WO2004014883A1 - アクリロニトリル類の製造方法 - Google Patents
アクリロニトリル類の製造方法 Download PDFInfo
- Publication number
- WO2004014883A1 WO2004014883A1 PCT/JP2003/009908 JP0309908W WO2004014883A1 WO 2004014883 A1 WO2004014883 A1 WO 2004014883A1 JP 0309908 W JP0309908 W JP 0309908W WO 2004014883 A1 WO2004014883 A1 WO 2004014883A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optionally substituted
- formula
- compound represented
- group
- compound
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
Definitions
- the present invention relates to a novel method for producing an acrylonitrile derivative useful as an active ingredient of a pesticide.
- the acrylonitrile compound according to the present invention is known as a pesticide such as an insecticide or acaricide, and its synthesis method is represented by the following formula, as shown by the following formula, and an enolide (4) and an acid halide.
- a method for producing the compound by reacting with (2) is known (WO97Z40009, W000 / 17174, etc.).
- An object of the present invention is to provide a method for industrially and advantageously producing an acrylonitrile compound which is not only useful as an intermediate material of a pesticide but also is expected to have a physiological activity such as a pesticide drug.
- R 2 are an optionally substituted Ci-C 6 alkyl group, an optionally substituted phenyl group, an optionally substituted heterocyclic group, an optionally substituted naphthyl
- R 2 are an optionally substituted Ci-C 6 alkyl group, an optionally substituted phenyl group, an optionally substituted heterocyclic group, an optionally substituted naphthyl
- R represents a Ci—Ci 2 alkyl group or an optionally substituted phenyl group; Represents a halogen atom.
- 1 ⁇ and R 2 may be a substituted C i -C 6 alkyl group, which may be substituted.
- phenyl group may be substituted, the heterocyclic group, the C i-C 6 alkyl group represents a naphthyl group which may be substituted, methyl, Echiru, propyl, isopropyl, Petit Le, t-heptyl and the like Is mentioned.
- heterocyclic group examples include a 5- or 6-membered heterocyclic ring having a hetero atom such as 0, S, or N. More specifically, 2-furyl, 3-furyl, 2-chenyl, —5-membered heterocyclic groups such as phenyl, 3-pyrazolyl, 4-pyrazolyl, 2-imidazolyl, 4-imidazolyl, 2-thiazolyl, 4-thiazolyl, 2-year-old xazolyl, 2-pyridyl, 3-pyridyl, 4 Examples thereof include 6-membered heterocyclic groups such as 1-pyridyl, pyrimidine-12-yl, pyrimidine-41-yl, pyrazine-13-yl and pyrazine-14-yl.
- substituents may be the same or different and may be substituted by a plurality of substituents.
- R is methyl, ethyl, propyl, isopropyl, butyl, isoptyl, s-butyl, t-butyl, pentyl and its isomers, hexyl and its isomers, heptyl and its isomers, nonyl and its isomers body represents ⁇ one C 1 2 alkyl group or an optionally substituted phenylene Le groups dodecyl, X represents chlorine, a halogen atom such as bromine.
- This reaction proceeds in two steps, and the reaction between (1) and an acid halide first produces a pentasil form (5). Thereafter, a dehydration cyclization reaction takes place to obtain the desired product (3).
- reaction temperature is kept low and the reaction temperature is raised to room temperature or higher in order to proceed with the subsequent dehydration cyclization reaction.
- compound (1) is not stable at room temperature and may cause a dehydration ring reaction to form an enol compound represented by the above formula (4).
- reaction solvent other than alcoholic solvents can be used.
- nitriles such as acetate nitrile, ketones such as acetone, esters such as ethyl acetate, chlorides such as chloroform, diether, tetrahydrofuran, etc.
- ether hydrocarbons such as toluene
- polar solvents such as dimethylformamide.
