Reactions of 2,3,19-trihydroxyurs-12-tri
✍
L.A Tapondjou; F.N. Ngounou; D. Lontsi; B.L. Sondengam; J.D. Connolly
📂
Article
📅
1998
🏛
Elsevier Science
🌐
French
⚖ 495 KB
Pinacol rearrangement of the title group of compounds has been investigated and the structures of the adducts elucidated. Three different A-ring carbonylated compounds were obtained, two of which (2 and 4) remained with a six-member ring as in the starting material 1, and the third one (3) with a cy