KR920006324A - Method for preparing 5- (4-hydroxyphenyl) hydantoin - Google Patents

Method for preparing 5- (4-hydroxyphenyl) hydantoin Download PDF

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Publication number
KR920006324A
KR920006324A KR1019900015075A KR900015075A KR920006324A KR 920006324 A KR920006324 A KR 920006324A KR 1019900015075 A KR1019900015075 A KR 1019900015075A KR 900015075 A KR900015075 A KR 900015075A KR 920006324 A KR920006324 A KR 920006324A
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KR
South Korea
Prior art keywords
hydroxyphenyl
hydantoin
preparing
reaction
producing
Prior art date
Application number
KR1019900015075A
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Korean (ko)
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KR930002277B1 (en
Inventor
최창훈
오화섭
Original Assignee
오재덕
한국화약 주식회사
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Priority to KR1019900015075A priority Critical patent/KR930002277B1/en
Publication of KR920006324A publication Critical patent/KR920006324A/en
Application granted granted Critical
Publication of KR930002277B1 publication Critical patent/KR930002277B1/en

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members 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
    • C07D233/72—Two oxygen atoms, e.g. hydantoin

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

내용 없음.No content.

Description

5-(4-히드록시페닐)히단토인의 제조방법Method for preparing 5- (4-hydroxyphenyl) hydantoin

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

Claims (3)

글리옥실산, 요소 및 페놀을 수성용매 중에서 반응시켜 5-(4-히드록시페닐)히단토인을 제조함에 있어서, 반응을 양이온 교환수지 존재하에서 40℃ 이상으로 반응시킴을 특징으로 하는 5-(4-히드록시페닐)히단토인의 제조방법.In preparing 5- (4-hydroxyphenyl) hydantoin by reacting glyoxylic acid, urea and phenol in an aqueous solvent, 5- (4) characterized in that the reaction is carried out at 40 DEG C or higher in the presence of a cation exchange resin. -Hydroxyphenyl) hydantoin preparation method. 제1항에 있어서, 반응을 50 내지 95℃의 범위에서 행함을 특징으로 하는 5-(4-히드록시페닐)히단토인의 제조방법.The process for producing 5- (4-hydroxyphenyl) hydantoin according to claim 1, wherein the reaction is performed in a range of 50 to 95 ° C. 제1항에 있어서, 양이온 교환수지는 설포닐기가 도입된 것임을 특징으로 하는 5-(4-히드록시페닐)히단토인의 제조방법.The process for producing 5- (4-hydroxyphenyl) hydantoin according to claim 1, wherein the cation exchange resin is a sulfonyl group introduced. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900015075A 1990-09-22 1990-09-22 5-(4-hydroxyphenyl) hydantion KR930002277B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900015075A KR930002277B1 (en) 1990-09-22 1990-09-22 5-(4-hydroxyphenyl) hydantion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900015075A KR930002277B1 (en) 1990-09-22 1990-09-22 5-(4-hydroxyphenyl) hydantion

Publications (2)

Publication Number Publication Date
KR920006324A true KR920006324A (en) 1992-04-27
KR930002277B1 KR930002277B1 (en) 1993-03-27

Family

ID=19303929

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900015075A KR930002277B1 (en) 1990-09-22 1990-09-22 5-(4-hydroxyphenyl) hydantion

Country Status (1)

Country Link
KR (1) KR930002277B1 (en)

Also Published As

Publication number Publication date
KR930002277B1 (en) 1993-03-27

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