INTERMEDIATES FOR THE PREPARATION OF HMG COA REDUCTASE INHIBITORS AND PROCESSES FOR THE PREPARATION THEREOF
申请人:Dwivedi Shriprakash Dhar
公开号:US20130158263A1
公开(公告)日:2013-06-20
A compound of Formula (1), is disclosed
wherein P
1
and P
2
are alcohol protecting groups or 1,3-diol protecting group, R is selected from:
wherein R
4
a is selected from alkyl, aryl, arylalkyl and cycloalkyl,
Rc is selected from H, alkyl, aryl, alkaoxy, haloalkyl, monohaloalkyloxy, and dihaloalkyloxy,
Rd is selected from alkyl, aryl, arylalkyl, CF
3
, halo and NO
2
and X is selected from O, N—H, N-alkyl and S,
Ra and Rb are same or different and each represents hydrogen, an alkyl group of 1 to 12 carbon atoms, an aryl group of 6 to 12 carbon atoms, or an aralkyl group of 7 to 12 carbon atoms.
公开了一种化合物,其化学式为(1),其中P1和P2是醇保护基或1,3-二醇保护基,R选自:其中R4a选自烷基、芳基、芳基烷基和环烷基,Rc选自H、烷基、芳基、烷氧基、卤代烷基、单卤代烷氧基和双卤代烷氧基,Rd选自烷基、芳基、芳基烷基、CF3、卤素和NO2,X选自O、N-H、N-烷基和S,Ra和Rb相同或不同,每个代表氢、1至12个碳原子的烷基、6至12个碳原子的芳基,或7至12个碳原子的芳基烷基。