A compound of the formula (V): ##STR1## wherein Ar' is a halogenated phenyl group, R is a hydrocarbon residue having a functional group at the .alpha.-carbon, R.sup.3' is an optionally substituted aliphatic or aromatic hydrocarbon residue or an optionally substituted aromatic heterocyclic group, Y and Z are, the same or different, a nitrogen atom or a methine group optionally substituted with a lower alkyl group, and (R) and (S) represent configurations, which is an optically active intermediate for production of optically active triazole compounds (I): ##STR2## wherein the symbols have the same meanings as defined above, and methods of preparing the compounds (V) and (I).
化合物公式(V):##STR1##
其中Ar'为卤代苯基,R为在α-碳上具有官能团的碳氢残基,R.sup.3'为可选择取代的脂肪或芳香族碳氢残基或可选择取代的芳香族杂环基,Y和Z是相同或不同的氮原子或可选择取代的低碳基取代的
甲烷基,(R)和(S)代表构型,该化合物是光学活性中间体,用于生产光学活性的三唑类化合物(I):##STR2##
其中符号具有上述定义的相同含义,以及制备化合物(V)和(I)的方法。