3 + 2 Cycloaddition via a Diels-Alder/retro-Diels-Alder sequence: Tandem cyclopentadienyl annulation of a 1,5-cyclooctadiyne synthetic equivalent
作者:Alfonso Dávila、Merrikh S. Ramezanian、Frank R. Fronczek、Mark L. McLaughlin
DOI:10.1016/0040-4039(96)00384-x
日期:1996.4
A novel method of synthesizing a 1,2-bis(ethano) bridged bis(cyclopentadienyl) compound, 6,13-diisopropylidenetricyclo[9.3.01,11.04,8]tetradeca-1(14),4,7,11-tetraene, 5, via a tandem Diels-Alder/retro-Diels-Alder sequence using a 1,5-cyclooctadiyne synthetic equivalent and 6,6-dimethylfulvene i is reported.
一种合成1,2-双(乙醇)桥联双(环戊二烯基)化合物6,13-二异丙基亚氨基三环[9.3.0 1,11 .0 4,8 ] tetradeca-1(14),4,7,的新方法报道了通过串联的Diels-Alder / retro-Diels-Alder序列使用1,5-环辛二炔合成当量和6,6-二甲基富勒烯i的11-四烯,5。