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Title:
PREPARATION METHOD FOR FUSED TRICYCLIC γ-AMINO ACID DERIVATIVE AND INTERMEDIATE THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/029762
Kind Code:
A1
Abstract:
A preparation method for a fused tricyclic γ-amino acid derivative and an intermediate thereof, and a method for preparing an intermediate of the fused tricyclic γ-amino acid derivative. The fused tricyclic γ-amino acid derivative has a structure as represented by formula (I). The preparation method uses readily available raw materials and comprises simple steps; the entire synthesis process uses crystallization purification, while silica gel column chromatography or other preparatory chromatography methods are not used, being suitable for large-scale industrial production.

Inventors:
FAN JIANG (CN)
CHEN QINGPING (CN)
WANG CHENGTAO (CN)
FENG JIANCHUAN (CN)
Application Number:
CN2019/096522
Publication Date:
February 13, 2020
Filing Date:
July 18, 2019
Export Citation:
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Assignee:
SICHUAN HAISCO PHARMACEUTICAL CO LTD (CN)
International Classes:
C07C229/28; C07C53/10; C07C53/136; C07C61/125; C07C205/00; C07C211/19; C07C211/38; C07C227/12; C07C227/32
Domestic Patent References:
WO2018050046A12018-03-22
Foreign References:
CN101878193A2010-11-03
CN1720219A2006-01-11
Other References:
MIYAZAKI, YOSUKE ET AL.: "Regioselective Hydrocarbamoylation of 1-Alkenes", CHEM. LETT., vol. 41, no. 3, 25 February 2012 (2012-02-25), pages 298 - 300, XP055683555
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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