Copper-Catalyzed Cross-Dehydrogenative Coupling (CDC) of Alkynes and Benzylic CH Bonds
作者:Camille A. Correia、Chao-Jun Li
DOI:10.1002/adsc.201000066
日期:——
The activation of benzylic CH bonds and subsequent coupling with terminal alkynes in the presence of 2,3‐dichloro‐5,6‐dicyanoquinone (DDQ) and a catalyticamount of copper(I) triflate is presented. Good to moderate yields of disubstituted alkynes are obtained for this cross‐dehydrogenative coupling (CDC) reaction between a variety of aromatic alkynes and diphenylmethane derivatives.
Sp–sp3 C–C bond formation via Fe(OTf)3/TfOH cocatalyzed coupling reaction of terminal alkynes with benzylic alcohols
作者:Shi-Kai Xiang、Li-He Zhang、Ning Jiao
DOI:10.1039/b911905a
日期:——
An Fe(OTf)(3)/TfOH cocatalyzed sp-sp(3) C-C bond formation through the coupling of benzylic alcohols with terminalalkynes in the absence of base has been developed. H(2)O is the sole by-product.