Výsledky vyhledávání - "Jesper Ekstroem"

Asymmetric Addition of Terminal Acetylenes to Aldehydes, Catalyzed by Zn(OTf)2-Cinchona Alkaloid Complexes

Autor: Hans Adolfsson, Alexey B. Zaitsev, Jesper Ekstroem

Publikováno v: Synlett. 2006:885-888

Cinchona alkaloids in combination with zinc triflate catalyze the addition of acetylenes to aldehydes at room temperature with ee up to 89% for aliphatic aldehydes. Cinchonidine has proven to be the ligand of choice for the addition reaction whose ou

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7fa0642e22f41b0d171511455df14747
https://doi.org/10.1055/s-2006-939049

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ChemInform Abstract: One-Pot Highly Enantioselective Catalytic Mannich-Type Reactions Between Aldehydes and Stable α-Amido Sulfones: Asymmetric Synthesis of β-Amino Aldehydes and β-Amino Acids

Autor: Jan Vesely, Jesper Ekstroem, Pawel Dziedzic, Luca Deiana, Ramon Rios, Gui-Ling Zhao, Armando Córdova

Publikováno v: ChemInform. 41

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dffbff151a849027045ad937a80d2cb6
https://doi.org/10.1002/chin.201017193

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ChemInform Abstract: A Simple and Efficient Catalyst System for the Asymmetric Transfer Hydrogenation of Ketones

Autor: Hans Adolfsson, Katrin Ahlford, Jesper Ekstroem, Alexey B. Zaitsev

Publikováno v: ChemInform. 39

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::12012144d065ca3262f66ee54a9be8f6
https://doi.org/10.1002/chin.200808080

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