WO2006123521A1 - 酢酸(4-メルカプトフェニル)エステルおよびその製造方法 - Google Patents
酢酸(4-メルカプトフェニル)エステルおよびその製造方法 Download PDFInfo
- Publication number
- WO2006123521A1 WO2006123521A1 PCT/JP2006/308745 JP2006308745W WO2006123521A1 WO 2006123521 A1 WO2006123521 A1 WO 2006123521A1 JP 2006308745 W JP2006308745 W JP 2006308745W WO 2006123521 A1 WO2006123521 A1 WO 2006123521A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- acetic acid
- ester
- formula
- reaction
- acid
- Prior art date
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Classifications
-
- 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
- C07C323/10—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 singly-bound oxygen atoms bound to the same carbon skeleton
- C07C323/18—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 singly-bound oxygen atoms bound to the same carbon skeleton having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton
- C07C323/20—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 singly-bound oxygen atoms bound to the same carbon skeleton having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton with singly-bound oxygen atoms bound to carbon atoms of the same non-condensed six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C321/00—Thiols, sulfides, hydropolysulfides or polysulfides
- C07C321/24—Thiols, sulfides, hydropolysulfides, or polysulfides having thio groups bound to carbon atoms of six-membered aromatic rings
- C07C321/26—Thiols
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/02—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
- C07C303/22—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof from sulfonic acids, by reactions not involving the formation of sulfo or halosulfonyl groups; from sulfonic halides by reactions not involving the formation of halosulfonyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/02—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C321/00—Thiols, sulfides, hydropolysulfides or polysulfides
- C07C321/24—Thiols, sulfides, hydropolysulfides, or polysulfides having thio groups bound to carbon atoms of six-membered aromatic rings
Definitions
- the present invention relates to an acetic acid (4 mercaptophenol) ester and a method for producing the same.
- 1,7 di (4-hydroxyphenolthio) 3,5 dioxaheptane compounds used as developers for leuco dyes for example, 1,7 di (4-hydroxyphenolthio) 3,5-dioxaheptane is produced.
- 1,7 di (4-hydroxyphenolthio) 3,5-dioxaheptane is produced.
- a method of reacting p-hydroxybenzenethiol with bis (2-cycloethoxy) methane Japanese Patent Laid-Open No. 59-106456
- An object of the present invention is to provide acetic acid (4 mercaptophenol, which is useful as a raw material for the synthesis of 1,7 di (4 hydroxyphenylthio) 3,5-dioxaheptane compound useful as a developer. -L) To provide an ester and a method for producing the ester.
- the present invention provides an acetic acid (4 mercaptophenol) ester and a process for producing the same as shown below. [0007] 1. Formula (1);
- R is the same as defined above] 4 hydroxybenzenesulfonic acid represented by the formula (4) obtained by reacting with an acetylating agent;
- Acetic acid (4 mercaptophenol) ester represented by the following formula (1) is a novel compound useful as a raw material for the synthesis of 1,7 di (4-hydroxyphenylthio) -3,5-dioxaheptane compound. It is a substance. [0024] [Chemical 8]
- Ac represents a acetyl group
- R represents an alkyl group having 1 to 4 carbon atoms.
- alkyl group having 1 to 4 carbon atoms examples include a methyl group, an ethyl group, an n propyl group, an isopropyl group, an n butyl group, an isobutyl group, a sec butyl group, and a tert butyl group.
- Acetic acid (4 mercaptofur) ester represented by the formula (1) is represented by the following formula (2);
- examples of the halogen atom represented by X include a chlorine atom and a bromine atom.
- Acetic acid (4-halosulfonylphenyl) ester represented by the formula (2) is, for example, the following formula (
- acetylating agent examples include, but are not limited to, acetic anhydride, acetyl chloride, acetyl bromide, and the like.
- the amount of the acetylating agent used is preferably 1 to 4 moles per mole of 4-hydroxybenzenesulfonic acid from the viewpoint of improving the yield and economical efficiency! / ,.
- the solvent used in the acetylation reaction is not particularly limited as long as it is an inert solvent for the reaction, and examples thereof include black benzene, toluene, ethyl acetate, and isopropyl acetate. .
- the amount of the solvent used is preferably 100 to 10,000 parts by weight with respect to 100 parts by weight of 4-hydroxybenzenesulfonic acid from the viewpoint of improving operability and economy.
- the reaction temperature of acetylation is not particularly limited, but is preferably 20 ° C to 80 ° C. If the reaction temperature exceeds 80 ° C, side reactions will be a problem. On the other hand, if the reaction temperature is less than 20 ° C, the reaction rate is too low for practical use. Since the reaction time varies depending on the reaction temperature, it cannot be generally described, but is preferably 0.5 to 24 hours.
- the method for isolating and purifying the target acetic acid (4 sulfofuryl) ester from the reaction mixture obtained as described above is not particularly limited, but is crystallized as it is in the usual manner. And a method of extraction and recrystallization.
- a halogenating agent By reacting the acetic acid (4-sulfophenol) ester obtained by force with a halogenating agent, an acetic acid (4-halosulfurphenol) ester represented by the formula (2) is obtained.
- the rogenating agent include, but are not limited to, salt thiothionyl, trisalt phosphine, phosphorus pentachloride, thionyl bromide, and phosphorus tribromide.
- the amount of the halogenating agent used is preferably 1 to 4 moles per mole of acetic acid (4-sulfophenol) ester from the viewpoint of improving yield and economical efficiency! /.
- an amide compound may be added in addition to the halogenating agent.
- an amidy compound By reacting an amidy compound with a halogenating agent, a highly reactive Philsmeier complex is formed, which can promote the halogeny reaction.
- Examples of the amido compound used for promoting the halogenation reaction include N,
- Examples thereof include N dimethylformamide, N, N jetylformamide, N, N diisopropylformamide, N, N dimethylacetamide, N, N jetylacetamide, and N, N diisopropylacetamide.
- the amount of the amidyl compound used is not particularly limited, but from the viewpoint of improving the yield and economy, it is 1000 parts by weight or less with respect to 100 parts by weight of the acetic acid (4 sulfophenol) ester. I prefer to be there.
- the solvent used in the halogenation reaction is not particularly limited as long as it is an inert solvent for the reaction, and examples thereof include benzene, toluene, black benzene, and xylene.
- the amount of the solvent used is preferably 100 to 10,000 parts by weight with respect to 100 parts by weight of acetic acid (4-sulfophenol) ester from the viewpoint of improving operability and economy. .
- the reaction temperature of the halogenation is not particularly limited, but is preferably 10 ° C to 100 ° C. If the reaction temperature exceeds 100 ° C, side reactions will be a problem. Since the reaction time varies depending on the reaction temperature, it cannot be generally described, but is preferably 0.5 to 24 hours.
- the target acetic acid (4-halosulfonylphenol) is obtained.
- the method for isolating and purifying the (enyl) ester is not particularly limited, and examples thereof include a method of crystallizing as it is, a method of extracting and recrystallizing as usual.
- the acetic acid (4-mercaptofuryl) ester represented by the formula (1) is obtained by reducing the acetic acid (4-halosulfuryl) ester represented by the formula (2). It can be manufactured.
- the reducing agent used in the reduction reaction is not particularly limited, and examples thereof include sodium borohydride, zinc powder and hydrogen. Of these, zinc powder is preferred from the viewpoint of improving operability and economy.
- the amount of the reducing agent used is preferably 3 to 10 mol with respect to 1 mol of acetic acid (4-halosulfo-phenol) ester from the viewpoint of improving the yield and economy. Better!/,.
- the reaction is preferably performed in the presence of an acid.
- Acids used include mineral acids such as sulfuric acid, hydrochloric acid, nitric acid and phosphoric acid; organic carboxylic acids such as acetic acid, oxalic acid and benzoic acid; and organic sulfonic acids such as methanesulfonic acid and p-toluenesulfonic acid. Can be mentioned.
- the amount of the acid used is not particularly limited, but from the viewpoint of improving the yield and from the viewpoint of economy, it is preferable that the amount is 1 to: mol per mol of zinc powder.
- the solvent used in the reduction reaction is not particularly limited as long as it is an inert solvent for the reaction, and examples thereof include benzene, toluene, black benzene, and xylene.
- the amount of the solvent to be used is not particularly limited, but from the viewpoint of improving operability and economical efficiency, it is 100 to 10,000 weights per 100 parts by weight of acetic acid (4-halosulfurphenol) ester. I like to be a part! /
- the reaction temperature is not particularly limited, but is preferably 30 ° C to 120 ° C. If the reaction temperature and force exceed S120 ° C, side reactions will be a problem. On the other hand, if it is less than 30 ° C, the reaction rate is practically too slow. Since the reaction time varies depending on the reaction temperature, it cannot be generally specified, but is preferably 0.5 to 24 hours.
- Method for isolating and purifying acetic acid (4 mercaptophenyl) ester obtained by kneading examples include a method of distilling off the solvent as it is, a method of distilling after concentration, and the like as usual, without being particularly limited.
- the acetic acid (4-mercaptophenol) ester of the present invention can be used as a raw material for synthesis of a developer and the like.
- the acetic acid (4 mercaptophenol) ester of the present invention and bis (2-cycloethoxy) methane are reacted in the presence of a base such as a metal halide or a metal alcoholate, followed by hydrolysis.
- a base such as a metal halide or a metal alcoholate
- hydrolysis it is possible to produce a 1,7 di (4-hydroxyphenol) 3,5 dioxaheptane compound that is useful as a developer that does not by-produce polymerized impurities.
- a four-necked flask equipped with a stirrer, thermometer and condenser is charged with 182. Og (0.9 mol) of 3-ethyl-4-hydroxybenzenesulfonic acid and 280 g of ethyl acetate and kept at 15 ° C. While stirring, 169.6 g (2.16 mol) of acetyl chloride was dropped over 2 hours, and further stirred at the same temperature for 1 hour. Thereafter, the reaction solution was concentrated, and the precipitated crystals were filtered to obtain 208.8 g of acetic acid (2-ethyl-4-sulfophenyl) ester. The yield of the obtained acetic acid (2-ethyl-4-sulfophenyl) ester was 95% with respect to 3-ethyl-4-hydroxybenzenesulfonic acid.
