trans Doubly-bridged ethylene. Preparation of (±)-trans-bicyclo-[10.8.0]eicos-1(12)-ene
Abstract
(±)-trans-Bicyclo[10.8.0]eicos-1(12)-ene (3) was prepared by photochemical isomerization of the cis-precursor (2a), and is the first example of a trans doubly bridged ethylene.