General Approach to Polycyclic Meroterpenoids Based on Stille Couplings and Titanocene Catalysis
作者:José Justicia、J. Enrique Oltra、Juan M. Cuerva
DOI:10.1021/jo049253r
日期:2004.8.1
steps were the Stille-type coupling of aryl stannanes and allylic carbonates, followed by the titanocene-catalyzed domino cyclization of aryl epoxypolyprenes. The couplingreaction was perfectly compatible with preformed epoxides, while the sequential cyclization, which presumably proceeded via alkyl radicals inert to benzene derivatives, selectively provided exocyclic alkenes.