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LT - METHOD OF PREPARING HIGH CHIRAL PURITY LACTAM INTERMEDIATE AND BRIVARACETAM

EN - METHOD OF PREPARING HIGH CHIRAL PURITY LACTAM INTERMEDIATE AND BRIVARACETAM

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Bibliographic data

Indications of the International Patent Classification (IPC)
(51)	INT.CL.	C07D 207/27	(2006.01)
		C07D 207/27	(2013.01)

European patent
(11)	Number of the document	3778568
(13)	Kind of document	T
(96)	European patent application number	18906460.3
	Date of filing the European patent application	2018-12-17
(97)	Date of publication of the European application	2021-02-17
(45)	Date of publication and mention of the grant of the patent	2023-12-06
(46)	Date of publication of the claims translation

PCT application
(86)	Number	PCT/CN2018/121624
	Date	2018-12-17

PCT application publication
(87)	Number	WO 2019/157856
	Date	2019-08-22

Priority applications
(30)	Number	Date	Country code
	201810148128	2018-02-13	CN
	201811465520	2018-12-03	CN

Inventors
(72)	YU, Zhenpeng , CN XIAO, Fei , CN WANG, Guoping , CN QI, Shuxian , CN GAO, He , CN

Grantee
(73)	Yangzhou Aoruite Pharmaceutical Co., Ltd. , No.5 Wanmei Road, Hanjiang District, Yangzhou, Jiangsu 225000, CN Yangzhou Lianao Biomedical Co., Ltd. , Economic Development Zone, Hanjiang District, Yangzhou, Jiangsu 225000, CN

Title
(54)	METHOD OF PREPARING HIGH CHIRAL PURITY LACTAM INTERMEDIATE AND BRIVARACETAM
	METHOD OF PREPARING HIGH CHIRAL PURITY LACTAM INTERMEDIATE AND BRIVARACETAM