WO2007112613A1 - Préparation de dérivés d'isothiazolinone n-substitués - Google Patents
Préparation de dérivés d'isothiazolinone n-substitués Download PDFInfo
- Publication number
- WO2007112613A1 WO2007112613A1 PCT/CN2006/000590 CN2006000590W WO2007112613A1 WO 2007112613 A1 WO2007112613 A1 WO 2007112613A1 CN 2006000590 W CN2006000590 W CN 2006000590W WO 2007112613 A1 WO2007112613 A1 WO 2007112613A1
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- alkyl
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D275/00—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings
- C07D275/02—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings not condensed with other rings
- C07D275/03—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
- C07C323/50—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton
- C07C323/51—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton
- C07C323/60—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton with the carbon atom of at least one of the carboxyl groups bound to nitrogen atoms
Definitions
- the present invention relates to a process for the preparation of isothiazolinone derivatives, and in particular to a process for the preparation of N-substituted isothiazolinone derivatives.
- Isothiazolinones are a new class of high-efficiency broad-spectrum fungicides with high efficiency, low toxicity, long duration of action, and no harm to the environment. Therefore, it is widely used in industrial water treatment, cosmetics, building materials, adhesives, coatings, medical and health, textiles, photography, detergents, etc., especially as an antifouling agent in marine antifouling coatings.
- N-substituted isothiazolinone derivatives reported in the literature, but generally include hydrazine, ⁇ '-disubstituted dithiodipropionamide or hydrazine-substituted decylpropionamide. It is reacted with a reagent in an organic solvent.
- Chinese Patent Application Publication No. CN1634889 and CN1629148 disclose the preparation of oxime-alkoxypropylisothiazolinone and oxime-alkoxyethoxyisothiazolone, respectively, including the corresponding hydrazine, The hydrazine,-disubstituted dithiodipropionamide is reacted with sulfuryl chloride in ethyl acetate.
- Japanese Patent Application Publication No. 2003-335763 discloses a process for preparing a 2-substituted-4-isothiazolin-3-one, which comprises hydrazine-substituted mercaptopropionamide or hydrazine, hydrazine, -disubstituted
- the dithiodipropionamide is reacted with a reagent in an ethyl acetate solvent.
- a process for the preparation of 2-methyl-isothiazolin-3-ones is disclosed in European Patent Publication No. 0 498 347, which comprises the use of hydrazine-methyl-3-mercaptopropionamide in an aromatic hydrocarbon or a halogenated hydrocarbon solvent (e.g., benzene, toluene, Chlorobenzene, chloroform, etc.) react with chlorine.
- a halogenated hydrocarbon solvent e.g., benzene, toluene, Chlorobenzene, chloroform, etc.
- a process for the preparation of 2-hydrocarbyl-4-isothiazolin-3-ones is disclosed in European Patent Publication No. 1113012, which comprises the preparation of a hydrazine-hydrocarbylmercaptopropionamide or an oxime, ⁇ '-dihydrocarbyldithiodipropionamide.
- a solvent having a lower solubility of hydrogen chloride preferably a 13 ⁇ 4 generation aliphatic hydrocarbon, a 13 ⁇ 4 aromatic hydrocarbon or an aliphatic hydrocarbon
- a chlorinating reagent is reacted with a chlorinating reagent.
- U.S. Patent No. 5,453,507 discloses the preparation of hydrazine, ⁇ '-dimethyl- or hydrazine, hydrazine-di-n-octyl-4-isothiazolin-3-one, including hydrazine, ⁇ '-disubstituted Dithiodipropionamide
- the halogenated organic solvent e.g., CH 2 X 2 , CHX 3 , CX 3 CH 3 , CHX 2 CHX 2
- sulfuryl chloride e.g., CH 2 X 2 , CHX 3 , CX 3 CH 3 , CHX 2 CHX 2
- the object of the present invention is to improve the preparation method of the existing N-substituted isothiazolinone derivative, reduce the production cost thereof and reduce environmental pollution.
- the invention provides a process for the preparation of a compound of formula I,
- R 1 is selected from the group consisting of an alkyl group, a cycloalkyl group, and an aryl group, and R 1 may be further substituted with a group selected from the group consisting of an alkyl group, an aryl group, an alkoxy group, and an aryloxy group;
- R 2 and R 3 are independently hydrogen or chlorine
- the method includes:
- R 1 is as defined above
- R 1 is as defined above
- R 1 is selected from C r C 8 alkyl, C 3 -C 8 cycloalkyl, and C 6 -C 10 aryl group, and the R 1 may be further selected from C r C 8 alkyl group a group substituted with a C 6 -C 1() aryl group, a dC 8 alkoxy group, and a C 6 -C 1 () aryloxy group.
- R 1 may be C r C 8 alkyl, and R 1 may be further substituted by C 6 -C 1Q aryl or C r C 8 alkoxy.
- R 2 and R 3 may be hydrogen or both.
- the reaction is at about -10. C to about 75. It is carried out at a temperature of C, more preferably from room temperature to about 45. C is carried out.
- the method of the present invention eliminates the use of solvents when preparing N-substituted isothiazolinone derivatives, thereby avoiding various problems caused by the use of organic solvents, reducing production costs and reducing environmental pollution. ⁇
- the invention provides a process for the preparation of a compound of formula (III), which comprises: a compound of formula IV in a methanol solvent,
- the molar ratio of the compound of formula IV to the compound of formula V in the reaction is from about 1:2.0 to about 2.6.
- the reaction temperature is preferably about -15. C to about 65° (. Simplified separation and purification process of the product ⁇
- one aspect of the present invention provides a process for producing an N-substituted isothiazolinone derivative represented by Formula I,
- R 1 is selected from the group consisting of an alkyl group, a cycloalkyl group, and an aryl group, and R 1 may be further substituted with a group selected from the group consisting of an alkyl group, an aryl group, an alkoxy group, and an aryloxy group;
- R 2 and R 3 are independently hydrogen or chlorine
- the method includes:
- N-substituted 3-mercaptopropionamide of the formula II is obtained without using a solvent
- R 1 is as defined above
- R 1 is as defined above, Reacts with u acid chloride.
- alkyl group as used in the present invention generally means a linear or branched saturated aliphatic hydrocarbon group, preferably
- C o alkyl more preferably ( ⁇ -- 8 alkyl, such as decyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, n-pentyl, n-hexyl, Positive heptyl, n-octyl and so on.
- ⁇ -- 8 alkyl such as decyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, n-pentyl, n-hexyl, Positive heptyl, n-octyl and so on.
- cycloalkyl group as used in the present invention generally means a saturated alicyclic hydrocarbon group. It is preferably a C 3 -C 1Q cycloalkyl group, more preferably a C 3 -C 8 cycloalkyl group such as a cyclopropyl group, a cyclobutyl group, a cyclopentyl group or the like.
- the "aryl group” as used in the present invention generally means an aromatic hydrocarbon group, preferably C 6 - C 2 .
- the aryl group is more preferably a C 6 -C 1() aryl group such as a phenyl group and a decyl group, and more preferably a phenyl group.
- no solvent used as used in the present invention means that other materials for dissolving the reactants, intermediates or final products are not additionally added except for the reactants.
- sulfuryl chloride serves both as a reactant and as a solvent in the initial stage of the reaction.
- the isothiazolinone derivative formed by the reaction is used as a reaction solvent, so that it is not necessary to add another organic solvent.
- the target product can be isolated and purified by well known techniques including, but not limited to, recrystallization and solvent extraction.
- R 1 is -C 8 alkyl, and R 1 may be substituted by C 6 -C 1Q aryl or C r C 8 alkoxy. More preferably, R 1 is C r C 8 alkyl group, particularly preferably n-octyl.
