Opening of the cyclopropane ring of the thujan-3-ols in fluorosulphuric acid
作者:John C. Rees、David Whittaker
DOI:10.1039/p29810000953
日期:——
The reactions of the isomeric thujan-3-ols with fluorosulphuricacid to give the 2,3-dimethyl-4-isopropylcyclopentenium ion have been investigated. The initial ringopening involves at least two mechanisms yielding a carbocation and an olefin. Subsequent reaction, possibly by elimination and olefin shift, gives the 2,3-dimethyl-4-isopropylcyclopent-2-enol, which rapidly ionises to the observed ion