KR830001189A - Method for producing dimethylformamide - Google Patents

Method for producing dimethylformamide Download PDF

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Publication number
KR830001189A
KR830001189A KR1019790004644A KR790004644A KR830001189A KR 830001189 A KR830001189 A KR 830001189A KR 1019790004644 A KR1019790004644 A KR 1019790004644A KR 790004644 A KR790004644 A KR 790004644A KR 830001189 A KR830001189 A KR 830001189A
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KR
South Korea
Prior art keywords
dimethylformamide
trimethylamine
ammonia
producing
dimethylamine
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Application number
KR1019790004644A
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Korean (ko)
Other versions
KR840000762B1 (en
Inventor
다께유끼 후지다
마사루 스또
가주모또 오구라
Original Assignee
하고오까 이사무
닛또 가가꾸 고오교 가부시끼 가이샤
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Priority to KR7904644A priority Critical patent/KR840000762B1/en
Publication of KR830001189A publication Critical patent/KR830001189A/en
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Publication of KR840000762B1 publication Critical patent/KR840000762B1/en

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/04—Preparation of carboxylic acid amides from ketenes by reaction with ammonia or amines

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

내용 없음No content

Description

디메틸포름 아미드의 제조방법Method for producing dimethylformamide

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음This content is subject to disclosure, so the full text is not included.

제1도는 본 발명의 방법을 수행하기 위한 제조공정의 한실시예를 표시하는 설명도이다.1 is an explanatory diagram showing an embodiment of a manufacturing process for carrying out the method of the present invention.

Claims (2)

메탄올과 암모니아로부터 에틸아민을 합성하고 다음에 이 메틸아민과 일산화탄소에서 디메틸포름아미드를 제조하는데 있어서 원료의 메틸아민으로서 디메틸아민과 트리메틸아민의 혼합물을 사용하는 것을 특징으로 하는 디메틸포름아미드의 제조방법.A method for producing dimethylformamide, characterized in that a mixture of dimethylamine and trimethylamine is used as a raw material methylamine in synthesizing ethylamine from methanol and ammonia and then preparing dimethylformamide from this methylamine and carbon monoxide. 디메틸아민과 트리메틸아민의 혼합물이 메탄올과 암모니아와의 반응에 의하여 얻어진 반응생성물을 제1의 증류탑에 공급하고 그정부에서 암모니아와 모노메틸아민을 각각 트리메틸아민과의 공비조성물로서 동시에 제거하고 그 탑저물을 제2의 증류탑에서 탈수하여 얻어진 것이라는 특허청구의 범위 제1항 기재의 디메틸포름아미드의 제조방법.The reaction product obtained by the reaction of a mixture of dimethylamine and trimethylamine with methanol and ammonia is supplied to the first distillation column, and ammonia and monomethylamine are simultaneously removed as an azeotrope composition with trimethylamine at the top thereof, The method for producing dimethylformamide according to claim 1, which is obtained by dehydration in a second distillation column. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed according to the contents of the initial application.
KR7904644A 1979-12-26 1979-12-26 Process for the preparation of dimethyl formamide KR840000762B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR7904644A KR840000762B1 (en) 1979-12-26 1979-12-26 Process for the preparation of dimethyl formamide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR7904644A KR840000762B1 (en) 1979-12-26 1979-12-26 Process for the preparation of dimethyl formamide

Publications (2)

Publication Number Publication Date
KR830001189A true KR830001189A (en) 1983-04-29
KR840000762B1 KR840000762B1 (en) 1984-06-08

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ID=19214024

Family Applications (1)

Application Number Title Priority Date Filing Date
KR7904644A KR840000762B1 (en) 1979-12-26 1979-12-26 Process for the preparation of dimethyl formamide

Country Status (1)

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KR (1) KR840000762B1 (en)

Also Published As

Publication number Publication date
KR840000762B1 (en) 1984-06-08

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