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Применить Всего найдено 7. Отображено 7.
11-05-2017 дата публикации

피라졸 카르복실산 유도체의 제조방법

Номер: KR0101730393B1
Автор: 안경욱, 김종남, 노동원, 서난영, 김신애, 위승한, 박현정
Принадлежит: (주)부흥산업사

... 본 발명은 피라졸 카르복실산 유도체의 제조방법에 관한 것으로, 좀더 상세하게 설명하자면, 특히 피라졸 카복스아닐리드 계열 살균제의 제조 중간체로 유용한 다음 화학식(I)의 1-알킬-3-할로알킬 피라졸-4-카르복실산(1-alkyl-3-haloalkyl pyrazole-4-carboxylic acid)의 새로운 제조방법에 관한 것이다. [ 화학식(I) ] 상기 화학식(I)에서, R1은 C1 ~ C3의 저급 알킬기이고, R2는 CHF₂, CF₃, CHCl₂, CCl₃중 어느 하나이다.

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Номер записи: 1
17-10-2016 дата публикации

NOVEL METHOD FOR PREPARING 4,4-DIFLUORO-((2-DIALKYLAMINO) METHYLENE)-3-OXOBUTANIC ACID ALKYL ESTER

Номер: KR1020160120009A
Автор: AHN, KYUNG WOOK, KIM, JONG NAM, WANG, KYU JUNG, ROH, DONG WON, SEO, NAN YOUNG, KIM, SHIN AE, WI, SEUNG HAN
Принадлежит:

The present invention relates to a novel method for preparing 4,4-difluoro-((2-dialkylamino) methylene)-3-oxobutanic acid alkyl ester which is represented by the following chemical formula ( I ) and useful as a manufacturing intermediate for fungicides such as isopyrazam, sedaxane, bixafen and the like. In the formula ( I ), R 1 and R 2 are each a C 1 to C 4 alkyl group, and R is a methyl group or an ethyl group. The compound of the formula ( I ) is produced by reacting dialkylformamide dialkyl acetal with a difluoro ketoester. COPYRIGHT KIPO 2016 ...

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Номер записи: 2
15-02-2017 дата публикации

METHOD FOR PREPARING PYRAZOLE CARBOXYLIC ACID DERIVATIVE

Номер: KR1020170017372A
Автор: AHN, KYUNG WOOK, KIM, JONG NAM, ROH, DONG WON, SEO, NAN YOUNG, KIM, SHIN AE, WI, SEUNG HAN, PARK, HYUN JUNG
Принадлежит:

The present invention relates to a method for preparing a pyrazole carboxylic acid derivative. More particularly, the present invention relates to a novel method for preparing 1-alkyl-3-haloalkyl pyrazole-4-carboxylic acid represented by chemical formula (I) and useful for an intermediate for the preparation of a pyrazole carboxanilide-based sterilizing agent. In chemical formula (I), R_1 represents a C1-C3 lower alkyl group, R_2 represents any one of CHF_2, CF_3, CHCl_2 and CCl_2. COPYRIGHT KIPO 2017 ...

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Номер записи: 3
05-09-2017 дата публикации

유기 전계발광 소자용 방향족 트리아진 유도체의 제조방법

Номер: KR0101774900B1
Автор: 안경욱, 김종남, 왕규정, 노동원, 서난영
Принадлежит: (주)부흥산업사

... 본 발명은 신규의 유기 전계발광 소자용 방향족 트리아진 유도체의 제조방법에 관한 것으로, 좀 더 자세하게 설명하자면 유기 전계발광 소자의 정공주입 재료나 정공수송 재료 및 전자주입 재료로 사용 가능하고, 특히 전자수송 재료로 사용하기에 유용한 다음 [화학식 1]의 방향족 트리아진 유도체의 제조방법에 관한 것이다.[ 화학식 1 ] 상기 [화학식 1] 에서, 치환기 R1은 ‘퀴놀린’ 또는 ‘3-(나프탈렌-8-일)피리딘’이고, R2는 ‘9,10-디(나프탈렌-2-일)안트라센’ 또는 ‘9,10-디페닐안트라센’ 이다.

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Номер записи: 4
25-10-2017 дата публикации

METHOD FOR PREPARING PIRAZOLE CARBALDEHYDE COMPOUNDS

Номер: KR101789771B1
Автор: AHN, KYUNG WOOK, KIM, JONG NAM, ROH, DONG WON, SEO, NAN YOUNG
Принадлежит: POOHUNG PHOTO-CHEMICAL CO., LTD.

The present invention relates to a method for preparing pirazole carbaldehyde compounds and, more specifically, to a novel method for preparing 3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carbaldehyde and 3-(trifluoromethyl)-1-methyl-1-H-pyrazole-4-carbaldehyde which are useful as intermediates for producing pyrazole carboxanilide disinfectants such as isopyrazam, sedaxane, bixafen, etc. According to the present invention, production costs of pyrazole carboxanilide disinfectants can be reduced. COPYRIGHT KIPO 2017 ...

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Номер записи: 5
06-10-2016 дата публикации

NOVEL AROMATIC TRIAZINE DERIVATIVES FOR ORGANIC ELECTROLUMINESCENT DEVICE AND PREPARATION INTERMEDIATE COMPOUND THEREOF

Номер: KR1020160114950A
Автор: AHN, KYUNG WOOK, KIM, JONG NAM, WANG, KYU JUNG, ROH, DONG WON, SEO, NAN YOUNG
Принадлежит:

The present invention relates to a novel aromatic triazine derivatives for an organic electroluminescent device and a preparation intermediate compound thereof, and more particularly, to a novel aromatic triazine derivatives for an organic electroluminescent device represented by the following Formula 1, usable as a hole injection material, a hole transport material, and an electron injection material of the organic electroluminescent device, in particular, as an electron transport material, and a preparation intermediate compound thereof. Here, substituent R1 is ′quinoline′ or ′3-(naphthalen-8-yl)pyridine′, and R2 is ′9,10-di (naphthalen-2-yl)anthracene′ or ′9,10-diphenylanthracene′. COPYRIGHT KIPO 2016 (AA) Device D (BB) Device E (CC) Device F (DD) Device G (EE) Device H (FF) Device I ...

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Номер записи: 6
12-09-2016 дата публикации

NOVEL AROMATIC AMINE DERIVATIVES FOR ORGANIC ELECTROLUMINESCENT DEVICE

Номер: KR1020160106238A
Автор: AHN, KYUNG WOOK, KIM, JONG NAM, ROH, DONG WON, SEO, NAN YOUNG
Принадлежит:

The present invention relates to novel aromatic amine derivatives for an organic electroluminescent device. More specifically, the present invention relates to novel aromatic amine derivatives suitable for use as a hole injection material or a hole transport material of the organic electroluminescent device. The aromatic amine derivatives for the organic electroluminescent device are represented by the chemical formula A. In the formula A, the substituents Ar_1, Ar_2, Ar_3, and Ar_4 respectively represent phenyl, diphenyl, fluorene, indole, diphenyl benzene amine, and diphenylethane groups, and R_1, R_2, R_3, and R_4 respectively represent methyl, ethyl, stilbene, diphenyl, pentahydro pentaindole, and carbazole groups. COPYRIGHT KIPO 2016 ...

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Номер записи: 7