IT1155889B - Procedimento per preparare 5-(4-idrossi-fenil)-idantoina - Google Patents
Procedimento per preparare 5-(4-idrossi-fenil)-idantoinaInfo
- Publication number
- IT1155889B IT1155889B IT48455/78A IT4845578A IT1155889B IT 1155889 B IT1155889 B IT 1155889B IT 48455/78 A IT48455/78 A IT 48455/78A IT 4845578 A IT4845578 A IT 4845578A IT 1155889 B IT1155889 B IT 1155889B
- Authority
- IT
- Italy
- Prior art keywords
- idantoin
- fenyl
- hydroxy
- preparing
- procedure
- Prior art date
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3082477A JPS53116373A (en) | 1977-03-18 | 1977-03-18 | Preparation of 5-(4-hydroxyphenyl)hydantoin |
JP2130578A JPS54115376A (en) | 1978-02-25 | 1978-02-25 | Preparation of 5-(4-hydroxyphenyl)-hydantoin |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7848455A0 IT7848455A0 (it) | 1978-03-16 |
IT1155889B true IT1155889B (it) | 1987-01-28 |
Family
ID=26358344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48455/78A IT1155889B (it) | 1977-03-18 | 1978-03-16 | Procedimento per preparare 5-(4-idrossi-fenil)-idantoina |
Country Status (5)
Country | Link |
---|---|
US (1) | US4230869A (it) |
GB (1) | GB1572316A (it) |
IE (1) | IE46672B1 (it) |
IT (1) | IT1155889B (it) |
NL (1) | NL190117C (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU578068B2 (en) * | 1984-03-08 | 1988-10-13 | Nippon Zoki Pharmaceutical Co., Ltd. | Hydantoin derivatives and pharmaceutical compositions containing them |
AU6612990A (en) * | 1989-12-14 | 1991-07-18 | Hoechst Celanese Corporation | Production of 5-(4'-hydroxyphenyl)hydantoin and d-p-hydroxyphenylglycine from 4-hydroxyacetophenone |
JP2974742B2 (ja) * | 1990-09-04 | 1999-11-10 | 鐘淵化学工業株式会社 | 5―アリールヒダントインの製造方法 |
AT398199B (de) * | 1992-11-27 | 1994-10-25 | Chemie Linz Gmbh | Verfahren zur herstellung von arylhydantoinen |
CN101230123B (zh) * | 2007-12-28 | 2010-06-09 | 天津市职业大学 | 对羟基苯海因生产副产物综合利用方法 |
CN101973941B (zh) * | 2010-11-22 | 2012-11-28 | 天津市职业大学 | 一种制备对羟基苯海因的方法 |
CN107973753A (zh) * | 2017-11-27 | 2018-05-01 | 天津市职业大学 | 一种相转移催化合成对羟基苯海因的方法 |
CN111807877A (zh) * | 2020-07-09 | 2020-10-23 | 定陶三化药业有限公司 | 一种dl-对羟基苯海因及其硫酸脲/硫酸铵生产工艺 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2687416A (en) * | 1954-08-24 | Hydantoin compounds | ||
DE1518407A1 (de) * | 1965-03-27 | 1969-08-14 | Union Rheinische Braunkohlen | Verfahren zur Herstellung von vorwiegend o-Kresol enthaltenden Methylierungsprodukten des Phenols durch Methylierung von Phenol mit Methanol oder Dimethylaether |
US3860631A (en) * | 1973-12-06 | 1975-01-14 | Smithkline Corp | Process for the preparation of n-acyl-2- and 4-hydroxyphenylglycines |
-
1978
- 1978-03-13 IE IE504/78A patent/IE46672B1/en not_active IP Right Cessation
- 1978-03-16 US US05/887,132 patent/US4230869A/en not_active Expired - Lifetime
- 1978-03-16 IT IT48455/78A patent/IT1155889B/it active
- 1978-03-16 GB GB10440/78A patent/GB1572316A/en not_active Expired
- 1978-03-17 NL NLAANVRAGE7802960,A patent/NL190117C/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IT7848455A0 (it) | 1978-03-16 |
NL190117B (nl) | 1993-06-01 |
IE780504L (en) | 1978-09-18 |
NL7802960A (nl) | 1978-09-20 |
GB1572316A (en) | 1980-07-30 |
US4230869A (en) | 1980-10-28 |
NL190117C (nl) | 1993-11-01 |
IE46672B1 (en) | 1983-08-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970329 |