KR970042464A - Method for preparing naphthaquinone - Google Patents

Method for preparing naphthaquinone Download PDF

Info

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
Authority
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.)
Filing date
Publication date
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

Links

Landscapes

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

Family

ID=66618192

Family Applications (1)

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

Country Status (1)

Country Link
KR (1) KR970042464A (en)

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

Similar Documents

Publication Publication Date Title
KR940009142A (en) Methylsulfonylbenzoic acid production method
AU5211686A (en) Pyrazolesulfonamide derivative, process for its production and herbicide containing it
KR970042464A (en) Method for preparing naphthaquinone
FI932126A (en) PROCEDURE FOR FRAMSTATION OF AV 2-CHLORO-5-CHLORMETHYLPYRIDINE
KR950032050A (en) Preparation of O-Chloromethylbenzoyl Chloride
DE69408054T2 (en) Process for the production of pentafluoroethane
DE60021481D1 (en) A process for the preparation of N-alk (en) oxy or N-aryloxycarbonyl isothiocyanates and their derivatives in the presence of an N, N-dialkyl-arylamine as a catalyst
ATE13674T1 (en) PROCESS FOR PREPARING ALPHA-DICYANOTRIMETHYL-SILYLOXY COMPOUNDS (I).
KR880012512A (en) Method for preparing 4,4'-biphenol and method for preparing the precursor and precursor thereof
KR900018032A (en) Method for preparing 2,3-dichloro-5-acetylpyridine
KR870003115A (en) Method of preparing cotarin
KR910006234A (en) Method for preparing 3-methylquinoline-8-carboxylic acid
KR920006306A (en) Method for preparing 4-methylsulfonyl benzoic acid derivative and intermediate compound thereof
KR910009635A (en) Glutaric acid derivatives and processes for their preparation
KR970042467A (en) Method for preparing 2, 4, 6-trimethylbenzoic acid
CA2310985A1 (en) Process for manufacture of n-alkoxy (or aryloxy)carbonyl isothiocyanate derivatives in the presence of n,n-dialkylarylamine catalyst and aqueous solvent
KR930021618A (en) Method for preparing 2-amino-5-methyl-pyridine
FR2432010A1 (en) Meta-phenoxy-benzaldehyde prepn. - from 1-bromo-3-dioxolanyl-benzene and phenol
RU92010801A (en) METHOD OF OBTAINING N-CARBETOXYMETILPYRROLIDONE-2
GB1456406A (en) Production of 4-mm-ditert-butyl-p-hydroxy-phenyl-butan-2-ones
KR970061866A (en) Method for producing 3-nitro-9-ethylcarbazole using acetonitrile as a solvent
KR870010778A (en) Manufacturing method of pyrethroid insecticide
KR920009813A (en) Method for preparing 1- {2-[(5-dimethylaminomethyl-2-furyl) -methylthio] -ethyl} -amino-1-methylamino-2-nitroethylene
JPS6447763A (en) Production of dichloroindoleacetic acid derivative
KR970061880A (en) Method for preparing 2-sulfonylthiazole carboxylic acid derivative

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application