作者:BECK, K.、BURGHARD, H.、FISCHER, G.、HUNIG, S.、REINOLD, P.
DOI:——
日期:——
Thermal and photochemical reactions of bicyclic azoalkanes in concentrated sulfuric acid
作者:Waldemar Adam、Miguel A. Miranda
DOI:10.1021/jo00233a049
日期:1987.11
UV laser photochemistry: Evidence for “through-bond coupling” effects in the lifetimes of 2,2-dimethyl-1,3-cyclopentadiyl triplet diradicals.
作者:Waldemar Adam、Erhard Günther、Peter Hössel、Herbert Platsch、R.Marshall Wilson
DOI:10.1016/s0040-4039(00)96523-7
日期:1987.1
The 2,2-dimethylsubstituted 1,3-diradicals possess significantly shorter tripletlifetimes (τt) than the parent 1,3-cyclopentadiyl , which is being rationalized on the basis of changes in the “through-bond” coupling and thus singlet-triplet energy splitting between the radical sites.