A compound of formula (1) is useful as a pharmaceutical and as an intermediate in making paliperidone.
wherein Y is an acid-sensitive group of the formula:
in which X represents an oxygen atom, a sulfur atom, or an —NH— group; Z represents a C2-C7 alkylene bridge; and R represents hydrogen or a C1-C4 alkyl group.
式(1)的化合物可用作药物,并用作制备
帕利哌酮的中间体。其中Y是具有以下结构的酸敏感基团:其中X代表氧原子、
硫原子或—NH—基团;Z代表C2-C7烷基桥;R代表氢或C1-C4烷基基团。