WO2013183380A1 - β-(メタ)アクリロイルオキシ-γ-ブチロラクトン類の製造方法 - Google Patents
β-(メタ)アクリロイルオキシ-γ-ブチロラクトン類の製造方法 Download PDFInfo
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- WO2013183380A1 WO2013183380A1 PCT/JP2013/061886 JP2013061886W WO2013183380A1 WO 2013183380 A1 WO2013183380 A1 WO 2013183380A1 JP 2013061886 W JP2013061886 W JP 2013061886W WO 2013183380 A1 WO2013183380 A1 WO 2013183380A1
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- ALRKOZVWDDKMPA-UHFFFAOYSA-N CC(C1)(COC1=O)OC(C(C)=C)=O Chemical compound CC(C1)(COC1=O)OC(C(C)=C)=O ALRKOZVWDDKMPA-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
- C07D307/32—Oxygen atoms
- C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
- C07D307/32—Oxygen atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
- C08F220/282—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing two or more oxygen atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
- C08F220/283—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing one or more carboxylic moiety in the chain, e.g. acetoacetoxyethyl(meth)acrylate
Definitions
- the present invention relates to a process for producing ⁇ - (meth) acryloyloxy- ⁇ -butyrolactone, which is a kind of 5-membered lactone-based (meth) acrylic acid ester-based compound, and ⁇ - (meth) acryloyl obtained by the process.
- the present invention relates to an oxy- ⁇ -butyrolactone compound.
- (Meth) acrylic acid ester compounds are copolymerized with other polymerizable monomers and used in various applications such as optical materials, resist materials, coating materials, and laminate materials.
- Resist materials are widely used in processes such as patterning by photolithography such as printed circuit boards, liquid crystal display panels, and semiconductor device manufacturing, and fine processing, and in particular, in photolithography processes for manufacturing semiconductor devices, finer processing is possible. Therefore, studies have been made on short wavelength exposure to shorten the exposure wavelength and increase the resolution, and studies on chemically amplified resist materials corresponding to the short wavelength exposure are being actively conducted.
- Chemically amplified resist materials are polymer components obtained by copolymerizing multiple polymerizable monomers such as (meth) acrylic acid ester compounds, and photoacid generation that changes the solubility of polymer components when exposed to an exposure light source. Mainly provided as a combination of agents and solvents. Resist materials must satisfy properties such as coating properties, adhesion, processing resistance, developability, and solubility, as well as properties related to exposure wavelength such as light transmittance and photosensitivity. .
- the polymer component has high transmittance at the exposure wavelength, and after exposure, the exposed area is solubilized in an alkali developer by causing a deprotection reaction with the acid generated from the photoacid generator, or conversely insolubilized.
- the lithography resist pattern resist pattern roughness and pattern width fluctuations are reduced, and the pattern is resistant to pattern collapse. It is required to satisfy the characteristics.
- a polymer component obtained by copolymerizing a plurality of polymerizable monomers is used.
- a polymerizable monomer such as a lactone (meth) acrylic acid ester compound having a high light transmittance at exposure wavelength and good adhesion, an adamantane skeleton having a high light transmittance at exposure wavelength, and good etching resistance
- a polymerizable monomer having a norbornane skeleton or an alicyclic skeleton a polymerizable monomer that is decomposed by an acid generator to become alkali-soluble
- a polymer component obtained by copolymerizing an alkali-soluble polymerizable monomer etc. It is used.
- Lactone (meth) acrylic acid ester compounds include compounds having a 6-membered lactone ( ⁇ -valerolactone) skeleton, compounds having a 5-membered lactone ( ⁇ -butyrolactone) skeleton, and skeletons of norbornane and lactone fused together.
- Various kinds of polymerizable compounds such as compounds having a cyclohexane lactone ring structure have been developed and incorporated as polymer components, and studies are being actively conducted to realize chemically amplified resist materials with balanced properties. .
- Examples of (meth) acrylic acid ester compounds having a 5-membered lactone ( ⁇ -butyrolactone) skeleton include ⁇ - (meth) acryloyloxy- ⁇ -butyrolactones (Patent Document 1) and ⁇ - (meth) acryloyloxy- ⁇ .
- -Butyrolactones Patent Document 2 are known, and in particular, ⁇ - (meth) acryloyloxy- ⁇ -butyrolactones having a substituent at the ⁇ -position are provided industrially and are useful for chemically amplified resist compositions It is used for.
- ⁇ - (meth) acryloyloxy- ⁇ -butyrolactone is difficult to produce on an industrial scale, and its industrial use is limited. Depending on the structure of the compound, it has not been synthesized until now.
