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Bibliographic data

Indications of the International Patent Classification (IPC)
(51)	INT.CL.	C07D 203/06
		C07C 211/27
		C07D 487/04

European patent
(11)	Number of the document	2647624
(13)	Kind of document	T
(96)	European patent application number	11845961.9
	Date of filing the European patent application	2011-12-01
(97)	Date of publication of the European application	2013-10-09
(45)	Date of publication and mention of the grant of the patent	2016-10-12
(46)	Date of publication of the claims translation

PCT application
(86)	Number	PCT/CN2011/083315
	Date	2011-12-01

PCT application publication
(87)	Number	WO 2012/072036
	Date	2012-06-07

Priority applications
(30)	Number	Date	Country code
	201010579056	2010-12-03	CN

Inventors
(72)	PAN, Xianhua, CN LI, Weijin, CN ZHANG, Qunhui, CN RUAN, Libo, CN YU, Wansheng, CN DENG, Fei, CN MA, Tianhua, CN HUANG, Mingwang, CN HE, Minhuan, CN

Grantee
(73)	Zhejiang Hisoar Pharmaceutical Co., Ltd, No. 100 Waisha Branch Rd. Jiaojiang Taizhou, Zhejiang 318000, CN

Title
(54)	INTERMEDIATES OF SITAGLIPTIN AND PREPARATION PROCESS THEREOF
	INTERMEDIATES OF SITAGLIPTIN AND PREPARATION PROCESS THEREOF