Taco complex-templated highly regio- and stereo-selective photodimerization of a coumarin-containing crown ether†
Peifa Wei,Haoze Wang,Kecheng Jie,Feihe Huang
Chemical Communications Pub Date : 01/06/2017 00:00:00 , DOI:10.1039/C6CC10089A
Abstract
Preorientation of the terminal coumarins of a crown ether with the assistance of taco-type host–guest complex formation promotes regio- and stereo-selectivity of coumarin photodimerization to give only the syn head-to-tail coumarin isomer.
