H BOND FUNCTIONALIZATION;
RING-CLOSURE REACTIONS;
HETEROCYCLIC SYNTHESIS;
STEREOCHEMICAL ASPECTS;
ALKYLATION REACTIONS;
ALPHA-CYCLIZATION;
TERTIARY-AMINES;
ALKYNYL ETHERS;
IN-SITU;
MEMORY;
D O I:
10.1021/ja2014955
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
Chiral phosphoric acid-catalyzed asymmetric C-H functionalization has been achieved. In this process, enantiotopic C(sp(3))-hydrogen is selectively activated by chiral phosphoric acid to afford tetrahydroquinoline derivatives with excellent enantioselectivities (up to 97% ee).