Benzopyran derivatives

Details Benzopyran derivatives Benzopyran derivatives

C - Chemistry, Metallurgy

07

D

C07D 311/70 (2006.01) A61K 31/35 (2006.01) A61K 31/395 (2006.01) A61K 31/695 (2006.01) C07D 311/58 (2006.01) C07D 311/62 (2006.01) C07D 311/96 (2006.01) C07D 405/06 (2006.01) C07D 405/12 (2006.01) C07D 413/06 (2006.01) C07D 417/06 (2006.01) C07D 417/12 (2006.01) C07D 498/04 (2006.01) C07D 521/00 (2006.01) C07F 7/10 (2006.01)

Patent

CA 2087859

Benzopyran derivatives represented by formula (I): (see formula I) wherein X represents =O, =S, =N-Z (Z represents a lower alkyl group, etc.), or =CHNO2; Y represents a substituted amino group, an alkoxy group, an alkylthio group, etc., and R1, R2, R3, R4, R5, R6, and R7 each represent a hydrogen atom, a lower alkyl group, etc., are disclosed. The benzopyran derivatives exhibit K+ channel activating activities and are widely applicable as antiasthmatics, antiepileptics, and the like.

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