- Non-Patent Document 1 ⁇ - (Meth) acryloyloxy- ⁇ -butyrolactones are known to have superior acid deprotection and lithography properties compared to ⁇ - (meth) acryloyloxy- ⁇ -butyrolactones.
- Establish of a production method that can be manufactured at low cost is demanded (Non-Patent Document 1).
- ⁇ - (meth) acryloyloxy- ⁇ -butyrolactone is obtained and esterified with (meth) acrylic acid chloride or (meth) acrylic acid, or ( A method of transesterifying with a (meth) acrylic acid ester (Patent Document 2) and a method of reacting (meth) acrylic acid with a halo- ⁇ -butyrolactone (Patent Document 3) are known.
- Patent Document 2 A method of transesterifying with a (meth) acrylic acid ester
- Patent Document 3 a method of reacting (meth) acrylic acid with a halo- ⁇ -butyrolactone
- a compound having a hydroxy group or a halogen group at the ⁇ -position of the ⁇ -butyrolactone ring is produced and produced by esterification with (meth) acrylic acid or a derivative thereof.
- a bromoacetic acid 2-oxopropyl ester or a bromoacetic acid 2- ester can be obtained by esterification of a bromoacetic acid halide with hydroxyacetone or 3-hydroxypropionaldehyde.
- Patent Document 2 Formylethyl, which is lactonized in the presence of a catalyst to obtain ⁇ -hydroxy- ⁇ -methyl- ⁇ -butyrolactone or ⁇ -hydroxy- ⁇ -butyrolactone (Patent Document 2), produced from 3,4-dihydroxybutyric acid And the like (Patent Documents 4 and 7), the method of manufacturing a ⁇ , ⁇ -unsaturated carboxylic acid as a raw material (Patent Document 5), etc.
- bromoacetic acid 2-oxopropyl ester or bromoacetic acid 2-formylethyl becomes ⁇ -hydroxy- ⁇ -methyl- ⁇ -butyrolactone or ⁇ -
- the method of obtaining hydroxy- ⁇ -butyrolactone is difficult to use as an industrial production method because the yield of each step is low and the zinc powder used as a catalyst needs to be pretreated.
- Patent Document 4 hydrogen peroxide is used to produce 3,4-dihydroxybutyric acid (Patent Document 4) or cyanide is used (Patent Document 7). This is a technique that requires the use of toxic and toxic substances.
- the method for producing ⁇ , ⁇ -unsaturated carboxylic acid as a raw material is an excellent method for synthesizing ⁇ -hydroxy- ⁇ -butyrolactone in one step using 3-butenoic acid as a raw material. This is the reaction used, and appropriate process control and waste disposal are necessary.
- Non-patent Document 2 As a method for producing a ⁇ -butyrolactone skeleton, it is known that a compound having a ⁇ -propiolactone skeleton is isomerized to become a ⁇ -butyrolactone skeleton (Non-patent Document 2).
- Non-patent Document 2 When producing a hydroxy compound of ⁇ -butyrolactone using this method, it is necessary to prepare in advance a hydroxymethyl compound having a ⁇ -propiolactone skeleton corresponding to the hydroxy compound of ⁇ -butyrolactone. Become.
- a method for producing a compound having a ⁇ -propiolactone skeleton for example, a method of reacting an aliphatic aldehyde and a ketene (Patent Document 6) is known, and ⁇ -butyrolactone, ⁇ -propiolactone, ⁇ -It is disclosed for use in the synthesis of low molecular weight lactones having a beta skeleton such as caprolactone.
- the present invention provides an industrial process for producing ⁇ - (meth) acryloyloxy- ⁇ -butyrolactone, which is a kind of 5-membered ring lactone (meth) acrylic ester compound,
- An object is to provide a ⁇ - (meth) acryloyloxy- ⁇ -butyrolactone compound produced by the production method.
- the present inventor has intensively studied to solve the above problems, and generates a (meth) acrylic acid ester compound having a ⁇ -propiolactone skeleton, and the resulting (meth) acrylic acid ester having a ⁇ -propiolactone skeleton.
- ⁇ - (meth) acryloyloxy- ⁇ -butyrolactone can be efficiently produced, and further, the conditions under which this is performed in one reaction step have been found, and various ⁇ A-(meth) acryloyloxy- ⁇ -butyrolactone compound was produced.
- the present invention includes the following configurations.
- ⁇ - (meth) acryloyloxy- represented by the formula (2) characterized by isomerizing a (meth) acrylic acid ester compound having a ⁇ -propiolactone skeleton represented by the formula (1)
- a method for producing a ⁇ -butyrolactone compound In the formula, R 1 is hydrogen or methyl, and R 2 , R 3 , R 4 , R 5 , and R 6 are independently hydrogen or alkyl having 1 to 5 carbon atoms.
