CN109641823B - Monomers, polymers, preparation method and use thereof - Google Patents

Monomers, polymers, preparation method and use thereof Download PDF

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CN109641823B
CN109641823B CN201780052243.1A CN201780052243A CN109641823B CN 109641823 B CN109641823 B CN 109641823B CN 201780052243 A CN201780052243 A CN 201780052243A CN 109641823 B CN109641823 B CN 109641823B
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methyl
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reaction
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CN109641823A (en
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曹立
康小林
李德珊
黄芳芳
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Dongguan Dongyang Sunshine Medical Intelligent Device R&d Co ltd
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01Preparation of ethers
    • C07C41/18Preparation of ethers by reactions not forming ether-oxygen bonds
    • C07C41/24Preparation of ethers by reactions not forming ether-oxygen bonds by elimination of halogens, e.g. elimination of HCl
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00Ethers; Compounds having groups, groups or groups
    • C07C43/02Ethers
    • C07C43/03Ethers having all ether-oxygen atoms bound to acyclic carbon atoms
    • C07C43/14Unsaturated ethers
    • C07C43/164Unsaturated ethers containing six-membered aromatic rings
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F12/00Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C08F12/02Monomers containing only one unsaturated aliphatic radical
    • C08F12/04Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F12/06Hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F14/00Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F14/18Monomers containing fluorine
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F16/00Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
    • C08F16/12Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an ether radical
    • C08F16/14Monomers containing only one unsaturated aliphatic radical
    • C08F16/26Monomers containing oxygen atoms in addition to the ether oxygen

Abstract

The invention provides a monomer, a polymer, a preparation method and application thereof. The monomer has a structure shown as a formula (I), wherein R1、R2、R3And n have the meanings as described in the specification. The polymer containing the monomer has higher refractive index and excellent mechanical property, and the polymer prepared by using the monomer has high refractive index, good transmittance and excellent mechanical property, is particularly suitable for preparing eye medical devices, and can meet the requirements of preparing thin and foldable artificial crystals.

Description

Monomers, polymers, preparation method and use thereof
Technical Field
The invention relates to the field of ophthalmic medical devices, in particular to a monomer and a polymer applied to a foldable artificial lens, a preparation method and application thereof.
Background
Ophthalmic medical devices, such as intraocular lenses, contact lenses, artificial corneas, intracorneal rings or intracorneal lenses, are artificial materials or lenses that can be implanted into the eye, mainly for replacing natural lenses in the eye that become cloudy due to diseases such as cataracts, or for correcting the vision of the eye by means of wear, refractive surgery, and the like. Such ocular medical devices are typically comprised of a circular optic and peripheral supports. Wherein, the optical part is made of transparent polymer material. Intraocular lenses made of soft polymers, also often referred to as foldable intraocular lenses, can be implanted into the eye through a small surgical incision after being folded or rolled, and can be automatically unfolded after entering the eye. Most of the current intraocular lenses are foldable intraocular lenses, and most of the soft materials used for preparing foldable intraocular lenses are poly (meth) acrylate polymers.
However, the polymers, monomers and methods for their preparation currently used for the preparation of ophthalmic medical devices are still in need of improvement.
Disclosure of Invention
The present application is made based on the discovery and recognition by the inventors of the following facts and problems:
the foldable artificial lens at present generally has the problem that the foldable artificial lens is difficult to implant through a small-size incision which can be realized by the current surgical technology. In particular, with the development of cataract surgery techniques, surgery through smaller incisions has been possible regardless of the size of the ocular medical device (e.g., intraocular lens) being implanted. However, it is difficult to realize the current medical device for eyes folded to the size that can be realized by the surgical incision under the condition of ensuring that the performance of the device is not affected. Thus, ophthalmic medical devices such as foldable intraocular lenses have somewhat hindered the performance of small incision procedures. The inventors have conducted extensive studies and extensive experiments to find that this is mainly due to the fact that the refractive index and mechanical properties of the polymers currently used for preparing ocular medical devices are difficult to meet the requirements. For foldable intraocular lenses, if optical properties of the foldable intraocular lens need to be guaranteed on the premise that the foldable intraocular lens can be folded to a smaller size, the material for preparing the intraocular lens is required to have better refractive index and mechanical properties at the same time: when the refractive index of the polymer for preparing the ocular medical device is not high enough, the requirement of the device on the optical performance needs to be met by increasing the thickness of the ocular medical device, and conversely, if the ocular medical device is required to have a sufficiently thin thickness, the polymer for preparing the device needs to have a sufficiently high refractive index; in addition, because the foldable intraocular lens needs to be automatically unfolded after entering the eye, the polymer for preparing the intraocular lens needs to have enough impact resistance, so that the intraocular lens cannot be broken off in the using process, and meanwhile, the polymer needs to have proper elasticity, so that the peripheral support can support the optical part to be stabilized in the eye without moving, and the damage to the eye caused by the excessively violent unfolding process is avoided.
The present invention is directed to solving, at least to some extent, one of the above technical problems in the related art. To this end, the invention proposes a monomer. The structure of the monomer is shown as the formula (I):
Figure BDA0001977712190000011
wherein the content of the first and second substances,
R1is hydrogen or methyl;
R2is an alkyl group;
R3each independently is-L-M, wherein L is a bond, alkylene, -O-, -NR-, -C (O) -NR-, -S (O)2-or-S (═ O)2-NR-, M is hydrogen, alkyl, halogen, cyano, hydroxyl, nitro, aldehyde, haloalkyl, alkoxy, alkylthio, alkylamino, alkenyl, alkynyl, aryl, arylalkyl or aryloxy; each R is independently hydrogen, hydroxy, C1-6Alkyl radical, C2-6Alkenyl radical, C2-6Alkynyl, C1-6Alkoxy radical, C6-10Aryl or C6-10Aryl radical C1-6An alkyl group; and
n is 0, 1,2,3,4 or 5.
The polymer containing the monomer has higher refractive index and excellent mechanical property, and the polymer prepared by using the monomer has high refractive index, good transmittance and excellent mechanical property, is particularly suitable for preparing eye medical devices, and can meet the requirements of preparing thin and foldable artificial crystals.
The refractive index of the monomer and the polymer provided by the invention is not less than 1.53, and the spectral transmittance is not less than 80% in the visible light range of 400nm-800 nm.
The polymer provided by the invention has higher tensile strength, proper elastic modulus and larger elongation at break, and the foldable intraocular lens prepared by the polymer provided by the invention can not damage human eyes due to too violent opening and can not influence the use effect due to poor mechanical properties.
The invention also provides a method for preparing the monomer, which comprises the step of carrying out condensation reaction on the compound shown in the formula (II) and the compound shown in the formula (III):
Figure BDA0001977712190000021
the compound shown in the formula (II) is obtained by carrying out substitution reaction on a compound shown in a formula (IV) and a compound shown in a formula (V),
Figure BDA0001977712190000022
wherein n and R1、R2And R3Having the definitions as described herein; r4is-Cl, -Br, -OTs or-OMs. The method has simple operation and high yield, and is particularly suitable for industrial scale-up production.
The invention also provides a polymer. The monomers constituting the polymer include the aforementioned monomers. The polymer containing the monomer has high refractive index, good transmittance and excellent mechanical property, and is particularly suitable for preparing eye medical devices.
The invention also proposes the use of the aforementioned polymers for the preparation of ophthalmic medical devices. When the polymer is used for preparing the medical device for the eyes, the ideal device performance can be realized under the condition of smaller thickness, and the implantation of the medical device for the eyes can be realized by using smaller surgical incisions.
Finally, the invention also provides a process for preparing the aforementioned polymers. The method comprises the following steps: subjecting a raw material mixture to gradient heating treatment so as to obtain the polymer, wherein the raw material mixture contains the monomer of the invention and at least one selected from the group consisting of the compound represented by the formula (VI), a crosslinking agent, an initiator and an ultraviolet absorber.
Drawings
FIG. 1 shows a graph of the spectral transmittance test of a polymer A-1 according to the invention;
FIG. 2 shows a graph of the spectral transmittance test of the polymer A-2 according to the invention;
FIG. 3 shows a graph showing a spectral transmittance test of the polymer A-3 according to the present invention;
FIG. 4 shows a graph of the spectral transmittance test of the polymer A-4 according to the invention;
FIG. 5 shows a graph of the spectral transmittance test of the polymer A-5 according to the invention;
FIG. 6 shows a graph of the spectral transmittance test of the polymer A-6 according to the invention;
FIG. 7 shows a graph of the spectral transmittance test of the polymer A-7 according to the present invention;
FIG. 8 shows a graph of the spectral transmittance test of the polymer A-8 according to the invention;
FIG. 9 shows a graph of the spectral transmittance test of Polymer A-9 according to the present invention;
FIG. 10 shows a graph of the spectral transmittance test of Polymer A-10 according to the present invention;
FIG. 11 shows a graph of the spectral transmittance test of the polymer A-11 according to the present invention;
FIG. 12 shows a graph of the spectral transmittance test of polymer A-12 according to the present invention;
FIG. 13 shows a graph of spectral transmittance measurements for polymer A-13 according to the present invention;
FIG. 14 shows a graph of the spectral transmittance test of polymers A-14 according to the invention;
FIG. 15 shows a graph of the spectral transmittance test of polymers A-15 according to the invention;
FIG. 16 shows a graph of the spectral transmittance test of Polymer A-16 according to the present invention;
FIG. 17 shows a graph of spectral transmittance measurements for polymer A-17 according to the present invention;
FIG. 18 shows a graph of the spectral transmittance test of Polymer A-18 according to the present invention;
FIG. 19 shows a graph of the spectral transmittance test of polymers A-19 according to the present invention;
FIG. 20 shows a graph of the spectral transmittance test of Polymer A-20 according to the present invention;
FIG. 21 shows a graph of spectral transmittance measurements for polymer A-21 according to the present invention;
FIG. 22 shows a graph of the spectral transmittance test of Polymer A-22 according to the present invention;
FIG. 23 shows a graph of the spectral transmittance test of Polymer A-23 according to the present invention;
FIG. 24 shows a graph of the spectral transmittance test of Polymer A-24 according to the present invention;
FIG. 25 shows a graph of spectral transmittance measurements for polymer A-25 according to the present invention;
FIG. 26 shows a graph of the spectral transmittance test of polymers A-26 according to the present invention;
FIG. 27 shows a graph of the spectral transmittance test of Polymer A-27 according to the present invention;
FIG. 28 shows a graph of the spectral transmittance test of Polymer A-28 in accordance with the present invention;
FIG. 29 shows a graph of the spectral transmittance test of Polymer A-29 according to the present invention;
FIG. 30 shows a graph of spectral transmittance measurements for polymer A-30 according to the present invention;
FIG. 31 shows a spectral transmittance test chart of Polymer A-31 according to the present invention;
FIG. 32 shows a graph of the spectral transmittance measurements for polymers A-32 according to the present invention;
FIG. 33 shows a graph of spectral transmittance measurements for polymers A-33 according to the present invention; and
FIG. 34 shows a graph of the spectral transmittance test of polymers A-34 according to the invention.
Detailed description of the invention
Definition of terms
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. All patents and publications referred to herein are incorporated by reference in their entirety.
The term "comprising" or "comprises" is open-ended, i.e. comprising what is specified in the present invention, but not excluding other aspects.
In the present disclosure, all numbers disclosed herein are approximate values, whether or not the word "about" or "approximately" is used. There may be differences below 10% in the value of each number or reasonably considered by those skilled in the art, such as differences of 1%, 2%, 3%, 4% or 5%.
The term "refractive index" refers to the ratio of the propagation velocity of light in vacuum to the propagation velocity of light in the medium. The higher the refractive index of the material, the greater the ability to refract incident light. For lenses of equivalent power, the thinner the lens, the higher the refractive index of the material used.
In the present invention, the term "optional" or "optionally" means that the subsequently described event or circumstance may, but need not, occur, and that the description includes instances where said event or circumstance occurs and instances where it does not. For example, "optionally substituted phenyl" means that the phenyl group may be unsubstituted or substituted with alkyl, halogen, nitro, cyano, aldehyde, amino, alkoxy, haloalkyl, haloalkoxy, and the like.
In the various parts of this specification, substituents of the disclosed compounds are disclosed in terms of group type or range. It is specifically intended that the invention includes each and every independent subcombination of the various members of these groups and ranges. For example, the term "C1-C6Alkyl "means in particular independently disclosed methyl, ethyl, C3Alkyl radical, C4Alkyl radical, C5Alkyl and C6An alkyl group.
