A new index for predicting the reactive site of intramolecular photo-cycloaddition

✍ Scribed by T. Tezuka; O. Kikuchi

• Book ID: 104226072
• Publisher: Elsevier Science
• Year: 1976
• Tongue: French
• Weight: 213 KB
• Volume: 17
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(00)93768-7

✦ Synopsis

The perturbation method based on the frontier-orbital successfully the regiospecificity of the thermally-allowed addition.

1-3 There are, however, few attempts to predict coefficients predicts 4+2s type cyclothe specificity of the photoreaction site. 3a,4 Very recently, Lewis et al. reported that the regiospecificity of the photo 2+2r cycloaddition of stylene to substituted dienes can be explained by the second-order perturbation method including only the frontier orbitals of the two reactants.5 This sort of perturbation treatment,