Arthur G. Schultz, Salvador Puig and Yu Wang
J. Chem. Soc., Chem. Commun., 1985, 785-786
DOI:
10.1039/C39850000785,
Paper
Photorearrangement of 4-furfuryloxy-2,4,6-trimethylcyclohexa-2,5-dien-1-one (1) gives the bridged furan adduct (4) in 80% yield.