- R 2 and R 3 are both hydrogen or both.
- the process comprises reacting a compound of formula (II) with decanoyl chloride. More preferably, the molar ratio of the compound of the formula (II) to decanoyl chloride is about 1:1-11.
- chlorine gas may be used simultaneously as a chlorinating agent.
- the process of the invention comprises: reacting a compound of formula (III) with sulfuryl chloride, optionally in the presence of chlorine. More preferably, the molar ratio of the compound of the formula (III), sulfuryl chloride and chlorine is about 1:1-11:0-11. Particularly preferably, the molar ratio of the compound of the formula (III), sulfuryl chloride and chlorine is about 1:1-3:5-7.
- the process of the invention further comprises the step of preparing a compound of formula (III), said steps comprising:
- the molar ratio of the compound of the formula IV to the compound of the formula V is about 1:2.0-2.6.
- the reaction temperature is preferably about -15. C to about 65 ° C, more preferably from about 5 ° C to room temperature.
- the reaction time is from about 3 hours to about 5 days.
- Another aspect of the invention provides a process for the preparation of a compound of formula III, which comprises: dimethyl 3,3,-dithiodipropionate of formula IV in a sterol solvent,
- R 1 is C r C 8 alkyl, and R 1 may be substituted by C 6 -C 1() aryl or C r C 8 alkoxy. More preferably, R 1 is C r C 8 alkyl group, particularly preferably n-octyl.
- the molar ratio of the compound of the formula IV to the compound of the formula V in the reaction is from about 1:2.0 to 2.6.
- the reaction temperature is preferably about -15. C to about 65 ° C, more preferably from about 5 ° C to room temperature.
- the reaction time is from about 3 hours to about 5 days.
- methanol is also a reaction product of the compound of the formula IV and the compound of the formula V
- the introduction of other impurities by using decyl alcohol as a solvent simplifies the separation and purification process of the product.
- the reaction product The particles are enlarged to be easily separated from the mother liquor.
- the reaction mother liquor can be reused, and the sterol is easily recovered by distillation, reducing waste emissions.
- N-n-octylisothiazolinone including N-n-octyl-4-isothiazolin-3-one (OIT)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Thiazole And Isothizaole Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2006/000590 WO2007112613A1 (fr) | 2006-04-03 | 2006-04-03 | Préparation de dérivés d'isothiazolinone n-substitués |
KR1020087002734A KR101017031B1 (ko) | 2006-04-03 | 2006-04-03 | N-치환 이소치아졸리논 유도체의 제조 방법 |
CH01859/07A CH697358B1 (de) | 2006-04-03 | 2006-04-03 | Herstellung von N-substituierten Isothiazolinon-Derivaten. |
CN2006800247050A CN101218216B (zh) | 2006-04-03 | 2006-04-03 | N-取代的异噻唑啉酮衍生物的制备 |
JP2008523100A JP4889737B2 (ja) | 2006-04-03 | 2006-04-03 | N置換イソチアゾリノン誘導体の製造 |
US11/997,963 US7893273B2 (en) | 2006-04-03 | 2006-04-03 | Preparation of N-substituted isothiazolinone derivatives |
