NOVEL CYCLIC CARBAMATE DERIVATIVES

摘要

4-[( alpha , alpha -Diaryl)-hydroxymethyl]-1-piperidinylalkyl-cyclic carbamate derivatives having the formula: wherein; R is hydrogen, loweralkyl, cycloalkyl, phenyl and substituted phenyl; Ar and Ar<1> are phenyl, substituted phenyl or pyridinyl; alk is a straight or branched hydrocarbon chain; R<1> is loweralkyl substituted for hydrogen on a ring carbon. The compounds are useful antihistamines and in controlling allergic response.