BR8601803A - Processo para formar um inseticida pela reacao de isocianato de metila com uma oxina ou fenol - Google Patents
Processo para formar um inseticida pela reacao de isocianato de metila com uma oxina ou fenolInfo
- Publication number
- BR8601803A BR8601803A BR8601803A BR8601803A BR8601803A BR 8601803 A BR8601803 A BR 8601803A BR 8601803 A BR8601803 A BR 8601803A BR 8601803 A BR8601803 A BR 8601803A BR 8601803 A BR8601803 A BR 8601803A
- Authority
- BR
- Brazil
- Prior art keywords
- methyl isocyanate
- phenol
- water
- methyl
- insecticide
- Prior art date
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C265/00—Derivatives of isocyanic acid
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 (2)
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 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8601803A true BR8601803A (pt) | 1986-12-23 |
Family
ID=27111584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8601803A BR8601803A (pt) | 1985-04-26 | 1986-04-23 | Processo para formar um inseticida pela reacao de isocianato de metila com uma oxina ou fenol |
Country Status (8)
Country | Link |
---|---|
US (1) | US4698438A (pt) |
EP (1) | EP0200506B1 (pt) |
KR (1) | KR940006766B1 (pt) |
AT (1) | ATE67179T1 (pt) |
BR (1) | BR8601803A (pt) |
CA (1) | CA1247113A (pt) |
DE (1) | DE3681331D1 (pt) |
IL (1) | IL78603A (pt) |
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 (pt) * | 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 IL IL78603A patent/IL78603A/xx not_active IP Right Cessation
- 1986-04-23 BR BR8601803A patent/BR8601803A/pt not_active IP Right Cessation
- 1986-04-25 EP EP86303168A patent/EP0200506B1/en not_active Expired - Lifetime
- 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
- 1986-04-26 KR KR1019860003233A patent/KR940006766B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0200506B1 (en) | 1991-09-11 |
KR860008128A (ko) | 1986-11-12 |
CA1247113A (en) | 1988-12-20 |
ATE67179T1 (de) | 1991-09-15 |
EP0200506A2 (en) | 1986-11-05 |
KR940006766B1 (ko) | 1994-07-27 |
IL78603A (en) | 1989-09-28 |
EP0200506A3 (en) | 1988-07-13 |
DE3681331D1 (de) | 1991-10-17 |
US4698438A (en) | 1987-10-06 |
IL78603A0 (en) | 1986-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RH | Request refused | ||
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 23/04/2001 |
|
B15K | Others concerning applications: alteration of classification |
Ipc: C07C 265/00 (2006.01) |