M. Bajic et G. Karminskizamola, PHOTOSYNTHESIS OF NEW HETEROPOLYCYCLIC FUROLACTONES FROM E,E-2,5-DI-(2-CARBOXYSTYRYL)FURAM, Croatica chemica acta, 69(1), 1996, pp. 261-266
New heteropolycyclic furolactones; phenyl-7a-methoxy-3a,7a-dihydrofuro
l[3,2-b]pyran-5 (3) and phenyl-2,3-epoxy-2,3-dihydrofuro[3,2-b]pyran-5
-one (4) were prepared by photochemical dehydrocyclization reaction of
E,E-2,5-di-(2-carboxystyryl)furan (1).