Sp. Chavan et al., UNUSUAL COPE REARRANGEMENT OF TRICYCLO[5.2.1.0(2.6)]DECADIENONE 2-CARBOXYLIC ESTER ON ACETALIZATION WITH ETHYLENE-GLYCOL, PTSA, Tetrahedron letters, 37(43), 1996, pp. 7827-7828
Protection of 2-exo-carbomethoxytricyclo[5.2.1.0(2,6)] deca-3,8-dien-5
-one with ethylene glycol, PTSA afforded the unexpected Cope rearrange
d product i.e. 1-carbomethoxy endo-dicyclopenta-1,4-diene-8-one 8-ethy
lene acetal, instead of protected acetal 2. Copyright (C) 1996 Publish
ed by Elsevier Science Ltd