KR880000409A - 환상요소 제조방법 - Google Patents

환상요소 제조방법 Download PDF

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Publication number
KR880000409A
KR880000409A KR870005829A KR870005829A KR880000409A KR 880000409 A KR880000409 A KR 880000409A KR 870005829 A KR870005829 A KR 870005829A KR 870005829 A KR870005829 A KR 870005829A KR 880000409 A KR880000409 A KR 880000409A
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KR
South Korea
Prior art keywords
urea
diamine
polar solvent
general formula
following general
Prior art date
Application number
KR870005829A
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English (en)
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KR890003809B1 (ko
Inventor
노부유끼 가지모도
데르유끼 나가다
마사르 와다
Original Assignee
도쯔까 야스아끼
미쯔이 도오아쯔 가가꾸 가부시기 가이샤
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.)
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Publication date
Priority claimed from JP61134888A external-priority patent/JPH07103109B2/ja
Priority claimed from JP14805686A external-priority patent/JPH0720942B2/ja
Application filed by 도쯔까 야스아끼, 미쯔이 도오아쯔 가가꾸 가부시기 가이샤 filed Critical 도쯔까 야스아끼
Publication of KR880000409A publication Critical patent/KR880000409A/ko
Application granted granted Critical
Publication of KR890003809B1 publication Critical patent/KR890003809B1/ko

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
    • C07D239/32—One oxygen, sulfur or nitrogen atom
    • C07D239/34—One oxygen atom
    • C07D239/36—One oxygen atom as doubly bound oxygen atom or as unsubstituted hydroxy radical
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/06—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D239/08—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms directly attached in position 2
    • C07D239/10—Oxygen or sulfur atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/04—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D233/28—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings 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
    • C07D233/30—Oxygen or sulfur atoms
    • C07D233/32—One oxygen atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D243/00—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms
    • C07D243/04—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 3

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

내용 없음

Description

환상요소 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (6)

  1. 하기 일반식(Ⅱ)로 표시되는 디아민과 요소를 반응시켜 하기 일반식 (Ⅰ)로 표시되는 환상요소를 제조하는 방법에 있어서, 극성 용매에서 180℃ 이상의 온도에서 반응이 실시되는 공정을 특징으로 하는 환상요소 제조방법.
    R-HN-R′-NH-R (Ⅱ)
    (상기식에서 R은 저급알킬기를 나타내고 R′은 저급알킬리로 치환된 디메틸렌기, 트리메틸렌기, 저급알킬기로 치환된 트리메틸렌기, 테트라메틸렌기, 또는 저급알킬기로 치환된 테트라메틸렌기를 나타낸다.)
  2. 제 1 항에 있어서,
    반응은 극성용매 존재하에 실시되고, 상기 디아민과 요소의 몰비율을 0.6 : 1.2로 하고, 먼저 제 1 단계 반응에서 상기 디아민과 요소의 중간체 생성이 종료될 때까지 140℃ 이하의 온도에서 반응을 실시한 다음, 계속하여 180℃ 이상으로 온도를 상승시켜(제 2 단계) 반응혼합물을 반응시키는 방법을 특징으로 하는 환상요소 제조방법.
  3. 제 1 항에 있어서,
    극성용매 존재하에 상기 디아민과 요소를 디아민/요소의 몰비율을 1/2이 되도록 반응기에 공급하고, 먼저 상기 디아민과 요소의 중간체 생성이 종료될 때까지 140℃ 이하의 온도에서 반응이 실시되고, 다음, 계속하여 온도를 180℃ 이상으로 상승시켜 반응혼합물을 반응시키면서 동시에 상기 디아민과 요소의 총비율(몰비율)이 약 2/2가 되도록 상기 디아민을 가하는 방법을 특징으로 하는 환상요소 제조방법.
  4. 제 1 항에 있어서,
    목적하는 반응 생성물인 하기 일반식(Ⅰ)로 표시되는 환상요소가 상기 극성용매로서 사용되는 방법을 특징으로 하는 환상요소 제조방법.
    (R 및 R′은 각각 앞서 정의한 바와 같다.)
  5. 제 2 항에 있어서,
    목적하는 반응생성물인 하기 일반식(Ⅰ)로 표시되는 환상요소가 상기 극성용매로서 사용되는 방법을 특징으로 하는 환상요소 제조방법.
    (R 및 R′은 각각 앞서 정의한 바와 같다.)
  6. 제 3 항에 있어서,
    목적하는 반응 생성물인 하기 일반식(Ⅰ)로 표시되는 환상요소가 상기 극성용매로서 사용되는 방법을 특징으로 하는 환상요소 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870005829A 1986-06-12 1987-06-09 환상요소 제조방법 KR890003809B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP148056 1986-06-12
JP134888 1986-06-12
JP61-148056 1986-06-12
JP61134888A JPH07103109B2 (ja) 1986-06-12 1986-06-12 ２−イミダゾリジノン類の製造方法
JP61-134888 1986-06-12
JP14805686A JPH0720942B2 (ja) 1986-06-26 1986-06-26 環状ウレア類の製造方法

Publications (2)

Publication Number Publication Date
KR880000409A true KR880000409A (ko) 1988-03-25
KR890003809B1 KR890003809B1 (ko) 1989-10-05

Family

ID=26468872

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870005829A KR890003809B1 (ko) 1986-06-12 1987-06-09 환상요소 제조방법

Country Status (5)

Country Link
US (1) US4900820A (ko)
EP (1) EP0249136A3 (ko)
KR (1) KR890003809B1 (ko)
CA (1) CA1286291C (ko)
IN (1) IN165075B (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3829848A1 (de) * 1988-09-02 1990-03-15 Basf Ag Verfahren zur herstellung von cyclischen n,n'-dimethylharnstoffen
DE19743760A1 (de) * 1997-10-02 1999-04-08 Basf Ag Verfahren zur Herstellung von cyclischen Harnstoffderivaten
US6096891A (en) * 1999-12-09 2000-08-01 Air Products And Chemicals, Inc. Process for the production of cyclic N,N'-dialkylureas
CN117126109B (zh) * 2023-10-26 2024-03-15 中南大学 一种甲醛去除剂、及其制备方法和应用

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073800A (en) * 1959-02-03 1963-01-15 Standard Chem Products Inc Preparation of modified cyclic urea resins
DE1121617B (de) * 1959-05-26 1962-01-11 Huels Chemische Werke Ag Verfahren zur Herstellung von Tetrahydropyrimidin-2-onderivaten
US4731453A (en) * 1985-04-03 1988-03-15 Mitsui Toatsu Chemicals, Inc. Process for producing 1, 3-dialkyl-2-imidazolidinone

Also Published As

Publication number Publication date
EP0249136A2 (en) 1987-12-16
KR890003809B1 (ko) 1989-10-05
IN165075B (ko) 1989-08-12
CA1286291C (en) 1991-07-16
US4900820A (en) 1990-02-13
EP0249136A3 (en) 1988-04-06

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