The invention discloses a cyclic n-heterocyclic double-carbene metal complex which is connected through alkyl chain, a preparation method and the application.
本发明公开了通过烷基链连接的环状氮杂环双卡宾金属配合物及其制备方法与应 用。
2
By two alkyl halide with alkali metal or alkaline earth metal polysulfides from condensation.
由二卤代烷与碱金属或碱土金属的多硫化物缩聚而成。
3
The invention relates to a method for preparing alkyl phosphonic acid, which comprises the following steps: (1) an alkali metal reacts with phosphite ester to obtain phosphite ester;