One stone two birds: cobalt-catalyzed <i>in situ</i> generation of isocyanates and benzyl alcohols for the synthesis of <i>N</i>-aryl carbamates
作者:Sida Li、Ruhima Khan、Xia Zhang、Yong Yang、Zheting Wang、Yong Zhan、Yuze Dai、Yue-e Liu、Baomin Fan
DOI:10.1039/c9ob00924h
日期:——
synthesis of N-aryl carbamates from N-Boc-protected amines has been developed. The cobalt-catalyzed in situ generation of isocyanates from N-Boc-protected amines and benzyl alcohols from benzyl formates has been achieved for the first time, which in turn furnished the corresponding benzyl carbamates in moderate to high yields. The reaction was catalyzed by CoI2 with tris-(4-dimethylaminophenyl)-phosphine