Novel pyrazolo [1,5-a]pyridines

Details Novel pyrazolo [1,5-a]pyridines Novel pyrazolo [1,5-a]pyridines

1975-10-17

1977-06-07

Randolph, John D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

42424854, 424250, 424256, 2602475EP, 260268BC, 2602948C, 2602949, 42424857, C07D48700

Patent

active

040283704

ABSTRACT:
The present invention provides substituted pyrazolo[1,5-a]pyridine derivatives expressed by a compound of the general formula (I), ##STR1## (wherein: X is hydrogen atom or methyl group; R is hydrogen atom, straight or branched lower alkyl group, lower alkoxy group, lower alkylthio group, dialkylamino group, alkyleneimino group, and morpholino group; R.sub.1 is different from R and is hydrogen atom, straight or branched lower alkyl group, lower alkoxy alkyl group, and dialkylamino group).
The compound of the present invention can be prepared by reacting a compound of the general formula (II), ##STR2## in which X and R are as shown hereinbefore, with a compound of the general formula (III), in which R.sub.1 is as shown hereinbefore,

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