- the reaction temperature for the acylation is 10 ° C or less, preferably 0 ° C to 5 ° C, and the temperature for the dehydration cyclization is 10 ° C to 80, preferably 20 ° C to 50 ° C. .
- the reaction time is 0.5 to 3 hours for acylation and 1 to 3 hours for dehydration cyclization. Post-treatment after completion of the reaction was carried out in a usual manner.
- the compound represented by the formula (3) according to the present invention includes an isomer represented by the following formula (3 ′), and the present invention includes any isomer. .
- Example 2 The temperature was raised to room temperature as it was, and further stirred for 1 hour. Perform the same post-treatment as in Example 1 Purification by column chromatography (developing solvent: hexane: ethyl acetate 4: 1) yielded 0.4 g of the desired product. At this time, 0.08 g of an N-acylated product was also obtained.
- the production method of the present invention is useful for producing an acrylonitrile derivative which is a compound having a pest control effect.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004527335A JPWO2004014883A1 (ja) | 2002-08-07 | 2003-08-05 | アクリロニトリル類の製造方法 |
AU2003252394A AU2003252394A1 (en) | 2002-08-07 | 2003-08-05 | Process for producing acrylonitrile compound |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002229531 | 2002-08-07 | ||
JP2002-229531 | 2002-08-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004014883A1 true WO2004014883A1 (ja) | 2004-02-19 |
Family
ID=31711658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/009908 WO2004014883A1 (ja) | 2002-08-07 | 2003-08-05 | アクリロニトリル類の製造方法 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPWO2004014883A1 (ja) |
AU (1) | AU2003252394A1 (ja) |
WO (1) | WO2004014883A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101906079A (zh) * | 2010-07-23 | 2010-12-08 | 浙江工业大学 | 噻唑基丙烯腈酯类化合物、制备方法及其应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4320125A (en) * | 1979-05-17 | 1982-03-16 | Schering Aktiengesellschaft | Thiazolylidene-oxo-propionitrile salts and insecticidal compositions containing these salts |
WO1997040009A1 (fr) * | 1996-04-25 | 1997-10-30 | Nissan Chemical Industries, Ltd. | Derives ethyleniques et agents pesticides |
WO2000017174A1 (fr) * | 1998-09-17 | 2000-03-30 | Nippon Soda Co., Ltd. | Thiazolylcinnamonitriles et agents antiparasitaires |
-
2003
- 2003-08-05 JP JP2004527335A patent/JPWO2004014883A1/ja not_active Withdrawn
- 2003-08-05 AU AU2003252394A patent/AU2003252394A1/en not_active Abandoned
- 2003-08-05 WO PCT/JP2003/009908 patent/WO2004014883A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4320125A (en) * | 1979-05-17 | 1982-03-16 | Schering Aktiengesellschaft | Thiazolylidene-oxo-propionitrile salts and insecticidal compositions containing these salts |
WO1997040009A1 (fr) * | 1996-04-25 | 1997-10-30 | Nissan Chemical Industries, Ltd. | Derives ethyleniques et agents pesticides |
WO2000017174A1 (fr) * | 1998-09-17 | 2000-03-30 | Nippon Soda Co., Ltd. | Thiazolylcinnamonitriles et agents antiparasitaires |
Non-Patent Citations (1)
Title |
---|
EL-REEDY, A.M.: "Reactions with monothiomalonamides: synthesis of polysubstituted thiazoles", JOURNAL FUER PRAKTISCHE CHEMIE, vol. 330, no. 4, 1988, LEIPZIG, pages 521 - 529, XP002973597 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101906079A (zh) * | 2010-07-23 | 2010-12-08 | 浙江工业大学 | 噻唑基丙烯腈酯类化合物、制备方法及其应用 |
CN101906079B (zh) * | 2010-07-23 | 2012-07-18 | 浙江工业大学 | 噻唑基丙烯腈酯类化合物、制备方法及其应用 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2004014883A1 (ja) | 2005-12-02 |
AU2003252394A1 (en) | 2004-02-25 |
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