Photoinduced net [2 + 2 + 2] cycloreversion of platinum(II) glycolate complexes: A new approach to the generation of reduced, coordinatively unsaturated metal species and the activation of carbohydrate carbon-carbon single bonds

Article abstract of DOI:10.1021/om00048a009

Photolysis of thermally stable (1,2-bis(diphenylphosphino)ethane)platinum(II) glycolate complexes causes a facile net [2 + 2 + 2] cycloreversion of the 2,5-dioxaplatinacyclopentane moiety to give two organic carbonyl compounds and a reactive (dppe)Pt⁰ intermediate, as shown by trapping with dppe, ethylene, or hydrogen. Photolysis under hydrogen in the presence of (PPh₃)₄RuH₂ leads to hydrocracking of the glycol carbon-carbon single bond.