Invention Application
US20130150591A1 METHOD FOR PURIFYING N-ALKYL-SUBSTITUTED PYRROLIDONES BY HYDROGENATION
审中-公开
通过氢化法纯化N-烷基取代的吡咯烷酮的方法
- Patent Title: METHOD FOR PURIFYING N-ALKYL-SUBSTITUTED PYRROLIDONES BY HYDROGENATION
- Patent Title (中): 通过氢化法纯化N-烷基取代的吡咯烷酮的方法
-
Application No.: US13705654Application Date: 2012-12-05
-
Publication No.: US20130150591A1Publication Date: 2013-06-13
- Inventor: Rolf PINKOS , Thomas Vogler , Karl Ott
- Applicant: Rolf PINKOS , Thomas Vogler , Karl Ott
- Main IPC: C07D207/27
- IPC: C07D207/27
Abstract:
The invention relates to a method for purifying N-alkyl-substituted pyrrolidones which have contaminants with a higher degree of oxidation, by hydrogenation of the same and distillation.
Information query
IPC分类:
