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Featured researches published by Dahl Helmut.


Archive | 1987

RACEMIC SEPARATION OF 7 alpha -ACYLOXY-6 beta -HYDROXYMETHYL-2-OXABICYCLO[3.3.0]OCTANE-3-ONES BY STEREO-SPECIFIC ENZYMATIC ACYLATE HYDROLYSIS

Petzoldt Karl; Dahl Helmut


Archive | 1988

RACEMIC DISSOCIATION OF 3-ACYLOXILIC-BICYCLO(3.3.0)OCTANE-7-ONE-2-CARBOXYLIC ACID ESTERS BY STEREOSPECIFIC ENZYME OR MICROBIOLOGICAL ACYLATE HYDROLYSIS

Petzoldt Karl; Dahl Helmut; Skuballa Werner


Archive | 1988

Improved keto-reduction of carbacycline intermediates

Dahl Helmut; Buettner Gabriele; Peschel Dieter


Archive | 2009

Anvendelse av et aktivt kullfilter som en oksidasjonsinhibitor ved prosessering av prostanderivater, og fremgangsmate for fremstilling av medikamenter som inneholder prostanderivater.

Michel Heinrich; Dahl Helmut; Lipp Ralph; Skuballa Werner; Wagner Torsten; Wessel Martin; Iffert Bernd; Westermann Juergen


Archive | 2008

Use of an activated-carbon filter as an oxidation inhibitor and process for manufacturing medicaments

Wagner Torsten; Wessel Martin; Lipp Ralph; Iffert Bernd; Michel Heinrich; Westermann Jurgen; Dahl Helmut; Skuballa Werner


Archive | 2004

AKTIVKOHLEFILTER ALS OXIDATIONSINHIBITOR BEI PROSTAN-DERIVATEN

Wagner Torsten; Wessel Martin; Lipp Ralph; Iffert Bernd; Michel Heinrich; Westermann Juergen; Dahl Helmut; Skuballa Werner


Archive | 2004

Filter af aktivt kul som oxidationsinhibitor ved prostan-derivater

Wagner Torsten; Wessel Martin; Lipp Ralph; Iffert Bernd; Michel Heinrich; Westermann Juergen; Dahl Helmut; Skuballa Werner


Archive | 2004

FILTRO DE CARVAO ACTIVADO COMO INIBIDOR DE OXIDACAO PARA DERIVADOS DE PROSTANO

Michel Heinrich; Westermann Jurgen; Skuballa Werner; Lipp Ralph; Wagner Torsten; Wessel Martin; Iffert Bernd; Dahl Helmut


Archive | 2003

Racematspaltning af 3-acyloxy-bicyklo[3,3,0]-octan-2-carboxylsyreestere ved stereospecifik enzymatisk eller mikrobiologisk acylathydrolyse til fremstilling af optisk aktive (+)-bicyklo-[3,3,0]octanolderivater

Petzoldt Karl; Dahl Helmut; Skuballa Werner


Archive | 2001

AN OXIDATION INHIBITOR FOR PROSTANE DERIVATIVES

Dahl Helmut; Iffert Bernd; Lipp Ralph; Michel Heinrich; Skuballa Werner; Wagner Torsten; Wessel Martin; Westermann Juergen

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