KR910006211A - Method for preparing 4,4'-methylene bisaniline and its derivatives - Google Patents

Method for preparing 4,4'-methylene bisaniline and its derivatives Download PDF

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Publication number
KR910006211A
KR910006211A KR1019890012860A KR890012860A KR910006211A KR 910006211 A KR910006211 A KR 910006211A KR 1019890012860 A KR1019890012860 A KR 1019890012860A KR 890012860 A KR890012860 A KR 890012860A KR 910006211 A KR910006211 A KR 910006211A
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KR
South Korea
Prior art keywords
antimony
derivatives
aniline
methylene
producing
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Application number
KR1019890012860A
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Korean (ko)
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KR910009233B1 (en
Inventor
김하원
박남규
Original Assignee
하기주
주식회사 코오롱
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Priority to KR1019890012860A priority Critical patent/KR910009233B1/en
Publication of KR910006211A publication Critical patent/KR910006211A/en
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Publication of KR910009233B1 publication Critical patent/KR910009233B1/en

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton

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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)

Abstract

내용 없음.No content.

Description

4,4′-메틸렌 비스아닐린과 그 유도체의 제조방법Method for preparing 4,4′-methylene bisaniline and its derivatives

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (5)

아닐린 또는 그의 유도체와 포름알데히드를 반응시켜서 4,4′-메틸렌 비스아닐린 또는 그의 유도체를 제조함에 있어서, 염산용액중에서 촉매로서 안티몬 또는 안티몬화합물을 사용하여 아닐린 또는 그의 유도체와 포름알데히드를 50 내지 80℃의 온도로 반응시킨 후 가성소다 수용액으로 처리하여서 됨을 특징으로 하는 4,4′-메틸렌 비스아닐린과 그 유도체의 제조방법.In preparing 4,4'-methylene bisaniline or a derivative thereof by reacting aniline or a derivative thereof with formaldehyde, aniline or a derivative thereof and formaldehyde are reacted with an antimony or antimony compound as a catalyst in hydrochloric acid solution at 50 to 80 ° C. Method of producing a 4,4'- methylene bis aniline and its derivatives characterized in that the reaction with a solution of caustic soda after the reaction at a temperature of. 제1항에 있어서, 상기 포름알데히드는 상기 아닐린 또는 그의 유도체에 대하여 0.4 내지 0.7몰배의 양으로 반응시켜서 됨을 특징으로 하는 4,4′-메틸렌 비스아닐린과 그 유도체의 제조방법.The method for producing 4,4'-methylene bisaniline and its derivatives according to claim 1, wherein the formaldehyde is reacted in an amount of 0.4 to 0.7 molar times with respect to the aniline or its derivatives. 제1항에 있어서, 상기 안티몬 또는 안티몬화합물은 상기 아닐린 또는 그의 유도체에 대하여 0.1 내지 2중량%의 양으로 사용하며, 이때, 안티몬화합물로서는 안티몬트리술파이드, 안티몬펜타술파이드, 안티몬트리옥사이드 또는 안티몬펜타옥사이드를 사용하여서 됨을 특징으로 하는 4,4′-메틸렌 비스아닐린과 그 유도체의 제조방법.According to claim 1, wherein the antimony or antimony compound is used in an amount of 0.1 to 2% by weight based on the aniline or derivatives thereof, wherein the antimony compound is antimony trisulfide, antimony pentasulphide, antimony trioxide or antimony Method for producing 4,4'-methylene bisaniline and its derivatives, characterized in that the pentaoxide is used. 제1항에 있어서, 가성소다 수용액으로 처리한 후 반응용액의 pH가 8 내지 11이 되도록 하여 토출시켜서 됨을 특징으로 하는 4,4′-메틸렌 비스아닐린과 그의 유도체의 제조방법.The method for producing 4,4'-methylene bisaniline and its derivatives according to claim 1, wherein the solution is discharged after treatment with an aqueous solution of caustic soda so that the pH of the reaction solution is 8-11. 제1항에 있어서, 상기 반응은 0.5 내지 2시간동안 실시하여서 됨을 특징으로 하는 4,4′-에틸렌 비스아닐린과 그 유도체의 제조방법.The method for preparing 4,4'-ethylene bis aniline and its derivatives according to claim 1, wherein the reaction is carried out for 0.5 to 2 hours. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890012860A 1989-09-06 1989-09-06 Process for the preparation of 4,4-methylene bis aniline KR910009233B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890012860A KR910009233B1 (en) 1989-09-06 1989-09-06 Process for the preparation of 4,4-methylene bis aniline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890012860A KR910009233B1 (en) 1989-09-06 1989-09-06 Process for the preparation of 4,4-methylene bis aniline

Publications (2)

Publication Number Publication Date
KR910006211A true KR910006211A (en) 1991-04-27
KR910009233B1 KR910009233B1 (en) 1991-11-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890012860A KR910009233B1 (en) 1989-09-06 1989-09-06 Process for the preparation of 4,4-methylene bis aniline

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KR910009233B1 (en) 1991-11-07

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