“烷基的”造句
本文根据实验事实,阐述了
烷基的负诱导效应.
In this paper, negative induction effect of alkyl is discussed base on the experiment facts.
季铵盐中
烷基的转移具有较好的选择性,其优先顺序为:苄基>伯烷基>仲烷基.
Excellent selectivity in alkyl transfer was noted in the sequence of PhCH 2 > primary alkyl > secondary alkyl.