“环丁烷”造句
在1,2--二亚甲基
环丁烷中并不发生这种现象.
This phenomenon does not occur with 1 - 2 - dimethylenecyclobutane.
环丁烷主要成 “ 蝶式 ” 构象存在.
Cyclobutane exists predominantly in a " butterfly " conformation.
方法以1, 2- 二氰基
环丁烷为原料,经还原 、 缩合、环合三步反应得到洛铂.
Methods: The compound was synthesize by steps of reduction, condensation and cyclic condensation from 1, 2 - dicyanocyclobutane.