ZA915327B - Process for the n-alkylation of ureas - Google Patents
Process for the n-alkylation of ureasInfo
- Publication number
- ZA915327B ZA915327B ZA915327A ZA915327A ZA915327B ZA 915327 B ZA915327 B ZA 915327B ZA 915327 A ZA915327 A ZA 915327A ZA 915327 A ZA915327 A ZA 915327A ZA 915327 B ZA915327 B ZA 915327B
- Authority
- ZA
- South Africa
- Prior art keywords
- ureas
- alkylation
- diluent
- urea
- reacting
- 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
- C07C273/1854—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
-
- 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
-
- 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
- C07C275/04—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to acyclic carbon atoms
- C07C275/06—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/16—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms acylated on ring nitrogen atoms
- C07D295/20—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms acylated on ring nitrogen atoms by radicals derived from carbonic acid, or sulfur or nitrogen analogues thereof
- C07D295/215—Radicals derived from nitrogen analogues of carbonic acid
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)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0169190A AT394715B (de) | 1990-08-14 | 1990-08-14 | Verfahren zur n-alkylierung von harnstoffen |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA915327B true ZA915327B (en) | 1992-04-29 |
Family
ID=3518914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA915327A ZA915327B (en) | 1990-08-14 | 1991-07-09 | Process for the n-alkylation of ureas |
Country Status (14)
Country | Link |
---|---|
US (1) | US5124451A (xx) |
EP (1) | EP0471983B1 (xx) |
JP (1) | JPH04270257A (xx) |
KR (1) | KR100190199B1 (xx) |
AT (2) | AT394715B (xx) |
AU (1) | AU641038B2 (xx) |
CS (1) | CS251991A3 (xx) |
DE (1) | DE59104984D1 (xx) |
ES (1) | ES2069783T3 (xx) |
HU (1) | HU209788B (xx) |
NZ (1) | NZ238777A (xx) |
RU (1) | RU2017728C1 (xx) |
YU (1) | YU140791A (xx) |
ZA (1) | ZA915327B (xx) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE115555T1 (de) * | 1989-07-28 | 1994-12-15 | Chemie Linz Gmbh | Verfahren zur herstellung unsymmetrisch substituierter harnstoffe. |
ES2066050T3 (es) * | 1989-07-28 | 1995-03-01 | Chemie Linz Gmbh | Procedimiento para la obtencion de ureas asimetricamente substituidas, carbamatos, tiocarbamatos e isocianatos substituidos. |
AT398749B (de) * | 1992-08-13 | 1995-01-25 | Chemie Linz Gmbh | Verfahren zur herstellung von isocyansäure durch zersetzen von n,n-disubstituierten harnstoffen |
GB9618967D0 (en) * | 1996-09-11 | 1996-10-23 | Smithkline Beecham Plc | Pharmaceuticals |
WO2014016745A1 (en) * | 2012-07-23 | 2014-01-30 | Saudi Basic Industries Corporation | Process for the preparation of isobutylidene diurea |
BR112016017083B1 (pt) | 2014-01-31 | 2022-02-15 | Saudi Basic Industries Corporation | Cápsula de fertilizante, e, método de preparação de um núcleo de cápsula de fertilizante |
CN110981585B (zh) | 2014-05-05 | 2023-04-07 | 赛贝克环球科技公司 | 涂覆的粒状肥料、其制造方法和施肥方法 |
CN108026118B (zh) | 2015-07-20 | 2021-11-05 | 沙特基础工业全球技术公司 | 肥料组合物及其制备方法和使用方法 |
BR112018001196B1 (pt) | 2015-07-20 | 2021-10-26 | Sabic Global Technologies B.V. | Partícula de núcleo de fertilizante, grânulo de fertilizante, e, método para preparar uma partícula de núcleo de fertilizante |
WO2017087265A1 (en) | 2015-11-16 | 2017-05-26 | Sabic Global Technologies B.V. | Methods of manufacture for coated granular fertilizers |
