Cp. Chang et al., BICYCLO[3.2.1]OCTENONES AS BUILDING-BLOCKS IN NATURAL PRODUCT SYNTHESIS .4. FORMAL SYNTHESIS OF (+ -)-HYDROXYLOGANIN AGLUCONE/, Journal of the Chinese Chemical Society, 41(5), 1994, pp. 613-616
A formal synthesis of (+/-)-hydroxyloganin aglucone from bicyclol3.2.1
]octenone 1 is described. Ring opening of )-1-phenylthiotricyclo[4.2.1
.0(3,7)]non-4-en-2-one 14 with potassium hydroxide is the key reaction
.