Highly unsaturated conjugated systems from vinylic tellurides
作者:Rafael E. Barrientos-Astigarraga、Denilson N. Moraes、Joa˜o V. Comasseto
DOI:10.1016/s0040-4039(98)02352-1
日期:1999.1
1,4 addition of higherorder Z vinyl cuprates to enones followed by triflate trapping results in the corresponding enol triflates, which can be coupled with terminal alkynes or with Z vinyl zinc chloride under Pd0 catalysis.