EP3464283A1 - Verfahren zur herstellung heterocyclischer verbindungen - Google Patents
Verfahren zur herstellung heterocyclischer verbindungenInfo
- Publication number
- EP3464283A1 EP3464283A1 EP17724598.2A EP17724598A EP3464283A1 EP 3464283 A1 EP3464283 A1 EP 3464283A1 EP 17724598 A EP17724598 A EP 17724598A EP 3464283 A1 EP3464283 A1 EP 3464283A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- formula
- alkyl group
- group
- alkyl
- compounds
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/06—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
Definitions
- the present invention relates to a novel process for the preparation of known heterocyclic compounds of the formula I.
- EP 1024140 describes the reaction of compounds of the formula (II)
- One aspect of the present invention relates to a process for the preparation of compounds of the formula (I)
- R 1 represents a hydrogen atom or an alkyl group, preferably a C 1 -C 4 -alkyl group,
- A is an ethylene group which may be substituted by alkyl, preferably C 1 -C 4 -alkyl, or a trimethylene group which may be substituted by alkyl, preferably C 1 -C 4 -alkyl,
- X is an oxygen or sulfur atom or the groups
- - LH or -CH-R 3 in which represents a hydrogen atom or an alkyl group, preferably a C 1 -C 4 alkyl group, and
- Z denotes an optionally substituted 5- or 6-membered heterocyclic group which contains at least two heteroatoms selected from oxygen, sulfur and nitrogen atoms, or denotes an optionally substituted 3- or 4-pyridyl group, characterized in that compounds of the formula (II )
- n depending on the counterion (M n + ) can be one or two
- a phase transfer catalyst preferably an ammonium salt, more preferably a quaternary ammonium salt, with 2 -Chloro-5-chloromethylpyridine.
- phase transfer catalyst is an ammonium salt of the formula - N-R5 anion
- R6 wherein R4, R5, R6 is hydrogen or a Ci-Ci 2 alkyl group, or benzyl or alkylbenzyl stand, preferably a Ci-Ci 2 -alkyl group (for clarity, is in -N (-NR4R5R6) "1" the well-known shorthand notation for a methyl group, (-NR4R5R6) "1" is the short notation of (Me-NR4R5R6) + ), and
- R6 wherein R4, R5, R6 is hydrogen or a Ci-Ci 2 alkyl group, or benzyl or - alkylbenzyl (preferably C 12 - alkylbenzyl) are provided and R7 is a Ci-Ci 2 alkyl group, or - benzyl or alkylbenzyl is , preferably a Ci-Ci 2 alkyl group are, and anion "OH, chloride, bromide, iodide or cyanide is, preferably represents chloride.
- a preferred embodiment relates to a process according to the invention, in which the organic-soluble quaternary ammonium salt is Aliquat 336 (methyltri-n-octylammonium chloride).
- a preferred embodiment relates to a process according to the invention in which the solvent is selected from benzene, toluene, xylene, mixtures thereof or hexane, cyclohexane, methylcyclohexane and mixtures thereof.
- a preferred embodiment relates to a process according to the invention, wherein the solvent is toluene.
- a preferred embodiment relates to a method according to the invention, wherein M + represents a Na + ion.
- a preferred embodiment relates to a process according to the invention, wherein the compound of the formula (I) is the compound of the formula (Ia)
- Ci-C / t-alkyl group is an ethylene group which may be substituted by alkyl, preferably by a Ci-C / t-alkyl, or a trimethylene group, which is alkyl, preferably by a C 1 -C 4 alkyl, may be substituted, represents an oxygen or sulfur atom or the groups or -CH-R 3 , in which
- R 3 is a hydrogen atom or an alkyl group, preferably a Ci-C / t-alkyl group, and
- Z is an optionally substituted 5- or 6-membered heterocyclic group containing at least two heteroatoms selected from oxygen, sulfur and nitrogen atoms, or denotes an optionally substituted 3- or 4-pyridyl group, obtained by reacting compounds of the formula (II ) or ammonium, alkali or alkaline earth metal salts of the compound of formula IIa
- n depending on the counterion (M n + ), can be one or two
- R 1 is preferably hydrogen or a C 1 -C 3 -alkyl group, more preferably hydrogen;
- A is preferably an ethylene or trimethylene group, which may each be substituted by a C 1 -C 3 -alkyl group, particularly preferably an ethylene group;
- X is preferably an oxygen or sulfur atom or the group
- Z preferably represents a halogenated, 5- or 6-membered heterocyclic group which contains 2 hetero atoms selected from the group consisting of oxygen, sulfur and nitrogen or a halogenated 3- or 4-pyridyl group, more preferably a halogenated thiazolyl or 3-pyridyl group , most preferably 2-chloro-pyrid-5-yl.
