Pyrrolidones and process for their manufacture

Details Pyrrolidones and process for their manufacture Pyrrolidones and process for their manufacture

C - Chemistry, Metallurgy

07

D

260/324

C07D 207/26 (2006.01)

Patent

CA 1072108

Abstract of tho Disclosure: This invention is directed to pyrrolidones prepared by a multistep process and useful as spasmogcnic and spasmoly- tic agents, for example with a bronchidilatatory and antihyper- tensive activity, and which are able to inhibit the secretion of gastric juice and have abortive effects. The compounds of the invention have the formula I Image wherein Rl represents a straight-chained or branched alkyl group of 1 to 7 carbon atoms, which may be substituted by alkoxy of 1 to 3 carbon atoms; R2 represents lower alkyl; R3 represents lower alkyl, lower alkenyl, lower alkinyl or an araliphatic hydrocarbon radical having 7 or 8 carbon atoms; and n represents the integers two, three or four.

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