der 3-Oxo-5-phenyl-1-cyclopentancarbonsäuren, III:

            Synthese der stereomeren 5-Phenyl-dihydro-sarkomycine; Teil 1

            A.W. Frahm

            Liebigs Ann. Chem. 1976, 824-834

 

            Zur Stereochemie der 3-Oxo-5-phenyl-1-cyclopentancarbon-säuren IV:                                 Synthese der stereomeren 5-Phenyl-dihydro-sarkomycine;Teil 2                                         A.W. Frahm

Liebigs Ann. Chem. 1976, 835-842

 

            Die Synthese von ß-Phenyl-isoserinen durch Ammonolyse von

            ß-Phenylglycidestern (II)

            E. Kamandi, A.W. Frahm, F. Zymalkowski

            Arch. Pharmaz. 308, 135-141 (1975)

 

            Die Synthese von ß-Phenyl-isoserinen durch Ammonolyse von

            ß-Phenylglycidestern (I)

            E. Kamandi, A.W. Frahm, F. Zymalkowski

            Arch. Pharmaz. 307, 871-8 (1974)

          

            Die absolute Konfigration der 4 isomeren cis- und trans-

            6-Amino-6,7,8,9-tetrahydro-5H-benzocycloheptenole-(5)

            G. Mohr, A.W. Frahm, F. Zymalkowski

            Liebigs Ann. Chem. 756, 103-111 (1972)

 

            Darstellung und Acetolyse des 2,4-Dihydroxy-3-morpholino-methyl-acetophenons

            H.E. Hagen, A.W. Frahm, R. Brandes, H.J. Roth

            Arch. Pharmaz. 303, 988-993 (1970)

 

1969-1964

            Zur Stereochemie der 2-Phenyl-1-carboxy-cyclopentanone-(4)

            A.W. Frahm

            Liebigs Ann. Chem. 728, 21-31 (1969)

 

            Darstellung von a + ß -Laktoncarbonsäuren aus

            D,L-3-(1'-Methoxymethylpropyl-)glutarsäure

            A.W. Frahm

            Arch. Pharmaz. 301, 621-623 (1968)

 

            Die Synthese der D,L-3-(1'-Methoxymethylpropyl-)glutarsäure

            F. Zymalkowski, A.W.Frahm

            Naturwissenschaften 51, 57 (1964)

 

            Syntheseversuche in der Emetinreihe

            F. Zymalkowski, A.W. Frahm

            Arch. Pharmaz. 297, 219-226 (1964)