GB2012756A - Preparation of 5-arylhydantoins - Google Patents

Preparation of 5-arylhydantoins

Info

Publication number
GB2012756A
GB2012756A GB7850228A GB7850228A GB2012756A GB 2012756 A GB2012756 A GB 2012756A GB 7850228 A GB7850228 A GB 7850228A GB 7850228 A GB7850228 A GB 7850228A GB 2012756 A GB2012756 A GB 2012756A
Authority
GB
United Kingdom
Prior art keywords
arylhydantoins
preparation
alpha
aryl
disclosed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB7850228A
Other versions
GB2012756B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ajinomoto Co Inc
Original Assignee
Ajinomoto Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ajinomoto Co Inc filed Critical Ajinomoto Co Inc
Publication of GB2012756A publication Critical patent/GB2012756A/en
Application granted granted Critical
Publication of GB2012756B publication Critical patent/GB2012756B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07D233/76—Two oxygen atoms, e.g. hydantoin with substituted hydrocarbon radicals attached to the third ring carbon atom
    • C07D233/78—Radicals substituted by oxygen atoms

Landscapes

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

Abstract

A process is disclosed for the preparation of 5-arylhydantoins which comprises reacting an alpha -aryl- alpha - hydroxyacetic acid with urea under acidic conditions.
GB7850228A 1977-12-29 1978-12-29 Process for preparing 5-arylhydantoins Expired GB2012756B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15778377A JPS5492961A (en) 1977-12-29 1977-12-29 Production of 5-arylhydantoin

Publications (2)

Publication Number Publication Date
GB2012756A true GB2012756A (en) 1979-08-01
GB2012756B GB2012756B (en) 1982-06-30

Family

ID=15657192

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7850228A Expired GB2012756B (en) 1977-12-29 1978-12-29 Process for preparing 5-arylhydantoins

Country Status (2)

Country Link
JP (1) JPS5492961A (en)
GB (1) GB2012756B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4457939A (en) * 1982-11-01 1984-07-03 Pfizer Inc. Aldose reductase inhibiting 5-(2-alkoxy-3-substituted phenyl)hydantoins
EP0112620A1 (en) * 1982-11-01 1984-07-04 Pfizer Inc. 5-(Substituted phenyl) hydantoins
FR2655041A1 (en) * 1989-11-29 1991-05-31 Etilo Derivados PROCESS FOR THE PREPARATION OF 5- (4-HYDROXYPHENYL) HYDANTOUINE
EP0474112A1 (en) * 1990-09-04 1992-03-11 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Process for preparing 5-arylhydantoin
US5436256A (en) * 1992-11-27 1995-07-25 Chemie Linz Gesellschaft M.B.H. Process for the preparation of arylhydantoins
US6235910B1 (en) 1998-09-22 2001-05-22 Degussa-Huls Ag Process for the preparation of imidazolidine-2, 4-diones

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53116373A (en) * 1977-03-18 1978-10-11 Kanegafuchi Chem Ind Co Ltd Preparation of 5-(4-hydroxyphenyl)hydantoin

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4457939A (en) * 1982-11-01 1984-07-03 Pfizer Inc. Aldose reductase inhibiting 5-(2-alkoxy-3-substituted phenyl)hydantoins
EP0112620A1 (en) * 1982-11-01 1984-07-04 Pfizer Inc. 5-(Substituted phenyl) hydantoins
FR2655041A1 (en) * 1989-11-29 1991-05-31 Etilo Derivados PROCESS FOR THE PREPARATION OF 5- (4-HYDROXYPHENYL) HYDANTOUINE
DE4037368A1 (en) * 1989-11-29 1991-06-06 Etilo Derivados METHOD FOR PRODUCING 5- (4-HYDROXYPHENYL) -HYDANTOIN
EP0474112A1 (en) * 1990-09-04 1992-03-11 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Process for preparing 5-arylhydantoin
US5436256A (en) * 1992-11-27 1995-07-25 Chemie Linz Gesellschaft M.B.H. Process for the preparation of arylhydantoins
US6235910B1 (en) 1998-09-22 2001-05-22 Degussa-Huls Ag Process for the preparation of imidazolidine-2, 4-diones

Also Published As

Publication number Publication date
JPS5492961A (en) 1979-07-23
GB2012756B (en) 1982-06-30
JPS5757033B2 (en) 1982-12-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee