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Chiral Ammonium Betaines as Ionic Nucleophilic Catalysts
Author(s) -
Uraguchi Daisuke,
Koshimoto Kyohei,
Miyake Shuhei,
Ooi Takashi
Publication year - 2010
Publication title -
angewandte chemie
Language(s) - German
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201002315
Subject(s) - chemistry , catalysis , nucleophile , ionic liquid , substrate (aquarium) , enantioselective synthesis , medicinal chemistry , stereochemistry , organic chemistry , oceanography , geology
Ungeahnte Qualitäten : Das chirale Ammoniumbetain 1 war als ionischer nucleophiler Katalysator in der asymmetrischen Steglich‐Umlagerung erfolgreich. Die Umsetzung ergab rekordverdächtige Enantioselektivitäten und war auf vielfältige Substrate anwendbar. M.S. = Molekularsieb, Troc = 2,2,2‐Trichlorethoxycarbonyl.

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