US13/008,344 US8927735B2 (en) | 2006-04-03 | 2011-01-18 | Preparation of N-substituted isothiazolinone derivatives |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2006/000590 WO2007112613A1 (fr) | 2006-04-03 | 2006-04-03 | Préparation de dérivés d'isothiazolinone n-substitués |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/997,963 A-371-Of-International US7893273B2 (en) | 2006-04-03 | 2006-04-03 | Preparation of N-substituted isothiazolinone derivatives |
US13/008,344 Division US8927735B2 (en) | 2006-04-03 | 2011-01-18 | Preparation of N-substituted isothiazolinone derivatives |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007112613A1 true WO2007112613A1 (fr) | 2007-10-11 |
Family
ID=38563069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2006/000590 WO2007112613A1 (fr) | 2006-04-03 | 2006-04-03 | Préparation de dérivés d'isothiazolinone n-substitués |
Country Status (6)
Country | Link |
---|---|
US (2) | US7893273B2 (zh) |
JP (1) | JP4889737B2 (zh) |
KR (1) | KR101017031B1 (zh) |
CN (1) | CN101218216B (zh) |
CH (1) | CH697358B1 (zh) |
WO (1) | WO2007112613A1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100234613A1 (en) * | 2007-10-25 | 2010-09-16 | Beijing Tianqing Chemicals Co., Ltd | process for continuously producing 3-isothiazolinone derivatives and intermediate products thereof |
WO2012031407A1 (zh) * | 2010-09-10 | 2012-03-15 | 大连星原化学有限公司 | 异噻唑啉酮及其衍生物的气载制备方法 |
CN112110871A (zh) * | 2020-11-03 | 2020-12-22 | 大连百傲化学股份有限公司 | 一种3-异噻唑啉酮类化合物的制备方法 |
CN112159365A (zh) * | 2020-10-13 | 2021-01-01 | 大连百傲化学股份有限公司 | 一种联产oit和dcoit的方法 |
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KR101569556B1 (ko) * | 2009-03-31 | 2015-11-16 | 나가세케무텍쿠스가부시키가이샤 | 살미생물제 |
JP5871800B2 (ja) * | 2010-08-11 | 2016-03-01 | 協和メデックス株式会社 | 糖化ヘモグロビンの測定方法 |
CN102002015B (zh) * | 2010-09-10 | 2013-05-01 | 大连星原化学有限公司 | 异噻唑啉酮及其衍生物的气载制备方法 |
US10016414B2 (en) | 2010-11-12 | 2018-07-10 | University Of Massachusetts | Modulation of ubiquitination of synaptic proteins for the treatment of neurodegenerative and psychiatric disorders |
CN103570642B (zh) * | 2012-08-01 | 2015-03-18 | 中国中化股份有限公司 | 一种异噻唑啉酮类化合物及其作为杀菌剂的用途 |
CN103804251B (zh) * | 2014-02-11 | 2015-11-18 | 三角轮胎股份有限公司 | 二硫或多硫低聚氨基酸及其制备方法 |
CN104072440B (zh) * | 2014-07-17 | 2019-01-29 | 上海化学试剂研究所有限公司 | 一种4,5-二氯-n-正辛基异噻唑啉酮的制备方法 |
CN106588810A (zh) * | 2016-11-29 | 2017-04-26 | 大连九信精细化工有限公司 | 一种2‑辛基‑3(2h)‑异噻唑酮的釜残深度氯化的方法 |
CN112110870B (zh) * | 2020-09-28 | 2022-06-03 | 大连百傲化学股份有限公司 | 一种2-甲基-4-异噻唑啉-3-酮水溶液的制备方法 |
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US3849430A (en) * | 1967-03-09 | 1974-11-19 | Rohm & Haas | Process for the preparation of 3-isothiazolones and 3-hydroxyisothiazoles |
US5315008A (en) * | 1991-02-06 | 1994-05-24 | Bromine Compounds Ltd. | Process for the preparation of isothiazolone |
US5453507A (en) * | 1991-05-10 | 1995-09-26 | Sunkyong Industries Co., Ltd. | Process for preparing 4-isothiazolin-3-one |
EP1113012A1 (en) * | 1999-12-27 | 2001-07-04 | Chemicrea Inc. | Method for producing 2-alkyl-4-isothiazoline-3-one |