- a very particularly preferred embodiment is directed to a process for preparing a compound of formula (Ia),
- (IIb) is obtained with an inorganic base and in the presence of a nonpolar aliphatic or aromatic organic solvent, preferably an aromatic hydrocarbon such as toluene or xylene, and by subsequent reaction with 2-chloro-5-chloromethylpyridine, particularly preferably, wherein the reaction in the presence a phase transfer catalyst, or by reacting the compound of formula (IIc)
- Preferred inorganic bases are ammonium-containing bases, or alkali or alkaline earth metal, particularly preferably NaOH.
- solvents it is possible to use all nonpolar aliphatic or aromatic solvents or mixtures thereof.
- aromatic solvents which may be mentioned are: benzene, toluene or xylene or mixtures thereof; Hexane, cyclohexane, methylcycolohexane or mixtures thereof; and mixtures of aliphatic and aromatic solvents. Particularly preferred is toluene.
- phase transfer catalysts such as
- R4, R5, R6 is hydrogen or a Ci-Ci 2 alkyl group or benzyl or alkylbenzyl (methyl-N (R4, R5, R6) + anion " , or
- R6 wherein R4, R5, R6 is hydrogen or a Ci-Ci 2 alkyl group, or benzyl or alkylbenzyl stand and R7 is a Ci-Ci 2 alkyl group, or benzyl or alkylbenzyl group, preferably a C 1 -C 12 - alkyl group stands,
- anion " for OH, chloride, bromide, iodide, or cyanide, particularly preferably chloride is used.
- phase transfer catalysts are organic löslische quaternary ammonium salts, particularly preferred quaternary Ci-Ci 2 alkyl ammonium halide salts, particularly preferably C 1 -C 12 - alkyl ammonium chloride salts, such as Aliquat 336 (methyl-tri-n-octylammonium chloride).
- the process is carried out in a pH range between 6 and 14.
- the range is preferably between pH 10 and pH 13.
- the reaction may be carried out at temperatures of 10 ° C to 130 ° C such as 15 ° C to 130 ° C, optionally in vacuo or under pressure. Preference is 40 to 80 ° C.
- the reaction is conveniently carried out under atmospheric pressure, but it is also possible to work under reduced or elevated pressure.
- the reaction time is between 0.1 and 12 hours, preferably 1 to 5 hours.
- the phases can also be separated first.
- the separation of the organic phase takes place at 50 ° C to 120 ° C, preferably at 40 to 80 ° C.
- the mixture is then cooled as described above and the precipitated active ingredient is isolated, washed and optionally recrystallized.
- the compounds of the formula (I) are suitable, for example, for use as insecticides (EP A2 0235 752, EP A2 0259 738).
