Intramolecular Oxycyanation of Alkenes by Cooperative Pd/BPh<sub>3</sub> Catalysis
作者:Dennis C. Koester、Masato Kobayashi、Daniel B. Werz、Yoshiaki Nakao
DOI:10.1021/ja301375c
日期:2012.4.18
intramolecular oxycyanation of alkenes through the cleavage of O-CN bonds and the subsequent insertion of double bonds. The use of 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene (Xantphos) as a ligand for palladium is essential for allowing the transformation to proceed with high chemo- and regioselectivity. Variously substituted dihydrobenzofurans with both a tetra-substituted carbon and cyano functionality