C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/325.3
C07D 207/14 (2006.01)
Patent
CA 1109883
DERIVATIVES OF OXANILIC ACID ABSTRACT OF THE DISCLOSURE Oxanilic acid derivatives having the formula: Image are disclosed wherein R is lower-alkyl, cycloalkyl, phenyl- alkyl or phenyl; R1 is hydrogen, lower-alkyl or phenyl; R2 is hydrogen, lower-alkyl, or lower-alkoxy; R3 is hydrogen, fluoro, chloro or bromo; X is oxygen or sulfur; and M is hydrogen, lower-alkyl or a physiologically acceptable cation. The compounds are useful for ameliorating and controlling symptoms associated with asthma. - 1 -
309509
Cale Albert D. Jr.
Welstead William J. Jr.
Robins (a.h.) Company Incorporated
Smart & Biggar
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