申请人:Comely Alexander
公开号:US20090036677A1
公开(公告)日:2009-02-05
It comprises a preparation process of delmopinol or a pharmaceutically acceptable salt and/or a solvate thereof, by submitting the compound of formula (II) where R
1
and R
2
are the same or different, independently selected from the group consisting of H, (C
1
-C
6
)-alkyl or, alternatively, R
1
and R
2
form, together with the carbon atom to which they are attached, a (C
5
-C
6
)-cycloalkyl radical; and R
3
is a radical selected from the group consisting of CF
3
, (C
1
-C
4
)-alkyl, phenyl, and phenyl mono- or disubstituted by a radical selected from the group consisting of (C
1
-C
4
)-alkyl, halogen and nitro to a deprotection and cyclisation reaction. The process is useful to prepare delmopinol or its salts on an industrial scale. The compound of formula (II) is new and also forms part of the present invention, as well as its preparation process and other new intermediates of said preparation process.
该发明涉及一种制备德莫匹诺或其药学上可接受的盐和/或其溶剂化物的制备过程,通过将式(II)的化合物提交至去保护和环化反应,其中R1和R2相同或不同,独立地选自H,(C1-C6)-烷基或者,R1和R2与它们连接的碳原子一起形成(C5-C6)-环烷基基团; R3是从CF3,(C1-C4)-烷基,苯基和苯基单取代或双取代基团中选择的基团,所述基团的取代基是从(C1-C4)-烷基,卤素和硝基中选择的基团。该过程有助于在工业规模上制备德莫匹诺或其盐。式(II)的化合物是新的,也是本发明的一部分,以及其制备过程和所述制备过程的其他新中间体。