BR8702314A - Processo para producao de ureia ciclica - Google Patents
Processo para producao de ureia ciclicaInfo
- Publication number
- BR8702314A BR8702314A BR8702314A BR8702314A BR8702314A BR 8702314 A BR8702314 A BR 8702314A BR 8702314 A BR8702314 A BR 8702314A BR 8702314 A BR8702314 A BR 8702314A BR 8702314 A BR8702314 A BR 8702314A
- Authority
- BR
- Brazil
- Prior art keywords
- cyclic urea
- urea process
- cyclic
- urea
- Prior art date
Links
Classifications
-
- 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
- C07D233/20—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 substituted hydrocarbon radicals, directly attached to ring carbon atoms
- C07D233/22—Radicals substituted by oxygen atoms
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D243/00—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms
- C07D243/04—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10193786 | 1986-05-06 | ||
| JP10193686 | 1986-05-06 | ||
| JP10777186A JPH0667910B2 (ja) | 1986-05-13 | 1986-05-13 | ２−イミダゾリジノン類の製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8702314A true BR8702314A (pt) | 1988-02-17 |
Family
ID=27309581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8702314A BR8702314A (pt) | 1986-05-06 | 1987-05-06 | Processo para producao de ureia ciclica |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0248220A3 (pt) |
| KR (1) | KR890003808B1 (pt) |
| BR (1) | BR8702314A (pt) |
| CA (1) | CA1283101C (pt) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5112984A (en) * | 1990-09-20 | 1992-05-12 | Union Carbide Chemicals & Plastics Technology Corporation | Processes for the preparation of cyclic nitrogen-containing compounds |
| GB9101690D0 (en) * | 1991-01-25 | 1991-03-06 | Bp Chem Int Ltd | Process |
| DE4341984A1 (de) * | 1993-12-09 | 1995-06-14 | Bayer Ag | Verwendung von Harnstoff-Derivaten als Kristallisationsinhibitoren |
| US5872260A (en) * | 1996-08-05 | 1999-02-16 | Mitsui Chemicals, Inc. | High purity 1,3-dialkyl-2-imidazolidinone and preparation process of same |
| DE19743760A1 (de) * | 1997-10-02 | 1999-04-08 | Basf Ag | Verfahren zur Herstellung von cyclischen Harnstoffderivaten |
| DE10231085A1 (de) | 2002-07-10 | 2004-01-22 | Basf Ag | Verfahren zur kontinuierlichen Herstellung von tetrasubstituierten Harnstoffen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3150723A1 (de) * | 1981-12-22 | 1983-06-30 | Basf Ag, 6700 Ludwigshafen | Verbessertes verfahren zur herstellung von 1,3-disubstituierten 4,5-cis-dicarboxy-2-imidazolidonen |
| CA1259321A (en) * | 1984-11-01 | 1989-09-12 | Nobuyuki Kajimoto | Process for producing 1,3-dimethyl-2-imidazolidinone |
-
1987
- 1987-05-05 CA CA000536415A patent/CA1283101C/en not_active Expired - Fee Related
- 1987-05-05 EP EP87106457A patent/EP0248220A3/en not_active Withdrawn
- 1987-05-06 KR KR1019870004394A patent/KR890003808B1/ko not_active IP Right Cessation
- 1987-05-06 BR BR8702314A patent/BR8702314A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0248220A3 (en) | 1988-03-30 |
| KR870011103A (ko) | 1987-12-21 |
| EP0248220A2 (en) | 1987-12-09 |
| KR890003808B1 (ko) | 1989-10-05 |
| CA1283101C (en) | 1991-04-16 |
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