Title:
PROCESSES FOR PREPARING CILOSTAZOL
Kind Code:
A1

Abstract:
Abstract not available for EP1311485
Abstract of corresponding document: WO0214283
The present invention provides processes for preparing cilostazol and processes for purifying cilostazol by recystallization.

Inventors:
Mendelovichi, Marioara (IL)
Finkelstein, Nina (IL)
Pilarksi, Gideon (IL)
Application Number:
EP20010963979
Publication Date:
05/21/2003
Filing Date:
08/14/2001
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Assignee:
TEVA PHARMA (IL)
International Classes:
A61K31/4709; A61K31/4709; A61P7/00; A61P7/02; A61P9/00; A61P9/10; C07B61/00; C07B61/00; C07D401/00; C07D401/12; (IPC1-7): C07D401/12
European Classes:
C07D401/12+257+215
Other References:
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
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
PATENT ABSTRACTS OF JAPAN vol. 014, no. 024 (C-677), 18 January 1990 (1990-01-18) & JP 01 265051 A (FUJI PHOTO FILM CO LTD), 23 October 1989 (1989-10-23)
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




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