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Title:
CYCLIC ERYTHRITOL PHOSPHORIC ACID DERIVATIVE AND ASYMMETRIC SYNTHESIS METHOD USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2006/092884
Kind Code:
A1
Abstract:
This invention provides a novel cyclic phosphoric acid compound and an asymmetric synthesis method using the cyclic phosphoric acid compound as a catalyst. This invention is based on finding that a novel cyclic phosphoric acid compound represented by formula (1) can be prepared from tartaric acid and that the cyclic phosphoric acid compound can be used as a catalyst for asymmetric synthesis. (1) wherein R1 and R2 each independently represent a hydrogen atom, an optionally branched alkyl group having 1 to 6 carbon atoms or an aryl group; and R3, R4, R5, and R6 each independently represent an optionally substituted aryl group.

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Inventors:
Akiyama, Takahiko (5-24-19, Minami-Oizumi Nerima-ku, Tokyo 64, 17800, JP)
Application Number:
PCT/JP2005/019773
Publication Date:
September 08, 2006
Filing Date:
October 27, 2005
Export Citation:
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Assignee:
TOAGOSEI CO., LTD. (1-14-1, Nishi-Shimbashi Minato-Ku, Tokyo 19, 10584, JP)
Akiyama, Takahiko (5-24-19, Minami-Oizumi Nerima-ku, Tokyo 64, 17800, JP)
International Classes:
C07F9/6574; B01J31/02; C07B53/00; C07C227/12; C07C229/34
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