JP2003335763A (ja) * | 2002-05-22 | 2003-11-28 | New Japan Chem Co Ltd | 2−置換−4−イソチアゾリン−3−オン及びその製造方法 |
CN1629148A (zh) * | 2004-10-10 | 2005-06-22 | 中国海洋大学 | 烷氧乙氧基丙基异噻唑啉酮及其制备方法和应用 |
CN1634899A (zh) * | 2004-10-16 | 2005-07-06 | 中国海洋大学 | 烷氧基丙基异噻唑啉酮及其制备方法和应用 |
CN1233635C (zh) * | 2003-11-10 | 2005-12-28 | 中国海洋大学 | 一种n-羟甲基异噻唑啉酮的制备方法 |
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2006
- 2006-04-03 WO PCT/CN2006/000590 patent/WO2007112613A1/zh active Application Filing
- 2006-04-03 CH CH01859/07A patent/CH697358B1/de not_active IP Right Cessation
- 2006-04-03 KR KR1020087002734A patent/KR101017031B1/ko not_active IP Right Cessation
- 2006-04-03 CN CN2006800247050A patent/CN101218216B/zh not_active Expired - Fee Related
- 2006-04-03 JP JP2008523100A patent/JP4889737B2/ja not_active Expired - Fee Related
- 2006-04-03 US US11/997,963 patent/US7893273B2/en not_active Expired - Fee Related
-
2011
- 2011-01-18 US US13/008,344 patent/US8927735B2/en not_active Expired - Fee Related
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US3849430A (en) * | 1967-03-09 | 1974-11-19 | Rohm & Haas | Process for the preparation of 3-isothiazolones and 3-hydroxyisothiazoles |
US5315008A (en) * | 1991-02-06 | 1994-05-24 | Bromine Compounds Ltd. | Process for the preparation of isothiazolone |
US5453507A (en) * | 1991-05-10 | 1995-09-26 | Sunkyong Industries Co., Ltd. | Process for preparing 4-isothiazolin-3-one |
EP1113012A1 (en) * | 1999-12-27 | 2001-07-04 | Chemicrea Inc. | Method for producing 2-alkyl-4-isothiazoline-3-one |
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CN1233635C (zh) * | 2003-11-10 | 2005-12-28 | 中国海洋大学 | 一种n-羟甲基异噻唑啉酮的制备方法 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100234613A1 (en) * | 2007-10-25 | 2010-09-16 | Beijing Tianqing Chemicals Co., Ltd | process for continuously producing 3-isothiazolinone derivatives and intermediate products thereof |
JP2011500735A (ja) * | 2007-10-25 | 2011-01-06 | 北京天▲チン▼化工有限責任公司 | 3−イソチアゾリノン誘導体およびその中間体生成物を連続的に生産する方法 |
US8507691B2 (en) * | 2007-10-25 | 2013-08-13 | Beijing Tianqing Chemicals Co. Ltd. | Process for continuously producing 3-isothiazolinone derivatives and intermediate products thereof |
WO2012031407A1 (zh) * | 2010-09-10 | 2012-03-15 | 大连星原化学有限公司 | 异噻唑啉酮及其衍生物的气载制备方法 |
CN112159365A (zh) * | 2020-10-13 | 2021-01-01 | 大连百傲化学股份有限公司 | 一种联产oit和dcoit的方法 |
CN112159365B (zh) * | 2020-10-13 | 2022-05-20 | 大连百傲化学股份有限公司 | 一种联产oit和dcoit的方法 |
CN112110871A (zh) * | 2020-11-03 | 2020-12-22 | 大连百傲化学股份有限公司 | 一种3-异噻唑啉酮类化合物的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2009502814A (ja) | 2009-01-29 |
JP4889737B2 (ja) | 2012-03-07 |
US20110112327A1 (en) | 2011-05-12 |
CN101218216A (zh) | 2008-07-09 |
KR20080026639A (ko) | 2008-03-25 |
KR101017031B1 (ko) | 2011-02-23 |
CH697358B1 (de) | 2008-08-29 |
US8927735B2 (en) | 2015-01-06 |
US7893273B2 (en) | 2011-02-22 |
US20080227986A1 (en) | 2008-09-18 |
CN101218216B (zh) | 2010-08-25 |
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