Synthesis of cyclic ethers via the palladium catalyzed intramolecular hydrocarbonation of alkoxyallenes
作者:Shin Kamijo、Yoshinori Yamamoto
DOI:10.1016/s0040-4039(98)02681-1
日期:1999.2
The intramolecularhydrocarbonation of certain alkoxyallenes (1, 3 and 5), bearing active methine groups at the terminus of the carbon chain, proceeded smoothly in the presence of catalytic amounts of a palladiumcomplex [Pd(OAc)2-dppb] to give 5- to 7-membered cyclic ethers (2, 4 and 6, respectively) in good to high yields.