Synthesis of the DE synthon of racemic camptothecin
摘要:
A concise formal synthesis of camptothecin is described. The key pyrido-lactone (DE ring) was prepared effectively starting from 2-chloronicotinic acid via lithiation, reduction, and hydrolysis in 29% overall yield.
Synthesis of the DE synthon of racemic camptothecin
摘要:
A concise formal synthesis of camptothecin is described. The key pyrido-lactone (DE ring) was prepared effectively starting from 2-chloronicotinic acid via lithiation, reduction, and hydrolysis in 29% overall yield.