A method for preparing a compound of Formula 1 comprising contacting a compound of Formulae 2 and 3 in the presence of a palladium source, a ligand, a base and carbon monoxide
wherein R
1
, R
2
, X and R
3
are as defined in the disclosure.
A method for preparing a compound of Formula 5 wherein R
1
, R
2
, R
3
, R
4
, R
5
, R
6
and Z are as defined in the disclosure, using a compound of Formula 1 characterized by preparing a compound of Formula 1 by the method disclosed above or using a compound of Formula 1 prepared by the method above.
一种制备公式1化合物的方法,包括在
钯源、
配体、碱和
一氧化碳的存在下,将公式2和公式3的化合物接触,其中R1、R2、X和R3如披露中所定义。一种制备公式5化合物的方法,其中R1、R2、R3、R4、R5、R6和Z如披露中所定义,使用一种公式1化合物,其特征在于通过上述披露的方法制备公式1化合物或使用上述方法制备的公式1化合物。