FR2333781A1 - Procede de synthese des n-methyl-urees par hydrogenation catalytique d'un melange d'uree et formaldehyde - Google Patents
Procede de synthese des n-methyl-urees par hydrogenation catalytique d'un melange d'uree et formaldehydeInfo
- Publication number
- FR2333781A1 FR2333781A1 FR7636337A FR7636337A FR2333781A1 FR 2333781 A1 FR2333781 A1 FR 2333781A1 FR 7636337 A FR7636337 A FR 7636337A FR 7636337 A FR7636337 A FR 7636337A FR 2333781 A1 FR2333781 A1 FR 2333781A1
- Authority
- FR
- France
- Prior art keywords
- urees
- formaldehyde
- urea
- synthesis
- methyl
- 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
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 title 1
- 239000004202 carbamide Substances 0.000 title 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C271/06—Esters of carbamic acids
-
- 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
- C07C273/1854—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 by reactions not involving the formation of the N-C(O)-N- moiety
- C07C273/1863—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 by reactions not involving the formation of the N-C(O)-N- moiety from urea
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT29962/75A IT1051036B (it) | 1975-12-03 | 1975-12-03 | Procedimento per la sintesi di n metil uree |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2333781A1 true FR2333781A1 (fr) | 1977-07-01 |
| FR2333781B1 FR2333781B1 (enrdf_load_stackoverflow) | 1980-10-24 |
Family
ID=11228764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7636337A Granted FR2333781A1 (fr) | 1975-12-03 | 1976-12-02 | Procede de synthese des n-methyl-urees par hydrogenation catalytique d'un melange d'uree et formaldehyde |
Country Status (31)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0215964B1 (en) * | 1985-09-10 | 1991-01-23 | Kawaken Fine Chemicals Co., Ltd. | Process for preparing cyclic urea derivatives |
| US4617400A (en) * | 1985-09-11 | 1986-10-14 | Kawaken Fine Chemicals Co., Ltd. | Process for preparing cyclic urea derivatives |
| DE3800083A1 (de) * | 1988-01-05 | 1989-07-13 | Basf Ag | Verfahren zur herstellung von cyclischen n,n'-dimethylharnstoffen |
| DE4425696A1 (de) * | 1994-07-20 | 1996-01-25 | Basf Ag | Verfahren zur Herstellung 1,3-disubstituierter Imidazolidinone |
| DE19743760A1 (de) * | 1997-10-02 | 1999-04-08 | Basf Ag | Verfahren zur Herstellung von cyclischen Harnstoffderivaten |
-
1975
- 1975-12-03 IT IT29962/75A patent/IT1051036B/it active
-
1976
- 1976-11-26 DK DK536076A patent/DK536076A/da not_active Application Discontinuation
- 1976-11-29 ZA ZA767109A patent/ZA767109B/xx unknown
- 1976-11-29 EG EG76748A patent/EG12262A/xx active
- 1976-11-30 TR TR18980A patent/TR18980A/xx unknown
- 1976-12-01 NO NO764100A patent/NO147274C/no unknown
- 1976-12-01 LU LU76306A patent/LU76306A1/xx unknown
- 1976-12-01 IN IN2141/CAL/76A patent/IN144718B/en unknown
- 1976-12-01 AU AU20145/76A patent/AU508607B2/en not_active Expired
- 1976-12-01 GB GB50196/76A patent/GB1517820A/en not_active Expired
- 1976-12-01 YU YU02922/76A patent/YU292276A/xx unknown
- 1976-12-02 CA CA267,040A patent/CA1074333A/en not_active Expired
- 1976-12-02 PT PT65922A patent/PT65922B/pt unknown
- 1976-12-02 BR BR7608197A patent/BR7608197A/pt unknown
- 1976-12-02 HU HU76SA2998A patent/HU179578B/hu unknown
- 1976-12-02 FR FR7636337A patent/FR2333781A1/fr active Granted
- 1976-12-02 DD DD196085A patent/DD127478A5/xx unknown
- 1976-12-02 PH PH19190A patent/PH13011A/en unknown
- 1976-12-02 AT AT894276A patent/AT350582B/de active
- 1976-12-03 JP JP51144818A patent/JPS5271419A/ja active Pending
- 1976-12-03 BE BE172980A patent/BE849073A/xx not_active IP Right Cessation
- 1976-12-03 NL NL7613527.A patent/NL167418C/xx not_active IP Right Cessation
- 1976-12-03 PL PL1976194144A patent/PL109171B1/pl unknown
- 1976-12-03 MX MX765185U patent/MX4021E/es unknown
- 1976-12-03 BG BG034826A patent/BG32846A3/xx unknown
- 1976-12-03 AR AR265719A patent/AR220673A1/es active
- 1976-12-03 SE SE7613630A patent/SE7613630L/xx not_active Application Discontinuation
- 1976-12-03 IE IE2665/76A patent/IE44189B1/en unknown
- 1976-12-03 CS CS767876A patent/CS193070B2/cs unknown
- 1976-12-03 ES ES454228A patent/ES454228A1/es not_active Expired
- 1976-12-03 DE DE2654928A patent/DE2654928C3/de not_active Expired
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |