WO2007086330A1 - ハロゲン置換ベンゼンジメタノールの製造法 - Google Patents
ハロゲン置換ベンゼンジメタノールの製造法 Download PDFInfo
- Publication number
- WO2007086330A1 WO2007086330A1 PCT/JP2007/050869 JP2007050869W WO2007086330A1 WO 2007086330 A1 WO2007086330 A1 WO 2007086330A1 JP 2007050869 W JP2007050869 W JP 2007050869W WO 2007086330 A1 WO2007086330 A1 WO 2007086330A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- halogen
- substituted
- formula
- producing
- borohydride
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/147—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B61/00—Other general methods
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C33/00—Unsaturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C33/40—Halogenated unsaturated alcohols
- C07C33/46—Halogenated unsaturated alcohols containing only six-membered aromatic rings as cyclic parts
Definitions
- the present invention relates to a method for producing a halogen-substituted benzene dimethanol.
- Halogen-substituted benzenedimethanol is an important compound as a raw material and intermediate for medicines and agrochemicals.
- 2, 3, 5, 6-tetrafluorobenzenedimethanol is disclosed in US Pat. No. 4,92,782.52, as being useful as an intermediate for household insecticides. Yes.
- Such a halogen-substituted benzenedimethanol can be produced by reacting 2,3, .5,6-tetrafluoroterephthalic acid with sodium borohydride, and then producing an alkylating agent, a sulfuric acid, an alkylsulfonic acid or A method of reacting with reel sulfonic acid is disclosed in US Pat. No. 6,7 5,9 5,58. Disclosure of the invention
- the present invention relates to an organic solvent ′ having the formula (1)
- X 1 , X 2 , X 3 and X 4 are the same or different and each represents a hydrogen atom or a halogen atom. However, X 1 , X 2 , X 3 and X 4 are simultaneously hydrogen atoms. Is not represented.)
- examples of the halogen atom represented by X 1 , X 2 , X 3 and X 4 include a fluorine atom, a chlorine atom and a bromine atom,
- X 1 , X 2 , X 3 and X 4 are preferably fluorine atoms.
- halogen-substituted terephthalic acid represented by the formula (1) examples include 2-fluoroterephthalic acid,
- 2-Chloroterephthalic acid 2,5-Difluoroterephthalic acid, 2,6-Difluoroterephthalic acid, 2,3-Difluoroterephthalic acid, 2,5-Dichloroterephthalic acid, 2, '6-Dichloroterephthalic acid Acid, 2,3-dichloroterephthalic acid, 2,3,5-trifluoroterephthalic acid, 2,3,5-trichloroterephthalic acid, 2,3,5,6-tetrafluoroterephthalic acid, 2 3, 5, 6-tetrachloroterephthalic acid, 2, 3, 5-trifluoro-6-chloroterephthalic acid, and the like.
- the halogen-substituted terephthalic acid represented by the formula (1) can be produced by a known method such as a method of hydrolyzing the corresponding halogen-substituted terephthalonitrile (see US Pat. No. 5,579,877).
- borohydride compounds include sodium borohydride, lithium borohydride, borohydride metal salts such as borohydride lithium, borohydride metal such as calcium borohydride and magnesium borohydride. Examples thereof include reusable metal salts. In terms of availability, borohydride metal salt is preferable, and sodium borohydride is more preferable.
- a borohydride compound is usually a commercially available one, but a borohydride compound prepared according to a known method may be used. For example, sodium borohydride can be easily prepared from borate esters and sodium hydride. Other borohydride compounds can be prepared by reaction of sodium borohydride with the corresponding metal halide.
- calcium borohydride is obtained by reaction of sodium borohydride and calcium chloride. It is.
- one prepared in advance may be added to the reaction system or may be prepared in the reaction system.
- the amount of borohydride compound used is usually 1 mole or more per mole of halogen-substituted terephthalic acid represented by the formula (1), and there is no particular upper limit.
- the amount is 5 mol or less, preferably 2 to 3 mol.
- organic solvent examples include ether solvents such as jetyl ether, methyl tert-butyl ether, tetrahydrofuran, dioxane, diisopropyl ether, and dimethoxyethane, and aromatic hydrocarbon solvents such as toluene, xylene, and black benzene.
- ether solvents such as jetyl ether, methyl tert-butyl ether, tetrahydrofuran, dioxane, diisopropyl ether, and dimethoxyethane
- aromatic hydrocarbon solvents such as toluene, xylene, and black benzene.
- a monotelluene solvent is preferred, and dimethoxyethane is more preferred.
- the amount of the organic solvent used is not particularly limited. The amount is usually 1 to 100 times by weight with respect to the halogen-substituted terephthalic acid represented by the formula (1).
- the reaction temperature is usually 120 to 200, preferably 0 to 100 ° C.
- the reaction between the octalogen-substituted terephthalic acid represented by the formula (1) and the borohydride compound is carried out by mixing the organic solvent, the halogen-substituted terephthalic acid represented by the formula (1) and the borohydride compound. Is done.
- the order of their mixing is not particularly limited.
- a halogen-substituted terephthalic acid represented by the formula (1) or a halogen-substituted terephthalic acid represented by the formula (1) is a method of adding a mixture with an organic solvent.
- the reaction time is usually 5 to 24 hours.
- Such a reaction is usually carried out under normal pressure conditions, but may be carried out under pressurized conditions.
- the progress of the reaction is determined by ordinary analytical means such as gas chromatography and liquid chromatography. Can be confirmed.
- the target formula is obtained.
- a halogen-substituted benzenedimethanol represented by (2) can be obtained.
- hydrogen chloride an organic solvent solution of hydrogen chloride gas, hydrochloric acid and hydrogen chloride can be used, and hydrochloric acid is preferable in terms of operability and availability.
- Commercially available hydrogen chloride may be used as it is, or it may be used as a mixture with a gas inert to the reaction, an organic solvent, water or the like.
- hydrochloric acid it is preferable to use a hydrochloric acid having a high concentration, and concentrated hydrochloric acid is more preferable.
- the organic solvent solution of hydrogen chloride include a hydrogen chloride / dioxane solution, a hydrogen chloride / tetrahydrofuran solution, and a hydrogen chloride / dimethoxyethane solution.
- the amount of hydrogen chloride used is usually 1 mol or more with respect to 1 mol of the borohydride compound used in the reaction between the halogen-substituted terephthalic acid represented by the above formula (1) and the hydrogenated fluorine compound. Although there is no upper limit, it is practically 10 moles or less in consideration of economic aspect and volumetric efficiency.
- the contact between the reaction mixture obtained by the reaction of the halogen-substituted terephthalic acid represented by the formula (1) and the borohydride compound with hydrogen chloride is, for example, the reaction mixture adjusted to 40 to 70 ° C. It is carried out by a method of adding hydrogen chloride inside.
- the reaction mixture may be used as it is. For example, it may be used after adding the ether solvent, the aromatic hydrocarbon solvent or the like.
- the contact time between the reaction mixture and hydrogen chloride is usually 0.5 to 24 hours.
- the contact of the reaction mixture with salt and hydrogen is usually carried out under normal pressure conditions, but may be carried out under pressurized conditions.
- the progress of the reaction can be confirmed by ordinary analytical means such as gas chromatography or liquid chromatography.
- the reaction mixture obtained is added with water or an organic solvent insoluble in water as necessary, and subjected to extraction treatment, and the obtained organic layer is concentrated to obtain the formula (2).
- Halogen-substituted benzenedimethanol can be removed.
- Halogen represented by the extracted formula (2) The substituted benzenedimethanol may be further purified by ordinary purification means such as recrystallization and column chromatography.