- R 1 is hydrogen or methyl
- R 2 , R 3 , R 4 , R 5 , and R 6 are independently hydrogen or alkyl having 1 to 5 carbon atoms.
- a ⁇ - (meth) acryloyloxy- ⁇ -butyrolactone compound it is possible to industrially produce a ⁇ - (meth) acryloyloxy- ⁇ -butyrolactone compound and provide the compound, and various uses such as an optical material, a resist material, a coating material, and a laminate material. It can be used as a polymerizable monomer.
- the production method of the present invention it is possible to obtain various ⁇ - (meth) acryloyloxy- ⁇ -butyrolactone compounds that have not been obtained conventionally. Since the ⁇ -butyrolactone skeleton has a light absorption characteristic suitable for short wavelength exposure, it can be usefully used for a resist material used for short wavelength exposure. Use as a copolymer obtained by copolymerization, or use as a mixture as a polymerizable monomer, adjust compatibility of solutions used in screen printing and inkjet, adjust viscosity, adjust adhesion, adjust solubility, etc. Can be used.
- Example 2 is an NMR spectrum of ⁇ -methacryloyloxy- ⁇ -methyl- ⁇ -butyrolactone obtained by the method of Example 1.
- 3 is an NMR spectrum of ⁇ , ⁇ , ⁇ -trimethyl- ⁇ -methacryloyloxy- ⁇ -butyrolactone obtained by the method of Example 3.
- 3 is an NMR spectrum of ⁇ -methacryloyloxy- ⁇ -butyrolactone obtained by the method of Example 4.
- 6 is an NMR spectrum of ⁇ , ⁇ -dimethyl- ⁇ -methacryloyloxy- ⁇ -butyrolactone obtained by the method of Example 5.
- the present invention provides a ⁇ - (meth) acryloyloxy- ⁇ -butyrolactone compound represented by the formula (2) by isomerizing a (meth) acrylic acid ester compound having a ⁇ -propiolactone skeleton represented by the formula (1)
- R 1 is hydrogen or methyl
- R 2 , R 3 , R 4 , R 5 , and R 6 are independently hydrogen or alkyl of 1 to 5 carbon atoms, more preferably independently, Hydrogen or methyl.
- the (meth) acrylic acid ester compound having a ⁇ -propiolactone skeleton of the formula (1) is isomerized by the thermal energy or the like as shown in the following reaction formula to give a ⁇ - (meth) acryloyloxy- ⁇ of the formula (2) -A butyrolactone compound is formed.
- R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 are the same as described above.
- the reaction method for isomerization is not particularly limited. For example, it can be carried out by dissolving a (meth) acrylic acid ester compound having a ⁇ -propiolactone skeleton represented by the formula (1) in a solvent and applying heat. If necessary, a catalyst may be added to promote the reaction. As the catalyst, a Lewis acid catalyst such as an organic complex compound of boron, halides such as zinc, aluminum, titanium, iron, and magnesium is used. Moreover, you may react by adding a polymerization inhibitor etc. as needed.
- the reaction temperature for isomerization varies depending on the kind of the (meth) acrylic acid ester compound having a ⁇ -propiolactone skeleton, but it is usually preferable to carry out the reaction in a temperature range of 20 to 50 ° C. Within this temperature range, a higher reaction temperature is preferable because the reaction proceeds quickly and the yield is improved. Further, a lower reaction temperature is preferable because side reactions and polymerization reactions can be suppressed.
- the (meth) acrylic acid ester compound having a ⁇ -propiolactone skeleton of the formula (1) can be produced, for example, by reacting a ketene compound of the formula (4) with a compound having a carbonyl group of the formula (3).
- a ketene compound of the formula (4) with a compound having a carbonyl group of the formula (3).
- R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 are the same as described above.
- a compound having a carbonyl group of formula (3) is dissolved in a solvent, and a ketene compound of formula (4) is added to the solution cooled by adding a catalyst while stirring and maintaining cooling.
- Solvents include ethers such as tetrahydrofuran, diethyl ether, di-n-butyl ether, 1,4-dioxane, ethylene glycol dimethyl ether, aliphatic hydrocarbons such as hexane, heptane, octane, cyclohexane and methylcyclohexane, alicyclic Hydrocarbons, aromatic hydrocarbons such as benzene, toluene, xylene and ethylbenzene, esters such as methyl acetate, ethyl acetate and n-butyl acetate, halogenated hydrocarbons such as dichloromethane, acetonitrile and propionitrile, etc.
- metal halides such as zinc, aluminum, titanium and iron halides, or organic complex compounds of boron halides can be used.
- a diethyl ether complex of boron trifluoride has high reaction selectivity and can be suitably used.
