EP 1311485 A4 20040512 - PROCESSES FOR PREPARING CILOSTAZOL
Title (en)
PROCESSES FOR PREPARING CILOSTAZOL
Title (de)
VERFAHREN ZUR HERSTELLUNG VON CILOSTAZOL
Title (fr)
PROCEDES DE PREPARATION DU CILOSTAZOL
Publication
Application
Priority
- US 0125398 W 20010814
- US 22536200 P 20000814
Abstract (en)
[origin: WO0214283A1] The present invention provides processes for preparing cilostazol and processes for purifying cilostazol by recystallization.
IPC 1-7
IPC 8 full level
A61K 31/4709 (2006.01); A61P 7/02 (2006.01); A61P 9/10 (2006.01); C07B 61/00 (2006.01); C07D 215/227 (2006.01); C07D 257/04 (2006.01); C07D 401/12 (2006.01)
IPC 8 main group level
C07D (2006.01)
CPC (source: EP KR)
A61P 7/02 (2018.01 - EP); A61P 9/10 (2018.01 - EP); C07D 401/12 (2013.01 - EP KR)
Citation (search report)
- [A] FREEDMAN H H ET AL: "AN IMPROVED WILLIAMSON ETHER SYNTHESIS USING PHASE TRANSFER CATALYSIS", TETRAHEDRON LETTERS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, no. 38, 1975, pages 3251 - 3254, XP002056609, ISSN: 0040-4039
- [X] DUENO E E ET AL: "Cesium Promoted O-Alkylation of Alcohols for the Efficient Ether Synthesis", TETRAHEDRON LETTERS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 40, no. 10, 5 March 1999 (1999-03-05), pages 1843 - 1846, XP004155978, ISSN: 0040-4039
- [A] PATENT ABSTRACTS OF JAPAN vol. 014, no. 024 (C - 677) 18 January 1990 (1990-01-18)
- [X] SHIMIZU T ET AL: "PHYSICO-CHEMICAL PROPERTIES AND STABILITY OF CILOSTAZOL", ARZNEIMITTEL FORSCHUNG. DRUG RESEARCH, EDITIO CANTOR. AULENDORF, DE, vol. 35, no. 7A, 1985, pages 1117 - 1123, XP000938507, ISSN: 0004-4172
- See also references of WO 0214283A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
WO 0214283 A1 20020221; AU 8488701 A 20020225; CA 2419181 A1 20020221; CN 1469864 A 20040121; CZ 2003667 A3 20030813; EP 1311485 A1 20030521; EP 1311485 A4 20040512; HK 1053116 A1 20031010; HU P0302688 A2 20031229; IL 154458 A0 20030917; IS 6716 A 20030213; JP 2004506043 A 20040226; JP 2005350474 A 20051222; JP 3845059 B2 20061115; KR 20030024865 A 20030326; MX PA03001470 A 20050630; NO 20030699 D0 20030213; NO 20030699 L 20030410; NZ 524363 A 20040326; PL 365672 A1 20050110; SK 2992003 A3 20031007
DOCDB simple family (application)
US 0125398 W 20010814; AU 8488701 A 20010814; CA 2419181 A 20010814; CN 01817208 A 20010814; CZ 2003667 A 20010814; EP 01963979 A 20010814; HK 03105399 A 20030725; HU P0302688 A 20010814; IL 15445801 A 20010814; IS 6716 A 20030213; JP 2002519426 A 20010814; JP 2005181031 A 20050621; KR 20037002140 A 20030214; MX PA03001470 A 20010814; NO 20030699 A 20030213; NZ 52436301 A 20010814; PL 36567201 A 20010814; SK 2992003 A 20010814