G. Babu et V. Sridar, CONSTRUCTION OF CIS-FUSED BICYCLO[N.3.0] SYSTEMS VIA DIELS-ALDER REACTION-OXIDATION SEQUENCE, Indian journal of chemistry. Sect. B: organic chemistry, including medical chemistry, 35(7), 1996, pp. 711-712
Diels-Alder reaction of cyclopentadiene with cyclopentenone, cyclohept
enone and cyclooctenone shows excellent endo selectivity and all the e
ndo-adducts 2 including the known adduct of cyclohexenone are oxidativ
ely cleaved to produce the bicyclo[n.3.0] systems 3.