Purification of n-methyl-2-pyrrolidone

Details Purification of n-methyl-2-pyrrolidone Purification of n-methyl-2-pyrrolidone

C - Chemistry, Metallurgy

07

D

260/324

C07D 207/267 (2006.01)

Patent

CA 1333806

A method for purifying N-methyl-2-pyrrolidone containing thiophenol and/or diphenyl disulfide is disclosed, comprising adding a polyhalogenated aromatic compound and an alkali metal hydroxide and/or an alkali metal carbonate to the N-methyl-2-pyrrolidone containing thiophenol and/or diphenyl disulfide, heat treating the mixture, and subjecting the mixture to separation by distillation. The thiophenol and/or diphenyl disulfide can be removed with ease and at low cost.

601619

Affiliated with

Also associated with

Rating

Purification of n-methyl-2-pyrrolidone does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Purification of n-methyl-2-pyrrolidone, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Purification of n-methyl-2-pyrrolidone will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1324672