ATE67179T1 - Verfahren zur herstellung von carbamidsaeuremethylestern. - Google Patents
Verfahren zur herstellung von carbamidsaeuremethylestern.Info
- Publication number
- ATE67179T1 ATE67179T1 AT86303168T AT86303168T ATE67179T1 AT E67179 T1 ATE67179 T1 AT E67179T1 AT 86303168 T AT86303168 T AT 86303168T AT 86303168 T AT86303168 T AT 86303168T AT E67179 T1 ATE67179 T1 AT E67179T1
- Authority
- AT
- Austria
- Prior art keywords
- methyl isocyanate
- water
- preparation
- acid methyl
- carbamic acid
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- GTCAXTIRRLKXRU-UHFFFAOYSA-N methyl carbamate Chemical class COC(N)=O GTCAXTIRRLKXRU-UHFFFAOYSA-N 0.000 title 1
- HAMGRBXTJNITHG-UHFFFAOYSA-N methyl isocyanate Chemical compound CN=C=O HAMGRBXTJNITHG-UHFFFAOYSA-N 0.000 abstract 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 4
- 150000002923 oximes Chemical class 0.000 abstract 3
- ATHHXGZTWNVVOU-UHFFFAOYSA-N N-methylformamide Chemical compound CNC=O ATHHXGZTWNVVOU-UHFFFAOYSA-N 0.000 abstract 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000011541 reaction mixture Substances 0.000 abstract 2
- 239000012808 vapor phase Substances 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 1
- 238000007865 diluting Methods 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 239000002917 insecticide Substances 0.000 abstract 1
- 238000005839 oxidative dehydrogenation reaction Methods 0.000 abstract 1
- 150000002989 phenols Chemical class 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C265/00—Derivatives of isocyanic acid
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C269/02—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups from isocyanates with formation of carbamate groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72781285A | 1985-04-26 | 1985-04-26 | |
| US06/827,517 US4698438A (en) | 1985-04-26 | 1986-02-11 | Process for the preparation of methyl carbamates and thioimidates |
| EP86303168A EP0200506B1 (de) | 1985-04-26 | 1986-04-25 | Verfahren zur Herstellung von Carbamidsäuremethylestern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE67179T1 true ATE67179T1 (de) | 1991-09-15 |
Family
ID=27111584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT86303168T ATE67179T1 (de) | 1985-04-26 | 1986-04-25 | Verfahren zur herstellung von carbamidsaeuremethylestern. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4698438A (de) |
| EP (1) | EP0200506B1 (de) |
| KR (1) | KR940006766B1 (de) |
| AT (1) | ATE67179T1 (de) |
| BR (1) | BR8601803A (de) |
| CA (1) | CA1247113A (de) |
| DE (1) | DE3681331D1 (de) |
| IL (1) | IL78603A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5284962A (en) * | 1992-10-09 | 1994-02-08 | E. I. Du Pont De Nemours And Company | Multistage process for making methyl carbamates |
| FR2768516B1 (fr) * | 1997-09-16 | 1999-10-29 | Inst Bouisson Bertrand | Utilisation d'isocyanates pour le dosage de fonctions nucleophiles a l'etat de traces en milieu humide |
| CN111377843B (zh) * | 2020-04-02 | 2022-03-18 | 湖南海利常德农药化工有限公司 | 一种灭多威的制备方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2870057A (en) * | 1957-11-26 | 1959-01-20 | Gulf Research Development Co | 4- or 5-indanyl n-methyl carbamate |
| NL130985C (de) * | 1967-02-09 | |||
| US3576834A (en) * | 1967-08-31 | 1971-04-27 | Du Pont | Substituted o-carbamylhydroxamates |
| US4207251A (en) * | 1977-08-02 | 1980-06-10 | Akzona Incorporated | Catalytic oxidation of formamides to form isocyanates |
| JPS56100751A (en) * | 1980-01-17 | 1981-08-12 | Asahi Chem Ind Co Ltd | Preparation of isocyanate |
-
1986
- 1986-02-11 US US06/827,517 patent/US4698438A/en not_active Expired - Lifetime
- 1986-04-22 CA CA000507229A patent/CA1247113A/en not_active Expired
- 1986-04-23 BR BR8601803A patent/BR8601803A/pt not_active IP Right Cessation
- 1986-04-23 IL IL78603A patent/IL78603A/xx not_active IP Right Cessation
- 1986-04-25 AT AT86303168T patent/ATE67179T1/de not_active IP Right Cessation
- 1986-04-25 DE DE8686303168T patent/DE3681331D1/de not_active Expired - Lifetime
- 1986-04-25 EP EP86303168A patent/EP0200506B1/de not_active Expired - Lifetime
- 1986-04-26 KR KR1019860003233A patent/KR940006766B1/ko not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE3681331D1 (de) | 1991-10-17 |
| CA1247113A (en) | 1988-12-20 |
| IL78603A0 (en) | 1986-08-31 |
| EP0200506A2 (de) | 1986-11-05 |
| US4698438A (en) | 1987-10-06 |
| EP0200506A3 (en) | 1988-07-13 |
| KR860008128A (ko) | 1986-11-12 |
| BR8601803A (pt) | 1986-12-23 |
| KR940006766B1 (ko) | 1994-07-27 |
| EP0200506B1 (de) | 1991-09-11 |
| IL78603A (en) | 1989-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |