| abstract |
The present invention relates to the preparation method and application of 2,9-diaryl-substituted o-phenanthroline and its cobalt complex. Specifically, 2,9-dichloro-o-phenanthroline and arylboronic acid are used for Suzuki coupling reaction to prepare substituted o-phenanthroline, and it is subjected to complex reaction with cobalt salt to prepare o-phenanthroline cobalt complex compound. In the presence of additives, the o-phenanthroline cobalt complex can catalyze the hydrosilation reaction of alkynes and silanes to obtain alkenyl silicon compounds with various uses, showing high activity and selectivity, especially for alkyl substitution The hydrosilylation of terminal alkynes, giving selectivity over other known cobalt catalysts for Martensitic addition, has good application prospects. |