The term "alkyl" or "alkyl group" denotes a saturated straight or branched chain hydrocarbon group. In one embodiment, the alkyl group contains 1 to 20 carbon atoms; in another embodiment, the alkyl group contains 1 to 12 carbon atoms; in another embodiment, the alkyl group contains 1 to 8 carbon atoms; in yet another embodiment, the alkyl group contains 1 to 6 carbon atoms; in yet another embodiment, the alkyl group contains 1 to 3 carbon atoms. Examples of alkyl groups include, but are not limited to, methyl (Me, -CH)3) Ethyl group (Et, -CH)2CH3) N-propyl (n-Pr, -CH)2CH2CH3) Isopropyl group (i-Pr, -CH (CH)3)2) N-butyl (n-Bu, -CH)2CH2CH2CH3) Isobutyl (i-Bu, -CH)2CH(CH3)2) Sec-butyl (s-Bu, -CH (CH)3)CH2CH3) Tert-butyl (t-Bu, -C (CH)3)3) N-pentyl (-CH)2CH2CH2CH2CH3) 2-pentyl (-CH (CH)3)CH2CH2CH3) 3-pentyl (-CH (CH)2CH3)2) 2-methyl-2-butyl (-C (CH)3)2CH2CH3) 3-methyl-2-butyl (-CH (CH)3)CH(CH3)2) 3-methyl-1-butyl (-CH)2CH2CH(CH3)2) 2-methyl-1-butyl (-CH)2CH(CH3)CH2CH3) N-hexyl (-CH)2CH2CH2CH2CH2CH3) 2-hexyl (-CH (CH)3)CH2CH2CH2CH3) 3-hexyl (-CH (CH)2CH3)(CH2CH2CH3) 2-methyl-2-pentyl (-C (CH))3)2CH2CH2CH3) 3-methyl-2-pentyl (-CH (CH)3)CH(CH3)CH2CH3) 4-methyl-2-pentyl (-CH (CH)3)CH2CH(CH3)2) 3-methyl-3-pentyl (-C (CH)3)(CH2CH3)2) 2-methyl-3-pentyl (-CH (CH)2CH3)CH(CH3)2) 2, 3-dimethyl-2-butyl (-C (CH)3)2CH(CH3)2) 3, 3-dimethyl-2-butyl (-CH (CH)3)C(CH3)3) N-heptyl, n-octyl, and the like.
The term "alkylene" denotes a saturated divalent hydrocarbon radical resulting from the removal of two hydrogen atoms from a saturated straight or branched chain hydrocarbon. In one embodiment, the alkylene group contains 1 to 12 carbon atoms. In another embodiment, the alkylene group contains 1 to 6 carbon atoms; in another embodiment, the alkylene group contains 1 to 4 carbon atoms; in yet another embodiment, the alkylene group contains 1 to 3 carbon atoms; in yet another embodiment, the alkylene group contains 1 to 2 carbon atoms. Non-limiting examples include methylene (-CH)2-, ethylene (-CH)2CH2-, isopropylidene (-CH (CH)3)CH2-) and the like.
The term "alkenyl" denotes at least one carbon-carbon sp2A linear or branched hydrocarbon group of a double bond, which includes the positioning of "cis" and "tans", or the positioning of "E" and "Z". In one embodiment, the alkenyl group contains 2 to 20 carbon atoms; in another embodiment, alkenyl groups contain 2 to 12 carbon atoms; in yet another embodiment, the alkenyl group contains 2 to 8 carbon atoms; in yet another embodiment, the alkenyl group contains 2 to 6 carbon atoms. Examples of alkenyl groups include, but are not limited to, vinyl (-CH ═ CH)2) Allyl (-CH)2CH=CH2) And so on.
The term "alkynyl" denotes a straight or branched chain hydrocarbon group having at least one carbon-carbon sp triple bond. In one embodiment, alkynyl groups contain 2-20 carbon atoms; in another embodiment, alkynyl groups contain 2-12 carbon atoms; in yet another embodiment, alkynyl groups contain 2-8 carbon atoms; in yet another embodiment, alkynyl groups contain 2-6 carbon atoms. Examples of alkynyl groups include, but are not limited to, ethynyl (-C.ident.CH), propargyl (-CH)2C.ident.CH), 1-propynyl (-C.ident.C-CH)3) And so on.
The term "alkoxy" means an alkyl group attached to the rest of the molecule through an oxygen atom, wherein the alkyl group has the meaning as described herein. Unless otherwise specified, the alkoxy group contains 1 to 12 carbon atoms. In one embodiment, the alkoxy group contains 1 to 6 carbon atoms; in another embodiment, the alkoxy group contains 1 to 4 carbon atoms; in yet another embodiment, the alkoxy group contains 1 to 3 carbon atoms. The alkoxy group is optionally substituted with one or more substituents described herein. Examples of alkoxy groups include, but are not limited to, methoxy (MeO, -OCH)3) Ethoxy (EtO, -OCH)2CH3) 1-propoxy (n-PrO, n-propoxy, -OCH)2CH2CH3) 2-propoxy (i-PrO, i-propoxy, -OCH (CH)3)2) And so on.
The term "alkylthio" refers to C1-6The linear or branched alkyl group is attached to the rest of the molecule through a sulfur atom. In one embodiment, alkylthio is lower C1-4Alkylthio groups, and such examples include, but are not limited to, methylthio (CH)3S-). The alkylthio group is optionally substituted with one or more substituents described herein.
The term "alkylamino" or "alkylamino" includes "N-alkylamino" and "N, N-dialkylamino" wherein the amino groups are each independently substituted with one or two alkyl groups, wherein the alkyl groups have the meaning as described herein. In one embodiment, alkylamino is one or two C1-6Lower alkylamino groups in which the alkyl group is attached to the nitrogen atom. In another embodiment, alkylamino is C1-4Lower alkylamino groups of (a). Suitable alkylamino groups can be monoalkylamino or dialkylamino, and such examples include, but are not limited to, N-methylamino, N-ethylamino, N-dimethylamino, N-diethylamino, and the like. The alkylamino group is optionally substituted with one or more substituents described herein.
The terms "halogen" and "halo" refer to fluorine (F), chlorine (Cl), bromine (Br), or iodine (I).
The terms "haloalkyl", "haloalkenyl" or "haloalkoxy" mean alkyl, alkenyl or alkoxy groups, respectively, substituted with one or more halogen atoms, wherein alkyl, alkenyl and alkoxy groups have the meaning described herein, and examples include, but are not limited to, difluoromethyl, trifluoromethyl, trifluoromethoxy, 2,2, 2-trifluoroethoxy, 2,2,3, 3-tetrafluoropropoxy, and the like. The haloalkyl, haloalkenyl, or haloalkoxy group is optionally substituted with one or more substituents described herein.
The term "alkoxyalkyl" means an alkyl group substituted with one or more alkoxy groups, wherein the alkyl group and alkoxy group have the meaning as described herein, examples of which include, but are not limited to, methoxymethyl, methoxyethyl, ethoxymethyl, ethoxyethyl, and the like.
The term "alkylaminoalkyl" denotes an alkyl group substituted with one or more alkylamino groups, wherein alkyl and alkylamino groups have the meaning as described herein.
The term "alkylthioalkyl" means that the alkyl group is substituted with one or more alkylthio groups, wherein the alkyl group and the alkylthio group have the meaning as described herein.
The term "aryl" denotes monocyclic, bicyclic and tricyclic carbon ring systems containing 6 to 14 ring atoms, or 6 to 12 ring atoms, or 6 to 10 ring atoms, wherein at least one ring system is aromatic, wherein each ring system comprises a ring of 3 to 7 atoms with one or more attachment points to the rest of the molecule. Examples of the aryl group may include phenyl, naphthyl and anthracenyl. When the aryl group may be optionally substituted, the substituted group may be fluorine, chlorine, bromine, iodine, cyano, azido, nitro, amino, hydroxyl, mercapto, alkylamino, alkoxy, alkylthio, alkyl, haloalkyl, alkenyl, alkynyl, carbocyclyl, heterocyclyl, aryl, or heteroaryl.
The term "arylalkyl" means an alkyl group substituted with one or more aryl groups; wherein the alkyl group and the aryl group have the meanings as described herein, and examples of the arylalkyl group include, but are not limited to, benzyl, phenethyl and the like.
The term "aryloxy" or "aryloxy" refers to an optionally substituted aryl group, as defined herein, attached to and linked from an oxygen atom to the rest of the molecule, wherein the aryl group has the meaning as described herein. Examples of aryloxy groups include, but are not limited to, phenoxy, halophenoxy, cyano-substituted phenoxy, hydroxy-substituted phenoxy, and the like.
The term "aryloxyalkyl" refers to an alkyl group substituted with one or more aryloxy groups; wherein the aryloxy and alkyl groups have the meaning as indicated in the present invention. Examples of aryloxyalkyl groups include, but are not limited to, phenoxymethyl, fluorophenoxymethyl (such as (2-fluorophenoxy) methyl, (3-fluorophenoxy) methyl, or (4-fluorophenoxy) methyl), chlorophenoxymethyl, and the like.
The term "arylalkoxy" means that the alkoxy group is substituted with one or more aryl groups; wherein the alkoxy groups and aryl groups have the meaning as described in the present invention. Examples of the arylalkoxy group include, but are not limited to, benzyloxy, fluorobenzyloxy, chlorobenzyloxy, cyano-substituted benzyloxy, methanesulfonyl-substituted benzyloxy, phenylethoxy, and the like.
Detailed description of the invention
In one aspect of the invention, a monomer is provided. According to an embodiment of the present invention, the monomer has a structure represented by formula (I):
Figure BDA0001977712190000061
wherein R is1Is hydrogen or methyl; r2Is an alkyl group; n is 0, 1,2,3,4 or 5, and R3 are each independently-L-M, wherein L is a bond, alkylene, -O-, -NR-, -C (═ O) NR-, -S (═ O)2-or-S (═ O)2N-, M is hydrogen, alkyl, halogen, hydroxyl, cyano, nitro, aldehyde, haloalkyl, alkoxy, alkylthio, alkylamino, alkenyl, alkynyl, aryl, arylalkyl or aryloxy; each R is independently hydrogen, hydroxy, C1-6Alkyl radical, C2-6Alkenyl radical, C2-6Alkynyl, C1-6Alkoxy radical, C6-10Aryl or C6-10Aryl radical C1-6An alkyl group; that is, when n is greater than 1, a plurality of R in the monomer3May or may not be the same.
In one embodiment of the present invention, R is2Can be C1-C6An alkyl group; in another embodiment of the present invention, R is as defined above2And may be methyl, ethyl, n-propyl, isopropyl, n-butyl or isobutyl.
In one embodiment of the present invention, L may be a bond, alkylene, -O-, -NR-, -C (═ O) NR-, -S (═ O)2-or-S (═ O)2N-; in another embodiment of the present invention, L may be a bond, C1-8Alkylene or-O-; in another embodiment of the present invention, L may be a bond, C1-4-alkylene or-O-; in still another embodiment of the present invention, the above L may be a bond, methylene, ethylene, propylene or-O-.
In one embodiment of the present invention, M may be hydrogen, fluorine, chlorine, bromine, iodine, hydroxyl, cyano, nitro, aldehyde, C1-6Alkyl radical, C1-6Haloalkyl, C1-6Alkoxy radical, C1-6Alkylthio radical, C1-6Alkylamino radical, C2-6An alkenyl group,C2-6Alkynyl, C6-10Aryl radical, C6-10Aryl radical C1-6Alkyl or C6-12An aryloxy group; in one embodiment of the present invention, M may be hydrogen, fluorine, chlorine, bromine, iodine, C1-6Alkyl radical, C1-6Haloalkyl, C1-6Alkoxy or C6-C10An aryl group; in another embodiment of the present invention, M may be hydrogen or C1-4Alkyl radical, C1-4Haloalkyl, C1-4Alkoxy or C6-10An aryl group; in still another embodiment of the present invention, the above M may be hydrogen, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, trifluoromethyl, trifluoroethyl, methoxy, ethoxy, propoxy, butoxy, phenyl.
In one embodiment of the invention, R3Each independently hydrogen, fluorine, chlorine, bromine, iodine, cyano, hydroxyl, nitro, aldehyde, -NRaRb、-C(=O)Rc、-S(=O)2Rc、-C(=O)NRaRb、-S(=O)2NRaRb、C1-6Alkyl radical, C1-6Alkoxy radical, C1-6Alkylthio, halo C1-6Alkyl, halo C1-6Alkoxy radical, C1-6Alkoxy radical C1-6Alkyl radical, C1-6Alkylamino radical C1-6Alkyl radical, C1-6Alkylthio group C1-6Alkyl radical, C2-6Alkenyl radical, C2-6Alkynyl, C6-12Aryl radical, C6-12Aryl radical C1-6Alkyl radical, C6-12Aryloxy radical, C6-12Aryloxy radical C1-6Alkyl or C6-12Aryl radical C1-6An alkoxy group; and each Ra、RbAnd RcIndependently hydrogen, hydroxy, C1-6Alkyl radical, C2-6Alkenyl radical, C2-6Alkynyl, C1-6Alkoxy radical, C6-10Aryl or C6-10Aryl radical C1-6An alkyl group.
