Photochemical Method for Generation of Linear Polyynes: [2 + 2] Cycloreversion of [4.3.2]Propellatrienes Extruding Indan
作者:Yoshito Tobe、Toshihiko Fujii、Koichiro Naemura
DOI:10.1021/jo00085a003
日期:1994.3
Photolysis of trienediynes 1a and 1b and trienetetrayne 1c having a [4.3.2]propellane framework yielded the respective linear polyynes 2a-c in good efficiency through [2 + 2] cycloreversion, extruding indan (3).