C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 493/14 (2006.01) C07B 53/00 (2006.01)
Patent
CA 2561401
It is intended to provide a process for efficiently producing a flavone C glycoside derivative represented by the formula (1) which is an antiallergic substance or its salt, or a flavone C glycoside derivative represented by the formula (4) or its salt. According to this process, the flavone C glycoside derivative represented by the formula (1) or its salt and the flavone C glycoside derivative represented by the formula (4) can be easily and efficiently synthesized by using isovitexine and vitexine contained in herbs and so on as the starting materials.
L'intention est de fournir un procédé servant à produire de façon efficace un dérivé de glycoside de flavone C représenté par la formule (1) lequel est une substance antiallergique ou son sel, ou un dérivé de glycoside de flavone C représenté par la formule (4) ou son sel. Selon ce procédé, on peut facilement et efficacement synthétiser le dérivé de glycoside de flavone C représenté par la formule (1) ou son sel et le dérivé de glycoside de flavone C représenté par la formule (4) ou son sel en utilisant de l'isovitexine et de la vitexine contenues dans des herbes et ainsi de suite comme matières de départ.
Nukaya Haruo
Tsuji Kuniro
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Suntory Holdings Limited
Suntory Limited
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