- the addition amount of the catalyst is preferably in the range of 0.1 to 50% by weight, more preferably in the range of 2 to 30% by weight with respect to the reaction substrate. Within this range, a higher addition amount is preferable because the reaction becomes faster and the yield is improved, and a lower addition amount improves reaction selectivity and reduces the burden on the purification process such as catalyst treatment. It is preferable because it is possible.
- the reaction After adding the compound represented by the formula (4), the reaction is continued by stirring, and the reaction crude liquid after completion of the reaction is washed with alkali and water to remove the solvent, and then recrystallized or distilled.
- the compound represented by the formula (1) can be obtained by performing the purification treatment.
- the compound having a carbonyl group of formula (3) can be obtained, for example, by reacting a compound represented by formula (5) with a compound represented by formula (6) or formula (7).
- a compound represented by formula (6) or formula (7) the definitions of R 1 , R 2 , R 3 , and R 4 are the same as described above.
- X is a halogen.
- Examples of the compound represented by the formula (5) include 1-hydroxy-2-propanone, 3-hydroxy-2-butanone, 1-hydroxy-2-butanone, 3-hydroxy-2-pentanone, 2-hydroxyethanal However, it is not limited to this.
- dimethacrylic anhydride and diacrylic anhydride are preferably used.
- (meth) acrylic acid halides, particularly (meth) acrylic are used. Acid chloride, (meth) acrylic acid bromide, and (meth) acrylic acid iodide can be used.
- the esterification reaction using the compound represented by the formula (5) and the compound represented by the formula (6) can be carried out according to a conventional method.
- a compound represented by the formula (5) and a compound represented by the formula (6) are dissolved in a solvent, added with a polymerization inhibitor, heated and stirred, and a base such as triethylamine and N, N-dimethyl-4 -A compound represented by the formula (3) is obtained through a purification operation such as washing, concentration and distillation by adding a catalyst such as aminopyridine and reacting.
- the esterification reaction using the compound represented by the formula (5) and the compound represented by the formula (7) can also be carried out according to a conventional method.
- a compound represented by the formula (5) and a base such as triethylamine are dissolved in a solvent, and the compound represented by the formula (7) is added to a solution which is cooled and stirred by adding a polymerization inhibitor while maintaining cooling.
- the compound represented by the formula (3) is obtained through purification operations such as washing, concentration, and distillation.
- Ketene which is a compound represented by the formula (4), can be obtained by thermal decomposition of acetone or acetic acid.
- Monomethylketene is obtained by thermal decomposition of diethyl ketone or propionic acid.
- R 5 and R 6 substituted ketene allows metal zinc to act on acetyl bromide ⁇ -substituted with R 5 , R 6 and bromine, or allow tertiary amine to act on carboxylic acid chloride ⁇ -substituted with R 5 and R 6.
- dimethyl ketene can be generated by adding a base such as triethylamine to isobutyric acid chloride.
- the condensation reaction between the compound having the carbonyl group of formula (3) and the ketene compound represented by formula (4) is an exothermic reaction, and the reaction is performed while removing heat.
- the preferred reaction temperature varies depending on the reaction substrate and the type of ketene compound to be reacted, but is usually in the temperature range of 0 to 50 ° C. A higher reaction temperature in this temperature range is preferable because the reaction proceeds quickly and the yield is improved. Further, a lower reaction temperature is preferable because side reactions and polymerization reactions can be suppressed.
- the (meth) acrylic acid ester compound having a ⁇ -propiolactone skeleton of the formula (1) is maintained at a temperature close to the lower limit of the preferred temperature range, for example, a temperature range of 0 ° C. to 10 ° C. It can be obtained by reacting a compound having a carbonyl group with a ketene compound of the formula (4) and performing purification operations such as washing, concentration, and recrystallization.
- the obtained (meth) acrylic acid ester compound having a ⁇ -propiolactone skeleton of the formula (1) is isomerized by the isomerization method described above, and ⁇ - (meth) acryloyloxy- ⁇ - of the formula (2) is obtained.
- a butyrolactone compound is obtained.
- the compound having the carbonyl group of formula (3) and the ketene compound of formula (4) are reacted at a temperature close to the upper limit within the preferred temperature range, for example, a temperature range of 20 ° C. to 50 ° C.
- a temperature close to the upper limit within the preferred temperature range for example, a temperature range of 20 ° C. to 50 ° C.
- the amount is increased from 3% by weight to 50% by weight, for example, the formation reaction and the isomerization reaction of the (meth) acrylic acid ester compound having a ⁇ -propiolactone skeleton of the formula (1) proceed simultaneously.
- a ⁇ - (meth) acryloyloxy- ⁇ -butyrolactone compound of the formula (2) can be produced.
