Výsledky vyhledávání - "Konrad Gebauer"

A Two-Component Alkyne Metathesis Catalyst System with an Improved Substrate Scope and Functional Group Tolerance: Development and Applications to Natural Product Synthesis

Autor: Laura Hoffmeister, Cornelia Wirtz, Konrad Gebauer, Marina K. Ilg, Felix Ungeheuer, Sebastian Schaubach, Alois Fürstner

Publikováno v: Chemistry - A European Journal. 22:8494-8507

Although molybdenum alkylidyne complexes such as 1 endowed with triarylsilanolate ligands are excellent catalysts for alkyne metathesis, they can encounter limitations when (multiple) protic sites are present in a given substrate and/or when forcing

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f5f668d2c179a6896305547ee9243c4
https://doi.org/10.1002/chem.201601163

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Relay Catalysis: Manganese(III) Phosphate Catalyzed Asymmetric Addition of β-Dicarbonyls to ortho-Quinone Methides Generated by Catalytic Aerobic Oxidation

Autor: Christoph Schneider, Konrad Gebauer, Franziska Reuß, Matthias Spanka

Publikováno v: Organic letters. 19(17)

The combination of an in situ formed MnL3 complex (HL = Hacac or R(C═O)CH2CO2R) and a chiral phosphoric acid HX* allows for a fully catalytic, asymmetric synthesis of 4H-chromenes starting from 2-alkyl-substituted phenols. The aerobic oxidation tow

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4e1ddcd471c04a71e106bc91473c14c
https://pubmed.ncbi.nlm.nih.gov/28809505

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Total Synthesis of the Biphenyl Alkaloid (−)‐Lythranidine

Autor: Konrad Gebauer, Alois Fürstner

Publikováno v: Angewandte Chemie International Edition. 53:6393-6396

A sequence comprising a ring-closing alkyne metathesis of a propargyl alcohol derivative, followed by a ruthenium-catalyzed redox isomerization of the derived cycloalkyne and a transannular aza-Michael addition allowed the formation of the distinguis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0dcb4403d53ea1d624e00c76739ae855
https://doi.org/10.1002/anie.201402550

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ChemInform Abstract: The First Organocatalytic Cope Rearrangement

Autor: Christoph Schneider, Konrad Gebauer

Publikováno v: ChemInform. 47

Exploiting the concept of iminium ion catalysis led to the discovery of the first organocatalytic Cope rearrangement of 1,5-hexadiene-2-carboxaldehydes. A diazepane catalyst exhibited optimal catalytic efficiency and offers possibilities for chiral m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e2d67148985c584246a9543f947b0fad
https://doi.org/10.1002/chin.201651251

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The First Organocatalytic Cope Rearrangement

Autor: Christoph Schneider, Konrad Gebauer

Publikováno v: Angewandte Chemie (International ed. in English). 55(46)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::66521a05cc168c1c932b69c88df2fad3
https://pubmed.ncbi.nlm.nih.gov/27717104

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