PHARMACEUTICAL INTERMEDIATES IN THE SYNTHESIS OF ACE-INHIBITORS AND THE USE THEREOF
申请人:Porcs-Makkay Marta
公开号:US20100286404A1
公开(公告)日:2010-11-11
The compounds of the general Formula (I), wherein R
1
is aryl or alkyl; R
2
represents alkyl; R
3
represents alkyl or aralkyl, are valuable pharmaceutical intermediates, which can be prepared by reacting a compound of the general Formula (IV) (wherein the definitions of R
1
and R
2
are as above), with at least 2 molar equivalents of the compound of the general Formula (VI) (wherein X represents halogen or tertiary butyloxycarbonyloxy group and R
3
is as defined above). The known compounds of the general Formula (II) (wherein R
1
and R
2
are as defined above) are prepared by reacting the compounds of the general Formula (I) with thionyl chloride. The compounds of the general Formula (I) are new intermediates useful in the synthesis of pharmaceutically active ingredients, particularly in the preparation of ACE-inhibitors, e.g. enalapril, perindopril or ramipril.
通式(I)化合物中,R1为芳基或烷基;R2代表烷基;R3代表烷基或芳基烷基,是有价值的制药中间体。这些中间体可以通过将通式(IV)化合物(其中R1和R2的定义如上所述)与至少2摩尔当量的通式(VI)化合物(其中X代表卤素或叔丁氧羰氧基,R3如上所定义)反应而制备。通式(II)化合物(其中R1和R2如上所定义)是通过将通式(I)化合物与氯化硫酰反应制备而成。通式(I)化合物是在药物活性成分的合成中有用的新中间体,特别是在ACE抑制剂(例如依那普利、贝那普利或雷米普利)的制备中。