- 2-oxopropyl methacrylate is reacted with ketene to react with ⁇ -methacryloyloxy- ⁇ -methyl- ⁇ -butyrolactone
- 2-oxopropyl methacrylate is reacted with methyl ketene to produce ⁇ , ⁇ -dimethyl- ⁇ -methacryloyloxy- ⁇
- -Butyrolactone is reacted with 2-oxopropyl methacrylate by dimethylketene to give ⁇ , ⁇ , ⁇ -trimethyl- ⁇ -methacryloyloxy- ⁇ -butyrolactone, respectively.
- ⁇ -Methacryloyloxy- ⁇ -butyrolactone is reacted with 2-oxoethyl methacrylate and ⁇ -methacryloyloxy- ⁇ -methyl- ⁇ -butyrolactone is reacted with 2-oxoethyl methacrylate.
- Dimethylketene is reacted with methacrylate to obtain ⁇ , ⁇ -dimethyl- ⁇ -methacryloyloxy- ⁇ -butyrolactone, respectively.
- ⁇ , ⁇ -dimethyl- ⁇ -methacryloyloxy- ⁇ -butyrolactone is reacted with 3-oxobutan-2-yl methacrylate to react with methyl ketene
- ⁇ , ⁇ , ⁇ -trimethyl- ⁇ -methacryloyloxy- ⁇ -Butyrolactone is reacted with 3-oxobutan-2-yl methacrylate and dimethylketene to give ⁇ , ⁇ , ⁇ , ⁇ -tetramethyl- ⁇ -methacryloyloxy- ⁇ -butyrolactone, respectively.
- the ⁇ - (meth) acryloyloxy- ⁇ -butyrolactone compound of the formula (2) is, for example, a polymer component obtained by copolymerizing other polymerizable monomers, a polymerizable monomer component, a polyfunctional polymerizable monomer component, Or as a polymerizable monomer component for resist materials used by direct patterning provided in combination with a photopolymerization initiator and a solvent, or a polymer component obtained by copolymerizing a plurality of polymerizable monomers, photoacid generation It can be used as a polymerizable monomer for a photoresist material provided in combination with an agent, a solvent and the like.
- Examples of compounds that can be combined or copolymerized with the compound represented by formula (2) include (meth) acrylic acid, (meth) acrylic acid ester monomers, vinyl ether derivatives, styrene derivatives, maleic anhydride Etc.
- the (meth) acrylic acid ester monomer hydrogen of carboxylic acid of (meth) acrylic acid is methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, t-butyl, cyclopentyl, cyclohexyl, Tricyclodecyl [5.2.1.0 2,6 ], adamantyl, norbornyl, isobornyl, hydroxyethyl, propoxyethyl, butoxyethyl, 2-methyl-2-adamantyl, 2-ethyl-2-adamantyl, 3-hydroxy It is a compound substituted with 1-adamantyl, tetrahydropyranyl, meth
- Vinyl ether derivatives include ethyl vinyl ether, cyclohexyl vinyl ether, hydroxyethyl vinyl ether, and the like.
- examples of the styrene derivative include styrene, parahydroxystyrene, paramethoxystyrene, and para t-butoxystyrene. These copolymerizable compounds can be used alone or in combination of two or more.
- the method for obtaining a polymer component by polymerizing or copolymerizing the compound represented by the formula (2) is not particularly limited, and can be carried out by a conventional method.
- each compound is mixed in a solvent so as to have a desired molar ratio, a polymerization initiator is added, polymerization or copolymerization is performed by heating or light irradiation, the product is separated, and purification treatment is performed as necessary.
- a polymer component is not particularly limited, and can be carried out by a conventional method.
- each compound is mixed in a solvent so as to have a desired molar ratio
- a polymerization initiator is added
- polymerization or copolymerization is performed by heating or light irradiation
- the product is separated, and purification treatment is performed as necessary.
- purification treatment is performed as necessary.
- NMR proton nuclear magnetic resonance spectrum
- HPLC high performance liquid chromatography
- 50 g of 1-hydroxy-2-propanone manufactured by Wako Pure Chemical Industries, Ltd., purity 90.0% or more
- Dimethacrylic anhydride (ALDRICH) Manufactured, purity 94.0%) 113 g and 4,4′-thiobis (6-t-butyl-o-cresol) 0.5% by weight were added, and a stirrer, thermometer and Dimroth condenser were connected. 80 g of triethylamine was added dropwise to the solution which was stirred and the liquid temperature was 45 ° C., and further 0.75 g of N, N-dimethyl-4-aminopyridine (manufactured by Wako Pure Chemical Industries, Ltd., purity 99.0% or more) was added. A solution dissolved in 15 g of toluene was added dropwise.
- a solution dissolved in 15 g of toluene was added dropwise.
