KR970042464A - Method for preparing naphthaquinone - Google Patents

Method for preparing naphthaquinone Download PDF

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Publication number
KR970042464A
KR970042464A KR1019950056790A KR19950056790A KR970042464A KR 970042464 A KR970042464 A KR 970042464A KR 1019950056790 A KR1019950056790 A KR 1019950056790A KR 19950056790 A KR19950056790 A KR 19950056790A KR 970042464 A KR970042464 A KR 970042464A
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KR
South Korea
Prior art keywords
naphthaquinone
producing
structural formula
following structural
represented
Prior art date
Application number
KR1019950056790A
Other languages
Korean (ko)
Inventor
정훈
Original Assignee
김준웅
주식회사 선경인더스트리
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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Application filed by 김준웅, 주식회사 선경인더스트리 filed Critical 김준웅
Priority to KR1019950056790A priority Critical patent/KR970042464A/en
Publication of KR970042464A publication Critical patent/KR970042464A/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

본 발명은 나프타퀴논의 제조방법에 관한 것으로서 더욱 상세하게는 다음 구조식(Ⅱ)로 표시되는 1,5-디하이드록시나프탈렌을 출발물질로 하고 이를 EPAD(상품명 : contract catalysts사 제품) 촉매 존재하에 산화반응시켜 방부제, 살균제, 구충제, 살충제 등으로 유용한 다음 구조식(Ⅰ)로 표시되는 5-하이드록시-1,4-나프타퀴논을 높은 제조수율과 높은 촉매 회수율로 제조하는 방법에 관한 것이다.The present invention relates to a method for producing naphthaquinone, and more particularly, 1,5-dihydroxynaphthalene represented by the following structural formula (II) as a starting material and oxidized in the presence of EPAD (trade name: product of contract catalysts) The present invention relates to a method for producing 5-hydroxy-1,4-naphthaquinone represented by the following structural formula (I), which is useful as an antiseptic, fungicide, insect repellent, insecticide, etc. with high production yield and high catalyst recovery rate.

(Ⅱ) (Ⅱ)

(Ⅰ) (Ⅰ)

Description

나프타퀴논의 제조방법Method for preparing naphthaquinone

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (2)

다음 구조식(Ⅱ)로 표시되는 1,5-디하이드록시나프탈렌을 산화반응시켜 다음 구조식(Ⅰ)로 표시되는 5-하이드록시-1,4-나프타퀴논을 제조하는 방법에 있어서, 상기 산화반응시 촉매로는 EPAD를 사용하는 것을 특징으로 하는 5-하이드록시-1,4-나프타퀴논의 제조방법.In the method for producing 5-hydroxy-1,4-naphthaquinone represented by the following structural formula (I) by oxidizing 1,5-dihydroxynaphthalene represented by the following structural formula (II), A process for producing 5-hydroxy-1,4-naphthaquinone, characterized in that EPAD is used as a catalyst. (Ⅱ) (Ⅱ) (Ⅰ) (Ⅰ) 제1항에 있어서, 상기 산화반응은 반응용액내로 공기를 불어 넣으면서 130∼150℃에서 진행되는 것을 특징으로 하는 5-하이드록시-1,4-나프타퀴논의 제조방법.The method of claim 1, wherein the oxidation reaction proceeds at 130 to 150 ° C while blowing air into the reaction solution.
KR1019950056790A 1995-12-26 1995-12-26 Method for preparing naphthaquinone KR970042464A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950056790A KR970042464A (en) 1995-12-26 1995-12-26 Method for preparing naphthaquinone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950056790A KR970042464A (en) 1995-12-26 1995-12-26 Method for preparing naphthaquinone

Publications (1)

Publication Number Publication Date
KR970042464A true KR970042464A (en) 1997-07-24

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Application Number Title Priority Date Filing Date
KR1019950056790A KR970042464A (en) 1995-12-26 1995-12-26 Method for preparing naphthaquinone

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51113858A (en) * 1975-03-28 1976-10-07 Kawasaki Kasei Chem Ltd Process for manufacturing naphthoquinone
US4035399A (en) * 1974-02-18 1977-07-12 Nihon Joryu Kogyo Co., Ltd. Process for the preparation of 1,4-naphthoquinone
JPS53135960A (en) * 1977-04-28 1978-11-28 Kawasaki Kasei Chem Ltd Preparation of 2-hydroxy-naphthoquinone
KR840001944A (en) * 1981-10-16 1984-06-07 원본미기재 Manufacturing method of naphthoquinones

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4035399A (en) * 1974-02-18 1977-07-12 Nihon Joryu Kogyo Co., Ltd. Process for the preparation of 1,4-naphthoquinone
JPS51113858A (en) * 1975-03-28 1976-10-07 Kawasaki Kasei Chem Ltd Process for manufacturing naphthoquinone
JPS53135960A (en) * 1977-04-28 1978-11-28 Kawasaki Kasei Chem Ltd Preparation of 2-hydroxy-naphthoquinone
KR840001944A (en) * 1981-10-16 1984-06-07 원본미기재 Manufacturing method of naphthoquinones

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