- the halogen-substituted benzene dimethanol represented by the formula (2) thus obtained is 2-fluoro-1,4-benzenedimethanol, 2-chloro-1,4-benzenedimethanol, 2,5-difluoro-1 , 4-benzenedimethanol, 2,6-difluoro-1,
- a 200 ml flask was charged with 2.58 g of sodium borohydride and 25 g of dimethoxyethane at room temperature, and the resulting mixture was heated to 50 ° C. While stirring at the same temperature, a mixed solution of 6. lg of 2, 3, 5, 6-tetrafluoroterephthalic acid and 20 g of dimethoxyethane was added dropwise to the mixture over 1 hour, and 60 ° C. For 7 hours. To the reaction mixture was added 20 g of toluene, and the resulting mixture was cooled to 50 ° C. Then, 8.5 g of 35 wt% aqueous hydrochloric acid was added dropwise over 1 hour, and the mixture was further stirred at 60 ° C for 6 hours.
- a 200 ml flask was charged with 2.3 g of sodium borohydride and 25 g of dimethoxyethane at room temperature, and the resulting mixture was heated to 50 ° C. While stirring at the same temperature, a mixed solution of 2,3,5,6-tetrafluoroterephthalic acid 6.1 g and dimethoxyethane 30 was added dropwise to the mixture over 1 hour. For 2 hours. To the reaction mixture, 15.5 g of a 14 wt% hydrogen chloride / dioxane solution was added dropwise at 60 ° C. over 3 hours, and the mixture was stirred and held at the same temperature for 5 hours.
- a 200 ml 1 flask was charged with 2.58 g of sodium borohydride and 25 g of dimethoxyethane at room temperature, and the resulting mixture was heated to 50 ° C. While stirring at the same temperature, a mixed solution of 6. lg of 2, 3, 5, 6-tetrafluoroterephthalic acid and 20 g of dimethoxyethane was added dropwise to the mixture over 1 hour. The reaction was performed for 7 hours. To the reaction mixture, 25 g of toluene was added, and the resulting mixture was cooled to 25 ° C. Then, 25 to 30 g of 35 wt% hydrochloric acid aqueous solution (8.5 g) was added dropwise over 1 hour.
- a halogen-substituted benzene dimethanol useful as a pharmaceutical or agrochemical intermediate or the like can be produced with high yield, and is industrially useful.
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT07713673T ATE517075T1 (de) | 2006-01-24 | 2007-01-16 | Verfahren zur herstellung von halogensubstituiertem benzoldimethanol |
KR1020087020445A KR101287752B1 (ko) | 2006-01-24 | 2007-01-16 | 할로겐 치환 벤젠디메탄올의 제조 방법 |
US12/160,317 US7956223B2 (en) | 2006-01-24 | 2007-01-16 | Method for producing halogen-substituted benzenedimethanol |
CN2007800027977A CN101370759B (zh) | 2006-01-24 | 2007-01-16 | 制备卤素取代的苯二甲醇的方法 |
EP07713673A EP1978008B1 (en) | 2006-01-24 | 2007-01-16 | Method for producing halogen-substituted benzenedimethanol |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-014720 | 2006-01-24 | ||
JP2006014720 | 2006-01-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007086330A1 true WO2007086330A1 (ja) | 2007-08-02 |
Family
ID=38309123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/050869 WO2007086330A1 (ja) | 2006-01-24 | 2007-01-16 | ハロゲン置換ベンゼンジメタノールの製造法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7956223B2 (ja) |
EP (1) | EP1978008B1 (ja) |
KR (1) | KR101287752B1 (ja) |
CN (1) | CN101370759B (ja) |
AT (1) | ATE517075T1 (ja) |
ES (1) | ES2366745T3 (ja) |
WO (1) | WO2007086330A1 (ja) |
