KR910000582A - N-메틸-2-피롤리돈의 정제방법 - Google Patents

N-메틸-2-피롤리돈의 정제방법 Download PDF

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Publication number
KR910000582A
KR910000582A KR1019890007870A KR890007870A KR910000582A KR 910000582 A KR910000582 A KR 910000582A KR 1019890007870 A KR1019890007870 A KR 1019890007870A KR 890007870 A KR890007870 A KR 890007870A KR 910000582 A KR910000582 A KR 910000582A
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KR
South Korea
Prior art keywords
methyl
pyrrolidone
thiophenol
diphenyl sulfide
alkali metal
Prior art date
Application number
KR1019890007870A
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English (en)
Inventor
도시가즈 가또오
히로시 이노우에
겐스께 오가와라
Original Assignee
나까다니 하루오
도오소오 가부시끼가이샤
무또오 미노루
도오소오·서스틸 가부시끼가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 나까다니 하루오, 도오소오 가부시끼가이샤, 무또오 미노루, 도오소오·서스틸 가부시끼가이샤 filed Critical 나까다니 하루오
Publication of KR910000582A publication Critical patent/KR910000582A/ko

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B63/00—Purification; Separation; Stabilisation; Use of additives
    • C07B63/04—Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
    • C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D207/24—Oxygen or sulfur atoms
    • C07D207/26—2-Pyrrolidones
    • C07D207/263—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
    • C07D207/267—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrrole Compounds (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)

Abstract

내용 없음

Description

N-메틸-2-피롤리돈의 정제방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (5)

  1. 티오페놀 및/또는 2황화디페닐을 함유하고 있는 N-메틸-2-피롤리돈에 폴리할로겐화 방향족 화합물과 알칼리금속 수산화물 및/또는 알킬리금속 탄산염을 가하고, 그 혼합물을 열처리하고 그 혼합물이 증류에 의한 분리를 받게하는 것으로 되어 있는 것을 특징으로 하는 티오페놀 및/또는 2황화디페닐을 함유하는 N-메틸-2-피롤리돈을 정제하는 방법.
  2. 제1항에 있어서, 상기 폴리할로겐화 방향족 화합물이 p-디클로로벤젠인 것을 특징으로 하는 방법.
  3. 제1항에 있어서, N-메틸-2-피롤리돈에 있는 티오페놀 및 2황화디페닐의 총량에 대하여 0.3 내지 5의 몰비로 폴리할로겐화 방향족 화합물을 가하는 것을 특징으로 하는 방법.
  4. 제1항에 있어서, N-메틸-2-피롤리돈에 있는 티오페놀 및 2황화디페닐의 총량에 대하여 0.5 내지 5의 총몰비로 상기 알칼리금속 수산화물 및/또는 알칼리금속 탄산염을 가하는 것을 특징으로 하는 방법.
  5. 제1항에 있어서, 상기 가열처리를 100 내지 300℃의 온도에서 0.1 내지 10시간의 기간동안 행하는 것을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890007870A 1988-06-10 1989-06-08 N-메틸-2-피롤리돈의 정제방법 KR910000582A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63-141613 1988-06-10
JP63141613A JP2641501B2 (ja) 1988-06-10 1988-06-10 Ｎ−メチル−２−ピロリドンの精製方法

Publications (1)

Publication Number Publication Date
KR910000582A true KR910000582A (ko) 1991-01-29

Family

ID=15296102

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890007870A KR910000582A (ko) 1988-06-10 1989-06-08 N-메틸-2-피롤리돈의 정제방법

Country Status (6)

Country Link
US (1) US4895959A (ko)
EP (1) EP0346086B1 (ko)
JP (1) JP2641501B2 (ko)
KR (1) KR910000582A (ko)
CA (1) CA1333806C (ko)
DE (1) DE68920075T2 (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4859781A (en) * 1989-03-03 1989-08-22 Phillips Petroleum Company Recovery of N-methyl-2-pyrrolidone
US6051720A (en) * 1999-06-11 2000-04-18 Phillips Petroleum Company Removal of contaminants from N-methyl-2-pyrrolidone
CN102399179B (zh) 2010-09-17 2014-06-18 上海化学试剂研究所 超纯n-甲基吡咯烷酮的生产方法
KR101134663B1 (ko) * 2011-08-24 2012-04-09 재원산업 주식회사 유기용제의 정제방법 및 유기용제
CN104797558B (zh) * 2012-11-22 2017-05-24 巴斯夫欧洲公司 纯化n‑烷基吡咯烷酮的方法
US9388282B2 (en) 2013-10-29 2016-07-12 Solvay Specialty Polymers Usa, Llc. Method of thiophenol removal from poly(arylene sulfide) polymer compositions
CN105439935A (zh) * 2015-11-05 2016-03-30 包头市汇智工程咨询有限责任公司 一种用于聚芳硫醚类树脂生产溶剂回收轻组分分离工艺
JP2021008408A (ja) * 2017-10-05 2021-01-28 味の素株式会社 光学活性ピロリドンカルボン酸またはそのアルカリ金属塩の製造方法
CN115108958A (zh) * 2022-07-20 2022-09-27 珠海三泰新材料有限公司 一种nmp提纯方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2939869A (en) * 1958-01-27 1960-06-07 Minnesota Mining & Mfg Pyrrolidone purification
US3354129A (en) * 1963-11-27 1967-11-21 Phillips Petroleum Co Production of polymers from aromatic compounds
US3687907A (en) * 1970-11-09 1972-08-29 Phillips Petroleum Co Recovery of solvent in arylene sulfide polymer production
CA1003847A (en) * 1971-10-29 1977-01-18 G A F Corporation Low molecular weight complexes of lactams and phenolic compounds
US4472585A (en) * 1982-06-07 1984-09-18 Phillips Petroleum Company Extraction of N-methylpyrrolidone-2
US4510316A (en) * 1982-06-07 1985-04-09 Cleary James W Purification of N-methylpyrrolidone
US4501902A (en) * 1982-12-21 1985-02-26 Phillips Petroleum Company N-Methyl pyrrolidone-2 purification
JPS62145061A (ja) * 1985-12-20 1987-06-29 Toyo Soda Mfg Co Ltd Ｎ−メチル−２−ピロリドンの精製方法
US4831160A (en) * 1987-01-05 1989-05-16 Exxon Research And Engineering Company Removal of volatile acids from NMP solvent vapors with sacrificial metal and ion exchange

Also Published As

Publication number Publication date
DE68920075D1 (de) 1995-02-02
EP0346086A2 (en) 1989-12-13
EP0346086B1 (en) 1994-12-21
JPH01313459A (ja) 1989-12-18
JP2641501B2 (ja) 1997-08-13
EP0346086A3 (en) 1991-07-03
US4895959A (en) 1990-01-23
CA1333806C (en) 1995-01-03
DE68920075T2 (de) 1995-05-18

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