申请人:Seayad Abdul Majeed
公开号:US20110319629A1
公开(公告)日:2011-12-29
The present invention relates to titanium catalysts for synthesis reactions produced by bringing a reaction mixture comprising a titanium alkoxide and a ligand in contact with water, wherein the ligand is represented by the general formula (e): wherein R
1
, R
2
, R
3
, and R
4
are independently a hydrogen atom, an alkyl group, or the like, and (A) represents a group with two or more carbon atoms. The titanium catalysts may be isolated in solid form and may be stored. The invention further relates to a process for cyanation of imines, wherein the process comprises reacting an imine with a cyanating agent in the presence of the titanium catalyst.
本发明涉及一种通过使包含钛醇盐和配体的反应混合物与水接触而制得的用于合成反应的钛催化剂,其中配体由通式(e)表示:其中R1、R2、R3和R4各自独立地为氢原子、烷基组或其他类似物,且(A)表示具有两个或更多个碳原子的基团。所述钛催化剂可以以固体形式分离并储存。本发明还涉及一种亚胺的氰化方法,该方法包括在钛催化剂存在下使亚胺与氰化剂反应。