WO2017087264A1 (en) | 2015-11-16 | 2017-05-26 | Sabic Global Technologies B.V. | Coated granular fertilizers, methods of manufacture thereof, and uses thereof |
WO2017137902A1 (en) | 2016-02-08 | 2017-08-17 | Sabic Global Technologies B.V. | Method of making a fertilizer seed core |
WO2018193344A1 (en) | 2017-04-19 | 2018-10-25 | Sabic Global Technologies B.V. | Enhanced efficiency fertilizer with urease inhibitor and nitrification inhibitor separated within the same particle |
EP3612508A1 (en) | 2017-04-19 | 2020-02-26 | SABIC Global Technologies B.V. | Enhanced efficiency fertilizer with urease inhibitor and nitrification inhibitor in separate particles |
EP3612507A1 (en) | 2017-04-20 | 2020-02-26 | SABIC Global Technologies B.V. | Enhanced efficiency fertilizer with embedded powder composition |
WO2018197991A1 (en) | 2017-04-24 | 2018-11-01 | Sabic Global Technologies B.V. | Urea condensation compositions and methods of making the same |
CN111183126A (zh) | 2017-08-09 | 2020-05-19 | 沙特基础工业全球技术公司 | 含有脲酶抑制剂和/或硝化抑制剂的挤出肥料颗粒 |
AU2019311821A1 (en) | 2018-07-23 | 2021-03-18 | SABIC Agri-Nutrients Company | Spherical urea-aldehyde condensate fertilizers |
KR200496190Y1 (ko) | 2022-02-08 | 2022-11-23 | 양건호 | 충격흡수 기능이 구비된 퍼터 헤드 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2411009B2 (de) * | 1974-03-07 | 1976-01-08 | Fa. Johann A. Wuelfing, 4040 Neuss | Verfahren zur Herstellung von 1,3-Dialkylharnstoffen |
DE2937331A1 (de) * | 1979-09-14 | 1981-04-02 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von alkylharnstoffen |
ATE103589T1 (de) * | 1989-11-10 | 1994-04-15 | Agrolinz Agrarchemikalien | Verfahren zur herstellung reiner, unsymmetrisch disubstituierter harnstoffe. |
-
1990
- 1990-08-14 AT AT0169190A patent/AT394715B/de not_active IP Right Cessation
-
1991
- 1991-06-28 NZ NZ238777A patent/NZ238777A/xx unknown
- 1991-07-09 ZA ZA915327A patent/ZA915327B/xx unknown
- 1991-07-10 US US07/728,130 patent/US5124451A/en not_active Expired - Fee Related
- 1991-07-17 EP EP91111914A patent/EP0471983B1/de not_active Expired - Lifetime
- 1991-07-17 AT AT91111914T patent/ATE120184T1/de active
- 1991-07-17 ES ES91111914T patent/ES2069783T3/es not_active Expired - Lifetime
- 1991-07-17 DE DE59104984T patent/DE59104984D1/de not_active Expired - Fee Related
- 1991-08-08 JP JP3199608A patent/JPH04270257A/ja active Pending
- 1991-08-12 AU AU81795/91A patent/AU641038B2/en not_active Ceased
- 1991-08-12 KR KR1019910013854A patent/KR100190199B1/ko not_active IP Right Cessation
- 1991-08-13 HU HU912696A patent/HU209788B/hu not_active IP Right Cessation
- 1991-08-13 RU SU915001169A patent/RU2017728C1/ru active
- 1991-08-14 CS CS912519A patent/CS251991A3/cs unknown
- 1991-08-14 YU YU140791A patent/YU140791A/sh unknown
Also Published As
Publication number | Publication date |
---|---|
AT394715B (de) | 1992-06-10 |
ATA169190A (de) | 1991-11-15 |
DE59104984D1 (de) | 1995-04-27 |
AU641038B2 (en) | 1993-09-09 |
HU912696D0 (en) | 1992-01-28 |
NZ238777A (en) | 1993-10-26 |
ES2069783T3 (es) | 1995-05-16 |
EP0471983A1 (de) | 1992-02-26 |
US5124451A (en) | 1992-06-23 |
YU140791A (sh) | 1994-06-24 |
AU8179591A (en) | 1992-02-20 |
HU209788B (en) | 1994-11-28 |
CS251991A3 (en) | 1992-02-19 |
RU2017728C1 (ru) | 1994-08-15 |
KR920004339A (ko) | 1992-03-27 |
HUT58283A (en) | 1992-02-28 |
JPH04270257A (ja) | 1992-09-25 |
ATE120184T1 (de) | 1995-04-15 |
KR100190199B1 (ko) | 1999-06-01 |
EP0471983B1 (de) | 1995-03-22 |
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