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KR830005230A - N, N-dimethyl-carbamic acid-0- (4,6-dihydro-2H-thieno- [3,4-C] pyrazol-3-yl) esters and their 5-oxides and 5,5-dioxides Manufacturing Method - Google Patents

N, N-dimethyl-carbamic acid-0- (4,6-dihydro-2H-thieno- [3,4-C] pyrazol-3-yl) esters and their 5-oxides and 5,5-dioxides Manufacturing Method Download PDF

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Publication number
KR830005230A
KR830005230A KR1019810000274A KR810000274A KR830005230A KR 830005230 A KR830005230 A KR 830005230A KR 1019810000274 A KR1019810000274 A KR 1019810000274A KR 810000274 A KR810000274 A KR 810000274A KR 830005230 A KR830005230 A KR 830005230A
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KR
South Korea
Prior art keywords
formula
thieno
dihydro
pyrazol
dimethyl
Prior art date
Application number
KR1019810000274A
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Korean (ko)
Inventor
마우러 프리쯔
함만 인게보르크
호메이어 베른하르트
Original Assignee
요아힘 그램, 루디 마이어
바이엘 아크티엔 게젤샤프트
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Application filed by 요아힘 그램, 루디 마이어, 바이엘 아크티엔 게젤샤프트 filed Critical 요아힘 그램, 루디 마이어
Priority to KR1019810000274A priority Critical patent/KR830005230A/en
Publication of KR830005230A publication Critical patent/KR830005230A/en

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  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)

Abstract

내용 없음No content

Description

N,N-디메틸-카밤산-0-(4,6-디하이드로-2H-티에노-[3,4-C] 피라졸-3-일) 에스테르와 그의 5-옥사이드 및 5,5-디옥사이드의 제조방법N, N-dimethyl-carbamic acid-0- (4,6-dihydro-2H-thieno- [3,4-C] pyrazol-3-yl) esters and their 5-oxides and 5,5-dioxides Manufacturing Method

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

Claims (2)

일반식(Ⅱ)의 4,6-디하이드로-2H-티에노[3,4-C]-3-하이드록시-피라졸 또는 그의 5-옥사이드나 5,5-디옥사이드를 카바모일화시키거나, n이 1 또는 2를 나타내는 구조식(Ⅰ) 화합물을 제조하기 위해서는 n이 0를 나타내는 구조식(Ⅰ) 화합물을 산화시킴을 특징으로 하여 일반식(Ⅰ)의 N,N-디메틸-카밤산 0-(4,6-디하이드로-2H-티에노-[3,4-C] 피라졸-3-일) 에스테르 또는 그의 5-옥사이드 나 5,5-디옥사이드를 제조하는 방법.Carbamoylated 4,6-dihydro-2H-thieno [3,4-C] -3-hydroxy-pyrazole of formula (II) or 5-oxide or 5,5-dioxide thereof, or In order to prepare a compound of formula (I) wherein n represents 1 or 2, N, N-dimethyl-carbamic acid of formula (I) is characterized by oxidizing a compound of formula (I) wherein n represents 0. 4,6-dihydro-2H-thieno- [3,4-C] pyrazol-3-yl) ester or 5-oxide or 5,5-dioxide thereof. 상기 구조식중In the above structural formula R은 임의 치환된 알킬, 알케닐, 알키닐, 사이클로알킬, 아랄킬 또는 아릴잔기를 나타내며,R represents optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or aryl residues, n은 0,1 또는 2를 나타낸다.n represents 0, 1 or 2. 일반식(Ⅲ)의 4-옥소-테트라하이드로-티오펜-3-카복실산 에스테르를 일반식(Ⅳ)의 하이드라진 유도체와 적절하게는 산 수용체 존재하에 및 적절하게는 희석제를 사용하여 반응시키고, 필요하다면 생성물을 산화시킴을 특징으로 하여 일반식(Ⅱ)의 4,6-디하이드로-2H-티에노[3,4-C]-3-하이드록시-피라졸과 그의 5-옥사이드 및 5,5-디옥사이드를 제조하는 방법.4-oxo-tetrahydro-thiophene-3-carboxylic acid ester of general formula (III) is reacted with a hydrazine derivative of general formula (IV) in the presence of an acid acceptor and suitably using a diluent, if necessary 4,6-dihydro-2H-thieno [3,4-C] -3-hydroxy-pyrazole of formula (II) and its 5-oxide and 5,5- characterized by oxidizing the product Method for preparing the dioxide. 상기 구조식중In the above structural formula R은 임의 치환된 알킬, 알케닐, 알키닐, 사이클로알킬, 아랄킬 또는 아릴 잔기를 나타내고,R represents an optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or aryl moiety, n은 0,1 또는 2를 나타내며,n represents 0,1 or 2, R1은 탄소수 1 내지 4의 알킬을 나타낸다.R 1 represents alkyl having 1 to 4 carbon atoms. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019810000274A 1981-01-29 1981-01-29 N, N-dimethyl-carbamic acid-0- (4,6-dihydro-2H-thieno- [3,4-C] pyrazol-3-yl) esters and their 5-oxides and 5,5-dioxides Manufacturing Method KR830005230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019810000274A KR830005230A (en) 1981-01-29 1981-01-29 N, N-dimethyl-carbamic acid-0- (4,6-dihydro-2H-thieno- [3,4-C] pyrazol-3-yl) esters and their 5-oxides and 5,5-dioxides Manufacturing Method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019810000274A KR830005230A (en) 1981-01-29 1981-01-29 N, N-dimethyl-carbamic acid-0- (4,6-dihydro-2H-thieno- [3,4-C] pyrazol-3-yl) esters and their 5-oxides and 5,5-dioxides Manufacturing Method

Publications (1)

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KR830005230A true KR830005230A (en) 1983-08-03

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KR1019810000274A KR830005230A (en) 1981-01-29 1981-01-29 N, N-dimethyl-carbamic acid-0- (4,6-dihydro-2H-thieno- [3,4-C] pyrazol-3-yl) esters and their 5-oxides and 5,5-dioxides Manufacturing Method

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