Thiopyranodipyrazoles

Details Thiopyranodipyrazoles Thiopyranodipyrazoles

C - Chemistry, Metallurgy

07

D

167/238, 260/298

C07D 495/14 (2006.01) A61K 31/415 (2006.01)

Patent

CA 1324606

ABSTRACT OF THE DISCLOSURE The present invention is directed to a group of com- pounds which are variously methylated thiopyranodipyrazoles and to the S-oxides and S-dioxides of such compounds. The compounds are useful as bronchodilators and are prepared by the reaction of appropriately 5-substituted thiopyrano[3,4- c]pyrazol-4(1H)-one with a hydrazine.

557075

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