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Patent Searching and Data


Title:
SYNTHESIS OF KETOSULFONE ESTERS
Document Type and Number:
WIPO Patent Application WO2002069909
Kind Code:
A3
Abstract:
This invention encompasses a process for making a compound of Formula A AThese compounds are intermediates useful in the preparation of certain non-steroidal anti-inflammatory agents.

Inventors:
CHEN CHENG YI (US)
TAN LUSHI (US)
CHEN WEIRONG (US)
TILLYER RICHARD (US)
DAGNEAU PHILIPPE (US)
O'SHEA PAUL (CA)
XU FENG (US)
Application Number:
PCT/US2002/000995
Publication Date:
February 27, 2003
Filing Date:
January 15, 2002
Export Citation:
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Assignee:
MERCK & CO INC (US)
CHEN CHENG YI (US)
TAN LUSHI (US)
CHEN WEIRONG (US)
TILLYER RICHARD (US)
DAGNEAU PHILIPPE (US)
O'SHEA PAUL (CA)
XU FENG (US)
International Classes:
C07B53/00; C07B61/00; C07C315/02; C07C317/24; C07C319/20; C07C323/22; (IPC1-7): C07C69/66; C07C69/34; C07C69/52; C07C315/00; C07C317/00
Foreign References:
US5883267A1999-03-16
Other References:
LEBLANC, Y. ET AL.: "SAR in the alkoxy lactone series: the discovery of DFP, a potent and orally active COX-2 inhibitor", BIOORGANIC & MEDICINAL CHEMISTRY LETT., vol. 9, 1999, pages 2207 - 2212, XP004174161
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