CN109970563A - A kind of fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- and the preparation method and application thereof - Google Patents

A kind of fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- and the preparation method and application thereof Download PDF

Info

Publication number
CN109970563A
CN109970563A CN201910382823.8A CN201910382823A CN109970563A CN 109970563 A CN109970563 A CN 109970563A CN 201910382823 A CN201910382823 A CN 201910382823A CN 109970563 A CN109970563 A CN 109970563A
Authority
CN
China
Prior art keywords
fluoroolefins
fluoro
acrylic acid
acid methyl
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910382823.8A
Other languages
Chinese (zh)
Inventor
朱川
冯超
张玉峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Tech University
Original Assignee
Nanjing Tech University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Tech University filed Critical Nanjing Tech University
Priority to CN201910382823.8A priority Critical patent/CN109970563A/en
Publication of CN109970563A publication Critical patent/CN109970563A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00Drugs for disorders of the metabolism
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00Drugs for immunological or allergic disorders
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C233/00Carboxylic acid amides
    • C07C233/01Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C233/45Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups
    • C07C233/53Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by a carbon atom of a six-membered aromatic ring
    • C07C233/54Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by a carbon atom of a six-membered aromatic ring having the carbon atom of the carboxamide group bound to a hydrogen atom or to a carbon atom of a saturated carbon skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00Carboxylic acid nitriles
    • C07C255/49Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C255/57Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing cyano groups and carboxyl groups, other than cyano groups, bound to the carbon skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/62Halogen-containing esters
    • C07C69/65Halogen-containing esters of unsaturated acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/76Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
    • C07C69/94Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring of polycyclic hydroxy carboxylic acids, the hydroxy groups and the carboxyl groups of which are bound to carbon atoms of six-membered aromatic rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D211/00Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/06Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
    • C07D211/08Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms
    • C07D211/18Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D211/34Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D263/00Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
    • C07D263/52Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems
    • C07D263/54Benzoxazoles; Hydrogenated benzoxazoles
    • C07D263/56Benzoxazoles; Hydrogenated benzoxazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/04Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D307/10Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D307/16Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D333/00Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/50Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D333/52Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes
    • C07D333/54Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
    • C07D333/60Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00Systems containing only non-condensed rings
    • C07C2601/12Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14The ring being saturated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Obesity (AREA)
  • Hematology (AREA)
  • Diabetes (AREA)
  • Immunology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention discloses fluoro- 3- aromatic substituted acrylic acid methyl compounds of a kind of 2- and the preparation method and application thereof.The present invention passes through under carbon dioxide gas atmosphere, two fluoroolefins, photochemical catalyst, palladium catalyst, phosphorus ligand, alkali, reducing agent are added sequentially in solvent, obtain mixture, under carbon dioxide gas atmosphere, mixture is reacted into 48~96h under room temperature, blue light, the esterification that carboxyl is carried out to mixture, collects out the fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- from reaction product.The compound can be used as the inhibitor of DPP IV.Raw material needed for the present invention are simple and easy to get, substrate spectrum is wide, and at low cost, reaction condition is mild, and required catalytic amount is few, also eliminate the need cumbersome pre- function dough step.

