Generation of a Heterocyclic 1,3-Cyclopentanediyl Radical Cation by Chemically Induced Electron Transfer Oxidation and Pulse Radiolysis

Photosensitized Electron-Transfer Reacti

Photosensitized Electron-Transfer Reactions of 1-Isopropylidene-2-methylene-3,3-diphenylcyclobutane − [4 + 4] Cycloaddition and Cyclodimerization Initiated by a Buta-1,3-diene Radical Cation Functionality

✍ Hiroshi Ikeda; Nozomi Aburakawa; Futoshi Tanaka; Takanori Fukushima; Tsutomu Miy 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 361 KB

The 9,10-dicyanoanthracene-photosensitized (DCA-photosensitized) electron-transfer reaction of 1-isopropylidene-2methylene-3,3-diphenylcyclobutane (3) gives a mixture of the [4 + 4] DCA adduct (5) and two [4 + 4] cyclodimers Scheme 1