IT1026907B - Procedimento per la sintesi di uree - Google Patents
Procedimento per la sintesi di ureeInfo
- Publication number
- IT1026907B IT1026907B IT30341/74A IT3034174A IT1026907B IT 1026907 B IT1026907 B IT 1026907B IT 30341/74 A IT30341/74 A IT 30341/74A IT 3034174 A IT3034174 A IT 3034174A IT 1026907 B IT1026907 B IT 1026907B
- Authority
- IT
- Italy
- Prior art keywords
- uree
- synthesis
- procedure
- Prior art date
Links
Classifications
-
- 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
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (19)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT30341/74A IT1026907B (it) | 1974-12-10 | 1974-12-10 | Procedimento per la sintesi di uree |
CA241,089A CA1058174A (en) | 1974-12-10 | 1975-12-04 | Method for the synthesis of ureas |
ZA757617A ZA757617B (en) | 1974-12-10 | 1975-12-04 | Method for the synthesis of ureas |
FR7537465A FR2294169A1 (fr) | 1974-12-10 | 1975-12-08 | Procede de synthese d'urees substituees a partir des carbamates correspondants |
GB50307/75A GB1499180A (en) | 1974-12-10 | 1975-12-08 | Method for the synthesis of ureas |
LU73953A LU73953A1 (it) | 1974-12-10 | 1975-12-08 | |
BE162536A BE836387A (fr) | 1974-12-10 | 1975-12-08 | Procede de synthese d'urees substituees a partir des carbamates correspondants |
CH1594575A CH624097A5 (it) | 1974-12-10 | 1975-12-08 | |
NO754162A NO754162L (it) | 1974-12-10 | 1975-12-09 | |
SE7513879A SE431203B (sv) | 1974-12-10 | 1975-12-09 | Forfarande for framstellning av karbamider genom pyrolys av karbamater |
NLAANVRAGE7514362,A NL172951C (nl) | 1974-12-10 | 1975-12-09 | Werkwijze voor de bereiding van ureumverbindingen. |
DK557075A DK557075A (da) | 1974-12-10 | 1975-12-09 | Fremgangsmade til fremstilling af urinstoffer |
ES443591A ES443591A1 (es) | 1974-12-10 | 1975-12-09 | Procedimiento para la sintesis de ureas. |
AT933175A AT349487B (de) | 1974-12-10 | 1975-12-09 | Verfahren zur herstellung von symmetrischen harnstoffen |
US05/639,441 US4063021A (en) | 1974-12-10 | 1975-12-10 | Method for the synthesis of ureas |
JP50146470A JPS594423B2 (ja) | 1974-12-10 | 1975-12-10 | ニヨウソユウドウタイノセイホウ |
DE19752555582 DE2555582A1 (de) | 1974-12-10 | 1975-12-10 | Verfahren zur herstellung von harnstoffen |
IE2693/75A IE42456B1 (en) | 1974-12-10 | 1975-12-10 | Method for the synthesis of ureas |
SU752197703A SU900804A3 (ru) | 1974-12-10 | 1975-12-10 | Способ получени замещенных мочевин |
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 (1)
Publication Number | Publication Date |
---|---|
IT1026907B true IT1026907B (it) | 1978-10-20 |
Family
ID=11229569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT30341/74A IT1026907B (it) | 1974-12-10 | 1974-12-10 | Procedimento per la sintesi di uree |
Country Status (19)
Country | Link |
---|---|
US (1) | US4063021A (it) |
JP (1) | JPS594423B2 (it) |
AT (1) | AT349487B (it) |
BE (1) | BE836387A (it) |
CA (1) | CA1058174A (it) |
CH (1) | CH624097A5 (it) |
DE (1) | DE2555582A1 (it) |
DK (1) | DK557075A (it) |
ES (1) | ES443591A1 (it) |
FR (1) | FR2294169A1 (it) |
GB (1) | GB1499180A (it) |
IE (1) | IE42456B1 (it) |
IT (1) | IT1026907B (it) |
LU (1) | LU73953A1 (it) |
NL (1) | NL172951C (it) |
NO (1) | NO754162L (it) |
SE (1) | SE431203B (it) |
SU (1) | SU900804A3 (it) |
ZA (1) | ZA757617B (it) |
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 (it) * | 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 CA CA241,089A patent/CA1058174A/en not_active Expired
- 1975-12-04 ZA ZA757617A patent/ZA757617B/xx unknown
- 1975-12-08 GB GB50307/75A patent/GB1499180A/en not_active Expired
- 1975-12-08 BE BE162536A patent/BE836387A/xx not_active IP Right Cessation
- 1975-12-08 CH CH1594575A patent/CH624097A5/it not_active IP Right Cessation
- 1975-12-08 FR FR7537465A patent/FR2294169A1/fr active Granted
- 1975-12-08 LU LU73953A patent/LU73953A1/xx unknown
- 1975-12-09 NO NO754162A patent/NO754162L/no unknown
- 1975-12-09 AT AT933175A patent/AT349487B/de not_active IP Right Cessation
- 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 DK DK557075A patent/DK557075A/da not_active Application Discontinuation
- 1975-12-09 SE SE7513879A patent/SE431203B/xx unknown
- 1975-12-10 SU SU752197703A patent/SU900804A3/ru active
- 1975-12-10 IE IE2693/75A patent/IE42456B1/en unknown
- 1975-12-10 JP JP50146470A patent/JPS594423B2/ja not_active Expired
- 1975-12-10 DE DE19752555582 patent/DE2555582A1/de active Pending
- 1975-12-10 US US05/639,441 patent/US4063021A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB1499180A (en) | 1978-01-25 |
JPS594423B2 (ja) | 1984-01-30 |
CA1058174A (en) | 1979-07-10 |
SU900804A3 (ru) | 1982-01-23 |
AT349487B (de) | 1979-04-10 |
DE2555582A1 (de) | 1976-06-16 |
SE7513879L (sv) | 1976-06-11 |
JPS5182225A (it) | 1976-07-19 |
ATA933175A (de) | 1978-09-15 |
ZA757617B (en) | 1976-11-24 |
ES443591A1 (es) | 1977-05-01 |
NO754162L (it) | 1976-06-11 |
NL172951B (nl) | 1983-06-16 |
NL7514362A (nl) | 1976-06-14 |
FR2294169B1 (it) | 1982-05-28 |
IE42456L (en) | 1976-06-10 |
DK557075A (da) | 1976-06-11 |
BE836387A (fr) | 1976-06-08 |
LU73953A1 (it) | 1976-07-01 |
CH624097A5 (it) | 1981-07-15 |
NL172951C (nl) | 1983-11-16 |
SE431203B (sv) | 1984-01-23 |
FR2294169A1 (fr) | 1976-07-09 |
US4063021A (en) | 1977-12-13 |
IE42456B1 (en) | 1980-08-13 |
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