N BOND FORMATION;
CATALYZED ARYLATION;
AMINATION;
PALLADIUM;
FUNCTIONALIZATION;
ACETOXYLATION;
DERIVATIVES;
ACTIVATION;
AMIDATION;
ROUTE;
D O I:
10.1021/ja210959p
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
A method for five- and six-membered heterocycle formation by palladium-catalyzed C-H/N-H coupling is presented. The method employs a picolinamide directing group, PhI(OAc)(2) oxidant, and toluene solvent at 80-120 degrees C. Cyclization is effective for sp(2) as well as aliphatic and benzylic sp(3) C-H bonds.