A compound of the formula (Va')
wherein
Ar' is a halogenated phenyl group, R is a hydrocarbon residue having, at the α-carbon, a functional group selected from a silyl group, a double bond and an optionally activated hydroxyl group,
R3' is an optionally substituted aliphatic or aromatic hydrocarbon residue or an optionally substituted aromatic heterocyclic group, and (R) and (S) represent configurations, which is an optically active intermediate for production of optically active triazole compounds (I'):
wherein
the symbols have the same meanings as defined above, and methods of preparing the compounds (Va') and (I').
式(Va')化合物
其中
Ar' 是卤代
苯基,R 是在α-
碳上具有选自
硅烷基、双键和任选活化羟基的官能团的烃残基、
R3'是任选取代的
脂肪族或芳香族烃残基或任选取代的芳香族杂环基团,(R)和(S)代表构型,是生产光学活性三唑化合物(I')的光学活性
中间体:
其中
符号的含义与上述定义相同,以及化合物(Va')和(I')的制备方法。