申请人:Li Guisheng
公开号:US20050209465A1
公开(公告)日:2005-09-22
The present invention provides a method for making substituted indole compounds of general formula III comprising the step of:
(a) reacting a 2-bromoaniline or 2-chloroaniline of general formula (I)
(I)
wherein: X, R and R
1
are defined herein
with a substituted acetylene of formula (II)
wherein R
2
and R
3
in the presence of a palladium catalyst, a ligand, and a base in a solvent at a suitable temperature to give a compound of formula (III);
本发明提供了一种制备通式III的取代吲哚化合物的方法,包括以下步骤:(a)将通式(I)的2-溴苯胺或2-氯苯胺(I中X、R和R1的定义见本文)与通式(II)的取代乙炔(其中R2和R3)在钯催化剂、配体和碱的存在下,在适当温度下的溶剂中反应,得到通式(III)的化合物;