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Dive into the research topics where Ralf Devant is active.

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Featured researches published by Ralf Devant.


Tetrahedron Letters | 1988

A novel short and efficient asymmetric synthesis of statine analogues

Ralf Devant; Hans-E. Radunz

Abstract The statine analogues 1a–c have been obtained in high optical purity via addition of the chiral acetate enolate 4 to the α-aminoaldehydes 5a–c , followed by transesterification.


Archive | 2001

4-amino-quinazolines

Werner Mederski; Ralf Devant; Gerhard Barnickel; Sabine Bernotat-Danielowski; James Vickers; Bertram Cezanne; Daljit S. Dhanoa; Bao-Ping Zhao; James Rinker; Mark R. Player; Edward Jaeger; Richard Soll


European Journal of Organic Chemistry | 1988

Eine effiziente und stereoselektive Synthese von D-erythro-Sphingosin

Hans-Eckart Radunz; Ralf Devant; Volker Eiermann


Chirality | 1994

K-Opioid activity of the four stereoisomers of the peripherally selective ?-agonists, EMD 60 400 and emd 61 753

Rudolf Gottschlich; Michael Krug; Andrew Barber; Ralf Devant


Archive | 1999

Substituted benzo [de] isoquinoline-1,3-diones

Werner Mederski; Ralf Devant; Gerhard Barnickel; Sabine Bernotat-Danielowski; Guido Melzer; Peter Raddatz; Zhengdong Wu; Daljit S. Dhanoa; Richard Soll; James Rinker; Todd Graybill


Archive | 1997

PIPERIDINES AND PYRROLIDINES

Joachim März; Henning Böttcher; Ralf Devant; Hartmut Greiner; Gerd Bartoszyk; Jürgen Harting; Christoph Seyfried; Ronny Andersson Bengt; Lars Olov Hansson; Clas Ake Sonesson; Nils Peter Stjernlöf


Archive | 2002

Method for producing-2[-5-(4-fluorophenyl)-3-pyridylmethylaminomethyl]-chromane

Heinz-Hermann Bokel; Steffen Neuenfeld; Ludwig Gantzert; Ralf Knierieme; Elke Simon; Ralf Devant; Udo Helm; Helmut Reubold


Archive | 2002

Novel use of substituted aminomethyl chromans

Henning Böttcher; Ralf Devant; Gerd Bartoszyk; Hermann Russ; Frank Weber; Christoph Seyfried


Archive | 1990

PROCESS FOR THE RESOLUTION OF ENANTIOMERS OF BENZOPYRAN DERIVATIVES

Ralf Devant; Rolf Gericke


Archive | 2009

Use of substituted aminomethyl chromans

Henning Böttcher; Ralf Devant; Gerd Bartoszyk; Hermann Russ; Frank Weber; Christoph Seyfried

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