122501-88-6Relevant articles and documents
Dioxopyrrolines. XL. Photocycloaddition Reaction of 4-Ethoxycarbonyl-5-phenyl-1H-pyrrole-2,3-dione to Dihydrofurans. Formation of a 2,4-Dioxa-10-azatricyclo3,7>undecane Ring System
Sano, Takehiro,Hirose, Miyuki,Horiguchi, Yoshie,Takayanagi, Hiroaki,Ogura, Haruo,Tsuda, Yoshisuke
, p. 4730 - 4735 (2007/10/02)
Photocycloaddition of the dioxopirroline 1 to 2,3-dihydrofurans gave dihydropyridones 7 and 2,4-dioxa-10-azatricyclo3,7>undecanes 8.The structure of 8a was determined by X-ray crystallographic analysis.The mechanism of formation of the adducts are discussed from stereochemical point of view.Keywords---photocycloaddition; dioxopyrroline; 1H-pyrrole-2,3-dione; 2,3-dihydrofuran; dihydropyridone; 2,4-dioxa-10-azatricyclo3,7>undecane; stereo-selection rule