申请人:——
公开号:US20020143046A1
公开(公告)日:2002-10-03
Amlodipine and related analogues thereof are prepared by the following general reaction scheme:
1
R
1
and R
2
each independently represent a C
1
-C
4
alkyl group. The process provides for the formation of compounds of formula (1) in good yield and purity. Further, the compounds of formula (1) can be used as calcium channel blockers or as reference standards or reference markers for checking the purity of amlodipine.
氨氯地平及其相关类似物是通过以下一般反应方案制备的:1R1和R2各自独立表示C1-C4烷基基团。该过程提供了以良好产率和纯度形成化合物的方法。此外,化合物的公式(1)可用作钙通道阻滞剂,或用作氨氯地平纯度检查的参考标准或参考标记。