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KR970010759A - Method for producing 1,3-dioxolane - Google Patents

Method for producing 1,3-dioxolane Download PDF

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Publication number
KR970010759A
KR970010759A KR1019960032355A KR19960032355A KR970010759A KR 970010759 A KR970010759 A KR 970010759A KR 1019960032355 A KR1019960032355 A KR 1019960032355A KR 19960032355 A KR19960032355 A KR 19960032355A KR 970010759 A KR970010759 A KR 970010759A
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South Korea
Prior art keywords
dioxolane
distillation
reaction mixture
alkyl
xylene
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KR1019960032355A
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Korean (ko)
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KR100485226B1 (en
Inventor
요시히로 오노
다까오 곤도
다이고 나까야
주니찌 아베
아끼까즈 아마가이
Original Assignee
오히라 아끼라
미쓰비시 가스 가가꾸 가부시끼가이샤
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Publication of KR970010759A publication Critical patent/KR970010759A/en
Application granted granted Critical
Publication of KR100485226B1 publication Critical patent/KR100485226B1/en

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
    • C07D317/12—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Extraction Or Liquid Replacement (AREA)

Abstract

포름알데히드 또는 포름알데히드 발생 물질과 에틸렌 글리콜을 산촉매하 반응시켜 1,3-디옥솔란을 제조하는 방법은 (1) 추출제로 알킬-치환 벤젠의 존재하, 형성된 반응 혼합물질로부터 증류로 분리된 반응 증류물로부터 1,3-디옥솔란을 추출하는 단계, (2) 생성된 추출물을 증류로 탈수시키는 단계, 및 (3) 탈수된 추출물로부터 증류로 1,3-디옥솔란을 분리하는 단계로 구성되며, 상기 방법으로 반응혼합물로부터 실질적으로 무수인 1,3-디옥솔란을 산업적으로 유리하게 고수율로 분리할 수 있다.The method for producing 1,3-dioxolane by reacting formaldehyde or formaldehyde-generating materials with ethylene glycol under acid catalysis comprises the steps of (1) reacting distillation from the formed reaction mixture in the presence of alkyl- Extracting 1,3-dioxolane from water, (2) dehydrating the resulting extract by distillation, and (3) separating 1,3-dioxolane from the dehydrated extract by distillation, In this way, the substantially anhydrous 1,3-dioxolane can be isolated from the reaction mixture in high yields industrially advantageously.

Description

1,3-디옥솔란의 제조 방법Method for producing 1,3-dioxolane

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

Claims (5)

포름알데히드 또는 포름알데히드 발생 물질과 에틸렌 글리콜을 산촉매하 반응시켜 1,3-디옥솔란을 제조하는 방법에 있어서, 하기의 단계로 구성되는 제조 방법 : (1) 추출제로 하기 화학식(1)의 알킬-치환 벤젠의 존재하, 형성된 반응 혼합물로부터 증류로 분리된 반응 증류물에서 1,3-디옥솔란을 추출하는 단계, (2) 생성된 추출물을 증류로 탈수시키는 단계, 및 (3) 탈수된 추출물로부터 증류로 1,3-디옥솔란을 분리하는 단계A process for producing 1,3-dioxolane by reacting formaldehyde or a formaldehyde generating material with ethylene glycol under acid catalysis, which process comprises the following steps: (1) Dioxolane in a reactive distillate separated from the formed reaction mixture in the presence of substituted benzene by distillation, (2) dehydrating the resulting extract by distillation, and (3) Separation of 1,3-dioxolane by distillation (식 중, R1은 탄소수 1 내지 4의 알킬기이고, R2내지 R5각각은 독립적으로 수소원자 또는 탄소수 1 내지 4의 알킬기이다).(Wherein R 1 is an alkyl group having 1 to 4 carbon atoms and each of R 2 to R 5 is independently a hydrogen atom or an alkyl group having 1 to 4 carbon atoms). 제1항에 있어서, 반응 증류물은 증류탑을 통해 반응 혼합물로부터 취출되는 제조 방법.The process according to claim 1, wherein the reactive distillate is withdrawn from the reaction mixture through a distillation column. 제1항 또는 제2항에 있어서, 반응 증류물을 농축탑에 공급하여 1,3-디옥솔란-수 공기 조성물인 1,3-디옥솔란을 형성시키고 이어서 조 1,3-디옥솔란을 추출 공정 처리하는 제조 방법.The process according to claim 1 or 2, wherein the reactive distillate is fed to a concentrating column to form a 1,3-dioxolane-water air composition 1,3-dioxolane, and then the crude 1,3- Lt; / RTI > 제1항 또는 제2항에 있어서, 알킬-치환은 벤젠은 톨루엔, o-크실렌, m-크실렌 및 p-크실렌으로 구성된 군으로부터 선택된 1종 이상인 제조 방법.3. The process according to claim 1 or 2, wherein the alkyl-substituted benzene is at least one selected from the group consisting of toluene, o-xylene, m-xylene and p-xylene. 제1항 또는 제2항에 있어서, 추출 공정에서 사용한 알킬-치환 벤젠의 양은 1,3-디옥솔란 1중량부에 대해 0.1 내지 10중량부인 제조 방법.The production method according to claim 1 or 2, wherein the amount of alkyl-substituted benzene used in the extraction step is 0.1 to 10 parts by weight based on 1 part by weight of 1,3-dioxolane. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960032355A 1995-08-03 1996-08-02 Manufacturing method of 1,3-dioxolane KR100485226B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7198649A JPH0948774A (en) 1995-08-03 1995-08-03 Production of 1,3-dioxolane
JP95-198649 1995-08-03

Publications (2)

Publication Number Publication Date
KR970010759A true KR970010759A (en) 1997-03-27
KR100485226B1 KR100485226B1 (en) 2005-12-26

Family

ID=16394733

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960032355A KR100485226B1 (en) 1995-08-03 1996-08-02 Manufacturing method of 1,3-dioxolane

Country Status (3)

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JP (1) JPH0948774A (en)
KR (1) KR100485226B1 (en)
CN (1) CN1128796C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102464645A (en) * 2010-11-16 2012-05-23 天津赛普泰克科技有限公司 Process for refining dioxolane through extractive distillation
CN102174033A (en) * 2011-03-07 2011-09-07 天津游龙科技发展有限公司 New method for preparing 1,3-dioxolane by catalytic condensation
CN102267972B (en) * 2011-06-15 2013-03-13 四川之江化工新材料有限公司 Method for producing 1,3-dioxolame based on reaction-separation coupling
CN102794185B (en) * 2012-08-28 2014-07-23 四川之江高新材料股份有限公司 Method, catalyst and device for prepareing 1,3-dioxolane
US11655229B2 (en) 2018-05-18 2023-05-23 Basf Se Process for preparing dioxolane
EP3793985B1 (en) * 2018-05-18 2022-10-12 Basf Se Process for preparing dioxolane
CN111978284A (en) * 2020-08-14 2020-11-24 中化学科学技术研究有限公司 Preparation process and preparation system of dioxolane

Also Published As

Publication number Publication date
CN1128796C (en) 2003-11-26
JPH0948774A (en) 1997-02-18
KR100485226B1 (en) 2005-12-26
CN1149055A (en) 1997-05-07

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