Preferably, R3Each independently is hydrogen, fluorine, chlorine, bromine, cyano, hydroxyl, nitro, aldehyde group, -NH2、-N(CH3)2、-C(=O)CH3、-C(=O)OH、-C(=O)OCH3、-CONH2、-CON(CH3)2Methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, isobutoxy, trifluoromethyl, trifluoromethoxy, trifluoroethyl, trifluoroethoxy, methoxymethyl, methoxyethyl, methoxypropyl, ethoxymethyl, ethoxyethyl, ethoxypropyl, phenyl, benzyl, phenethyl, phenylpropyl, phenoxy, phenoxymethyl, phenoxyethyl, benzyloxy, phenylethoxy.
In another embodiment of the invention, R1May be hydrogen or methyl, with R2May be methyl or ethyl; r3Each independently hydrogen, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, methoxy, ethoxy, trifluoromethyl, trifluoroethyl, trifluoromethoxy, trifluoroethoxy, methoxymethyl, methoxyethyl, methoxypropyl, phenyl, phenoxy or benzyl.
Specifically, the monomer of the present invention may be:
Figure BDA0001977712190000071
Figure BDA0001977712190000081
Figure BDA0001977712190000082
or
Figure BDA0001977712190000083
When the monomer is used for preparing the polymer, the obtained polymer has good mechanical property and high refractive index, and can meet the requirements of preparing slim foldable intraocular lenses and other eye medical devices. The monomer according to the invention has a refractive index of not less than 1.53 and a spectral transmittance of not less than 80% in the visible light range of 400nm to 800 nm.
In another aspect of the invention, the invention provides a process for preparing the monomer of formula (I) of the invention. The method has simple operation and high yield, and is particularly suitable for industrial scale-up production. The method is to obtain the polymer by condensation reaction of two compounds shown in the following formula:
Figure BDA0001977712190000084
wherein n and R1、R2And R3Having the above definitions of the invention, further description is omitted here.
In one embodiment of the present invention, the condensation reaction is carried out in an aprotic solvent. The aprotic solvent includes at least one of dichloromethane, chloroform, carbon tetrachloride, 1, 2-dichloroethane, 1,1, 1-trichloroethane, chlorobenzene, dichlorobenzene, pentane, n-hexane, methylcyclohexane, 1, 1-diethoxypropane, 1, 1-dimethoxymethane, 2-dimethoxypropane, 1,2,3, 4-tetrahydronaphthalene, decahydronaphthalene, benzene, toluene, xylene, cumene, diethyl ether, methyl tert-butyl ether, tetrahydrofuran, 1, 4-dioxane, ethylene glycol diethyl ether, ethylene glycol dibutyl ether, ethyl acetate, and butyl acetate.
In another embodiment of the present invention, the above condensation reaction is carried out in the presence of an aprotic solvent and a base. The base may include at least one of triethylamine, diisopropylethylamine, diethylamine, pyridine, N-dimethyl-pyridine, triethylenediamine, tetramethylethylenediamine, N-methylmorpholine, 1, 8-diazabicycloundecen-7-ene, sodium carbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate, cesium carbonate, sodium hydroxide, potassium hydroxide, and calcium hydroxide.
Further, the compound represented in formula (II) can be obtained by the following reaction: and (b) carrying out substitution reaction on the compound shown in the formula (IV) and the compound shown in the formula (V).
Figure BDA0001977712190000091
Wherein n and R2And R3Having the above definitions of the present invention, further description is omitted herein; r4May be-Cl, -Br, -OTs (p-toluenesulfonyl) or-OMs (methylsulfonyl).
In one embodiment of the present invention, the substitution reaction is carried out in a protic solvent. For example, the protic solvent may include at least one of ethanol, isopropanol, N-butanol, N-dimethylformamide, dimethyl sulfoxide, acetone, methyl ethyl ketone, and dioxane.
In another embodiment of the present invention, the substitution reaction is carried out in the presence of a protic solvent and an inorganic base. The inorganic base may include at least one of sodium carbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate, cesium carbonate, sodium hydroxide, potassium hydroxide, and calcium hydroxide.
In another aspect of the invention, the invention features a polymer. The monomers constituting the polymer include at least one of the monomers described above in the present invention. Therefore, the polymer has at least one of the advantages of high refractive index, excellent mechanical property, suitability for preparing ocular medical devices and the like.
In an embodiment of the present invention, the monomers constituting the polymer include one of the monomers of the present invention. In another embodiment of the present invention, two or more of the aforementioned monomers may be included in the monomers constituting the above-mentioned polymer.
In another embodiment of the present invention, the monomer constituting the above-mentioned polymer is not limited to the monomers set forth previously in the present invention. For example, the monomers constituting the above polymer may further include a compound represented by the formula (VI):
Figure BDA0001977712190000092
wherein R is5Is H or methyl; l is1Is a bond, - (CH)2)6-O-or C1-6An alkylene group; ar is phenyl optionally substituted with 1,2,3,4, or 5 substituents selected from the group consisting of fluoro, chloro, bromo, iodo, cyano, azido, nitro, amino, hydroxy, mercapto, alkylamino, alkoxy, alkylthio, alkyl, haloalkyl, alkenyl, alkynyl, and aryl.
In one embodiment of the present invention, the compound having the structural formula satisfying formula (VI) above may be:
Figure BDA0001977712190000093
Figure BDA0001977712190000094
and
Figure BDA0001977712190000101
in order to further improve the performance of the polymer, the raw materials for forming the polymer can further comprise at least one of a cross-linking agent, an initiator and an ultraviolet absorber.
In one embodiment of the present invention, the crosslinking agent may include at least one of ethylene glycol dimethacrylate, diethylene glycol dimethacrylate, polyethylene glycol dimethacrylate, 1, 3-propanediol dimethacrylate, 1, 6-hexanediol dimethacrylate, 1, 3-butanediol dimethacrylate, 1, 4-butanediol diacrylate, trimethylolpropane trimethacrylate, 1, 5-bis (methacryloyloxy) -2,2,3,3,4, 4-hexafluorohexane, 1, 6-bis (acryloyloxy) -2,2,3,3,4,4,5, 5-octafluorohexane, and pentaerythritol tetraacrylate. The cross-linking agent can play a better role in cross-linking each monomer, thereby further improving the performance of the polymer. In one embodiment, the crosslinking agent may be used in an amount of 2 to 7% by weight, based on the total weight of monomers used to synthesize the polymer. When the amount of the crosslinking agent is within the above range, a good crosslinking reaction effect can be obtained, and the obtained polymer has high mechanical strength and is less likely to undergo plastic deformation.
In one embodiment of the present invention, the initiator may include at least one of benzoyl peroxide, t-butyl hydroperoxide, cumyl hydroperoxide, bis (4-t-butylcyclohexyl) peroxydicarbonate, azobisisobutyronitrile, and azobis (2, 4-dimethylvaleronitrile). In one embodiment, the initiator may be used in an amount of 0.1 to 5% by weight, based on the total weight of monomers used to synthesize the polymer.
In one embodiment of the present invention, the ultraviolet absorber may include at least one of a copolymerizable benzotriazole-based compound and a copolymerizable benzophenone-based compound. In the present invention, the "copolymerizable benzotriazole-based compound" and the "copolymerizable benzophenone-based compound" are compounds containing a corresponding group (benzotriazole or benzophenone) copolymerizable with at least one of the above-mentioned monomers of the present invention (including the monomers proposed in the present invention and the compounds satisfying the formula (VI)), the initiator and the crosslinking agent. Those skilled in the art can select suitable compounds as the uv absorber within the above range depending on the actual situation, for example, the specific requirements of the ophthalmic medical device for the polymer. In one embodiment, the UV absorber can include 2- (2' -hydroxy-3 ' -methallyl-5 ' -methylphenyl) benzotriazole, 2- [3- (2H-benzotriazol-2-yl) -4-hydroxyphenyl ] ethyl 2-methacrylate, 2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol, 2- (5-chloro-2H-benzo [ d ] [1,2,3] triazole) -4-methyl-6- (2-allyl) phenol, 4-allyl-2- (5-chloro-2H-benzo [ d ] [1, at least one of 2,3] triazole) -6-methoxyphenol, 2- (5-chloro-2H-1, 2, 3-benzo [ d ] [1,2,3] triazole) -4-methyl-6-allylphenol, 2-hydroxy-4- (methacryloyloxy) benzophenone, and 2- (4-benzoyl-3-hydroxyphenoxy) ethyl 2-acrylate. The ultraviolet absorbent added into the raw material of the polymer can absorb most of ultraviolet rays and prevent the retina of the eye from being damaged by exposure to the ultraviolet rays. The polymer added with the ultraviolet absorbent has the ultraviolet transmittance of 10 percent, the cut-off wavelength of not less than 360nm, the ultraviolet transmittance of the material in the range of less than the cut-off wavelength is lower, the maximum value of the visible light transmittance is not less than 80 percent, and the polymer has excellent ultraviolet light absorption capacity and visible light transmittance. The amount of the ultraviolet absorber used may be 1 to 2% by weight based on the total weight of monomers used to synthesize the polymer. When the content of the ultraviolet absorber is within the above range, most of ultraviolet rays can be effectively absorbed without adversely affecting the refractive index and flexibility of the polymer.
In summary, the polymer including the monomer provided by the invention has at least one of the advantages of high refractive index, good transmittance, excellent mechanical properties and the like, so that when the polymer is used for preparing an ocular medical device, more ideal device performance can be realized under a smaller thickness, and implantation of the ocular medical device can be realized by using a smaller surgical incision.
The refractive index of the polymer is not less than 1.53, and is greatly improved compared with the refractive index of the existing polymer for the ocular medical device, so that the thickness and the performance of the ocular medical device prepared by using the polymer can be obviously reduced. The polymers have high spectral transmittance in the visible light range. The polymer has higher tensile strength, proper elastic modulus and larger elongation at break, and the foldable intraocular lens prepared by the polymer provided by the invention can not damage human eyes due to too violent opening, and can not influence the use effect due to poor mechanical properties.
In a further aspect of the invention, the invention proposes the use of a polymer as described above for the preparation of an ophthalmic medical device. The polymer has high refractive index, good transmittance and excellent mechanical property, so that when the polymer is used for preparing the eye medical device, more ideal device performance can be realized under a smaller thickness, and the implantation of the eye medical device can be realized by using a smaller operation incision.
In the present invention, the above-mentioned ocular medical device may be an artificial lens, an intraocular lens, a contact lens, a corneal modifier, an intracorneal lens, a corneal inlay, a corneal ring, a glaucoma filter device, or the like. Thus, the use effect of the ocular medical device can be further improved.
In yet another aspect of the invention, the invention provides a method of making the aforementioned polymer. The method obtains the polymer by carrying out gradient heating treatment, namely gradient heating treatment on the raw material mixture. Wherein the feed mixture contains the monomers of the invention as set forth above. The specific types of the above monomers have been described in detail above and will not be described in detail here. In order to further improve the performance of the polymer prepared by the method, at least one of a cross-linking agent, an initiator and an ultraviolet absorber can be further included in the raw material mixture. The method has simple and convenient operation steps and short production period, and the obtained polymer has ideal refractive index.
In one embodiment, the gradient heat treatment may include:
a first reaction stage:
in the first reaction stage, the raw material mixture is heated to 40-70 ℃ for reaction, and the reaction time can be 1-24 hours. Thereby avoiding violent reaction and making the material more uniform.
And a second reaction stage:
in the second reaction stage, the raw material mixture after the first reaction stage is heated to 80-120 ℃ for reaction, and the reaction time can be 1-24 hours. Therefore, the conversion rate of the reaction raw materials can be further improved, and the material properties are more stable.
The scheme of the invention will be explained with reference to the examples. It will be appreciated by those skilled in the art that the following examples are illustrative of the invention only and should not be taken as limiting the scope of the invention. The examples, where specific techniques or conditions are not indicated, are to be construed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products commercially available.
In the examples described below, all temperatures are given in degrees Celsius unless otherwise indicated. The reagents used are either commercially available or can be prepared by the methods described herein.
