ES2895202R1 - Dl-hidroxifenil hidantoina y el consiguiente procedimiento de produccion de sulfato de urea/sulfato de amonio - Google Patents
Dl-hidroxifenil hidantoina y el consiguiente procedimiento de produccion de sulfato de urea/sulfato de amonioInfo
- Publication number
- ES2895202R1 ES2895202R1 ES202090071A ES202090071A ES2895202R1 ES 2895202 R1 ES2895202 R1 ES 2895202R1 ES 202090071 A ES202090071 A ES 202090071A ES 202090071 A ES202090071 A ES 202090071A ES 2895202 R1 ES2895202 R1 ES 2895202R1
- Authority
- ES
- Spain
- Prior art keywords
- sulfate
- consequent
- procedure
- production
- urea
- 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.)
- Pending
Links
- SSBRSHIQIANGKS-UHFFFAOYSA-N [amino(hydroxy)methylidene]azanium;hydrogen sulfate Chemical compound NC(N)=O.OS(O)(=O)=O SSBRSHIQIANGKS-UHFFFAOYSA-N 0.000 title 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 title 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 title 1
- 235000011130 ammonium sulphate Nutrition 0.000 title 1
- WJRBRSLFGCUECM-UHFFFAOYSA-N hydantoin Chemical compound O=C1CNC(=O)N1 WJRBRSLFGCUECM-UHFFFAOYSA-N 0.000 title 1
- 229940091173 hydantoin Drugs 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
- C01C1/242—Preparation from ammonia and sulfuric acid or sulfur trioxide
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C275/02—Salts; Complexes; Addition compounds
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010677883.5A CN111807877A (zh) | 2020-07-09 | 2020-07-09 | 一种dl-对羟基苯海因及其硫酸脲/硫酸铵生产工艺 |
| PCT/CN2020/128662 WO2022007288A1 (zh) | 2020-07-09 | 2020-11-13 | 一种dl-对羟基苯海因及其硫酸脲/硫酸铵生产工艺 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2895202A2 ES2895202A2 (es) | 2022-02-17 |
| ES2895202R1 true ES2895202R1 (es) | 2022-04-12 |
Family
ID=72864786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES202090071A Pending ES2895202R1 (es) | 2020-07-09 | 2020-11-13 | Dl-hidroxifenil hidantoina y el consiguiente procedimiento de produccion de sulfato de urea/sulfato de amonio |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN111807877A (es) |
| ES (1) | ES2895202R1 (es) |
| WO (1) | WO2022007288A1 (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112457256B (zh) * | 2020-11-20 | 2022-08-05 | 杭州新桂实业有限公司 | 一种dl-对羟基苯海因的制备方法 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54115376A (en) * | 1978-02-25 | 1979-09-07 | Kanegafuchi Chem Ind Co Ltd | Preparation of 5-(4-hydroxyphenyl)-hydantoin |
| US4230869A (en) * | 1977-03-18 | 1980-10-28 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Process for preparing 5-(4-hydroxyphenyl)hydantoin |
| CN1884144A (zh) * | 2006-06-29 | 2006-12-27 | 南京大学 | 一种对羟基苯海因生产中废水的处理方法 |
| CN101230123A (zh) * | 2007-12-28 | 2008-07-30 | 天津市职业大学 | 对羟基苯海因生产副产物综合利用方法 |
| CN107759754A (zh) * | 2017-10-29 | 2018-03-06 | 天津市职业大学 | 利用对羟基苯海因生产废渣制备海因甲醛树脂的方法 |
| CN109867391A (zh) * | 2017-12-03 | 2019-06-11 | 天津市职业大学 | 对羟基苯海因生产高浓度强酸性含酚废液的预处理方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382060A (zh) * | 2010-08-31 | 2012-03-21 | 河南新天地药业股份有限公司 | 一种合成dl-对羟基苯海因的方法 |
| CN102826673B (zh) * | 2011-06-15 | 2016-01-06 | 浙江龙盛集团股份有限公司 | 一种染料工业酸性废水的清洁处理方法 |
| CN106083629A (zh) * | 2016-06-14 | 2016-11-09 | 安徽赛诺制药有限公司 | 对羟基苯甘氨酸的制备方法 |
| CN107089930A (zh) * | 2017-05-05 | 2017-08-25 | 四川大学 | 尿素硫酸反应耦合萃取分离处理废硫酸的方法 |
| CN110981811A (zh) * | 2019-11-29 | 2020-04-10 | 合肥利夫生物科技有限公司 | 一种对羟基苯海因的制备方法 |
| 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 |
-
2020
- 2020-07-09 CN CN202010677883.5A patent/CN111807877A/zh active Pending
- 2020-11-13 WO PCT/CN2020/128662 patent/WO2022007288A1/zh not_active Ceased
- 2020-11-13 ES ES202090071A patent/ES2895202R1/es active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4230869A (en) * | 1977-03-18 | 1980-10-28 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Process for preparing 5-(4-hydroxyphenyl)hydantoin |
| JPS54115376A (en) * | 1978-02-25 | 1979-09-07 | Kanegafuchi Chem Ind Co Ltd | Preparation of 5-(4-hydroxyphenyl)-hydantoin |
| CN1884144A (zh) * | 2006-06-29 | 2006-12-27 | 南京大学 | 一种对羟基苯海因生产中废水的处理方法 |
| CN101230123A (zh) * | 2007-12-28 | 2008-07-30 | 天津市职业大学 | 对羟基苯海因生产副产物综合利用方法 |
| CN107759754A (zh) * | 2017-10-29 | 2018-03-06 | 天津市职业大学 | 利用对羟基苯海因生产废渣制备海因甲醛树脂的方法 |
| CN109867391A (zh) * | 2017-12-03 | 2019-06-11 | 天津市职业大学 | 对羟基苯海因生产高浓度强酸性含酚废液的预处理方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111807877A (zh) | 2020-10-23 |
| ES2895202A2 (es) | 2022-02-17 |
| WO2022007288A1 (zh) | 2022-01-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA2A | Patent application published |
Ref document number: 2895202 Country of ref document: ES Kind code of ref document: A2 Effective date: 20220217 |
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| EC2A | Search report published |
Ref document number: 2895202 Country of ref document: ES Kind code of ref document: R1 Effective date: 20220405 |
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| FC2A | Grant refused |
Effective date: 20230629 |