发明授权
US09593093B2 Methods for the manufacture of acetals and ketals, and the acetals and ketals produced thereby
有权
制造缩醛和缩酮的方法，以及由此制备的缩醛和缩酮
- 专利标题： Methods for the manufacture of acetals and ketals, and the acetals and ketals produced thereby
- 专利标题（中）： 制造缩醛和缩酮的方法，以及由此制备的缩醛和缩酮
-
申请号： US14550222申请日： 2014-11-21
-
公开(公告)号： US09593093B2公开(公告)日： 2017-03-14
- 发明人: Brian D. Mullen , Marc D. Scholten , Andrew J. Louwagie , Steven A. Donen , Feng Jing , Vivek Badarinarayana
- 申请人： SEGETIS, INC.
- 申请人地址： MT Valletta
- 专利权人： GFBIOCHEMICALS LIMITED
- 当前专利权人： GFBIOCHEMICALS LIMITED
- 当前专利权人地址： MT Valletta
- 代理机构： Cantor Colburn LLP
- 主分类号： C07D317/30
- IPC分类号： C07D317/30
摘要：
A method for producing a product that comprises glycerol ketal of ethyl levulinate or propylene glycol ketal of ethyl levulinate comprises reacting either glycerol or propylene glycol with ethyl levulinate in the presence of a homogenous or heterogeneous catalyst system in a reactor system. The ethyl levulinate and either glycerol or propylene glycol are heated to remove water, polyol, and excess ethyl levulinate. The excess ethyl levulinate and polyol is recycled back to the reactor. The product is distilled in a specific fashion and optionally treated by means of a stabilizing agent or acid species removal bed, to obtain a composition comprising glycerol ketal of ethyl levulinate or propylene glycol ketal of ethyl levulinate wherein the composition comprises less than or equal to about 2 wt % contaminants.
公开/授权文献
信息查询
