2-phenylpyrano¬2,3-b|pyridine compounds and process for...

Details 2-phenylpyrano¬2,3-b|pyridine compounds and process for... 2-phenylpyrano¬2,3-b|pyridine compounds and process for...

C - Chemistry, Metallurgy

07

D

167/231, 260/276

C07D 491/052 (2006.01) A61K 31/44 (2006.01) C07D 491/04 (2006.01)

Patent

CA 1294282

ABSTRACT A compound of the formula (I): Image (I) wherein R, R' and R" are each hydrogen or lower alkyl of 1 to 4 carbon atoms; X is hydrogen, chloro, bromo, alkyl- thio, alkylsulfinyl, alkylsulfonyl, hydroxy, alkoxy, ben- zoyl, acetyl or alkyl; Y is hydrogen, halo, di- or tri- chloro, alkyl, alkoxy, methylenedioxy, or phenoxy; the dotted line indicates the optional presence of a double bond at the 2,3- or 3,4-positions; with the proviso that when the dotted line represents a double bond at the 2,3- position then the R group is not present, and with the further proviso that when the dotted line indicates the presence of a double bond, then X and Y can not both be hydrogen, is useful as an antiviral agent in man.

492979

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