Synthesis of monomers
EXAMPLE 1 preparation of 1-ethoxy-3-phenoxy-2-propyl acrylate (formula)
Figure BDA0001977712190000111
(1) Preparation of 1-ethoxy-3-phenoxy-2-propanol
Phenol (14.0g, 14.9mmol), potassium carbonate (28.0g, 20mmol) and absolute ethanol (200mL) were added sequentially to a three-necked flask, and after the mixture was stirred under reflux for 1 hour, 1-chloro-3-ethoxy-2-propanol (13.9g, 10mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was cooled to room temperature, filtered, the filtrate was rotary evaporated to remove ethanol, the crude product was diluted with dichloromethane (200mL) and washed with aqueous sodium hydroxide (10% wt, 80mL x 3). The organic phase was dried over anhydrous sodium sulfate, filtered and the solvent removed by rotary evaporation to give the title compound as a pale yellow liquid (13g, 66%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:219[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.33-7.28(m,2H),7.00-6.94(m,3H),4.09-4.02(m,1H),3.67-3.56(m,4H),2.62(s,1H),1.30-1.22(t,3H)。
(2) preparation of 1-ethoxy-3-phenoxy-2-propyl acrylate
1-ethoxy-3-phenoxy-2-propanol (5g, 25.5mmol), diisopropylethylamine (12.0g, 93.0mmol), 4-dimethylaminopyridine (1.2g, 10.0mmol) and tetrahydrofuran (70mL) were added sequentially to a single-neck flask, and after sufficient dissolution, acryloyl chloride (10.0g, 111.1mmol) was slowly added dropwise thereto and stirring was continued for 24 h. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give the title compound as a colorless viscous liquid (2.5g, 40%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:273[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.32-7.28(t,2H),7.00-6.94(t,3H),6.49-6.46(d,1H),6.22-6.171(t,1H),5.89-5.87(d,1H),5.42-5.39(m,1H),4.26-4.18(m,2H),3.76-3.75(d,2H),3.61-3.54(m,2H),1.24-1.20(t,3H)。
example 2 preparation of 1-ethoxy-3-phenoxy 2-propyl methacrylate (formula shown below)
Figure BDA0001977712190000121
1-ethoxy-3-phenoxy-2-propanol (4.0g, 20mmol), diisopropylethylamine (5.6g, 43.0mmol), 4-dimethylaminopyridine (0.3g, 2.3mmol) and tetrahydrofuran (70mL) were added in this order to a single-neck flask, and after sufficient dissolution, methacryloyl chloride (8.8g, 84.6mmol) was slowly added dropwise thereto and stirring was continued for 24 h. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation, dissolved in dichloromethane (200mL), and stirred overnight with aqueous sodium hydroxide (5% wt, 80 mL). After separation the solvent was removed by rotary evaporation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give the title compound as a colorless viscous liquid (2.5g, 63%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:287[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.32-7.28(t,2H),7.00-6.94(t,3H),6.17(s,1H),5.61(s,1H),5.40-5.35(m,1H),4.26-4.18(m,2H),3.76-3.75(d,2H),3.61-3.54(m,2H),1.98(s,3H),1.24-1.20(t,3H)。
EXAMPLE 3 preparation of 1-ethoxy-3- (4-phenylphenyl) oxy-2-propyl acrylate (formula)
Figure BDA0001977712190000122
(1) Preparation of 1-ethoxy-3- (4-phenylphenyl) oxy-2-propanol
4-phenylphenol (25.8g, 152.0mmol), potassium carbonate (21.0g, 152.0mmol) and anhydrous ethanol (200mL) were added in this order to a three-necked flask, and after the mixture was stirred at reflux for 1 hour, 1-chloro-3-ethoxy-2-propanol (14.0g, 100.0mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was cooled to room temperature, filtered, the filtrate was rotary evaporated to remove ethanol, the crude product was diluted with dichloromethane (200mL) and washed with aqueous sodium hydroxide (5% wt, 80mL x 3). The organic phase was dried over anhydrous sodium sulfate for 2 hours, filtered and the solvent removed by rotary evaporation to give the title compound as a white solid (26.1g, 95%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:295[M+H]+
1H-NMR(400MHz,CDCl3)δ(ppm):7.58-7.54(t,4H),7.46-7.42(t,2H),7.35-7.28(m,1H),7.03-7.01(d,2H),4.23-4.18(m,1H),4.13-4.07(m,2H),3.69-3.58(m,4H),2.61-2.60(d,1H),1.27-1.24(t,3H)。
(2) preparation of 1-ethoxy-3- (4-phenylbenzene) oxy-2-propyl acrylate to a single-neck flask were added 1- (4-phenylbenzene) oxy-3-ethoxy-2-propanol (13.0g, 47.8mmol), triethylamine (9.7g, 95.6mmol), 4-dimethylaminopyridine (1.2g, 9.6mmol), and tetrahydrofuran (70mL) in that order, and after sufficient dissolution, acryloyl chloride (6.5g, 71.7mmol) was slowly added dropwise thereto, and stirring was continued for 24 h. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 100/1) to give a colorless viscous liquid (9.0g, 57.8% yield). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:349[M+Na]+
1H NMR(400MHz,CDCl3)δ:7.60-7.55(t,4H),7.47-7.43(t,2H),7.36-7.32(t,1H),7.05-7.03(d,2H),6.53-6.48(d,1H),6.26-6.19(t,1H),5.91-5.89(d,1H),5.47-5.42(m,1H),4.31-4.24(m,2H),3.79-3.78(d,2H),3.66-3.55(m,2H),1.26-1.23(t,3H)。
example 4 preparation of 1-ethoxy-3- (4-phenylphenyl) oxy-2-propyl methacrylate (formula below):
Figure BDA0001977712190000131
to a one-necked flask, 1- (4-phenylphenyl) oxy-3-ethoxy-2-propanol (13.0g, 47.8mmol), triethylamine (9.7g, 95.6mmol), 4-dimethylaminopyridine (1.2g, 9.6mmol) and tetrahydrofuran (70mL) were added in this order, and after sufficient dissolution, acryloyl chloride (6.5g, 71.7mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 100/1) to give a colorless viscous liquid (9.0g, 57.8% yield). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:363[M+Na]+
1H NMR(400MHz,CDCl3)δ:7.58-7.53(t,4H),7.46-7.42(t,2H),7.35-7.31(t,1H),7.04-7.02(d,2H),6.18(s,1H),5.62(s,1H),5.42-5.37(m,1H),4.30-4.23(m,2H),3.78-3.77(d,2H),3.65-3.54(m,2H),1.99(s,3H),1.25-1.21(t,3H)。
example 5 preparation of 1-ethoxy-3- (4-benzylbenzene) oxy-2-propyl acrylate (formula below):
Figure BDA0001977712190000132
(1) preparation of 1-ethoxy-3- (4-benzylbenzene) oxy-2-propanol
4-Benzylphenol (15.0g, 81.5mmol), potassium carbonate (14.2g, 102.2mmol) and absolute ethanol (100mL) were added in this order to a three-necked flask, and after the mixture was stirred under reflux for 1 hour, 1-chloro-3-ethoxy-2-propanol (8.1g, 58.3mmol) was slowly added dropwise thereto and stirring was continued for 24 hours. The reaction was cooled to room temperature, filtered, the filtrate was rotary evaporated to remove ethanol, the crude product was diluted with dichloromethane (200mL) and washed with aqueous sodium hydroxide (5% wt, 80mL x 6). The organic phase was dried over anhydrous sodium sulfate, filtered and the solvent removed by rotary evaporation to give the title compound as a white solid (12g, yield 72%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:309[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.62-7.28(t,2H),7.23-7.18(t,3H),7.13-7.11(d,2H),6.88-6.86(d,2H),4.19-4.14(m,1H),4.05-3.99(m,2H),3.95(s,2H),3.66-3.54(m,4H),1.26-1.22(t,3H)。
(2) preparation of 1-ethoxy-3- (4-benzylbenzene) oxy-2-propyl acrylate
To a single-neck flask were added 1-ethoxy-3- (4-benzylbenzene) oxy-2-propanol (12.0g, 16.5mmol), triethylamine (7.5g, 74.3mmol), 4-dimethylaminopyridine (1.1g, 8.2mmol) and tetrahydrofuran (70mL) in this order, and after sufficient dissolution, acryloyl chloride (10.2g, 113.3mmol) was slowly added dropwise thereto, and stirring was continued for 24 h. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. After separation, the solvent was removed by rotary evaporation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give a colorless viscous liquid (6.4g, 45% yield). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:363[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.32-7.28(t,2H),7.23-7.18(t,3H),7.13-7.11(d,2H),6.88-6.86(d,2H),6.49-6.44(t,1H),6.22-6.15(t,1H),5.88-5.86(t,1H),5.41-5.36(m,1H),4.22-4.15(m,2H),3.95(s,2H),3.75-3.74(m,2H),3.60-3.53(m,2H),1.23-1.19(t,3H)。
example 6 preparation of 1-ethoxy-3- (4-benzylbenzene) oxy-2-propyl methacrylate (formula below):
Figure BDA0001977712190000141
to a single-necked flask were added 1-ethoxy-3- (4-benzylbenzene) oxy-2-propanol (12.3g, 43.0mmol), triethylamine (9.2g, 91.1mmol), 4-dimethylaminopyridine (0.5g, 4.2mmol) and tetrahydrofuran (70mL) in this order, and after sufficient dissolution, methacryloyl chloride (6.5g, 62.5mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. After separation, the solvent was removed by rotary evaporation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 20/1) to give a colorless viscous liquid (8.3g, 54% yield). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:377[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.31-7.28(t,3H),7.22-7.18(m,2H),7.12-7.10(d,2H),6.88-6.86(d,2H),6.14(s,1H),5.59(s,1H),5.37-5.32(m,1H),4.22-4.14(m,2H),3.94(s,2H),3.74-3.73(d,2H),3.60-3.52(m,2H),1.96(s,3H),1.22-1.19(t,3H)。
example 7 preparation of 1-ethoxy-3- (3-methoxybenzene) oxy-2-propyl acrylate (formula:
Figure BDA0001977712190000142
(1) preparation of 1-ethoxy-3- (3-methoxybenzene) oxy-2-propanol
3-methoxyphenol (18.9g, 152.0mmol), potassium carbonate (14.0g, 101.0mmol) and absolute ethanol (100mL) were added sequentially to a three-necked flask, and after the mixture was stirred at reflux for 1 hour, 1-chloro-3-ethoxy-2-propanol (14.0g, 100.0mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was cooled to room temperature, filtered, the filtrate was rotary evaporated to remove ethanol, the crude product was diluted with dichloromethane (200mL) and washed with aqueous sodium hydroxide (5% wt, 80mL x 3). The organic phase was dried over anhydrous sodium sulfate, filtered and the solvent removed by rotary evaporation to give the title compound as a white solid (18g, yield 79%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:249[M+Na]+
1H-NMR(400MHz,CDCl3)δ(ppm):7.22-7.18(t,1H),6.56-6.51(m,3H),4.19-4.16(t,1H),4.04-4.01(m,2H),3.81(s,3H),3.66-3.56(m,4H),2.61-2.60(d,1H),1.26-1.21(m,3H)。
(2) preparation of 1-ethoxy-3- (3-methoxybenzene) oxy-2-propyl acrylate
To a single-neck flask were added step 1-ethoxy-3- (3-methoxybenzene) oxy-2-propanol (8.8g, 38.9mmol), triethylamine (7.9g, 77.8mmol), 4-dimethylaminopyridine (1.0g, 8.1mmol) and tetrahydrofuran (70mL) in that order, and after sufficient dissolution, acryloyl chloride (5.3g, 58.4mmol) was slowly added dropwise thereto and stirring was continued for 24 h. The reaction was filtered, tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give a colorless viscous liquid (7g, 62% yield). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:303[M+Na]+
1H-NMR(400MHz,CDCl3)δ(ppm):7.21-7.17(t,1H),6.55-6.45(m,4H),6.23-6.16(m,1H),5.89-5.86(m,1H),5.40-5.38(t,1H),4.23-4.15(m,2H),3.81(s,3H),3.75-3.73(d,2H),3.61-3.52(m,2H),1.23-1.20(t,3H)。
example 8 preparation of 1-ethoxy-3- (3-methoxybenzene) oxy-2-propyl methacrylate (formula:
Figure BDA0001977712190000151
to a single-neck flask were added 1-ethoxy-3- (3-methoxybenzene) oxy-2-propanol (8.1g, 35.4mmol), triethylamine (7.2g, 70.8mmol), 4-dimethylaminopyridine (0.9g, 7.2mmol) and tetrahydrofuran (70mL) in this order, and after sufficient dissolution, methacryloyl chloride (5.5g, 53.1mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 20/1) to give a colorless viscous liquid (7.4g, 71% yield). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:317[M+Na]+
1H-NMR(400MHz,CDCl3)δ(ppm):7.21-7.17(t,1H),6.55-6.51(m,3H),6.16(s,1H),5.61-5.60(d,1H),5.37-5.35(t,1H),4.23-4.16(m,2H),3.81(s,3H),3.75-3.73(d,2H),3.60-3.53(m,2H),1.97(s,3H),1.23-1.19(t,3H)。
example 9 preparation of 1-ethoxy-3- (4-phenoxyphenyl) oxy-2-propyl acrylate (formula:
Figure BDA0001977712190000152
(1) preparation of 1-ethoxy-3- (4-phenoxyphenyl) oxy-2-propanol
