Spiroconjugation, dimerisation, and ultraviolet absorption of o-quinonoid compounds
作者:J. M. Holland、D. W. Jones
DOI:10.1039/c29700000122
日期:——
The ethyleneacetal of 1,3-diphenylisoindenone, 1,2,3-triphenylbenzo[c]phosphole2-oxide, and 2-methyl-1,3-diphenylbenzo[c]phosphole2-oxide have been generated in solution; the u.v. absorption and (4 + 2)π dimerisation of these compounds is attributed to spiroconjugation.