CH448108A - Verfahren zur Herstellung cyclischer Harnstoffe - Google Patents
Verfahren zur Herstellung cyclischer HarnstoffeInfo
- Publication number
- CH448108A CH448108A CH1053664A CH1053664A CH448108A CH 448108 A CH448108 A CH 448108A CH 1053664 A CH1053664 A CH 1053664A CH 1053664 A CH1053664 A CH 1053664A CH 448108 A CH448108 A CH 448108A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- cyclic ureas
- ureas
- cyclic
- Prior art date
Links
- 235000013877 carbamide Nutrition 0.000 title 1
- -1 cyclic ureas Chemical class 0.000 title 1
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
- C07D233/28—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)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA44028A DE1226589B (de) | 1963-09-12 | 1963-09-12 | Verfahren zur Herstellung von Imidazolidonen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH448108A true CH448108A (de) | 1967-12-15 |
Family
ID=6933973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1053664A CH448108A (de) | 1963-09-12 | 1964-08-12 | Verfahren zur Herstellung cyclischer Harnstoffe |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH448108A (de) |
| DE (1) | DE1226589B (de) |
| GB (1) | GB1065295A (de) |
| NL (1) | NL6410202A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4642351A (en) * | 1983-01-20 | 1987-02-10 | The Dow Chemical Company | Preparation of N-substituted imidazolidinones and N-substituted 2-thionimidazolidinones |
| DE19822678A1 (de) * | 1998-05-20 | 1999-11-25 | Bayer Ag | Substituierte 1,3-Diaza-2-(thi)oxo-cycloalkane |
-
1963
- 1963-09-12 DE DEA44028A patent/DE1226589B/de active Pending
-
1964
- 1964-08-12 CH CH1053664A patent/CH448108A/de unknown
- 1964-09-02 NL NL6410202A patent/NL6410202A/xx unknown
- 1964-09-09 GB GB3694964A patent/GB1065295A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1226589B (de) | 1966-10-13 |
| NL6410202A (de) | 1965-03-15 |
| GB1065295A (en) | 1967-04-12 |
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