4-Phenoxyphenol (38.6g, 210.9mmol), potassium carbonate (30.0g, 217.3mmol) and absolute ethanol (100mL) were added in this order to a three-necked flask, and after the mixture was stirred under reflux for 1 hour, 1-chloro-3-ethoxy-2-propanol (13.2g, 95.0mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was cooled to room temperature, filtered, the filtrate was rotary evaporated to remove ethanol, the crude product was diluted with dichloromethane (200mL) and washed with aqueous sodium hydroxide (5% wt, 80mL x 6). The organic phase was dried over anhydrous sodium sulfate, filtered and the solvent removed by rotary evaporation to give the title compound as a pale yellow liquid (23.5g, yield 81%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:311[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.34-7.30(t,2H),7.08-7.05(t,1H),7.01-6.91(m,6H),4.22-4.15(m,1H),4.07-4.00(m,2H),3.66-3.57(m,4H),2.60-2.58(d,1H),1.27-1.23(t,3H)。
(2) preparation of 1-ethoxy-3- (4-phenoxyphenyl) oxy-2-propyl acrylate
To a single-neck flask were added successively 1-ethoxy-3- (4-phenoxyphenyl) oxy-2-propanol (39.0g, 135.4mmol) obtained in step (1), triethylamine (30.0g, 297.0mmol), 4-dimethylaminopyridine (3.3g, 27.0mmol) and tetrahydrofuran (70mL), and after sufficient dissolution, acryloyl chloride (10.2g, 113.3mmol) was slowly added dropwise thereto, and stirring was continued for 24 h. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give a colorless viscous liquid (33g, 71% yield). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:365[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.34-7.30(t,2H),7.08-7.05(t,1H),7.01-6.91(m,6H),6.50-6.45(t,1H),6.24-6.21(t,1H),5.90-5.88(t,1H),5.42-5.37(m,1H),4.24-4.16(m,2H),3.76-3.75(m,2H),3.62-3.54(m,2H),1.27-1.23(t,3H)。
example 10 preparation of 1-ethoxy-3- (4-phenoxyphenyl) oxy-2-propyl methacrylate (formula:
Figure BDA0001977712190000161
to a single-neck flask were added 1-ethoxy-3- (4-phenoxyphenyl) oxy-2-propanol (12.0g, 41.7mmol), triethylamine (10.7g, 105.9mmol), 4-dimethylaminopyridine (1.3g, 10.9mmol) and tetrahydrofuran (70mL) in this order, and after sufficient dissolution, methacryloyl chloride (8.5g, 81.7mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 20/1) to give a colorless viscous liquid (10.8g, 68% yield). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:379[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.34-7.30(t,2H),7.08-7.05(t,1H),7.01-6.91(m,6H),6.17(s,1H),5.62(s,1H),5.39-5.34(m,1H),4.24-4.17(m,2H),3.76-3.74(m,2H),3.64-3.52(m,2H),1.98(s,3H),1.2,4-1.20(t,3H)。
EXAMPLE 11 preparation of 1-methoxy-3-phenoxy-2-propyl acrylate (formula)
Figure BDA0001977712190000162
(1) Preparation of 1-methoxy-3-phenoxy-2-propanol
Phenol (19.2g, 204.3mmol), potassium carbonate (28g, 20mmol) and absolute ethanol (200mL) were added sequentially to a three-necked flask, and after the mixture was stirred under reflux for 1 hour, 1-chloro-3-methoxy-2-propanol (13.9g, 10mmol) was slowly added dropwise thereto and stirring was continued for 24 hours. The reaction was cooled to room temperature, filtered, the filtrate was rotary evaporated to remove ethanol, the crude product was diluted with dichloromethane (200mL) and washed with aqueous sodium hydroxide (5% wt, 80mL x 3). The organic phase was dried over anhydrous sodium sulfate, filtered and the solvent removed by rotary evaporation to give the title compound as a pale yellow liquid (12g, 33%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:205[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.33-7.29(t,2H),7.00-6.99(m,3H),4.22-4.16(m,1H),4.08-4.01(m,2H),3.63-3.55(m,2H),3.44(s,3H),2.63-2.62(d,1H)。
(2) preparation of 1-methoxy-3-phenoxy-2-propyl acrylate
1-methoxy-3-phenoxy-2-propanol (5.0g, 25.5mmol), triethylamine (12.0g, 93.0mmol), 4-dimethylaminopyridine (1.2g, 10mmol) and tetrahydrofuran (70mL) were added in this order to a single-neck flask, and after sufficient dissolution, acryloyl chloride (10.0g, 111.1mmol) was slowly added dropwise thereto and stirring was continued for 24 h. Filtering the reaction solution, and removing tetrahydrofuran by rotary evaporationAnd dissolved in methylene chloride (200mL), and stirred for 0.5h by adding an aqueous solution of sodium hydroxide (5% wt, 80 mL). The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give the title compound as a colorless viscous liquid (2.5g, 40%). The mass and nuclear magnetic H spectrum test data are as follows: LC-MS (ESI, pos. ion) m/z: 259[ M + Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.32-7.28(t,2H),7.00-6.94(t,3H),6.49-6.46(d,1H),6.22-6.17(t,1H),5.89-5.87(d,1H),5.42-5.39(m,1H),4.26-4.18(m,2H),3.76-3.75(d,2H),3.61-3.54(m,2H),1.24-1.20(t,3H)。
Example 12 preparation of 1-methoxy-3-phenoxy 2-propyl methacrylate (formula:
Figure BDA0001977712190000171
1-methoxy-3-phenoxy-2-propanol (6.0g, 32.2mmol), triethylamine (7.2g, 71.3mmol), 4-dimethylaminopyridine (0.8g, 6.9mmol) and tetrahydrofuran (70mL) were added in this order to a single-neck flask, and after sufficient dissolution, methacryloyl chloride (6.2g, 59.6mmol) was slowly added dropwise thereto and stirring was continued for 24 h. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation, dissolved in dichloromethane (200mL), and stirred overnight with aqueous sodium hydroxide (5% wt, 80 mL). The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give the title compound as a colorless viscous liquid (5.8g, 70%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:273[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.33-7.29(t,2H),7.00-6.95(m,3H),6.18(s,1H),5.62(s,1H),5.43-5.37(m,1H),4.22-4.21(d,2H),3.74-3.73(d,2H),3.42(s,3H),1.98(s,3H)。
example 13 preparation of 1-methoxy-3- (3-methylbenzene) oxy-2-propyl acrylate (formula:
Figure BDA0001977712190000172
(1) preparation of 1-methoxy-3- (3-methylbenzene) oxy-2-propanol
3-methylphenol (33.2g, 307.4mmol), potassium carbonate (44g, 316.5mmol) and absolute ethanol (200mL) were added sequentially to a three-necked flask, and after the mixture was stirred under reflux for 1 hour, 1-chloro-3-methoxy-2-propanol (25.0g, 200.0mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was cooled to room temperature, filtered, the filtrate was rotary evaporated to remove ethanol, the crude product was diluted with dichloromethane (200mL) and washed with aqueous sodium hydroxide (5% wt, 80mL x 3). The organic phase was dried over anhydrous sodium sulfate, filtered and the solvent removed by rotary evaporation to give the title compound as a pale yellow liquid (33g, 84%).
LC-MS(ESI,pos.ion)m/z:219[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.21-7.17(t,1H),6.81-6.74(m,3H),4.21-4.15(m,1H),4.06-4.00(m,2H),3.63-3.54(m,2H),3.44(s,3H),2.61-2.60(d,1H),2.35(s,3H)。
(2) Preparation of 1-methoxy-3- (3-methylbenzene) oxy-2-propyl acrylate
1-methoxy-3- (3-methylbenzene) oxy-2-propanol (12.0g, 61.2mmol), triethylamine (12.4g, 122.8mmol), 4-dimethylaminopyridine (0.5g, 4.1mmol) and tetrahydrofuran (70mL) were added in this order to a single-neck flask, and after sufficient dissolution, acryloyl chloride (11.0g, 122.2mmol) was slowly added dropwise thereto and stirring was continued for 24 h. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give the title compound as a colorless viscous liquid (7g, 46%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:273[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.20-7.16(t,1H),6.81-6.76(m,3H),6.46-6.45(d,1H),6.23-6.20(t,1H),5.89-5.87(d,1H),5.43-5.38(m,1H),4.22-4.15(m,2H),3.73-3.72(t,2H),3.42(s,3H),2.35(s,3H)。
example 14 preparation of 1-methoxy-3 (3-methylbenzene) oxy 2-propyl methacrylate (formula:
Figure BDA0001977712190000181
to a single-neck flask were added 1-methoxy-3- (3-methylbenzene) oxy-2-propanol (11.2g, 57.1mmol), triethylamine (10.3g, 102.0mmol), 4-dimethylaminopyridine (0.5g, 4.1mmol) and tetrahydrofuran (70mL) in this order, and after sufficient dissolution, methacryloyl chloride (9.6g, 92.3mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation, dissolved in dichloromethane (200mL), and stirred overnight with aqueous sodium hydroxide (5% wt, 80 mL). The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give the title compound as a colorless viscous liquid (12g, 79%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:287[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.19-7.16(t,1H),6.80-6.74(m,3H),6.18(s,1H),5.61(s,1H),5.39-5.34(m,1H),4.22-4.15(m,2H),3.75-3.69(t,2H),3.42(s,3H),2.34(s,3H),1.97(s,3H)。
example 15 preparation of 1-methoxy-3- (4-phenylphenyl) oxy-2-propyl acrylate (formula:
Figure BDA0001977712190000182
(1) preparation of 1-methoxy-3- (4-phenylphenyl) oxy-2-propanol
4-phenylphenol (50.2g, 295.3mmol), potassium carbonate (42.6g, 306.5mmol) and anhydrous ethanol (200mL) were added in this order to a three-necked flask, and after the mixture was stirred under reflux for 1 hour, 1-chloro-3-methoxy-2-propanol (25.0g, 200.0mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was cooled to room temperature, filtered, the filtrate was rotary evaporated to remove ethanol, the crude product was diluted with dichloromethane (200mL) and washed with aqueous sodium hydroxide (5% wt, 80mL x 3). The organic phase was dried over anhydrous sodium sulfate, filtered and the solvent removed by rotary evaporation to give the title compound as a pale yellow liquid (30g, 58%).
LC-MS(ESI,pos.ion)m/z:281[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.58-7.53(t,4H),7.46-7.42(t,2H),7.34-7.31(t,1H),7.03-7.01(d,2H),4.25-4.19(m,1H),4.12-4.06(m,2H),3.65-3.57(m,2H),3.45(s,3H),2.62-2.61(d,1H)。
(2) Preparation of 1-methoxy-3- (4-phenylbenzene) oxy-2-propyl acrylate to a single-neck flask were added 1- (4-phenylbenzene) oxy-3-methoxy-2-propanol (15.0g, 58.1mmol), triethylamine (11.7g, 116.0mmol), 4-dimethylaminopyridine (1.4g, 11.7mmol) and tetrahydrofuran (70mL) in that order, and after sufficient dissolution, acryloyl chloride (7.9g, 87.2mmol) was slowly added dropwise thereto, and stirring was continued for 24 h. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 100/1) to give a colorless viscous liquid (3.5g, 19.3% yield). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:335[M+Na]+
1H-NMR(400MHz,CDCl3)δ(ppm):7.58-7.54(t,4H),7.46-7.42(t,2H),7.35-7.31(t,1H),7.03-7.01(d,2H),6.52-6.47(d,1H),6.25-6.18(t,1H),5.91-5.89(d,1H),5.46-5.42(m,1H),4.29-4.22(m,2H),3.75-3.74(d,2H),3.44(s,3H)。
example 16 preparation of 1-methoxy-3- (4-phenylphenyl) oxy-2-propyl methacrylate (formula:
Figure BDA0001977712190000191
to a one-necked flask, 1- (4-phenylphenyl) oxy-3-methoxy-2-propanol (15.0g, 58.1mmol), triethylamine (11.8g, 117.0mmol), 4-dimethylaminopyridine (1.5g, 11.9mmol) and tetrahydrofuran (70mL) were added in this order, and after sufficient dissolution, methacryloyl chloride (9.1g, 87.5mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was filtered, tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 100/1) to give a colorless viscous liquid (6.0g, 31.7% yield). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:349[M+Na]+
1H-NMR(400MHz,CDCl3)δ(ppm):7.58-7.53(t,4H),7.46-7.42(t,2H),7.35-7.31(t,1H),7.04-7.01(d,2H),6.19(s,1H),5.62(s,1H),5.43-5.38(m,1H),4.26-4.25(d,2H),3.75-3.74(d,2H),3.44(s,3H),1.99(s,3H)。
example 17 preparation of 1-methoxy-3- (4-benzylbenzene) oxy-2-propyl acrylate (formula:
Figure BDA0001977712190000192
(1) preparation of 1-methoxy-3- (4-benzylbenzene) oxy-2-propanol
4-Benzylphenol (24.8g, 81.5mmol), potassium carbonate (19.0g, 138.0mmol) and absolute ethanol (100mL) were added to a three-necked flask in that order, and after the mixture was stirred under reflux for 1h, 1-chloro-3-methoxy-2-propanol (11.2g, 90.0mmol) was slowly added dropwise thereto and stirring was continued for 24 h. The reaction was cooled to room temperature, filtered, the filtrate was rotary evaporated to remove ethanol, the crude product was diluted with dichloromethane (200mL) and washed with aqueous sodium hydroxide (5% wt, 80mL x 6). The organic phase was dried over anhydrous sodium sulfate, filtered and the solvent removed by rotary evaporation to give the title compound as a white solid (16.4g, yield 67%).