- ketene gas was passed through the solution through the gas introduction tube at a rate of 0.55 equivalent / h with respect to the substrate while maintaining the liquid temperature at 30 ° C., and the reaction was continued until 2-oxopropyl methacrylate disappeared by GC analysis. .
- the reaction was completed in 4.5 hours, the blowing of ketene gas was stopped, and the remaining ketene gas was removed from the system by passing nitrogen gas.
- 50 g of 1-hydroxy-2-propanone was added and dissolved in 700 g of tetrahydrofuran, and a stirrer, thermometer, and Dimroth condenser were connected. After the solution was stirred and cooled to about 5 ° C., 76.8 g of triethylamine and 25 mg of hydroquinone were added. While cooling to about 5 ° C.
- ketene gas was passed through the solution through the gas inlet tube at a rate of 1.1 equivalent / h with respect to the substrate, and the reaction was carried out until 2-oxopropyl methacrylate disappeared by GC analysis. It was. The reaction was completed in 150 minutes, the blowing of ketene gas was stopped, and the remaining ketene was removed out of the system by passing nitrogen gas.
- reaction solution was washed with 10% aqueous sodium hydrogen carbonate solution and saturated brine, dried over magnesium sulfate, filtered, 20 mg of hydroquinone was added, and the solvent was distilled off with an evaporator.
- the reaction solution after the solvent was distilled off was purified by column separation using silica gel as the packing material and a mixed solvent of ethyl acetate-heptane as the developing solution, and further recrystallized twice using toluene and heptane.
- 100 g of 2-oxopropyl methacrylate obtained by the method of Example 1 800 g of ethyl acetate, and 50 mg of p-methoxyphenol were added, and a stirrer, a thermometer, a Dimroth condenser, and a gas introduction pipe were connected. After the solution was stirred and cooled to about 5 ° C.
- reaction solution was washed with 10% aqueous sodium hydrogen carbonate solution and saturated brine, dried over magnesium sulfate, filtered, 50 mg of p-methoxyphenol was added, and the solvent was distilled off using an evaporator. After the solvent was distilled off, the reaction solution was recrystallized twice using toluene and heptane, and ⁇ , ⁇ , ⁇ -trimethyl- ⁇ -methacryloyloxymethyl- ⁇ -protein having a purity of 99.5% by HPLC analysis. 63.8 g of piolactone (yield 53.1% based on 2-oxopropyl methacrylate) was obtained.
- reaction solution was washed with 10% aqueous sodium carbonate solution and saturated brine, dried over magnesium sulfate, filtered, 0.2 g of hydroquinone was added, the solvent was distilled off with an evaporator, and crude ⁇ -methacryloyloxymethyl- ⁇ -Obtained 3.4 g of propiolactone.
- ketene gas is passed through the gas introduction tube at a rate of 0.55 equivalent / h with respect to the substrate, and the reaction is carried out until 3-oxobutan-2-yl methacrylate disappears by GC analysis. It was. The reaction was completed in 4.5 hours, the blowing of ketene gas was stopped, and the remaining ketene was removed from the system by passing nitrogen gas.
- the reaction solution was washed with a saturated aqueous sodium hydrogen carbonate solution and 10% saline.
- the obtained organic layer was dried over magnesium sulfate, the magnesium sulfate was filtered off, and the solvent was distilled off with an evaporator.
- the reaction solution after evaporation of the solvent was distilled under reduced pressure after adding p-methoxyphenol, and ⁇ , ⁇ -dimethyl- ⁇ -methacryloyloxy- ⁇ -butyrolactone of formula (11) having a purity by HPLC analysis of 98.4%. was obtained (40.9% yield based on 3-oxobutan-2-yl methacrylate).
- An NMR measurement chart is shown in FIG.
- ⁇ - (Meth) acryloyloxy- ⁇ -butyrolactone compound is a material that can be widely used for resist materials, optical materials, coating materials, laminate materials, and the like, and industrial use is promoted by this production method. .
- it is useful in a photoresist material used in a manufacturing process of a semiconductor element or the like.
- this production method it becomes possible to supply a novel ⁇ - (meth) acryloyloxy- ⁇ -butyrolactone compound, and resist materials and optical materials used in the production process of printed circuit boards, liquid crystal display panels, semiconductor elements, etc. It can be used in various fields such as materials, coating materials, and laminate materials.
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Abstract
Description
式中、R1は水素またはメチルであり、R2、R3、R4、R5、およびR6は独立して、水素または炭素数1~5のアルキルである。
[2] 式(3)で示されるカルボニル基を有する(メタ)アクリル酸エステル化合物と式(4)で示されるケテン化合物とを縮合させ生成したβ-プロピオラクトン骨格を有する(メタ)アクリル酸エステル化合物を異性化することを特徴とする項[1]に記載のβ-(メタ)アクリロイルオキシ-γ-ブチロラクトン化合物の製造方法。
式中、R1は水素またはメチルであり、R2、R3、R4、R5、およびR6は独立して、水素または炭素数1~5のアルキルである。
[3] 項[1]記載の式(1)で示されるβ-プロピオラクトン骨格を有する(メタ)アクリル酸エステル化合物を生成させる反応、および生成したβ-プロピオラクトン骨格を有する(メタ)アクリル酸エステル化合物を異性化して項[1]記載の式(2)で示されるβ-(メタ)アクリロイルオキシ-γ-ブチロラクトン化合物を生成する異性化反応を、一つの反応工程で行うことを特徴とする項[2]に記載のβ-(メタ)アクリロイルオキシ-γ-ブチロラクトン化合物の製造方法。
[4] 項[1]~[3]のいずれか1項に記載の製造方法により得られる式(2)で示されるβ-(メタ)アクリロイルオキシ-γ-ブチロラクトン化合物。
式中、R1は水素またはメチルであり、R2、R3、R4、R5、およびR6は独立して、水素または炭素数1~5のアルキルである。
[5] 項[4]に記載の式(2)で示されるβ-(メタ)アクリロイルオキシ-γ-ブチロラクトン化合物。
ここで、R1は水素またはメチルであり、R2、R3、R4、R5、およびR6は独立して水素または炭素数1から5のアルキルであり、より好ましくは独立して、水素またはメチルである。
ここで、R1、R2、R3、R4、R5、およびR6の定義は、前記と同じである。
ここで、R1、R2、R3、R4、R5、およびR6の定義は、前記と同じである。
ここで、R1、R2、R3、およびR4の定義は、前記と同じである。Xはハロゲンである。
β-メタクリロイルオキシ-β-メチル-γ-ブチロラクトン(R1、R2=メチル、R3、R4、R5、R6=水素の化合物)の合成-1
1Lの四ツ口フラスコに、1-ヒドロキシ-2-プロパノン(和光純薬工業(株)社製、純度90.0%以上)50gを入れトルエン485gに溶解し、ジメタクリル酸無水物(ALDRICH社製、純度94.0%)113gおよび4,4’-チオビス(6-t-ブチル-o-クレゾール)を0.5重量%添加し、撹拌機、温度計、ジムロート冷却管を接続した。撹拌し液温を45℃とした溶液にトリエチルアミン80gを滴下し、さらにN,N-ジメチル-4-アミノピリジン(和光純薬工業(株)社製、純度99.0%以上)0.75gをトルエン15gに溶解した溶液を滴下した。液温を50~70℃の範囲に保ちながら、滴下開始から90分撹拌を継続し、メチルアルコール70gを添加し反応を停止した。反応液を、1N-塩酸、10%炭酸ナトリウム水溶液、および飽和食塩水を用いて洗浄し、無水硫酸マグネシウムを用いて乾燥、濾別して反応粗液を得た。反応粗液はエバポレーターを用いて溶媒を留去した後、減圧蒸留してGC純度99.0%の2-オキソプロピルメタクリレート49.7g(1-ヒドロキシ-2-プロパノンを基準として収率51.9%)を得た。
β-メタクリロイルオキシ-β-メチル-γ-ブチロラクトン(R1、R2=メチル、R3、R4、R5、R6=水素の化合物)の合成-2
窒素ガスで置換した2Lの四ツ口フラスコに、1-ヒドロキシ-2-プロパノン50gを入れ、テトラヒドロフラン700gに溶解し、撹拌機、温度計、ジムロート冷却管を接続した。溶液を撹拌し約5℃に冷却した後、トリエチルアミン76.8gおよびヒドロキノン25mgを添加した。撹拌下、約5℃に冷却しながら塩化メタクリロイル(和光純薬工業(株)社製、純度97.0%以上)71.9gを徐々に滴下し、さらに3時間撹拌を継続してエステル化反応を行った。反応液は約5℃に保持しながら2N-塩酸を用いて酸洗浄後、酢酸エチル300mLを用いて2回抽出操作を行い、有機層を得た。有機層は10%炭酸水素ナトリウム水溶液、および飽和食塩水を用いて洗浄し、無水硫酸マグネシウムを用いて乾燥、濾別して反応粗液を得た。エバポレーターを用いて反応粗液から溶媒を留去し、85.5gの粗2-オキソプロピルメタクリレートを得た。NMRのプロトン比から求めた2-オキソプロピルメタクリレートの収量は67.1g(1-ヒドロキシ-2-プロパノンを基準として収率69.9%)であった。
