Günter Helmchen - Publications, H-index & Citations

Günter Helmchen

Ruprecht Karls University Heidelberg

64H指数

368论文数

1.5W被引数

收录论文 37

发表时间

Dibenzothiophenesulfilimines: A Convenient Approach to Intermolecular Rhodium-Catalysed C-H Amidation 二苯并噻吩亚氨基: 一种方便的分子间铑催化的c-h酰胺化方法

CHEMISTRY-A EUROPEAN JOURNAL

IF3.7

2020-06-09

OAAI

Antoni, Patrick W.; Mackenroth, Alexandra V.; Mulks, Florian F.; Rudolph, Matthias; Helmchen, Guenter; Hashmi, A. Stephen K.

Applications of Iridium-Catalyzed Asymmetric Allylic Substitution Reactions in Target-Oriented Synthesis 铱催化不对称烯丙基取代反应在靶向合成中的应用

ACCOUNTS OF CHEMICAL RESEARCH

IF17.7

2017-09-22

283

PREAI

Qu, Jianping; Helmchen, Guenter

Immobilized Catalysts for Iridium-Catalyzed Allylic Amination: Rate Enhancement by Immobilization

CHEMISTRY-A EUROPEAN JOURNAL

IF3.7

2015-03-18

PREAI

Malakar, Chandi C.; Helmchen, Guenter

Enantio- and Regioselective Iridium-Catalyzed Allylic Esterification

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

IF15.6

2014-01-21

PREAI

Qu, Jianping; Rossberg, Lydia; Helmchen, Guenter

Addition of Organometallic Reagents to Chiral N-Methoxylactams: Enantioselective Syntheses of Pyrrolidines and Piperidines

CHEMISTRY-A EUROPEAN JOURNAL

IF3.7

2013-10-21

PREAI

Jaekel, Mascha; Qu, Jianping; Schnitzer, Tobias; Helmchen, Guenter

Synthesis and Biological Properties of Novel Brefeldin A Analogues

JOURNAL OF MEDICINAL CHEMISTRY

IF6.8

2013-07-08

OAAI

Seehafer, Kai; Rominger, Frank; Helmchen, Guenter; Langhans, Markus; Robinson, David G.; Oezata, Basak; Bruegger, Britta; Strating, Jeroen R. P. M.; van Kuppeveld, Frank J. M.; Klein, Christian D.

Syntheses of the Hexahydroindene Cores of Indanomycin and Stawamycin by Combinations of Iridium-Catalyzed Asymmetric Allylic Alkylations and Intramolecular Diels-Alder Reactions

CHEMISTRY-A EUROPEAN JOURNAL

IF3.7

2012-11-23

PREAI

Gaertner, Martin; Satyanarayana, Gedu; Foerster, Sebastian; Helmchen, Guenter

Iridium-Catalyzed Allylic Substitutions with Cyclometalated Phosphoramidite Complexes Bearing a Dibenzocyclooctatetraene Ligand: Preparation of (π-Allyl)Ir Complexes and Computational and NMR Spectroscopic Studies 带有二苯并环辛四烯配体的环金属化亚磷酰胺配合物的铱催化烯丙基取代: (π-烯丙基) Ir配合物的制备以及计算和NMR光谱研究

CHEMISTRY-A EUROPEAN JOURNAL

IF3.7

2012-09-27

PREAI

Raskatov, Jevgenij A.; Jaekel, Mascha; Straub, Bernd F.; Rominger, Frank; Helmchen, Guenter

Enantioselective Total Synthesis and Absolute Configuration of Apiosporic Acid

JOURNAL OF ORGANIC CHEMISTRY

IF3.6

2012-04-23

PREAI

Gaertner, Martin; Kossler, David; Pflaesterer, Daniel; Helmchen, Guenter

Enantioselective Syntheses of the Alkaloids cis-195A (Pumiliotoxin C) and trans-195A Based on Multiple Applications of Asymmetric Catalysis

JOURNAL OF ORGANIC CHEMISTRY

IF3.6

2011-12-30

PREAI

Gaertner, Martin; Qu, Jianping; Helmchen, Guenter

Iridium-Catalyzed Allylic Vinylation and Asymmetric Allylic Amination Reactions with o-Aminostyrenes

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

IF15.6

2011-11-02

158

PREAI

Ye, Ke-Yin; He, Hu; Liu, Wen-Bo; Dai, Li-Xin; Helmchen, Guenter; You, Shu-Li

Differential effects of the brefeldin A analogue (6R)-hydroxy-BFA in tobacco and Arabidopsis

JOURNAL OF EXPERIMENTAL BOTANY

IF5.7

2011-02-28

OAAI

Langhans, Markus; Foerster, Sebastian; Helmchen, Guenter; Robinson, David G.

Bicyclic Cyclopentenones via the Combination of an Iridium-Catalyzed Allylic Substitution with a Diastereoselective Intramolecular Pauson-Khand Reaction

ADVANCED SYNTHESIS & CATALYSIS

IF4

2011-02-09

PREAI

Farwick, Andreas; Engelhart, Jens U.; Tverskoy, Olena; Welter, Carolin; Umlauf (nee Stang), Quendolin A.; Rominger, Frank; Kerr, William J.; Helmchen, Guenter

Platinum(II) Chloride-Catalyzed Stereoselective Domino Enyne Isomerization/Diels Alder Reaction

JOURNAL OF ORGANIC CHEMISTRY

IF3.6

2010-10-19

PREAI

Schelwies, Mathias; Farwick, Andreas; Rominger, Frank; Helmchen, Gunter

Ir-Catalysed Asymmetric Allylic Substitutions with Cyclometalated (Phosphoramidite)Ir Complexes-Resting States, Catalytically Active (π-Allyl)Ir Complexes and Computational Exploration Ir催化的不对称烯丙基取代与环金属化 (亚磷酰胺) Ir配合物-静止状态，催化活性 (π-烯丙基) Ir配合物和计算探索

CHEMISTRY-A EUROPEAN JOURNAL

IF3.7

2010-06-02

PREAI

Raskatov, Jevgenij A.; Spiess, Stephanie; Gnamm, Christian; Broedner, Kerstin; Rominger, Frank; Helmchen, Guenter