- CCMP (2-chloro-5-chloromethylpyridine) were initially charged in 260 g of 1-butanol together with 5 g of Aliquat 336 (methyltri-n-octylammonium chloride) and heated to 70.degree. Within one hour, 250 g of a 29.8% solution of 2-Cyaniminothiazolidin-Na salt (0.5 mol) were metered into water for this purpose. Thereafter, until the complete conversion of Cyaniminothiazolidins was stirred. The mixture was then cooled to 10 ° C and filtered.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyridine Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Catalysts (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16173126 | 2016-06-06 | ||
| PCT/EP2017/062731 WO2017211594A1 (de) | 2016-06-06 | 2017-05-26 | Verfahren zur herstellung heterocyclischer verbindungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3464283A1 true EP3464283A1 (de) | 2019-04-10 |
Family
ID=56132768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17724598.2A Withdrawn EP3464283A1 (de) | 2016-06-06 | 2017-05-26 | Verfahren zur herstellung heterocyclischer verbindungen |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US11161840B2 (de) |
| EP (1) | EP3464283A1 (de) |
| JP (1) | JP6946354B2 (de) |
| KR (1) | KR102380911B1 (de) |
| CN (1) | CN109311866B (de) |
| BR (1) | BR112018075237B1 (de) |
| IL (1) | IL263091B (de) |
| MX (1) | MX2018015178A (de) |
| TW (1) | TWI750181B (de) |
| WO (1) | WO2017211594A1 (de) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017048628A1 (en) * | 2015-09-15 | 2017-03-23 | Bayer Cropscience Lp | Procedure for the preparation of 2-cyanoimino-1,3-thiazolidine |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PH23283A (en) | 1986-02-26 | 1989-06-30 | Eisai Co Ltd | Piperidine derivative, pharmaceutical composition containing the same and method of use thereof |
| JPH0717621B2 (ja) | 1986-03-07 | 1995-03-01 | 日本バイエルアグロケム株式会社 | 新規ヘテロ環式化合物 |
| JPH07121909B2 (ja) * | 1986-09-10 | 1995-12-25 | 日本バイエルアグロケム株式会社 | 新規複素環式化合物及び殺虫剤 |
| KR0143512B1 (ko) * | 1994-06-28 | 1998-07-15 | 한경우 | 배양된 영지버섯 균사체로부터의 면역활성물질의 추출정제방법 및 그로부터 추출된 면역활성물질 |
| JP2721805B2 (ja) * | 1994-07-22 | 1998-03-04 | 日本バイエルアグロケム株式会社 | 新規ヘテロ環式化合物 |
| DE19904310A1 (de) | 1999-01-28 | 2000-08-03 | Bayer Ag | Verfahren zur Herstellung heterocyclischer Verbindungen |
| MXPA02007060A (es) | 2000-01-19 | 2003-01-28 | Bayer Ag | Procedimiento para la obtencion de compuestos heterociclicos. |
| CN1401646A (zh) * | 2001-08-08 | 2003-03-12 | 南通江山农药化工股份有限公司 | 一种杀虫化合物及生产方法 |
| CN102276583A (zh) * | 2010-06-11 | 2011-12-14 | 南通派斯第农药化工有限公司 | 一种吡虫啉的生产工艺 |
| CN105622597B (zh) * | 2016-01-26 | 2018-08-17 | 南开大学 | 一类氯代异噻唑新烟碱类化合物及其制备方法和用途 |
-
2017
- 2017-05-26 BR BR112018075237-1A patent/BR112018075237B1/pt not_active IP Right Cessation
- 2017-05-26 JP JP2018563683A patent/JP6946354B2/ja not_active Expired - Fee Related
- 2017-05-26 US US16/306,180 patent/US11161840B2/en active Active
- 2017-05-26 EP EP17724598.2A patent/EP3464283A1/de not_active Withdrawn
- 2017-05-26 KR KR1020187037167A patent/KR102380911B1/ko active Active
- 2017-05-26 MX MX2018015178A patent/MX2018015178A/es unknown
- 2017-05-26 WO PCT/EP2017/062731 patent/WO2017211594A1/de not_active Ceased
- 2017-05-26 CN CN201780034983.2A patent/CN109311866B/zh not_active Expired - Fee Related
- 2017-06-03 TW TW106118387A patent/TWI750181B/zh not_active IP Right Cessation
-
2018
- 2018-11-18 IL IL263091A patent/IL263091B/en active IP Right Grant
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017048628A1 (en) * | 2015-09-15 | 2017-03-23 | Bayer Cropscience Lp | Procedure for the preparation of 2-cyanoimino-1,3-thiazolidine |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI750181B (zh) | 2021-12-21 |
| KR102380911B1 (ko) | 2022-03-30 |
| CN109311866B (zh) | 2022-12-09 |
| US11161840B2 (en) | 2021-11-02 |
| CN109311866A (zh) | 2019-02-05 |
| IL263091B (en) | 2021-06-30 |
| BR112018075237B1 (pt) | 2022-08-23 |
| US20210261536A1 (en) | 2021-08-26 |
| WO2017211594A1 (de) | 2017-12-14 |
| TW201819373A (zh) | 2018-06-01 |
| MX2018015178A (es) | 2019-04-24 |
| IL263091A (en) | 2018-12-31 |
| JP2019517535A (ja) | 2019-06-24 |
| BR112018075237A2 (pt) | 2019-03-12 |
| JP6946354B2 (ja) | 2021-10-06 |
| KR20190015339A (ko) | 2019-02-13 |
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