12H-Chromeno[2,3-b] quinolin-12-one;
CDC;
Metal Free;
SET;
TBHP;
AROMATIC-SUBSTITUTION BHAS;
FACILE SYNTHESIS;
XANTHONE FORMATION;
DERIVATIVES;
CYCLIZATION;
ARYLATION;
ALDEHYDES;
ELECTRON;
FUNCTIONALIZATION;
TRANSFORMATION;
D O I:
10.1002/slct.201601527
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
A metal/additive-free, TBHP-promoted synthesis of 12H-Chromeno[2,3-b] quinolin-12-ones from 2-phenoloxyquinolinyl-3-carboxaldehydes has been described via cross-dehydrogenative coupling of aldehydic C-H bond with arene C-H bond in good to excellent yields. Reaction could be extended to the synthesis of Chromeno[2,3-c] pyrazol-4(1H)-ones, 3-Phenyl-5H-chromeno[2,3-b] pyridin-5-ones and Xanthone respectively.