Günter Helmchen - Concepedia

Author

Günter Helmchen

Heidelberg University

Also Known As

G. HELMCHEN, G. Helmchen, Gunter Helmchen, Günter Helmchen, Günter Helmchen*, Helmchen, G., Helmchen, Günter

331

Publications

15.1K

Citations

H-Index

Concepts

All Affiliations

Heidelberg University University of Stuttgart University of Würzburg

About

Günter Helmchen is an author at Heidelberg University specializing in chemistry, organic chemistry, and engineering.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	56	109	8.6K
2	Natural Sciences	34	55	3K
3	Biochemistry	25	34	1.8K
4	Medicine	5	5	194
5	Language Studies	1	1	576

Günter Helmchen

143

Publications

11.2K

Citations

H-Index

Page 1

	Year	Citations
Basic Principles of the CIP‐System and Proposals for a Revision Vladlmir Prelog, Günter Helmchen Angewandte Chemie International Edition in English Philosophy Of LanguageGeometryBasic PrinciplesStereochemistry ”Business Continuity Planning	1982	576
Phosphinoaryl- and phosphinoalkyloxazolines as new chiral ligands for enantioselective catalysis: Very high enantioselectivity in palladium catalyzed allylic substitutions Jürgen Sprinz, Günter Helmchen Tetrahedron Letters Chemical EngineeringEngineeringOrganic ChemistryNew Chiral LigandsCatalysis	1993	553
Iridium-catalysed asymmetricallylic substitutions Günter Helmchen, Axel Dahnz, Pierre Dübon, Chemical Communications Inorganic ChemistryCross-coupling ReactionEngineeringPhosphorus AmiditesIr-catalysed Allylic Substitution	2006	492
Applications of Iridium-Catalyzed Asymmetric Allylic Substitution Reactions in Target-Oriented Synthesis Jian‐Ping Qu, Günter Helmchen Accounts of Chemical Research	2017	344
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, Tetrahedron Letters Inorganic ChemistryChemical EngineeringEnantioselective SynthesisEngineeringCross-coupling Reaction	1994	339
Enantioselective palladium-catalyzed allylic substitutions with asymmetric chiral ligands Günter Helmchen Journal of Organometallic Chemistry Asymmetric CatalysisEngineeringOrganic ChemistryCatalysisChemistry	1999	299
First Enantioselective Alkylations of Monosubstituted Allylic Acetates Catalyzed by Chiral Iridium Complexes Jörg. P. Janssen, Günter Helmchen Tetrahedron Letters Enantioselective AlkylationsEngineeringAlkene MetathesisOrganic ChemistryCatalysis	1997	273
On the Importance of the Headgroup Substrate Bond in Thiol Monolayers: A Study of Biphenyl-Based Thiols on Gold and Silver H. Rong, S. Frey, Yongjie Yang, Langmuir	2001	246
Asymmetric Two‐Center Catalysis—Learning from Nature Henning Steinhagen, Günter Helmchen Angewandte Chemie International Edition in English Two-center CatalysisBiochemistryNatural SciencesDiversity-oriented SynthesisSimple Scheme	1996	246
Ir-catalysed allylic substitution: mechanistic aspects and asymmetric synthesis with phosphorus amidites as ligands Björn Bartels, Günter Helmchen Chemical Communications Ir-catalysed Allylic AlkylationsCross-coupling ReactionEngineeringPhosphorus AmiditesIr-catalysed Allylic Substitution	1999	197

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