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LT - STEREOSPECIFIC SYNTHESIS PROCESS FOR TRETINOIN COMPOUNDS
EN - STEREOSPECIFIC SYNTHESIS PROCESS FOR TRETINOIN COMPOUNDS

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Bibliographic data
Indications of the International Patent Classification (IPC)
(51) INT.CL. C07C 403/20
C07C 51/353
C07C 59/64
European patent
(11) Number of the document 2708530
(13) Kind of document T
(96) European patent application number 12786430.4
Date of filing the European patent application 2012-05-07
(97) Date of publication of the European application 2014-03-19
(45) Date of publication and mention of the grant of the patent 2016-08-10
(46) Date of publication of the claims translation
PCT application
(86) Number PCT/CN2012/075130
Date 2012-05-07
PCT application publication
(87) Number WO 2012/155796
Date 2012-11-22
Priority applications
(30) Number Date Country code
201110124227 2011-05-13 CN
Inventors
(72)
DENG, Qingjun, CN
WANG, Shaohui, CN
ZHU, Qiang, CN
GAO, Taiping, CN
LI, Yongsheng, CN
Grantee
(73) Chongqing Huabangshengkai Pharm. Co., Ltd, No. 666 Rongjun Road Nanjin Street Sub-district Hechuan District, Chongqing 401520, CN
Title
(54) STEREOSPECIFIC SYNTHESIS PROCESS FOR TRETINOIN COMPOUNDS
  STEREOSPECIFIC SYNTHESIS PROCESS FOR TRETINOIN COMPOUNDS