(-1-benzhydryl-4-piperazinyl)-alkoxy-alkyl esters of - n-substd anthranilic acid derivs- spasmolytic antiinflammatory, analg

摘要

Title cpds. of formula: (where A= = CH-CH=CH-, =N-CH=CH-, =CH-CH=N-, =N-CH=N-, =CH-S-, B=2-4C divalent hydrocarbon gp. R1=H, halo, alkyl joined to a C atom R2=H, alkyl, alkoxy, alkythio joined to a C atom R3= one or more H, alkyl, CF3, halo, nitro, alkoxy, alkylthio, alkoxymethyl, alkylthiomethyl, acyloxymethyl Y, Z form a benzene, pyridine, pyrimidine or cyclohexane ring) are prepd. by reaction of a (1-benzhydryl-4-piperazinyl)-alkoxyalkanol with anthranilic acid chloride deriv. in an inert solvent in the presence of a base.