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Walter Lange

Bayer

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Publication

Featured researches published by Walter Lange.

Journal of Fluorine Chemistry | 1991

New approaches to α-fluoroacrylic acid

P.M. Andres; Dietmar Bielefeldt; K.R. Gassen; Walter Lange; Albrecht Marhold

Abstract Three new routes to derivatives of α-fluoracrylic acid including a laboratory synthesis and a large scale method are presented which comprises of i) addition of elementary fluorine to acrylic esters and subsequent elemination of HF, ii) addition of difluorocarbene to isopropenyl methyl ether, oxidation via ring opening and dehalogenation, and iii) ‘nitrofluorination’ of 2,3-dichloropropene, hydrolysis and dechlorination.

Archive | 1990

Optically active (meth)acrylic-acid derivatives, their preparation, their polymerisation into optically active polymers and their use

Walter Lange; Bruno Dr. Bömer; Rolf Grosser; Dieter Dr. Prof. Arlt

Archive | 1996

Chiral stationary phases for chromatographic separation of optical isomers

Bruno Dr. Bömer; Guido Martin Bomer; Rolf Grosser; Walter Lange; Uwe Zweering; Burkhard Dr. Köhler; Wolfram Sirges; Michael Grosse-Bley

Angewandte Chemie | 1991

New Chiral Polyamide Stationary Phases for Chromatographic Enantiomer Separation

Dieter Arlt; Bruno Dr. Bömer; Rolf Grosser; Walter Lange

Archive | 1992

Polymeriable optically active (meth) acrylic acid derivatives

Walter Lange; Bruno Dr. Bömer; Rolf Grosser; Dieter Arlt

Archive | 1992

ENANTIOMER SEPARATING PROCESS ON CHIRAL SEPARATION PHASES BY MEANS OF A CONTINUOUS COUNTER-CURRENT CHROMATOGRAPHY PROCESS

Dieter Arlt; Walter Lange; Bruno Dr. Bömer; Rolf Grosser; Hanns-Ingolf Paul; Günter Schnabel

Angewandte Chemie | 1991

Neue chirale stationäre Polyamid‐Phasen für die chromatographische Enantiomerentrennung

Dieter Arlt; Bruno Dr. Bömer; Rolf Grosser; Walter Lange

Archive | 1996

Chiral solid-phase for the chromatographic separation of optical isomers

Bruno Dr. Bömer; Rolf Grosser; Walter Lange; Uwe Zweering; Burkhard Dr. Köhler; Wolfram Sirges; Michael Grosse-Bley

Chemische Berichte | 1989

Synthesis and reactions of oligomethylene‐clamped 1 H‐azepines and benzene imines. Their valence tautomeric equilibrium and nitrogen stereochemistry

Walter Lange; Werner Tückmantel

Archive | 1991

Optically active N-alpha-fluoroacryloyl-aminoacid derivatives, their preparation, optically active polymers prepared therefrom and their use for the separation of racemates

Rolf Grosser; Walter Lange; Bruno Dr. Bömer; Dieter Arlt; Dietmar Bielefeldt

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Rolf Grosser

Bayer

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Bruno Dr. Bömer

Bayer

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Dieter Arlt

Bayer

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Michael Grosse-Bley

Bayer

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Bruno Dr Boemer

Bayer

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Hanns-Ingolf Paul

Bayer

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Uwe Zweering

Bayer

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Franz-Peter Hoever

Bayer

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Dietmar Bielefeldt

Bayer

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Joachim Komoschinski

Bayer

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