KR830005174A - Method for preparing 4-hydroxy-1,2-benzoisothiazol-3 (2H) -one-1,1-dioxide - Google Patents

Method for preparing 4-hydroxy-1,2-benzoisothiazol-3 (2H) -one-1,1-dioxide Download PDF

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KR830005174A
KR830005174A KR1019810000930A KR810000930A KR830005174A KR 830005174 A KR830005174 A KR 830005174A KR 1019810000930 A KR1019810000930 A KR 1019810000930A KR 810000930 A KR810000930 A KR 810000930A KR 830005174 A KR830005174 A KR 830005174A
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South Korea
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group
alkoxy
hydrogen
alkyl
ether
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KR1019810000930A
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Korean (ko)
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KR850000213B1 (en
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트럼리즈 균터
에버레인 울프강
엔겔 울프하르트
슈미트 균터
Original Assignee
에베르 하르트 쿠터, 요한네즈 케크
닥터 칼 토매 게젤샤프트 미트 베슈렝크더 하프퉁
요한네즈 케크
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Priority to KR1019810000930A priority Critical patent/KR850000213B1/en
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D275/00Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings
    • C07D275/04Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems
    • C07D275/06Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems with hetero atoms directly attached to the ring sulfur atom

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Thiazole And Isothizaole Compounds (AREA)

Abstract

내용 없음No content

Description

4-하이드록시-1,2-벤조이소티아졸-3(2H)-온-1,1-디옥사이드의 제조방법Method for preparing 4-hydroxy-1,2-benzoisothiazol-3 (2H) -one-1,1-dioxide

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

Claims (1)

다음 구조식(Ⅱ)의 3-아미노-1,2-벤조이소티아졸-1,1-디옥사이드를 50℃내지 용액의 비점에서 수용액 존재하에 염기로 검화시키고 R2가 알킬 또는 아르알킬그룹이고/이거나 R21이 알콕시 또는 아르알콕시 그룹일 경우 수득된 생성물에서 에테르를 분열시키거나, 다음 구조식(Ⅲ)의-설파모일-'-알콕시(또는'-아르알콕시)-톨루엔을 통상의 산화제로 산화시키고 수득된 생성물에서 에테르를 분열시키거나, 다음 구조식(Ⅳ)의 1,2-벤조이소티아졸-3(2H)-온-1,1-디옥사이드에서 R4기를 하이드록시기로 친핵치환(이때 디아조늄 양이온의 치환은 산성수용액 존재하에 용액의 비점에서 수행하고 다른 치환성 그룹의 치환은 촉매, 염기 및 물 존재하에 120내지 200℃에서 수행한다)시키기 R31이 알콕시 또는 아르알콕시그룹일 경우 수득된생성물로부터 에테르를 분열시키거나, 다음 구조식(Ⅴ)의 2-설파모일-3-카본산 유도체를 산존재하에 0°내지 100℃에서, 산부재하에 100°내지 250℃에서, 임의로 염기 존재하에, 폐환시키고 R2가 알킬 또는 아르 알킬그룹이고/이거나 R21이 알콕시 또는 아르알콕시 그룹일 경우 수득된 생성물로부터 에테르를 분열시킴을 특징으로하여 다음 구조식(Ⅰ)의 화합물 및 이의 생리학적으로 무독한 염을 제조하는 방법.3-amino-1,2-benzoisothiazole-1,1-dioxide of the following formula (II) is saponified with a base in the presence of an aqueous solution at a boiling point of 50 ° C. to a solution and R 2 is an alkyl or aralkyl group When R 21 is an alkoxy or aralkoxy group, the ether is cleaved in the product obtained, or Sulfa Mole '-Alkoxy (or '-Aralkoxy) -toluene is oxidized with a conventional oxidizing agent and the ether is cleaved from the product obtained, or 1,2-benzoisothiazol-3 (2H) -one-1,1- of formula (IV) Nucleophilic substitution of the R 4 group in the hydroxyl group with a hydroxyl group, wherein the substitution of the diazonium cation is carried out at the boiling point of the solution in the presence of an acidic solution and the substitution of the other substitutable groups is carried out at 120 to 200 ° C. in the presence of catalyst, base and water. When R 31 is an alkoxy or alkoxy group, the ether is cleaved from the obtained product, or the acid of 2-sulfamoyl-3-carboxylic acid derivative of the following formula (V) is in the presence of acid at 0 ° At 100 ° to 250 ° C., optionally in the presence of a base, ring closure and cleaving the ether from the product obtained when R 2 is an alkyl or aralkyl group and / or R 21 is an alkoxy or alkoxy group A process for preparing compounds of formula (I) and physiologically toxic salts thereof. 상기 구조식에서In the above structural formula R1은 수소 또는 하이드록시 그룹이고R 1 is hydrogen or a hydroxy group R2는 수소, 알킬 또는 아르알킬 그룹이고R 2 is a hydrogen, alkyl or aralkyl group R21은 수소, 하이드록시, 알콕시 또는 아르알콕시그룹이고R 21 is hydrogen, hydroxy, alkoxy or aralkoxy group R3는 알킬 또는 아르알킬 그룹이고R 3 is an alkyl or aralkyl group R31은 수소, 알콕시 또는 아르알콕시그룹이고R 31 is hydrogen, alkoxy or aralkoxy group R4는 친핵치환성 그룹이고R 4 is a nucleophilic group R5는 하이드록시, 탄소수 1내지 10의 알콕시, 아릴옥시(여기서 아릴은 페닐 또는 나프틸을 나타냄), 알킬렌 부위가 탄소수 1내지 3인 나프틸알콕시 또는 페닐, 할로겐, 또는 기타 친핵치환성으로 알려진 그룹을 나타내고R 5 is hydroxy, alkoxy having 1 to 10 carbon atoms, aryloxy (where aryl represents phenyl or naphthyl), naphthylalkoxy having 1 to 3 carbon atoms in alkylene or phenyl, halogen, or other nucleophilic Represents a known group R6는 수소 또는 탄소수 4내지 19의 3급 알킬기이다.R 6 is hydrogen or a tertiary alkyl group having 4 to 19 carbon atoms. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019810000930A 1981-03-20 1981-03-20 Process for preparing 4-hydroxy-1,2-benzeoisothiazole-3(2h)-one-1,1-dioxides KR850000213B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019810000930A KR850000213B1 (en) 1981-03-20 1981-03-20 Process for preparing 4-hydroxy-1,2-benzeoisothiazole-3(2h)-one-1,1-dioxides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019810000930A KR850000213B1 (en) 1981-03-20 1981-03-20 Process for preparing 4-hydroxy-1,2-benzeoisothiazole-3(2h)-one-1,1-dioxides

Publications (2)

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KR830005174A true KR830005174A (en) 1983-08-03
KR850000213B1 KR850000213B1 (en) 1985-03-06

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