- reaction product was an acetic acid (2-ethyl-4-sulfophenyl) ester.
- reaction product was acetic acid (4 chlorosulfo-lu-2-ethyl chloride) ester.
- a four-necked flask equipped with a stirrer, thermometer and condenser is charged with 188.2 g (l.0 mol) of 3-methyl 4-hydroxybenzenesulfonic acid and 300 g of ethyl acetate and kept at 15 ° C. While stirring, 188.4 g (2.4 mol) of acetyl chloride was dropped over 2 hours, and further stirred at the same temperature for 1 hour. Then, the reaction solution was concentrated and the precipitated crystals Was filtered to give 214. lg of acetic acid (2-methyl-4-sulfophenol) ester. The yield of the obtained acetic acid (2-methyl-4-sulfophenol) ester was 93% based on 3-methyl-4-hydroxybenzenesulfonic acid.
- reaction product was acetic acid (2-methyl-4-sulfophenol) ester.
- reaction product was acetic acid (4-mercapto-2-ethylphenol) ester.
- reaction product was acetic acid (4 mercapto-2-methylphenol) ester.
- Aromatic ring 7.10-7.17 (2H, m, aromatic ring).
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/918,618 US20090082590A1 (en) | 2005-05-17 | 2006-04-26 | 4-Mercaptophenyl ester of acetic acid and process for producing the same |
EP06745723A EP1882683A1 (en) | 2005-05-17 | 2006-04-26 | 4-mercaptophenyl ester of acetic acid and process for producing the same |
CA002605399A CA2605399A1 (en) | 2005-05-17 | 2006-04-26 | 4-mercaptophenyl ester of acetic acid and process for producing the same |
JP2007516236A JPWO2006123521A1 (ja) | 2005-05-17 | 2006-04-26 | 酢酸(4−メルカプトフェニル)エステルおよびその製造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005143363 | 2005-05-17 | ||
JP2005-143363 | 2005-05-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006123521A1 true WO2006123521A1 (ja) | 2006-11-23 |
Family
ID=37431099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/308745 WO2006123521A1 (ja) | 2005-05-17 | 2006-04-26 | 酢酸(4-メルカプトフェニル)エステルおよびその製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090082590A1 (ja) |
EP (1) | EP1882683A1 (ja) |
JP (1) | JPWO2006123521A1 (ja) |
KR (1) | KR20080007621A (ja) |
CN (1) | CN101175721A (ja) |
CA (1) | CA2605399A1 (ja) |
WO (1) | WO2006123521A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4242251A1 (en) * | 2022-03-11 | 2023-09-13 | Nouryon Chemicals International B.V. | Production of bis-thiol compounds and use thereof in the production of liquid polysulfide polymers |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58188854A (ja) * | 1982-04-30 | 1983-11-04 | Hokko Chem Ind Co Ltd | ベンゼンチオ−ル類の改良製法 |
JPS59106456A (ja) * | 1982-12-10 | 1984-06-20 | Ricoh Co Ltd | 新規なフエノ−ル性化合物 |
JP2000256306A (ja) * | 1999-03-03 | 2000-09-19 | Toray Ind Inc | 芳香族チオール類の製造法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6878728B1 (en) * | 1999-06-11 | 2005-04-12 | Vertex Pharmaceutical Incorporated | Inhibitors of aspartyl protease |
-
2006
- 2006-04-26 US US11/918,618 patent/US20090082590A1/en not_active Abandoned
- 2006-04-26 EP EP06745723A patent/EP1882683A1/en not_active Withdrawn
- 2006-04-26 WO PCT/JP2006/308745 patent/WO2006123521A1/ja active Application Filing
- 2006-04-26 CA CA002605399A patent/CA2605399A1/en not_active Abandoned
- 2006-04-26 CN CNA2006800168006A patent/CN101175721A/zh active Pending
- 2006-04-26 KR KR1020077027043A patent/KR20080007621A/ko not_active Application Discontinuation
- 2006-04-26 JP JP2007516236A patent/JPWO2006123521A1/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58188854A (ja) * | 1982-04-30 | 1983-11-04 | Hokko Chem Ind Co Ltd | ベンゼンチオ−ル類の改良製法 |
JPS59106456A (ja) * | 1982-12-10 | 1984-06-20 | Ricoh Co Ltd | 新規なフエノ−ル性化合物 |
JP2000256306A (ja) * | 1999-03-03 | 2000-09-19 | Toray Ind Inc | 芳香族チオール類の製造法 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2006123521A1 (ja) | 2008-12-25 |
EP1882683A1 (en) | 2008-01-30 |
CA2605399A1 (en) | 2006-11-23 |
CN101175721A (zh) | 2008-05-07 |
KR20080007621A (ko) | 2008-01-22 |
US20090082590A1 (en) | 2009-03-26 |
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