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Gerhard Beck

Aventis Pharma

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Featured researches published by Gerhard Beck.

Tetrahedron | 1994

Stereoselective synthesis of 2(S)-(1,1-dimethylethylsulfonylmethyl)-3-(1-naphthyl)-propionic acid, building block for protease inhibitors via asymmetric hydrogenation

Gerhard Beck; Heiner Jendralla; Bernhard Kammermeier

Abstract Title compound 1b (purity > 99%, 99.6%ee) is synthesized (100g scale) from commercial 3-bromo-pyruvic acid in six steps with an overall yield of 16%. The sequence is operationally simple and devoid of chromatographic purifications. Key step is the asymmetric hydrogenation of a substrate with substrate with functionality.

Synlett | 2002

Synthesis of Chiral Drug Substances

Gerhard Beck

Archive | 1999

Salts of ethyl 3-(2-(4-(4-amino-imino-methyl)phenyl)-4-methyl-2,5-dioxo-imidazolidin-1-yl)acetylamino)-3-phenylpropionate

Hans Ulrich Stilz; Gerhard Beck; Manfred Dr. Radau

Archive | 1997

Salt of 3-(2-(4-(4-(amino-imino-methyl)-phenyl)-4-methyl-2,5-dioxo-imidazolidin-1-yl)-acetylamino)-3-propionic acid ethyl ester

Gerhard Beck; Manfred Dr. Radau; Hans Ulrich Stilz; ゲルハルト・ベック; ハンス・ウルリッヒ・シユテイルツ; マンフレート・ラダウ

Archive | 1997

Salze des 3-(2-(4-(4-(Amino-imino-methyl)-phenyl)-4- methyl-2,5-dioxo-imidazolidin-1-yl)-acetylamino)-3- phenyl-propionsäure-ethylesters

Hans Ulrich Stilz; Gerhard Beck; Manfred Dr. Radau

Archive | 1997

Salts of 3-(2-(4-(4-(Amino-imino-methyl)-phenyl)-4-methyl-2,5-dioxo-imidazolidin-1-yl)-acetylamino)-3-phenyl-propionic acid ethylester

Hans Ulrich Stilz; Gerhard Beck; Manfred Dr. Radau

Archive | 1997

３−（２−（４−（４−（アミノ− イミノ− メチル）− フエニル）− ４− メチル− ２，５− ジオキソ− イミダゾリジン− １− イル）− アセチルアミノ）− ３ − フエニル− プロピオン酸− エチルエステルの塩

Gerhard Beck; Manfred Dr. Radau; Hans Ulrich Stilz; ゲルハルト・ベック; ハンス・ウルリッヒ・シユテイルツ; マンフレート・ラダウ

Archive | 1996

Process for the enzymatic separation of enantiomers of racemic 2-oxotricyclo-2,2,1,03,5-heptan-7-carboxylic acids and esters thereof

Wolfgang Holla; Gerhard Beck

Archive | 1996

Salze des 3-(2-(4-(4-(Amino-imino-methyl)-phenyl)-4- methyl-2,5-dioxo-imidazolidin-1-yl)-acetylamino)-3- phenyl-propionsäure-ethylesters Salts of 3- (2- (4- (4- (amino-imino-methyl) -phenyl) -4- methyl-2,5-dioxo-imidazolidin-1-yl) acetylamino) -3-phenyl-propionic acid ethyl ester

Hans Ulrich Stilz; Gerhard Beck; Manfred Dr. Radau

Synlett | 1993

Short and Efficient Synthesis of Protected (2S,3R,4S)-2-Amino-1-cyclohexyl-3,4-alkane-diols: C-Terminal Components of Renin Inhibitors

Heinz-Werner Kleemann; Gerhard Beck; Holger Heitsch; Heiner Jendralla; Remo Weck; Freddy Wiegand

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Hans Ulrich Stilz

Aventis Pharma

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Manfred Dr. Radau

Aventis Pharma

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Holger Heitsch

Aventis Pharma

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Wolfgang Holla

Aventis Pharma

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