Metalated epoxides as carbenoids. Stereospecific synthesis of functionalized spiro cyclopropanes via highly strained tricyclic intermediates
作者:Claude Agami、Luc Dechoux、Eric Doris、Charles Mioskowski
DOI:10.1016/s0040-4039(97)00802-2
日期:1997.6
Intramolecular cyclopropanation reaction of β-γ-unsaturated epoxides yields highly strained tricyclo[4,1,0,01,5]heptane compounds whose hydrolysis affords α-keto spiro cyclopropanes. Both steps of this one-pot reaction are stereospecific.
β-γ-不饱和环氧化物的分子内环丙烷化反应产生高应变的三环[4,1,0,0 1,5 ]庚烷化合物,其水解产生α-酮螺环丙烷。这个一锅法反应的两个步骤都是立体定向的。