Palladium(<scp>ii</scp>)-catalyzed aerobic oxidative O–H/C–H isocyanide insertion: facile access to pyrrolo[2,1-<i>c</i>][1,4]benzoxazine derivatives
作者:Liangliang Luo、Xiao-Pan Chen、Zhao-Feng Li、Yuan Zhou、You-Cai Xiao、Fen-Er Chen
DOI:10.1039/d1ob00393c
日期:——
Palladium-catalyzed aerobic oxidative cyclizations of substituted 2-(1H-pyrrol-1-yl)phenols with isocyanides via an O–H/C–H insertion cascade have been developed. This strategy provides facile access to pyrrolo[2,1-c][1,4]benzoxazine derivatives in good to excellent yields under an O2 atmosphere. The notable features of this protocol include its mild reaction conditions, atom-economy, and broad functional
钯催化的取代 2-(1 H -pyrrol-1-yl) 苯酚与异氰化物通过O-H/C-H 插入级联反应进行了有氧氧化环化。该策略提供了在 O 2气氛下以良好至优异产率轻松获得吡咯并[2,1- c ][1,4]苯并恶嗪衍生物的途径。该协议的显着特点包括其温和的反应条件、原子经济性和广泛的官能团耐受性。