Sensitized Photooxidation of 2,5-Furanyldimethyl Dibenzoate

ROC --Sensitized photooxidation o f 2.5-furanyldimethyl dibenzoate was c a r r i e d out in acetanitrile a n d methanol respectively.T w o products, 2 and 5, were obtained via 0.0-diradical intermediate 2 which was discovered from o m n i d e f o r t h e f i r s t time. 2 2a Sensitized p h o t w x i d a t i o n of 2.5-diaikyifurans, 2.5-dimethylfuran , dicyclohexanofuran , bisfuran 13, bisfuranaphaneb, furanonaphtha~enophane~~, f ~r a n o c ~c l o ~h a n e ~~, and 2.5-furo-18-crown-