α、α、β-トリメチル-β-メタクリロイルオキシ-γ-ブチロラクトン(R1、R2、R5、R6=メチル、R3、R4=水素の化合物)の合成
1Lの四ツ口フラスコに、実施例1の方法により得た2-オキソプロピルメタクリレート100g、酢酸エチル800g、p-メトキシフェノール50mgを加え、撹拌機、温度計、ジムロート冷却管、ガス導入管を接続した。溶液を撹拌し氷浴を用いて約5℃に冷却した後、三フッ化ホウ素のジエチルエーテル錯体を基質に対して0.3当量添加した。撹拌下、液温を約5℃に保ちながら、イソ酪酸クロリド(ALDRICH社製、純度98%)とトリエチルアミンを混合した酢酸エチル溶液に窒素ガス吹き込みガスとして発生させたジメチルケテンガスを、基質に対して0.2当量/hの速度でガス導入管より溶液に通じ、GC分析により2-オキソプロピルメタクリレートが消失するまで反応を継続した。反応は10時間で終結しジメチルケテンガスの吹き込みを止め、窒素ガスを通じることで残存するジメチルケテンを系外に除いた。
β-メタクリロイルオキシ-γ-ブチロラクトン(R1=メチル、R2、R3、R4、R5、R6=水素の化合物)の合成
2Lの四ツ口フラスコに、メタクリル酸カリウム(和光純薬工業(株)社製、純度98.0%)180gを入れ、N,N-ジメチルホルムアミド900gを加え、撹拌機、温度計、ジムロート冷却管を接続した。2-ブロモ-1,1-ジエトキシエタン(ALDRICH社製、純度97%)308g、p-メトキシフェノール0.9g、およびテトラメチルアンモニウムヨージド1.32gを添加して撹拌下150℃で2時間反応させた。反応液は室温まで冷却し沈殿を濾別後、N,N-ジメチルホルムアミドを留去し減圧蒸留して反応生成物174g(GC純度98.5%)を得た。得られた反応生成物のうち、19gを窒素ガスで置換した1Lの四ツ口フラスコに入れ、水430mLに撹拌して分散し、ハイドロキノン0.21g、1-フェニル-3-ピラゾリジノン(東京化成工業(株)社製、純度98.0%以上)0.41gおよび85%リン酸2.8gを加えて撹拌下70~80℃で3時間反応させた。反応液は室温に冷却し、10%炭酸水素ナトリウム水溶液で中和し、ジエチルエーテルを用いて抽出を繰り返し、有機層を硫酸マグネシウムにより乾燥、濾別後、減圧蒸留して2-オキソエチルメタクリレート5.6g(メタクリル酸カリウムを基準として収率27.6%)を得た
β,γ-ジメチル-β-メタクリロイルオキシ-γ-ブチロラクトン(R1、R2、R3=メチル、R4、R5、R6が水素の化合物)の合成
窒素ガスで置換した2Lの四ツ口フラスコに、3-ヒドロキシ-2-ブタノン(東京化成工業(株)社製、純度95.0%以上)150gを入れ塩化メチレン750gに溶解し、撹拌機、温度計、ジムロート冷却管を接続した。溶液を撹拌し約5℃に冷却した後、トリエチルアミン190gおよびp-メトキシフェノール80mgを添加した。撹拌下、液温を約5℃に冷却しながら塩化メタクリロイル178gを4時間かけてゆっくり滴下し、さらに滴下終了後30分撹拌して反応させた。反応液は室温にて、1N-塩酸、10%炭酸ナトリウム水溶液、および飽和食塩水を用いて洗浄し、無水硫酸マグネシウムを用いて乾燥、濾別して反応粗液を得た。反応粗液はエバポレーターにより溶媒留去し、p-メトキシフェノールを80mg添加して減圧蒸留して、GC純度96.5%の3-オキソブタン-2-イルメタクリレート141g(3-ヒドロキシ-2-ブタノンを基準として収率53.1%)を得た。
Claims (5)
- 請求項1記載の式(1)で示されるβ-プロピオラクトン骨格を有する(メタ)アクリル酸エステル化合物を生成させる反応、および生成したβ-プロピオラクトン骨格を有する(メタ)アクリル酸エステル化合物を異性化して請求項1記載の式(2)で示されるβ-(メタ)アクリロイルオキシ-γ-ブチロラクトン化合物を生成する異性化反応を、一つの反応工程で行うことを特徴とする請求項2に記載のβ-(メタ)アクリロイルオキシ-γ-ブチロラクトン化合物の製造方法。
- 請求項4に記載の式(2)で示されるβ-(メタ)アクリロイルオキシ-γ-ブチロラクトン化合物。
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KR102040856B1 (ko) | 2019-11-05 |
KR20150027057A (ko) | 2015-03-11 |
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