Process for making 2-oxindole-1-carboxamides and...

C - Chemistry – Metallurgy – 07 – D

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260/207.7

C07D 209/34 (2006.01) C07D 209/38 (2006.01) C07D 407/06 (2006.01) C07D 409/06 (2006.01) C07D 491/04 (2006.01) C07D 495/04 (2006.01)

Patent

CA 1250832

PROCESS FOR MAKING 2-OXINDOLE-1-CARBOXAMIDES AND INTERMEDIATES THEREFOR Abstract Preparation of 2-oxindole-1-carboxamides by reaction of 2-oxindoles with chlorosulfonyl isocyanate to produce novel N-chlorosulfonyl-2-oxindole-1- carboxamides which are then hydrolyzed to 2-oxindole- 1-carboxamides useful as intermediates for analgesic and antiinflammatory agents.

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