Photodehydrocyclizations in stilbene-like compounds—III
作者:W.H. Laarhoven、T.H.J.H.M. Cuppen、R.J.F. Nivard
DOI:10.1016/s0040-4020(01)93139-4
日期:1970.1
Photodehydrocyclizations in stilbene-like compounds take place only if the sum of the free valence numbers of the atoms concerned in the cyclization step exceeds in the excited state, a value of 1. If more than one cyclization is possible the photoconversion follows the pathway for which ΣF* is maximal; if ΔΣF* for various cyclizations is smaller than 0·1 a second product is sometimes formed.