AT349487B - Verfahren zur herstellung von symmetrischen harnstoffen - Google Patents
Verfahren zur herstellung von symmetrischen harnstoffenInfo
- Publication number
- AT349487B AT349487B AT933175A AT933175A AT349487B AT 349487 B AT349487 B AT 349487B AT 933175 A AT933175 A AT 933175A AT 933175 A AT933175 A AT 933175A AT 349487 B AT349487 B AT 349487B
- Authority
- AT
- Austria
- Prior art keywords
- producing symmetric
- ureas
- symmetric ureas
- producing
- symmetric
- Prior art date
Links
Classifications
-
- 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
- C07C273/18—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 substituted ureas
- C07C273/1809—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 substituted ureas with formation of the N-C(O)-N moiety
-
- 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
- C07D233/04—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D233/28—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
- C07D233/30—Oxygen or sulfur atoms
- C07D233/32—One oxygen atom
-
- 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
- C07D233/04—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D233/28—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
- C07D233/30—Oxygen or sulfur atoms
- C07D233/32—One oxygen atom
- C07D233/34—Ethylene-urea
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/06—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D239/08—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms directly attached in position 2
- C07D239/10—Oxygen or sulfur atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT30341/74A IT1026907B (it) | 1974-12-10 | 1974-12-10 | Procedimento per la sintesi di uree |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA933175A ATA933175A (de) | 1978-09-15 |
| AT349487B true AT349487B (de) | 1979-04-10 |
Family
ID=11229569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT933175A AT349487B (de) | 1974-12-10 | 1975-12-09 | Verfahren zur herstellung von symmetrischen harnstoffen |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4063021A (de) |
| JP (1) | JPS594423B2 (de) |
| AT (1) | AT349487B (de) |
| BE (1) | BE836387A (de) |
| CA (1) | CA1058174A (de) |
| CH (1) | CH624097A5 (de) |
| DE (1) | DE2555582A1 (de) |
| DK (1) | DK557075A (de) |
| ES (1) | ES443591A1 (de) |
| FR (1) | FR2294169A1 (de) |
| GB (1) | GB1499180A (de) |
| IE (1) | IE42456B1 (de) |
| IT (1) | IT1026907B (de) |
| LU (1) | LU73953A1 (de) |
| NL (1) | NL172951C (de) |
| NO (1) | NO754162L (de) |
| SE (1) | SE431203B (de) |
| SU (1) | SU900804A3 (de) |
| ZA (1) | ZA757617B (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57139069A (en) * | 1981-02-20 | 1982-08-27 | Nippon Tokushu Noyaku Seizo Kk | Substituted tetrahydropyrimidinone derivative, its preparation and herbicide |
| US4405794A (en) * | 1981-12-18 | 1983-09-20 | The Dow Chemical Company | Preparation of 2-oxazolidinone and ethyleneurea |
| JPS58140078A (ja) * | 1982-02-16 | 1983-08-19 | Nippon Tokushu Noyaku Seizo Kk | メチル置換テトラヒドロ−２−ピリミジノン誘導体、その製法、その中間体及び該中間体の製法、並びに除草剤 |
| JPH0333420U (de) * | 1989-08-10 | 1991-04-02 | ||
| DE19743760A1 (de) * | 1997-10-02 | 1999-04-08 | Basf Ag | Verfahren zur Herstellung von cyclischen Harnstoffderivaten |
| DE29820895U1 (de) | 1998-11-23 | 1999-02-18 | ECS Eich Maschinenbau GmbH, 35745 Herborn | Mobiles Wasserreinigungsgerät |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2276696A (en) * | 1939-10-06 | 1942-03-17 | Sharples Chemicals Inc | Manufacture of homologues of urea |
| US3053891A (en) * | 1959-05-05 | 1962-09-11 | Chemical Construction Corp | Process for production of urea |
| US3923833A (en) * | 1968-05-01 | 1975-12-02 | Hoffmann La Roche | N-{8 (1-cyano-2-phenyl)ethyl{9 carbamates |
-
1974
- 1974-12-10 IT IT30341/74A patent/IT1026907B/it active
-
1975
- 1975-12-04 ZA ZA757617A patent/ZA757617B/xx unknown
- 1975-12-04 CA CA241,089A patent/CA1058174A/en not_active Expired
- 1975-12-08 LU LU73953A patent/LU73953A1/xx unknown
- 1975-12-08 GB GB50307/75A patent/GB1499180A/en not_active Expired
- 1975-12-08 FR FR7537465A patent/FR2294169A1/fr active Granted
- 1975-12-08 CH CH1594575A patent/CH624097A5/it not_active IP Right Cessation
- 1975-12-08 BE BE162536A patent/BE836387A/xx not_active IP Right Cessation
- 1975-12-09 NO NO754162A patent/NO754162L/no unknown
- 1975-12-09 DK DK557075A patent/DK557075A/da not_active Application Discontinuation
- 1975-12-09 SE SE7513879A patent/SE431203B/xx unknown
- 1975-12-09 NL NLAANVRAGE7514362,A patent/NL172951C/xx not_active IP Right Cessation
- 1975-12-09 ES ES443591A patent/ES443591A1/es not_active Expired
- 1975-12-09 AT AT933175A patent/AT349487B/de not_active IP Right Cessation
- 1975-12-10 IE IE2693/75A patent/IE42456B1/en unknown
- 1975-12-10 SU SU752197703A patent/SU900804A3/ru active
- 1975-12-10 DE DE19752555582 patent/DE2555582A1/de active Pending
- 1975-12-10 JP JP50146470A patent/JPS594423B2/ja not_active Expired
- 1975-12-10 US US05/639,441 patent/US4063021A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH624097A5 (de) | 1981-07-15 |
| IE42456L (en) | 1976-06-10 |
| NL172951B (nl) | 1983-06-16 |
| FR2294169A1 (fr) | 1976-07-09 |
| CA1058174A (en) | 1979-07-10 |
| ATA933175A (de) | 1978-09-15 |
| SE7513879L (sv) | 1976-06-11 |
| ZA757617B (en) | 1976-11-24 |
| NL172951C (nl) | 1983-11-16 |
| DK557075A (da) | 1976-06-11 |
| ES443591A1 (es) | 1977-05-01 |
| FR2294169B1 (de) | 1982-05-28 |
| SE431203B (sv) | 1984-01-23 |
| NO754162L (de) | 1976-06-11 |
| JPS594423B2 (ja) | 1984-01-30 |
| GB1499180A (en) | 1978-01-25 |
| NL7514362A (nl) | 1976-06-14 |
| IE42456B1 (en) | 1980-08-13 |
| SU900804A3 (ru) | 1982-01-23 |
| BE836387A (fr) | 1976-06-08 |
| DE2555582A1 (de) | 1976-06-16 |
| LU73953A1 (de) | 1976-07-01 |
| JPS5182225A (de) | 1976-07-19 |
| US4063021A (en) | 1977-12-13 |
| IT1026907B (it) | 1978-10-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |