Title:
CHIRAL INTERMEDIATE AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/244555
Kind Code:
A1
Abstract:
Disclosed are a compound intermediate material for synthesizing a chiral drug and a preparation method for the compound intermediate material. The intermediate for synthesis disclosed in the present invention has a low production cost, stable physical and chemical properties, and a simple preparation operation, and is very easy for industrialized production.
Inventors:
YANG XIANGYU (CN)
DU FENGTIAN (CN)
ZHANG QIANG (CN)
DU FENGTIAN (CN)
ZHANG QIANG (CN)
Application Number:
PCT/CN2021/097789
Publication Date:
December 09, 2021
Filing Date:
June 01, 2021
Export Citation:
Assignee:
SHANGHAI ZHEYE BIOTECHNOLOGY CO LTD (CN)
International Classes:
A61K31/519; C07D471/04; A61P35/00; C07D401/04; C07D401/14; C07D471/02; C07D475/00
Domestic Patent References:
| WO2021097207A1 | 2021-05-20 | |||
| WO2021097212A1 | 2021-05-20 | |||
| WO2021081212A1 | 2021-04-29 | |||
| WO2020102730A1 | 2020-05-22 | |||
| WO2019213516A1 | 2019-11-07 | |||
| WO2020050890A2 | 2020-03-12 |
Foreign References:
| CN112159405A | 2021-01-01 | |||
| CN110997668A | 2020-04-10 | |||
| CN111051306A | 2020-04-21 |
Attorney, Agent or Firm:
SINO-CREATIVITY INTELLECTUAL PROPERTY LAW FIRM (CN)
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