Günter Helmchen

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

Vladlmir Prelog, Günter Helmchen · Angewandte Chemie International Edition in English · 1982 · 576 citations

Philosophy Of Language, Geometry, Basic Principles +10

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

Jürgen Sprinz, Günter Helmchen · Tetrahedron Letters · 1993 · 553 citations

Chemical Engineering, Engineering, Organic Chemistry +9

Iridium-catalysed asymmetricallylic substitutions

Günter Helmchen, Axel Dahnz, Pierre Dübon et al. · Chemical Communications · 2006 · 492 citations

Inorganic Chemistry, Cross-coupling Reaction, Engineering +12

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

Jian‐Ping Qu, Günter Helmchen · Accounts of Chemical Research · 2017 · 344 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, Günter Helmchen et al. · Tetrahedron Letters · 1994 · 339 citations

Inorganic Chemistry, Chemical Engineering, Enantioselective Synthesis +10