LC-MS(ESI,pos.ion)m/z:295[M+Na]+
1H-NMR(400MHz,CDCl3)δ(ppm):7.33-7.28(m,2H),7.24-7.19(m,3H),7.14-7.12(d,2H),6.89-6.86(d,2H),4.20-4.16(m,1H),4.06-4.01(m,2H),3.99-3.95(d,2H),3.62-3.54(m,2H),3.44-3.42(d,3H),2.63-2.62(d,1H)。
(2) Preparation of 1-methoxy-3- (4-benzylbenzene) oxy-2-propyl acrylate
To a single-neck flask were added 1-methoxy-3- (4-benzylbenzene) oxy-2-propanol (8.1g, 26.9mmol), triethylamine (6.0g, 59.3mmol), 4-dimethylaminopyridine (0.8g, 6.3mmol) and tetrahydrofuran (70mL) in this order, and after sufficient dissolution, acryloyl chloride (4.0g, 44.1mmol) was slowly added dropwise thereto, and stirring was continued for 24 h. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give a colorless viscous liquid (6.6g, 68.8% yield). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:349[M+Na]+
1H-NMR(400MHz,CDCl3)δ(ppm):7.23-7.28(t,2H),7.23-7.28(m,3H),7.13-7.11(d,2H),6.88-6.86(d,2H),6.49-6.45(m,1H),6.22-6.15(m,1H),5.89-5.86(m,1H),5.41-5.38(t,1H),4.18-4.16(m,2H),3.95(s,2H),3.72-3.71(d,2H),3.42(s,3H)。
example 18 preparation of 1-methoxy-3- (4-benzylbenzene) oxy-2-propyl methacrylate (formula:
Figure BDA0001977712190000201
to a single-neck flask were added 1-methoxy-3- (4-benzylbenzene) oxy-2-propanol (8.0g, 29.4mmol), triethylamine (6.0g, 58.9mmol), 4-dimethylaminopyridine (0.8g, 7.3mmol) and tetrahydrofuran (70mL) in this order, and after sufficient dissolution, methacryloyl chloride (4.6g, 44.1mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 20/1) to give a colorless viscous liquid (7.9g, 79% yield). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:363[M+Na]+
1H-NMR(400MHz,CDCl3)δ(ppm):7.32-7.19(m,5H),7.13-7.11(d,2H),6.89-6.86(d,2H),6.16(s,1H),5.60(s,1H),5.39-5.34(m,1H),4.20-4.17(m,2H),3.95(s,2H),3.73-3.71(d,2H),3.43-3.42(s,3H),1.97(s,3H)。
example 19 preparation of 1-methoxy-3- (3-methoxybenzene) oxy-2-propyl acrylate (formula:
Figure BDA0001977712190000202
(1) preparation of 1-methoxy-3- (3-methoxybenzene) oxy-2-propanol
3-methoxyphenol (37.5g, 302.4mmol), potassium carbonate (51.2g, 368.3mmol) and absolute ethanol (200mL) were added sequentially to a three-necked flask, and after the mixture was stirred at reflux for 1 hour, 1-chloro-3-methoxy-2-propanol (25.0g, 200.0mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was cooled to room temperature, filtered, the filtrate was rotary evaporated to remove ethanol, the crude product was diluted with dichloromethane (200mL) and washed with aqueous sodium hydroxide (5% wt, 80mL x 3). The organic phase was dried over anhydrous sodium sulfate, filtered and the solvent removed by rotary evaporation to give the title compound as a pale yellow liquid (33g, 77%).
LC-MS(ESI,pos.ion)m/z:235[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.22-7.18(t,1H),6.56-6.51(m,3H),4.22-4.15(m,1H),4.06-4.02(m,2H),3.99(s,3H),3.62-3.54(m,2H),3.44(s,3H),2.62-2.61(d,1H)。
(2) Preparation of 1-methoxy-3- (3-methoxybenzene) oxy-2-propyl acrylate
To a single-neck flask were added 1-methoxy-3- (3-methoxybenzene) oxy-2-propanol (9.2g, 43.3mmol), triethylamine (8.3g, 82.2mmol), 4-dimethylaminopyridine (1.1g, 8.2mmol) and tetrahydrofuran (70mL) in this order, and after sufficient dissolution, acryloyl chloride (14.8g, 164.4mmol) was slowly added dropwise and stirring was continued for 24 h. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give the title compound as a colorless viscous liquid (4.5g, 30%).
LC-MS(ESI,pos.ion)m/z:289[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.19-7.17(t,1H),6.54-6.53(t,2H),6.51-6.51(d,1H),6.48-6.45(d,1H),6.21-6.17(t,1H),5.88-5.86(d,1H),5.42-5.38(m,1H),4.20-4.15(m,2H),3.79-3.78(s,3H),3.73-3.68(m,2H),3.41-3.40(d,3H)。
EXAMPLE 20 preparation of 1-methoxy-3 (3-methoxybenzene) oxy 2-propyl methacrylate (formula
Figure BDA0001977712190000211
To a single-neck flask were added 1-methoxy-3- (3-methoxybenzene) oxy-2-propanol (9.5g, 44.8mmol), triethylamine (8.3g, 82.2mmol), 4-dimethylaminopyridine (1.2g, 9.8mmol) and tetrahydrofuran (70mL) in this order, and after sufficient dissolution, methacryloyl chloride (7.1g, 68.3mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation, dissolved in dichloromethane (200mL), and stirred overnight with aqueous sodium hydroxide (5% wt, 80 mL). The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give the title compound as a colorless viscous liquid (8.3g, 66%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:303[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.21-7.17(t,1H),6.55-6.51(m,3H),6.17(s,1H),5.61(s,1H),5.40-5.35(m,1H),4.19-4.18(d,2H),3.81(s,3H),3.72-3.7(d,2H),3.42(s,3H),1.97(s,3H)。
example 21 preparation of 1-methoxy-3- (4-phenoxyphenyl) oxy-2-propyl acrylate (formula:
Figure BDA0001977712190000212
(1) preparation of 1-methoxy-3- (4-phenoxyphenyl) oxy-2-propanol
4-phenoxy phenol (28.1g, 150.0mmol), potassium carbonate (14.2g, 100.0mmol) and absolute ethanol (100mL) were added sequentially to a three-necked flask, and after the mixture was stirred at reflux for 1 hour, 1-chloro-3-methoxy-2-propanol (12.8g, 100.0mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was cooled to room temperature, filtered, the filtrate was rotary evaporated to remove ethanol, the crude product was diluted with dichloromethane (200mL) and washed with aqueous sodium hydroxide (5% wt, 80mL x 6). The organic phase was dried over anhydrous sodium sulfate, filtered and the solvent removed by rotary evaporation to give the title compound as a white solid (16.7g, yield 61%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:297[M+Na]+
H-NMR(400MHz,CDCl3)δ(ppm):7.34-7.28(m,2H),7.09-7.05(t,1H),7.01-6.91(m,6H),4.21-4.17(m,1H),4.04-4.01(m,2H),3.64-3.55(m,2H),3.45(s,3H),2.66-2.65(d,1H)。
(2) preparation of 1-methoxy-3- (4-phenoxyphenyl) oxy-2-propyl acrylate
To a single-necked flask, 1-methoxy-3- (4-phenoxyphenyl) oxy-2-propanol (8.7g, 135.4mmol) obtained in step (1), triethylamine (6.4g, 297.0mmol), 4-dimethylaminopyridine (0.8g, 6.5mmol) and tetrahydrofuran (70mL) were added in this order, and after sufficient dissolution, acryloyl chloride (4.3g, 48.0mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give a colorless viscous liquid (6.6g, 64% yield). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:351[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.34-7.28(m,2H),7.09-7.07(t,1H),7.0-6.91(m,6H),6.51-6.46(d,1H),6.24-6.17(m,1H),5.91-5.88(m,1H),5.42-5.40(t,1H),4.20-4.18(m,2H),3.73-3.72(m,2H),3.43(s,3H)。
example 22 preparation of 1-methoxy-3- (4-phenoxyphenyl) oxy-2-propyl methacrylate (formula:
Figure BDA0001977712190000221
to a single-neck flask were added 1-methoxy-3- (4-phenoxyphenyl) oxy-2-propanol (8.1g, 29.6mmol), triethylamine (6.5g, 64.0mmol), 4-dimethylaminopyridine (1.0g, 8.2mmol), and tetrahydrofuran (70mL) in this order, and after sufficient dissolution, methacryloyl chloride (4.6g, 44.6mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 20/1) to give a colorless viscous liquid (8.7g, 87.9% yield). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:365[M+Na]+
1H-NMR(400MHz,CDCl3)δ(ppm):7.34-7.28(m,2H),7.08-7.05(t,1H),7.00-6.91(m,6H),6.18(s,1H),5.62(s,1H),5.40-5.35(m,1H),4.23-4.16(m,2H),3.73-3.72(d,2H),3.45-3.43(s,3H),1.98-1.95(d,3H)。
example 54 preparation of 1-methoxy-3- (3-trifluoromethylbenzene) oxy-2-propyl acrylate (formula:
Figure BDA0001977712190000222
(1) preparation of 1-methoxy-3- (3-trifluoromethylbenzene) oxy-2-propanol
3-trifluoromethylphenol (22.5g, 138.9mmol), potassium carbonate (12.8g, 92.6mmol) and absolute ethanol (200mL) were added sequentially to a three-necked flask, and after the mixture was stirred under reflux for 1 hour, 1-chloro-3-methoxy-2-propanol (11.5g, 92.6mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was cooled to room temperature, filtered, the filtrate was rotary evaporated to remove ethanol, the crude product was diluted with dichloromethane (200mL) and washed with aqueous sodium hydroxide (5% wt, 80mL x 3). The organic phase was dried over anhydrous sodium sulfate, filtered and the solvent removed by rotary evaporation to give the title compound as a pale yellow liquid (15.5g, 67%).
