Development of Organocatalysis Based on the Molecular Design of Pyrrolidine-Brensted Acid Catalysts

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  • Saito Susumu
    Institute for Advanced Research & Department of Chemistry, Graduate School of Science, Nagoya University
  • Momiyama None
    Department of Chemistry, Graduate School of Science,Tohoku University
  • Yamamoto Hisashi
    Department of Chemistry, The University of Chicago, USA

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  • ピロリジン‐ブレンステッド酸の分子設計に基づく有機分子触媒反応の開発
  • ピロリジン ブレンステッドサン ノ ブンシ セッケイ ニ モトズク ユウキ ブンシ ショクバイ ハンノウ ノ カイハツ

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Abstract

Proper design of amine-Bronsted acid catalysis has been shown to be effective for achieving high reactivity and selectivity in the asymmetric direct aldol reaction. During the course of this study, two principal approaches have been implemented to create a new type of catalysis: One is derived from Bronsted acid and diamine; the other is pyrrolidine with tetrazole functionality. The developed amine-Br?Onsted acid catalysts have been found to effectively catalyze the direct aldol reaction of aldehyde, chloral and nitrosobenzene.

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