KR910015556A - Method for preparing 2-acetamido thiophene - Google Patents

Method for preparing 2-acetamido thiophene Download PDF

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Publication number
KR910015556A
KR910015556A KR1019900001596A KR900001596A KR910015556A KR 910015556 A KR910015556 A KR 910015556A KR 1019900001596 A KR1019900001596 A KR 1019900001596A KR 900001596 A KR900001596 A KR 900001596A KR 910015556 A KR910015556 A KR 910015556A
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KR
South Korea
Prior art keywords
thiophene
acetamido
preparing
base
tosylated
Prior art date
Application number
KR1019900001596A
Other languages
Korean (ko)
Other versions
KR920003172B1 (en
Inventor
공명도
손병기
한기종
Original Assignee
최근선
주식회사 럭 키
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Application filed by 최근선, 주식회사 럭 키 filed Critical 최근선
Priority to KR1019900001596A priority Critical patent/KR920003172B1/en
Publication of KR910015556A publication Critical patent/KR910015556A/en
Application granted granted Critical
Publication of KR920003172B1 publication Critical patent/KR920003172B1/en

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D307/52—Radicals substituted by nitrogen atoms not forming part of a nitro radical
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
    • C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D333/30—Hetero atoms other than halogen
    • C07D333/36—Nitrogen atoms

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

내용 없음No content

Description

2-아세트아미도 티오펜의 제조방법Method for preparing 2-acetamido thiophene

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

Claims (3)

2-아세트아미도 티오펜을 제조하는데 있어서, 다음 구조식(II)로 표시되는 (E) 또는 (E)/(Z)-2-아세틸 티오펜 토실화 옥심을 아세톤과 물의 혼합용매에 용해시킨 후, 여기에 소량의 염기를 첨가반응시켜서 되는 것임을 특징으로 하는 다음 구조식(I)로 표시되는 2-아세트아미도 티오펜의 제조방법.In preparing 2-acetamido thiophene, (E) or (E) / (Z) -2-acetyl thiophene tosylated oxime represented by the following structural formula (II) is dissolved in a mixed solvent of acetone and water. A method for producing 2-acetamido thiophene represented by the following structural formula (I), wherein a small amount of base is added thereto. 제1항에 있어서, 상기 염기는 탄산소다 또는 트리에틸아민임을 특징으로 하는 2-아세트아미도 티오펜의 제조방법.The method of claim 1, wherein the base is sodium carbonate or triethylamine. 제1항 또는 제2항에 있어서, 상기 염기는 (E) 또는 (E)/(Z)-2-아세틸 티오펜 토실화 옥심에 대하여 0.5 내지 1.0몰배를 사용하여서 됨을 특징으로 하는 2-아세트아미도티오펜의 제조방법.The 2-acetami according to claim 1 or 2, wherein the base is used at a molar ratio of 0.5 to 1.0 molar relative to (E) or (E) / (Z) -2-acetyl thiophene tosylated oxime. Method for preparing dothiophene. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900001596A 1990-02-09 1990-02-09 Process for preparing 2-acet amino tiophen KR920003172B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900001596A KR920003172B1 (en) 1990-02-09 1990-02-09 Process for preparing 2-acet amino tiophen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900001596A KR920003172B1 (en) 1990-02-09 1990-02-09 Process for preparing 2-acet amino tiophen

Publications (2)

Publication Number Publication Date
KR910015556A true KR910015556A (en) 1991-09-30
KR920003172B1 KR920003172B1 (en) 1992-04-23

Family

ID=19295954

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900001596A KR920003172B1 (en) 1990-02-09 1990-02-09 Process for preparing 2-acet amino tiophen

Country Status (1)

Country Link
KR (1) KR920003172B1 (en)

Also Published As

Publication number Publication date
KR920003172B1 (en) 1992-04-23

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