Transition-Metal-Free Borylation of Aryltriazene Mediated by BF<sub>3</sub>·OEt<sub>2</sub>

2012-09-07T00:00:00Z (GMT) by Chuan Zhu Motoki Yamane
A practical and simple method for deaminoborylation of aryltriazene with bis(pinacolato)diboron has been developed that is mediated by BF<sub>3</sub>·OEt<sub>2</sub>. Various arylboronic esters are prepared in moderate to good yields with this facile transition-metal-free procedure.