Carbonyl ylide formation from the rhodiu
✍
Albert Padwa; Paul D. Stull
📂
Article
📅
1987
🏛
Elsevier Science
🌐
French
⚖ 263 KB
Reaction of the a-diazoketone derived from 7-carboxyphthalide with rhodium acetate results in an internal cyclization to give a six-ring carbonyl ylide which is subsequently converted to 7carbomethoxyphthalide.