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LT - BIS-QUARTERNARY CINCHONA ALKALOID SALTS AS ASYMMETRIC PHASE TRANSFER CATALYSTS
EN - BIS-QUARTERNARY CINCHONA ALKALOID SALTS AS ASYMMETRIC PHASE TRANSFER CATALYSTS

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Bibliographic data
Indications of the International Patent Classification (IPC)
(51) INT.CL. C07D 453/04
B01J 31/02
European patent
(11) Number of the document 2825536
(13) Kind of document T
(96) European patent application number 13761100.0
Date of filing the European patent application 2013-03-13
(97) Date of publication of the European application 2015-01-21
(45) Date of publication and mention of the grant of the patent 2020-06-17
(46) Date of publication of the claims translation
PCT application
(86) Number PCT/US2013/030688
Date 2013-03-13
PCT application publication
(87) Number WO 2013/138413
Date 2013-09-19
Priority applications
(30) Number Date Country code
201261610746 P 2012-03-14 US
Inventors
(72)
XIANG, Bangping, US
YASUDA, Nobuyoshi, US
Grantee
(73) Merck Sharp & Dohme Corp., 126 East Lincoln Avenue, Rahway, NJ 07065-0907, US
Title
(54) BIS-QUARTERNARY CINCHONA ALKALOID SALTS AS ASYMMETRIC PHASE TRANSFER CATALYSTS
  BIS-QUARTERNARY CINCHONA ALKALOID SALTS AS ASYMMETRIC PHASE TRANSFER CATALYSTS