UST102909I4 - Intermediates and process for insecticidal biphenylmethyl esters - Google Patents
Intermediates and process for insecticidal biphenylmethyl esters Download PDFInfo
- Publication number
- UST102909I4 UST102909I4 US06/415,004 US41500482A UST102909I4 US T102909 I4 UST102909 I4 US T102909I4 US 41500482 A US41500482 A US 41500482A US T102909 I4 UST102909 I4 US T102909I4
- Authority
- US
- United States
- Prior art keywords
- iii
- insecticidal
- intermediates
- biphenylmethyl
- esters
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Compounds of formulae II, III and IV: ##STR1## are useful intermediates for preparation of an insecticidal compound of formula (I) ##STR2## in which Ra and Rb are independently hydrogen, halogen, or alkyl. The intermediate II is prepared by reacting 3,3-dimethyl-4-pentenoic acid, a salt thereof, a lower alkyl ester or an acid chloride thereof with a compound of the formula ##STR3## in which X is hydroxy or a good leaving group. Intermediate III is prepared by reacting II with 1,1,1-trichloro-2,2,2-trifluoroethane in the presence of a solvent and catalyst. Intermediate III is then dehydrohalogenated in the presence of base to remove 2 moles of halogen halide per mole of III in one or two steps to produce I.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/415,004 UST102909I4 (en) | 1981-07-24 | 1982-09-07 | Intermediates and process for insecticidal biphenylmethyl esters |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28648981A | 1981-07-24 | 1981-07-24 | |
| US06/415,004 UST102909I4 (en) | 1981-07-24 | 1982-09-07 | Intermediates and process for insecticidal biphenylmethyl esters |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US28648981A Continuation | 1981-07-24 | 1981-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UST102909I4 true UST102909I4 (en) | 1983-04-05 |
Family
ID=26963858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US06/415,004 Pending UST102909I4 (en) | 1981-07-24 | 1982-09-07 | Intermediates and process for insecticidal biphenylmethyl esters |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | UST102909I4 (en) |
-
1982
- 1982-09-07 US US06/415,004 patent/UST102909I4/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STCF | Information on status: patent grant |
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