1-Oxo-1H-2-benzothiopyran-3-carboxylic acid derivatives

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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424275, C07D33506

Patent

active

039608921

ABSTRACT:
The method comprises administering to an animal a novel pharmaceutical composition containing a substituted-1-oxo-1H-2-benzothiopyran-3-carboxylic acid to inhibit antigen-antibody reaction in said animal. Representative of the compounds that can be used in the method are:

REFERENCES:
patent: 3008970 (1961-11-01), Stelt
Conant, Chem. of Org. Cpds., (1934), p. 269.
Lowy, Int. Org. Chem., (1945), pp. 213-215.

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