Title:
METHOD FOR PREPARING OXASPIROCYCLE DERIVATIVE, AND INTERMEDIATE THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/062804
Kind Code:
A1
Abstract:
The present invention relates to a method for preparing an oxaspirocycle derivative, and an intermediate thereof. The method reduces reaction steps, improves reaction yield, is simple and easy to operate, and is favorable for industrial large-scale production.
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Inventors:
LI WENHAI (CN)
QI WEIXING (CN)
QIU ZHENJUN (CN)
QI WEIXING (CN)
QIU ZHENJUN (CN)
Application Number:
PCT/CN2018/107901
Publication Date:
April 04, 2019
Filing Date:
September 27, 2018
Export Citation:
Assignee:
JIANGSU HENGRUI MEDICINE CO (CN)
International Classes:
C07D311/96
Domestic Patent References:
| WO2017063509A1 | 2017-04-20 | |||
| WO2017063509A1 | 2017-04-20 | |||
| WO2012129495A1 | 2012-09-27 |
Foreign References:
| CN201710896555A | 2017-09-28 |
Other References:
PHARMACOL. REV., vol. 59, 2007, pages 88 - 123
J. MED. CHEM., vol. 56, 2013, pages 8019 - 8031
See also references of EP 3689859A4
J. MED. CHEM., vol. 56, 2013, pages 8019 - 8031
See also references of EP 3689859A4
Attorney, Agent or Firm:
SHANGHAI BESHINING LAW OFFICE (CN)
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