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Communication | Regular issue | Vol 14, No. 11, 1980, pp.1717-1724
Published online, 1st January, 1970
DOI: 10.3987/R-1980-11-1717
Prediction of Site Selectivity in Photocyclization of Seven Membered Ring Compounds (2): Background Involved in Reactivity Index ΔGrs and Comparison with the Empirically Deduced Polarization Model

Takahiro Tezuka* and Osamu Kikuchi

*Department of Chemistry, University of Tsukuba, 1-1-1 Ten-nodai, Tsukuba-shi, Ibaraki, 305-8571, Japan


The quantitative background of the index ΔGrs proposed by us previously is presented in this paper; a new reactivity index ΔErs is derived. These indices are compared with the empirically deduced polarization model proposed by Brember et al. Some applications of ΔGrs to the photocyclization of tropolone and azepine derivatives are described.