ZA (1) | ZA200806108B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102341367A (zh) * | 2009-03-05 | 2012-02-01 | 住友化学株式会社 | 卤素取代苯二甲醇的制造方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7973201B2 (en) | 2006-06-27 | 2011-07-05 | Sumitomo Chemical Company, Limited | Process for production of halogen-substituted benzenedimethanol |
KR20180041425A (ko) * | 2016-10-14 | 2018-04-24 | 주식회사 창발켐텍 | 할로겐이 치환된 벤질 알코올의 제조방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4927852A (en) | 1987-08-06 | 1990-05-22 | Imperial Chemical Industries Plc | Insecticidal compounds characterized by enhanced knockdown effect |
US5792887A (en) | 1994-03-08 | 1998-08-11 | Zeneca Limited | Decarboxylation process |
JPH1143455A (ja) * | 1997-07-25 | 1999-02-16 | Mitsubishi Chem Corp | ハロゲン化アルコールの製造方法 |
JP2002332251A (ja) * | 2001-04-06 | 2002-11-22 | Bayer Ag | ハロゲン置換ジベンジルアルコールの製造方法、ハロゲン置換ジベンジルアルコールおよびそれらの使用 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9126677D0 (en) | 1991-12-16 | 1992-02-12 | Johnson Matthey Plc | Improvements in chemical compounds |
CN1204104C (zh) * | 2003-06-06 | 2005-06-01 | 天津大学 | 2,3,5,6-四氟对甲基苄醇的制备方法 |
CN1605581A (zh) * | 2003-10-10 | 2005-04-13 | 江苏扬农化工股份有限公司 | 一种拟除虫菊酯化合物中间体的制备方法 |
EP1783108B1 (en) * | 2004-08-05 | 2010-12-22 | Sumitomo Chemical Company, Limited | Method for producing halogen-substituted benzenedimethanol |
-
2007
- 2007-01-16 KR KR1020087020445A patent/KR101287752B1/ko not_active IP Right Cessation
- 2007-01-16 US US12/160,317 patent/US7956223B2/en not_active Expired - Fee Related
- 2007-01-16 ES ES07713673T patent/ES2366745T3/es active Active
- 2007-01-16 CN CN2007800027977A patent/CN101370759B/zh not_active Expired - Fee Related
- 2007-01-16 AT AT07713673T patent/ATE517075T1/de not_active IP Right Cessation
- 2007-01-16 ZA ZA200806108A patent/ZA200806108B/xx unknown
- 2007-01-16 WO PCT/JP2007/050869 patent/WO2007086330A1/ja active Application Filing
- 2007-01-16 EP EP07713673A patent/EP1978008B1/en not_active Not-in-force
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4927852A (en) | 1987-08-06 | 1990-05-22 | Imperial Chemical Industries Plc | Insecticidal compounds characterized by enhanced knockdown effect |
US5792887A (en) | 1994-03-08 | 1998-08-11 | Zeneca Limited | Decarboxylation process |
JPH1143455A (ja) * | 1997-07-25 | 1999-02-16 | Mitsubishi Chem Corp | ハロゲン化アルコールの製造方法 |
JP2002332251A (ja) * | 2001-04-06 | 2002-11-22 | Bayer Ag | ハロゲン置換ジベンジルアルコールの製造方法、ハロゲン置換ジベンジルアルコールおよびそれらの使用 |
US6759558B2 (en) | 2001-04-06 | 2004-07-06 | Bayer Aktiengesellschaft | Process for preparing halogen-substituted dibenzyl alcohols, these halogen-substituted dibenzyl alcohols and their use |
Non-Patent Citations (1)
Title |
---|
MISHRA A. ET AL, DYES AND PIGMENTS, vol. 63, no. 2, 2004, pages 191 - 202, XP004510038 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102341367A (zh) * | 2009-03-05 | 2012-02-01 | 住友化学株式会社 | 卤素取代苯二甲醇的制造方法 |
Also Published As
Publication number | Publication date |
---|---|
ZA200806108B (en) | 2009-10-28 |
ATE517075T1 (de) | 2011-08-15 |
EP1978008A1 (en) | 2008-10-08 |
EP1978008B1 (en) | 2011-07-20 |
CN101370759B (zh) | 2012-06-27 |
EP1978008A4 (en) | 2009-02-25 |
KR20080090521A (ko) | 2008-10-08 |
US20100222613A1 (en) | 2010-09-02 |
US7956223B2 (en) | 2011-06-07 |
ES2366745T3 (es) | 2011-10-25 |
CN101370759A (zh) | 2009-02-18 |
KR101287752B1 (ko) | 2013-07-19 |
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