A short, efficient route to 1-hydroxylated vitamin D ring A fragments
作者:José L. Mascareñas、Ana Ma García、Luis Castedo、Antonio Mouriño
DOI:10.1016/s0040-4039(00)74261-4
日期:1992.7
The bis-exocyclic conjugated diene system of vitamin Dring A synthons is efficiently constructed by means of a palladium-catalyzed intramolecular cyclization of the (Z)-iodoalkene resulting from the stereoselective hydrometallation-iodinolysis of propargylic alcohol 9.