Literature DB >> 20024358

Flexible synthesis, structural determination, and synthetic application of a new C1-symmetric chiral ammonium betaine.

Daisuke Uraguchi1, Kyohei Koshimoto, Takashi Ooi.   

Abstract

A C(1)-symmetric chiral ammonium betaine has been developed, and its intramolecular ion-pairing structure in solid state and its catalytic performance to achieve the highly stereoselective Mannich-type reaction of 2-alkoxythiazol-5(4H)-ones are revealed.

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Year:  2009        PMID： 20024358     DOI： 10.1039/b916627k

Source DB:  PubMed          Journal:  Chem Commun (Camb)        ISSN： 1359-7345            Impact factor:   6.222


  2 in total

1.  Gold(I)-catalyzed diastereo- and enantioselective 1,3-dipolar cycloaddition and Mannich reactions of azlactones.

Authors:  Asa D Melhado; Giovanni W Amarante; Z Jane Wang; Marco Luparia; F Dean Toste
Journal:  J Am Chem Soc       Date:  2011-02-22       Impact factor: 15.419

2.  Cinchonium Betaines as Efficient Catalysts for Asymmetric Proton Transfer Catalysis: The Development of a Practical Enantioselective Isomerization of Trifluoromethyl Imines.

Authors:  Xiao Zhou; Yongwei Wu; Li Deng
Journal:  J Am Chem Soc       Date:  2016-09-09       Impact factor: 15.419
  2 in total

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