申请人:Bristol-Myers Squibb Company
公开号:EP0598383A1
公开(公告)日:1994-05-25
An indole of the formula
wherein R₅ and R₆ are acetoxy or hydrogen, at least one of R₅ and R₆ being acetoxy, is prepared, in good yield, in a one pot synthesis, without extraction, recrystallization or isolation of intermediate reaction product; A compound of the formula
wherein R₁ and R₂ are benzyloxy or hydrogen, provided that at least one of R₁ and R₂ is benzyloxy, is subjected to reductive cyclization followed by acetylation of the resultant reaction product.
式中的吲哚
其中 R₅ 和 R₆ 是乙酰氧基或氢,R₅ 和 R₆ 中至少有一个是乙酰氧基,以一锅合成法制备,收率高,无需萃取、重结晶或分离中间反应产物; 式中的一种化合物
其中 R₁ 和 R₂ 是苄氧基或氢,但 R₁ 和 R₂ 中至少有一个是苄氧基。