LC-MS(ESI,pos.ion)m/z:273[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.43-7.39(t,1H),7.25-7.23(d,1H),7.16(s,1H),7.13-7.10(d,1H),4.24-4.17(m,1H),4.11-4.04(m,2H),3.63-3.56(m,2H),3.44(s,3H),2.63-2.62(d,1H)。
(2) Preparation of 1-methoxy-3- (3-trifluoromethylbenzene) oxy-2-propyl acrylate
To a single-neck flask were added 1-methoxy-3- (3-trifluoromethylbenzene) oxy-2-propanol (7.5g, 28.2mmol), triethylamine (6.1g, 60.0mmol), 4-dimethylaminopyridine (0.7g, 6.0mmol) and tetrahydrofuran (70mL) in this order, and after sufficient dissolution, acryloyl chloride (4.1g, 45.0mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give the title compound as a colorless viscous liquid (5.7g, 62.9%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:327[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.43-7.39(t,1H),7.25-7.25(d,1H),7.18(s,1H),7.12-7.10(d,1H),6.50-6.46(d,1H),6.22-6.15(m,1H),5.91-5.88(d,1H),5.44-5.39(m,1H),4.28-4.21(m,2H),3.72-3.71(d,2H),3.48(s,3H)。
example 55 preparation of 1-methoxy-3 (3-trifluoromethylbenzene) oxy 2-propyl methacrylate (formula:
Figure BDA0001977712190000231
to a single-neck flask were added 1-methoxy-3- (3-trifluoromethylbenzene) oxy-2-propanol (7.5g, 30.0mmol), triethylamine (6.1g, 60.0mmol), 4-dimethylaminopyridine (0.7g, 60mmol) and tetrahydrofuran (70mL) in this order, and after sufficient dissolution, methacryloyl chloride (4.7g, 45.0mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation, dissolved in dichloromethane (200mL), and stirred overnight with aqueous sodium hydroxide (5% wt, 80 mL). The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give the title compound as a colorless viscous liquid (5.1g, 53.7%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:341[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.43-7.39(t,1H),7.25-7.23(d,1H),7.18(s,1H),7.13-7.11(d,1H),6.16(s,1H),5.62(s,1H),5.41-5.36(m,1H),4.28-4.21(m,2H),3.72-3.71(d,2H),3.43(s,3H),1.97(s,3H)。
example 56 preparation of 1-methoxy-3- (4-trifluoromethoxybenzene) oxy-2-propyl acrylate (formula:
Figure BDA0001977712190000232
(1) preparation of 1-methoxy-3- (4-trifluoromethoxybenzene) oxy-2-propanol
4-trifluoromethoxyphenol (32.4g, 200.0mmol), potassium carbonate (18.4g, 136.3mmol) and absolute ethanol (200mL) were added in this order to a three-necked flask, and after the mixture was stirred under reflux for 1 hour, 1-chloro-3-methoxy-2-propanol (16.5g, 133.4mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was cooled to room temperature, filtered, the filtrate was rotary evaporated to remove ethanol, the crude product was diluted with dichloromethane (200mL) and washed with aqueous sodium hydroxide (5% wt, 80mL x 3). The organic phase was dried over anhydrous sodium sulfate, filtered and the solvent removed by rotary evaporation to give the title compound as a pale yellow liquid (24.4g, 73.3%).
LC-MS(ESI,pos.ion)m/z:289[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.17-7.15(d,2H),6.94-6.92(d,2H),4.22-4.15(m,1H),4.04-4.00(m,2H),3.62-3.54(m,2H),3.44(s,3H),2.59-2.57(d,1H)。
(2) Preparation of 1-methoxy-3- (4-trifluoromethoxybenzene) oxy-2-propyl acrylate
To a one-necked flask were added 1-methoxy-3- (4-trifluoromethoxybenzene) oxy-2-propanol (12.1g, 48.4mmol), triethylamine (9.9g, 96.8mmol), 4-dimethylaminopyridine (1.2g, 9.7mmol) and tetrahydrofuran (70mL) in this order, and after sufficient dissolution, acryloyl chloride (6.5g, 72.6mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was filtered, the tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give the title compound as a colorless viscous liquid (8.0g, 54.6%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:343[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.17-7.15(d,2H),6.94-6.92(d,2H),6.50-6.45(d,1H),6.22-6.15(m,1H),5.90-5.88(d,1H),5.42-5.37(m,1H),4.23-4.16(m,2H),3.71-3.70(d,2H),3.42(s,3H)。
example 57 preparation of 1-methoxy-3 (4-trifluoromethoxybenzene) oxy 2-propyl methacrylate (formula:
Figure BDA0001977712190000241
to a single-neck flask were added 1-methoxy-3- (4-trifluoromethoxybenzene) oxy-2-propanol (12.1g, 48.4mmol), triethylamine (9.8g, 96.8mmol), 4-dimethylaminopyridine (1.2g, 9.7mmol) and tetrahydrofuran (70mL) in this order, and after sufficient dissolution, methacryloyl chloride (7.6g, 72.6mmol) was slowly added dropwise thereto and stirring was continued for 24 h. The reaction was filtered, tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), and aqueous sodium hydroxide (5% wt, 80mL) was added and stirred overnight. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give the title compound as a colorless viscous liquid (8.7g, 56.7%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:357[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.17-7.14(d,2H),6.94-6.92(d,2H),6.15(s,1H),5.61(s,1H),5.39-5.34(m,1H),4.23-4.16(m,2H),3.71-3.70(d,2H),3.42(s,3H),1.97(s,3H)。
example 58 preparation of 1-methoxy-3- (4- (2-methoxyethyl) benzene) oxy-2-propyl acrylate (formula:
Figure BDA0001977712190000242
(1) preparation of 1-methoxy-3- (4- (2-methoxyethyl) benzene) oxy-2-propanol
4- (2-methoxyethyl) phenol (15.2g, 100.0mmol), potassium carbonate (13.8g, 100.0mmol) and absolute ethanol (200mL) were added to a three-necked flask in this order, and after the mixture was stirred under reflux for 1 hour, 1-chloro-3-methoxy-2-propanol (6.5g, 50.0mmol) was slowly added dropwise thereto, and stirring was continued for 24 hours. The reaction was cooled to room temperature, filtered, the filtrate was rotary evaporated to remove ethanol, the crude product was diluted with dichloromethane (200mL) and washed with aqueous sodium hydroxide (5% wt, 80mL x 3). The organic phase was dried over anhydrous sodium sulfate, filtered and the solvent removed by rotary evaporation to give the title compound as a pale yellow liquid (11.9g, 99.4%).
LC-MS(ESI,pos.ion)m/z:263[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.16-7.14(d,2H),6.88-6.86(d,2H),4.20-4.11(m,1H),4.05-3.98(m,2H),3.60-3.56(m,4H),3.43(s,3H),3.37(s,3H),2.86-2.83(t,2H)。
(2) Preparation of 1-methoxy-3- (4- (2-methoxyethyl) benzene) oxy-2-propyl acrylate
To a single-neck flask were added 1-methoxy-3- (4- (2-methoxyethyl) benzene) oxy-2-propanol (10.1g, 42.0mmol), triethylamine (8.7g, 86.5mmol), 4-dimethylaminopyridine (1.0g, 8.5mmol) and tetrahydrofuran (70mL) in this order, and after sufficient dissolution, acryloyl chloride (8.1g, 88.6mmol) was slowly added dropwise thereto, and stirring was continued for 24 h. The reaction was filtered, tetrahydrofuran removed by rotary evaporation and dissolved in dichloromethane (200mL), aqueous sodium hydroxide (5% wt, 80mL) was added and stirred for 0.5 h. The solvent was removed by rotary evaporation after separation and the product was purified by column chromatography (n-Hexane/EtOAc (v/v) ═ 40/1) to give the title compound as a colorless viscous liquid (8.0g, 68.8%). The mass and nuclear magnetic H spectrum test data are as follows:
LC-MS(ESI,pos.ion)m/z:317[M+Na]+
1H NMR(400MHz,CDCl3)δ(ppm):7.16-7.14(d,2H),6.88-6.86(d,2H),6.49-6.44(t,1H),6.22-6.20(m,1H),5.89-5.86(t,1H),5.42-5.37(m,1H),4.21-4.14(m,2H),3.72-3.71(d,2H),3.59-3.56(t,2H),3.41(s,3H),3.36(s,3H),2.86-2.82(t,2H)。
preparation of polymers
The components in the following examples are uniformly mixed according to the dosage proportion in the following examples to obtain a raw material mixture, then the raw material mixture is transferred to a mould consisting of two layers of glass and a polytetrafluoroethylene sheet, the mould is put into a 65 ℃ oven to react for 3 hours, the temperature of the oven is raised to 100 ℃ and kept for 3 hours to obtain a transparent elastic polymer, the obtained material is cleaned by absolute ethyl alcohol reflux to remove residual raw materials, and vacuum drying is carried out at 60 ℃ for 24 hours to obtain the following polymer.
Example 23: preparation of Polymer A-1
Components Component content (g)
The compound prepared in example 1 0.6000
Compound prepared in example 2 0.4000
1, 4-butanediol diacrylate 0.0350
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 24: preparation of Polymer A-2
Components Component content (g)
EXAMPLE 2 preparation ofThe compounds prepared 0.7000
Compound prepared in example 5 0.3000
1, 4-butanediol diacrylate 0.0350
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 25: preparation of Polymer A-3
Components Component content (g)
The compound prepared in example 1 0.7000
Compound prepared in example 10 0.3000
1, 4-butanediol diacrylate 0.0350
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 26: preparation of Polymer A-4
Components Component content (g)
Compound prepared in example 5 0.7000
2-Phenylethyl methacrylate 0.3000
Ethylene glycol diacrylate 0.0350
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Azodiisobutyronitrile 0.0100
Example 27: preparation of Polymer A-5
Components Component content (g)
Compound prepared in example 5 0.5000
Compound prepared in example 6 0.5000
Trimethylolpropane triacrylate 0.0500
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 28: preparation of Polymer A-6
Components Component content (g)
Compound prepared in example 5 0.6000
Compound prepared in example 14 0.4000
Trimethylolpropane triacrylate 0.0500
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 29: preparation of Polymer A-7
Components Component content (g)
Compound prepared in example 5 0.6000
Compound prepared in example 20 0.4000
Trimethylolpropane triacrylate 0.0500
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) benzenePhenol and its salts 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonate 0.0100
Example 30: preparation of Polymer A-8
Components Content of Components (g)
Compound prepared in example 6 0.4000
2-Phenylethyl acrylate 0.6000
Trimethylolpropane triacrylate 0.0500
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 31: preparation of Polymer A-9
Components Component content (g)
Compound prepared in example 6 0.3000
Compound prepared in example 13 0.7000
Trimethylolpropane triacrylate 0.0500
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 32: preparation of Polymer A-10
Components Component content (g)
Compound prepared in example 6 0.3000
The compound prepared in example 19 0.7000
Trimethylolpropane triacrylate 0.0500
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonate 0.0100
Example 33: preparation of Polymer A-11
Components Component content (g)
Compound prepared in example 7 1.0000
1, 4-butanediol diacrylate 0.0350
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 34: preparation of Polymer A-12
Components Component content (g)
Compound prepared in example 7 0.6000
2-Phenylethyl methacrylate 0.4000
Trimethylolpropane triacrylate 0.0500
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 35: preparation of Polymer A-13
Components Component content (g)
Compound prepared in example 7Article (A) 0.3500
Compound prepared in example 8 0.6500
Ethylene glycol diacrylate 0.0500
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Azodiisobutyronitrile 0.0100
Example 36: preparation of Polymer A-14
Components Component content (g)
Compound prepared in example 8 0.5000
Acrylic acid 2-phenyl ethyl ester 0.5000
Trimethylolpropane triacrylate 0.0500
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 37: preparation of Polymer A-15
Components Component content (g)
The compound prepared in example 9 0.9000
Acrylic acid 2-phenyl ethyl ester 0.1000
1, 4-butanediol diacrylate 0.0350
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0200
Example 38: preparation of Polymer A-16
Components Component content (g)
Compound prepared in example 10 0.3000
Acrylic acid 2-phenyl ethyl ester 0.7000
1, 4-butanediol diacrylate 0.0350
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonate 0.0100
Example 39: preparation of Polymer A-17
Components Component content (g)
Compound prepared in example 11 1.0000
1, 4-butanediol diacrylate 0.0350
Bis (4-tert-butylcyclohexyl) peroxydicarbonate 0.0100
Example 40: preparation of Polymer A-18
Figure BDA0001977712190000281
Figure BDA0001977712190000291
Example 41: preparation of Polymer A-19
Components Component content (g)
Compound prepared in example 12 0.2700
Acrylic acid 2-phenyl ethyl ester 0.7300
1, 4-butanediol diacrylate 0.0350
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0200
Example 42: preparation of Polymer A-20
Components Component content (g)
Compound prepared in example 13 1.000
1, 4-butanediol diacrylate 0.0350
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 43: preparation of Polymer A-21
Components Component content (g)
Compound prepared in example 13 0.7000
2-Phenylethyl methacrylate 0.3000
Trimethylolpropane triacrylate 0.0500
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 44: preparation of Polymer A-22
Components Component content (g)
Compound prepared in example 13 0.7000
Compound prepared in example 14 0.3000
Trimethylolpropane triacrylate 0.0500
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 45: preparation of Polymer A-23
Components Component content (g)
The compound prepared in example 14 0.4000
Acrylic acid 2-phenyl ethyl ester 0.6000
Trimethylolpropane triacrylate 0.0500
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 46: preparation of Polymer A-24
Components Component content (g)
Compound prepared in example 17 1.0000
1, 4-butanediol diacrylate 0.0350
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 47: preparation of Polymer A-25
Components Component content (g)
Compound prepared in example 17 0.7500
Acrylic acid 2-phenyl ethyl ester 0.2500
1, 4-butanediol diacrylate 0.0500
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0200
Example 48: preparation of Polymer A-26
Components Component content (g)
Compound prepared in example 18 0.2000
Acrylic acid 2-phenyl ethyl ester 0.8000
1, 4-butanediol diacrylate 0.0500
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0200
Example 49: preparation of Polymer A-27
Components Component content (g)
The compound prepared in example 19 1.0000
1, 4-butanediol diacrylate 0.0350
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 50: polymer A-28
Figure BDA0001977712190000301
Figure BDA0001977712190000311
Example 51: preparation of Polymer A-29
Components Component content (g)
The compound prepared in example 19 0.8000
Compound prepared in example 20 0.2000
Trimethylolpropane triacrylate 0.0500
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 52: preparation of Polymer A-30
Components Component content (g)
Compound prepared in example 20 0.4000
Acrylic acid 2-phenyl ethyl ester 0.6000
Trimethylolpropane triacrylateEsters 0.0500
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonate 0.0100
Example 53: preparation of Polymer A-31
Components Component content (g)
Compound prepared in example 21 0.3500
Acrylic acid 2-phenyl ethyl ester 0.6500
1, 4-butanediol diacrylate 0.0350
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonate 0.0100
Example 59: preparation of Polymer A-32
Components Component content (g)
The compound prepared in example 54 0.8000
Compound prepared in example 16 0.2000
1, 4-butanediol diacrylate 0.0350
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Bis (4-tert-butylcyclohexyl) peroxydicarbonates 0.0100
Example 60: preparation of Polymer A-33
Figure BDA0001977712190000312
Figure BDA0001977712190000321
Example 61: preparation of Polymer A-34
Components Component content (g)
The compound prepared in example 58 0.3500
Compound prepared in example 22 0.6500
1, 6-hexanediol diacrylate 0.0350
2- (2H-benzotriazol-2-yl) -4-methyl-6- (2-propenyl) phenol 0.0150
Azodiisobutyronitrile 0.0100
Determination of refractive index of Polymer
The refractive indices of the polymers obtained in examples 23 to 53 and 59 to 61 were measured under the following conditions: the refractive index of the material at a wavelength of 589nm was determined at 20 ℃ using an antopa DR-M2 refractometer.
