active methylenic compounds;
allylic compounds;
C-C bond formation;
C-H activation;
cross-coupling;
DDQ;
2,3-dichloro-5,6-dicyanoquinone;
D O I:
10.1002/adsc.200800085
中图分类号:
O69 [应用化学];
学科分类号:
081704 ;
摘要:
A metal-free very highly efficient and concise oxidative-coupling reaction promoted by 2,3-dichloro-5,6-dicyanoquinone (DDQ) between diarylallylic Sp(3) C-H and active methylenic Sp(3) C-H bonds is reported. The corresponding products are obtained in good to excellent yields.