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Günter Helmchen | Researchclopedia

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Günter Helmchen

331

Works

15,152

Citations

64

h-index

179

i10-index

Research Topics

Asymmetric Synthesis and Catalysis Asymmetric Hydrogenation and Catalysis Synthetic Organic Chemistry Methods

Affiliations

University of Stuttgart1974–1981

University of Vienna1996–1996

Max Planck Society2003–2003

University of St Andrews2001–2001

University of Basel2000–2000

Top Works

PhosphinooxazolinesA New Class of Versatile, Modular P,N<i>-</i>Ligands for Asymmetric Catalysis

Günter Helmchen,Andreas Pfaltz

20001,293 citations

Crystallization and Solubility Studies

X-ray Diffraction in Crystallography

Iridium-Catalyzed Asymmetric Allylic Substitution Reactions

Qiang Cheng,Hang‐Fei Tu,et al.

2018780 citations

Basic Principles of the CIP‐System and Proposals for a Revision

Vladlmir Prelog,Günter Helmchen

1982579 citations

Phosphinoaryl- and phosphinoalkyloxazolines as new chiral ligands for enantioselective catalysis: Very high enantioselectivity in palladium catalyzed allylic substitutions

Jürgen Sprinz,Günter Helmchen

1993553 citations

Iridium-catalysed asymmetricallylic substitutions

Günter Helmchen,Axel Dahnz,et al.

2006493 citations

Applications of Iridium-Catalyzed Asymmetric Allylic Substitution Reactions in Target-Oriented Synthesis

Jian‐Ping Qu,Günter Helmchen

2017347 citations

Catalysis of allylic substitutions by Pd complexes of oxazolines containing an additional P, S, or Se Center. X-ray crystal structures and solution structures of chiral π-allyl palladium complexes of phosphinoaryloxazolines

Jürgen Sprinz,Matthias Kiefer,et al.

1994339 citations

Enantioselective palladium-catalyzed allylic substitutions with asymmetric chiral ligands

Günter Helmchen

1999299 citations

First Enantioselective Alkylations of Monosubstituted Allylic Acetates Catalyzed by Chiral Iridium Complexes

Jörg. P. Janssen,Günter Helmchen

1997273 citations