Title:
N-メチル-2-ピロリドン(NMP)を連続的に製造するための方法
Document Type and Number:
Japanese Patent JP4404634
Kind Code:
B2
Abstract:
Process for the continuous preparation of N-methyl-2-pyrrolidone (NMP) by reacting gamma-butyrolactone (GBL) with monomethylamine (MMA) in the liquid phase, wherein GBL and MMA are used in a molar ratio of from 1:1.08 to 1:2 and the reaction is carried out at from 320 to 380° C. and an absolute pressure of from 70 to 120 bar.
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Inventors:
Martin Ludorov
Peter Storps
Erhard Henkes
Helmut Schmidt
Rolf-Hartmut Fisher
Manfred Julius
Rolf Leap Kucher
Karl-Heinz Ross
Peter Storps
Erhard Henkes
Helmut Schmidt
Rolf-Hartmut Fisher
Manfred Julius
Rolf Leap Kucher
Karl-Heinz Ross
Application Number:
JP2003554641A
Publication Date:
January 27, 2010
Filing Date:
November 15, 2002
Export Citation:
Assignee:
BASF SE
International Classes:
C07D207/267; C07D207/26
Domestic Patent References:
| JP7188141A | ||||
| JP10158238A | ||||
| JP2000288409A |
Foreign References:
| US3975400 |
Other References:
Elvers,B. et al,Ullmann's Encyclopedia of industrial Chemistry, PASSAGE,1993年,Vol.A22,P.458-459
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel