这个分子包含四个呈环状排列的碳原子，每两个碳原子之间形成一个三价键。
The molecule contains four carbon atoms arranged in a ring with a triple bond between two of them.
每个碳原子的价键为四。
本文主要介绍有机硼试剂，包括烷基硼烷，烯基硼烷及一些四价硼酸盐类，在碳碳键形成中的应用。
The review deals mainly with the application of organoboron reagents including aikylboranes, vinylborancs and some organoborates in carbon-carbon bond formation.
应用推荐