The test results are shown in table 1. It can be seen from the data presented in the table that the following polymers all have high refractive indices, substantially greater than 1.53, and are well suited for use in the preparation of ophthalmic medical devices.
Table 1: refractive indices of the polymers obtained in examples 23 to 53 and 59 to 61
Figure BDA0001977712190000322
Figure BDA0001977712190000331
Determination of spectral transmittance of Polymer
The polymers obtained in examples 23 to 53 and 59 to 61 above were tested for their spectral transmittance under the following conditions: the spectral transmittance of the material in the light wave range of 200nm-800nm is tested by an Agilent Cary60 ultraviolet-visible spectrophotometer at room temperature.
The test results show that the polymers of examples 23-53 and 59-61 have maximum values of spectral transmittance higher than 80% in the visible light range. Table 2 shows the UV transmission cutoff wavelengths (wavelength corresponding to 1% UV transmittance and wavelength corresponding to 10% UV transmittance) and the spectral transmittances (maximum values) of the polymers A-1 to A-34. As can be seen from Table 2, the following polymers all have higher spectral transmittances. And the wavelength corresponding to the transmittance of 10% in an ultraviolet region is not less than 360nm, which shows that the following polymers have better ultraviolet light interception effect.
Table 2: spectral transmittances of the polymers obtained in examples 25 to 53 and 59 to 61
Figure BDA0001977712190000332
Figure BDA0001977712190000341
Determination of mechanical Properties of polymers
And (3) tensile test: the material was cut into a predetermined rectangular specimen (effective size: width 0.83300mm, thickness 0.40000mm, length 14.00000mm) with a cutter, and tested at room temperature of 26 ℃ and air humidity of 77% with an INSTRON 3367 type material tester, and the displacement rate was 500.00000 mm/min. Tests show that the following polymers have relatively good mechanical properties and are suitable for preparing artificial crystals. The following polymers have better spectral transmittance and refractive index, so that the following polymers can be conveniently used for forming the foldable artificial lens with thinness and good optical performance.
Table 3: mechanical Property test of polymers obtained in examples 23 to 53 and 59 to 61
Polymer numbering Tensile Strength (MPa) Elongation at Break (%) Modulus of elasticity (MPa)
Polymer A-1 10.04 73.32 15.8046
Polymer A-2 8.79 82.49 11.6138
Polymer A-3 8.87 68.8 17.16716
PolymerisationSubstance A-4 10.99 83.65 29.0687
Polymer A-5 6.90 76.3 12.83947
Polymer A-6 8.03 61.34 20.6429
Polymer A-7 8.61 60.38 19.37559
Polymer A-8 8.42 73.42 17.58814
Polymer A-9 5.73 54.29 10.64846
Polymer A-10 5.69 68.64 14.74738
Polymer A-12 6.50 77.88 16.71942
Polymer A-13 7.76 41.3 30.22717
Polymer A-14 5.11 74.41 11.65524
Polymer A-17 10.38 88.63 23.7015
Polymer A-18 10.76 76.08 20.11333
Polymer A-19 8.77 58.39 16.59514
Polymer A-20 7.00 81.6 19.15054
Polymer A-21 12.51 54.24 43.29495
Polymer A-22 9.72 72.71 20.57469
Polymer A-23 12.18 70.08 24.22184
Polymer A-24 9.03 95.98 14.48699
Polymer A-25 9.77 70.09 17.6174
Polymer A-26 7.75 61.93 17.47411
Polymer A-27 7.82 99.25 17.52005
Polymer A-28 7.55 73.76 18.84236
Polymer A-29 6.82 72.68 16.05403
Polymer A-30 11.27 69.94 25.10842
Polymer A-31 9.03 85.81 15.24632
Polymer A-32 7.64 83.5 12.6215
Polymer A-33 8.01 79.5 15.8156
Polymer A-34 10.45 82.14 13.2617
In the description herein, references to the description of the terms "one embodiment," "another embodiment," "an example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the example or example is included in at least one example or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Although embodiments of the present invention and examples have been shown and described above, it is understood that the above embodiments, examples are illustrative and not to be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments, examples by those of ordinary skill in the art within the scope of the present invention.

Claims (24)

1. A monomer having the structure of formula (I):
Figure FDA0003589449570000011
wherein the content of the first and second substances,
R1is hydrogen or methyl;
R2is methyl, ethyl, n-propyl, isopropyl, n-butyl or isobutyl;
n is 0, 1 or 2, R3Each independently hydrogen, fluorine, chlorine, bromine, hydroxyl, methyl, ethyl, n-propyl, isopropyl, methoxy, ethoxy, n-propoxy, isopropoxy, trifluoromethyl, trifluoromethoxy, trifluoroethyl, trifluoroethoxy, methoxymethyl, methoxyethyl, methoxypropyl, ethoxymethyl, ethoxyethyl, ethoxypropyl, phenyl, benzyl, phenethyl, phenylpropyl, phenoxy.
2. The monomer of claim 1, wherein R is1Is hydrogen or methyl; the R is2Is methyl or ethyl; the R is3Each independently hydrogen, methyl, ethyl, n-propyl, isopropyl, methoxy, ethoxy, trifluoromethyl, trifluoroethyl, trifluoromethoxy, trifluoroethoxy, methoxymethyl, methoxyethyl, methoxypropyl, phenyl, phenoxy or benzyl, and n is 0 or 1.
3. The monomer of claim 1, wherein the monomer is:
Figure FDA0003589449570000012
Figure FDA0003589449570000021
Figure FDA0003589449570000022
or
Figure FDA0003589449570000023
4. A method of preparing the monomer of any one of claims 1-2, comprising: subjecting a compound of formula (II) to a condensation reaction with a compound of formula (III) to obtain the monomer:
Figure FDA0003589449570000031
wherein n and R1、R2And R3Having the definition as set forth in any of claims 1-2.
5. The process according to claim 4, characterized in that the condensation reaction is carried out in an aprotic solvent.
6. The method according to claim 5, wherein the aprotic solvent is selected from at least one of dichloromethane, chloroform, carbon tetrachloride, 1, 2-dichloroethane, 1,1, 1-trichloroethane, chlorobenzene, dichlorobenzene, pentane, n-hexane, methylcyclohexane, 1, 1-diethoxypropane, 1, 1-dimethoxymethane, 2-dimethoxypropane, 1,2,3, 4-tetrahydronaphthalene, decahydronaphthalene, benzene, toluene, xylene, isopropylbenzene, diethyl ether, methyl tert-butyl ether, tetrahydrofuran, 1, 4-dioxane, ethylene glycol diethyl ether, ethylene glycol dibutyl ether, ethyl acetate, and butyl acetate.
7. The process according to any one of claims 4 to 6, wherein the condensation reaction is carried out in the presence of a base.
8. The process according to claim 7, wherein the base is selected from at least one of triethylamine, diisopropylethylamine, diethylamine, pyridine, N-dimethyl-pyridine, triethylenediamine, tetramethylethylenediamine, N-methylmorpholine, 1, 8-diazabicycloundecen-7-ene, sodium carbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate, cesium carbonate, sodium hydroxide, potassium hydroxide and calcium hydroxide.
9. The method according to claim 6, wherein the compound of formula (II) is obtained by a substitution reaction between a compound of formula (IV) and a compound of formula (V),
Figure FDA0003589449570000032
wherein n and R2And R3Having the definition as set forth in any one of claims 1 to 3; r is4is-Cl, -Br, -OTs or-OMs.
10. The process according to claim 9, characterized in that the substitution reaction is carried out in a protic solvent.
11. The method according to claim 10, wherein the protic solvent is selected from at least one of ethanol, isopropanol, N-butanol, N-dimethylformamide, dimethyl sulfoxide, acetone, methyl ethyl ketone, and dioxane.
12. The process according to claim 9, characterized in that the substitution reaction is carried out in the presence of an inorganic base.
13. The method of claim 12, wherein the inorganic base is selected from at least one of sodium carbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate, cesium carbonate, sodium hydroxide, potassium hydroxide, and calcium hydroxide.
14. A polymer characterized in that the monomers constituting the polymer are selected from the monomers according to any one of claims 1 to 3.
15. The polymer according to claim 14, wherein the monomers constituting the polymer are further selected from compounds having a structural formula satisfying formula (VI):
Figure FDA0003589449570000033
wherein the content of the first and second substances,
R5is H or methyl;
L1is a bond or C1-6An alkylene group;
ar is optionally substituted phenyl.
16. The polymer of claim 14 or 15, wherein the monomers comprising the polymer are further selected from at least one of a crosslinker, an initiator, and an ultraviolet absorber.
17. The polymer of claim 16, wherein the cross-linking agent is selected from at least one of ethylene glycol dimethacrylate, diethylene glycol dimethacrylate, polyethylene glycol dimethacrylate, 1, 3-propanediol dimethacrylate, 1, 6-hexanediol dimethacrylate, 1, 3-butanediol dimethacrylate, 1, 4-butanediol diacrylate, trimethylolpropane trimethacrylate, 1, 5-bis (methacryloyloxy) -2,2,3,3,4, 4-hexafluorohexane, 1, 6-bis (acryloyloxy) -2,2,3,3,4,4,5, 5-octafluorohexane, and pentaerythritol tetraacrylate.
18. The polymer of claim 16, wherein the initiator is selected from at least one of benzoyl peroxide, t-butyl hydroperoxide, cumyl hydroperoxide, bis (4-t-butylcyclohexyl) peroxydicarbonate, azobisisobutyronitrile, and azobis (2, 4-dimethylvaleronitrile).
19. The polymer of claim 16, wherein the uv absorber is selected from at least one of a copolymerizable benzotriazole-based compound and a copolymerizable benzophenone-based compound.
20. The polymer of claim 16, wherein the cross-linking agent is present in an amount of 2 to 7 wt.%, based on the total weight of monomers used to synthesize the polymer;
based on the total weight of monomers used for synthesizing the polymer, the amount of the initiator is 0.1-5 wt%; and
the amount of the ultraviolet absorber is 1-2 wt% based on the total weight of monomers used to synthesize the polymer.
21. Use of a polymer according to any one of claims 14 to 20 in the manufacture of an ophthalmic medical device.
22. The use of claim 21 wherein the ocular medical device is an intraocular lens, contact lens, corneal modifier, intracorneal lens, corneal inlay, corneal ring, or glaucoma filtering device.
23. A process for preparing a polymer as claimed in any of claims 14 to 20,
subjecting the raw mixture to a gradient heating treatment so as to obtain said polymer,
wherein the raw material mixture contains at least one monomer according to any one of claims 1 to 3, and optionally at least one selected from the group consisting of a compound represented by formula (VI), a crosslinking agent, an initiator, and an ultraviolet absorber.
24. The method of claim 23, wherein the gradient heat treatment comprises:
a first reaction stage, wherein the temperature of the first reaction stage is 40-70 ℃, and the reaction time is 1-24 hours; and
and in the second reaction stage, the temperature of the second reaction stage is 80-120 ℃, and the reaction time is 1-24 hours.
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