An optically active compound of formula (la'):
wherein
R10 is a substituted or unsubstituted alkyl or aryl group,
R11 is a substituted or unsubstituted alkoxycarbonyl group,
R12 is a hydrogen atom,
R13 is a C1-C4 alkyl group,
n11, n12 and n13 are each independently 0 or 1,
the carbon atom marked with * is an asymmetric carbon atom,
provided that R10 is not a trifluoromethyl group, a nonafluorobutyl group or a pentafluorophenyl group; and a process for preparing the same.
式(la')的光学活性化合物:
其中
R10 是取代或未取代的烷基或芳基、
R11 是取代或未取代的烷氧羰基
R12 是氢原子
R13 是 C1-C4 烷基、
n11、n12 和 n13 各自独立地为 0 或 1、
标有 * 的碳原子是不对称碳原子、
条件是 R10 不是三
氟甲基、无
氟丁基或
五氟苯基;以及制备该物质的工艺。