KR890003809B1 - 환상요소 제조방법 - Google Patents
환상요소 제조방법 Download PDFInfo
- Publication number
- KR890003809B1 KR890003809B1 KR1019870005829A KR870005829A KR890003809B1 KR 890003809 B1 KR890003809 B1 KR 890003809B1 KR 1019870005829 A KR1019870005829 A KR 1019870005829A KR 870005829 A KR870005829 A KR 870005829A KR 890003809 B1 KR890003809 B1 KR 890003809B1
- Authority
- KR
- South Korea
- Prior art keywords
- reaction
- urea
- diamine
- temperature
- cyclic
- 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.)
- Expired
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
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/32—One oxygen, sulfur or nitrogen atom
- C07D239/34—One oxygen atom
- C07D239/36—One oxygen atom as doubly bound oxygen atom or as unsubstituted hydroxy radical
-
- 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)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP148056 | 1986-06-12 | ||
| JP61-134888 | 1986-06-12 | ||
| JP61134888A JPH07103109B2 (ja) | 1986-06-12 | 1986-06-12 | ２−イミダゾリジノン類の製造方法 |
| JP134888 | 1986-06-12 | ||
| JP61-148056 | 1986-06-12 | ||
| JP14805686A JPH0720942B2 (ja) | 1986-06-26 | 1986-06-26 | 環状ウレア類の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR880000409A KR880000409A (ko) | 1988-03-25 |
| KR890003809B1 true KR890003809B1 (ko) | 1989-10-05 |
Family
ID=26468872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019870005829A Expired KR890003809B1 (ko) | 1986-06-12 | 1987-06-09 | 환상요소 제조방법 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4900820A (https=) |
| EP (1) | EP0249136A3 (https=) |
| KR (1) | KR890003809B1 (https=) |
| CA (1) | CA1286291C (https=) |
| IN (1) | IN165075B (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3829848A1 (de) * | 1988-09-02 | 1990-03-15 | Basf Ag | Verfahren zur herstellung von cyclischen n,n'-dimethylharnstoffen |
| DE69221309T2 (de) * | 1991-10-11 | 1997-12-11 | The Du Pont Merck Pharmaceutical Co., Wilmington, Del. | Cyclische harnstoffe und analoga verwendbar als retrovirale proteasehemmer |
| DE19743760A1 (de) * | 1997-10-02 | 1999-04-08 | Basf Ag | Verfahren zur Herstellung von cyclischen Harnstoffderivaten |
| US6096891A (en) * | 1999-12-09 | 2000-08-01 | Air Products And Chemicals, Inc. | Process for the production of cyclic N,N'-dialkylureas |
| CN117126109B (zh) * | 2023-10-26 | 2024-03-15 | 中南大学 | 一种甲醛去除剂、及其制备方法和应用 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3073800A (en) * | 1959-02-03 | 1963-01-15 | Standard Chem Products Inc | Preparation of modified cyclic urea resins |
| DE1121617B (de) * | 1959-05-26 | 1962-01-11 | Huels Chemische Werke Ag | Verfahren zur Herstellung von Tetrahydropyrimidin-2-onderivaten |
| US4731453A (en) * | 1985-04-03 | 1988-03-15 | Mitsui Toatsu Chemicals, Inc. | Process for producing 1, 3-dialkyl-2-imidazolidinone |
-
1987
- 1987-05-22 US US07/053,387 patent/US4900820A/en not_active Expired - Fee Related
- 1987-06-02 IN IN405/MAS/87A patent/IN165075B/en unknown
- 1987-06-02 CA CA000538549A patent/CA1286291C/en not_active Expired - Lifetime
- 1987-06-03 EP EP87108021A patent/EP0249136A3/en not_active Withdrawn
- 1987-06-09 KR KR1019870005829A patent/KR890003809B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR880000409A (ko) | 1988-03-25 |
| US4900820A (en) | 1990-02-13 |
| EP0249136A3 (en) | 1988-04-06 |
| EP0249136A2 (en) | 1987-12-16 |
| IN165075B (https=) | 1989-08-12 |
| CA1286291C (en) | 1991-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| G160 | Decision to publish patent application | ||
| PG1605 | Publication of application before grant of patent |
St.27 status event code: A-2-2-Q10-Q13-nap-PG1605 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
| PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
|
| FPAY | Annual fee payment |
Payment date: 19921002 Year of fee payment: 4 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 4 |
|
| LAPS | Lapse due to unpaid annual fee | ||
| PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 19931006 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
|
| PC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-PC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 19931006 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |