Chiral Ammonium Betaines as Ionic Nucleophilic Catalysts | Zendy

Uraguchi Daisuke | Zendy; Koshimoto Kyohei | Zendy; Miyake Shuhei | Zendy; Ooi Takashi | Zendy

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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 international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201002315

Subject(s) - betaine , catalysis , nucleophile , ionic liquid , chemistry , substrate (aquarium) , molecular sieve , ionic bonding , ammonium , combinatorial chemistry , medicinal chemistry , enantioselective synthesis , organic chemistry , ion , biology , ecology

Catalyst debut : The chiral ammonium betaine 1 has been successfully applied to the asymmetric Steglich rearrangement as an ionic nucleophilic catalyst. The catalyzed reaction results in record levels of product enantioselectivity, and has a broad substrate scope. M.S.=molecular sieves, Troc=2,2,2‐trichloroethoxycarbonyl.

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