Description

A kind of fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- and the preparation method and application thereof
Technical field
The invention belongs to organic chemical synthesis technical field more particularly to a kind of fluoro- 3- aromatic substituted acrylic acid methyl esters chemical combination of 2- Object and the preparation method and application thereof.
Background technique
Fluorochemical has a wide range of applications in the synthesis of natural products and drug.In recent decades, fluorine-containing chemical combination Object is especially the synthesis of fluorine-containing carboxylic acid compound by the extensive concern of scientists and has made great progress, but still There is complex steps, the disadvantages of raw material is not easy to obtain, and obtained based on the carboxylation reaction that the compound with fluoro-containing group carries out The product structure arrived is also relatively simple.The reactive intermediate generated using multi-fluorinated compounds cheap and easy to get through carbon-fluorine bond fracture is straight One kind can be provided more for the synthesis of fluorine-containing carboxylic acid compound by connecing the strategy for carrying out carboxylated with carbon dioxide gas precursor reactant Direct and inexpensive approach.But due to the universal bond energy with higher of carbon-fluorine bond, it is broken that carry out carboxylated anti-by carbon-fluorine bond Should it not developed well.Transition metal-catalyzed halogen (class halogen) is for hydrocarbon (including iodine, bromine, chlorine, triflate at present Deng) although relatively common by carbon-halogen bond fracture and carbon dioxide reaction progress carboxylated, but similar method is but difficult to answer For the carboxylated of carbon-fluorine bond, reason is that oxidation addition of the carbon-fluorine bond for transition-metal catalyst is difficult to carry out.
Grew up in recent years utilization can with light-exposed redox catalysis promote carbon-fluorine bond cleavage strategy can be effective Realization multi-fluorinated compounds defluorinate functionalization.As document 1 (J.Xie, J.Yu, M.Rudolph, F.Rominger, AndA.S.K.Hashmi, Angew.Chem.Int.Ed.2016,55,9416-9421) disclosed in method in, in illumination condition The carbon-fluorine bond fracture of lower two fluoroolefins, forms alkenyl carbon radicals, and coupling directly occurs with the carbon radicals in system and obtains Obtain the amine-methylated product of defluorinate.
Simultaneously, it is seen that light promote also have certain research within carboxylation reaction nearly 2 years, as document 2 (K.Shimomaki, K.Murata, R.Martin, and N.Iwasawa, J.Am.Chem.Soc.2018,140,17338-17342) disclosed in side In method, the strategy of use be using visible light redox catalysis mediate reduction system promote palladium chtalyst aryl halide (bromine, Chlorine) for the carboxylation reaction of hydrocarbon, and then aryl carboxylic acid product.
In view of the multifunctionality of exploitation visible light redox catalysis, using in conjunction with photocatalysis and transition metal-catalyzed side Method develops efficient multi-fluorinated compounds carbon-fluorine bond carboxylation reaction for carbon dioxide conversion and the preparation containing carboxylic acid fluoride all has It is significant.
Summary of the invention
The purpose of the present invention is to provide fluoro- 3- aromatic substituted acrylic acid methyl compound of a kind of 2- and preparation method thereof, this hairs The raw material of bright use are simple and easy to get, substrate spectrum is wide, at low cost, and reaction condition is mild, using minimal amount of catalyst, Also eliminate the need cumbersome pre- function dough step.
The invention is realized in this way a kind of fluoro- 3- aromatic substituted acrylic acid methyl compound of 2-, the chemical structure of the compound Formula is as follows:
In above formula, R1For 4- xenyl, 4- (4- methoxyl biphenyl) base, 4- (4- trifluoromethoxy biphenyl) base, 4- naphthalene nucleus Base phenyl, 4- pyrazole phenyl, 1- naphthalene nucleus, 2- naphthalene nucleus, 3- dibenzofurans, 1- benzothiophene, 6- (N-Boc benzoxazoles), 3, 5- difluorophenyl, 4- trifluoromethylbenzene, 4- (N, N- diethylformamide base) benzene, 4- methylsulfonyl phenyl, the tertiary fourth carbomethoxy benzene of 3- Base, 3- trifluoromethyl, 3- cyano-phenyl or 2- trifluoromethyl;
R2For methyl, n-pentyl, 2- methyl 2- cyclobutenyl, cyclohexylmethylene, 3- oxinane ofmcthylene-based or 3- (N- Boc piperidines) methylene.
The present invention further discloses the preparation method of the fluoro- 3- aromatic substituted acrylic acid methyl compound of above-mentioned 2-, this method packets Include following steps:
(1) under carbon dioxide gas atmosphere, by two fluoroolefins, photochemical catalyst, palladium catalyst, phosphorus ligand (or without matching Body), alkali, reducing agent be added sequentially in solvent, obtain mixture;Wherein, two fluoroolefins, photochemical catalyst, palladium catalyst, Phosphorus ligand (or without ligand), alkali, reducing agent molar ratio be 0.1mmol:1%mol:5%mol:20%mol:0.3mmol: 0.3mmol;
(2) under carbon dioxide gas atmosphere, mixture obtained in step (1) reacts to 48 under room temperature, blue light~ 96h carries out the esterification of carboxyl to mixture, the fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- is collected out from reaction product.
Preferably, in step (1), two fluoroolefins be in monosubstituted two fluoroolefins and disubstituted two fluoroolefins extremely Few one kind;Wherein,
Monosubstituted two fluoroolefins includes two fluoroolefins of 4- xenyl, two fluoroolefins of 4- (4- methoxyl biphenyl) base, 4- Two fluoroolefins of (4- trifluoromethoxy biphenyl) base, two fluoroolefins of 4- naphthalene nucleus base phenyl, two fluoroolefins of 4- pyrazole phenyl, 1- naphthalene nucleus two (N-Boc benzo is disliked by fluoroolefins, two fluoroolefins of 2- naphthalene nucleus, two fluoroolefins of 3- dibenzofurans, two fluoroolefins of 1- benzothiophene, 6- Azoles) two fluoroolefins, two fluoroolefins of 3,5- difluorophenyl, two fluoroolefins of 4- trifluoromethyl, 4- (N, N- diethylformamide Base) two fluoroolefins of phenyl, two fluoroolefins of 4- methylsulfonyl phenyl, tertiary two fluoroolefins of fourth carbomethoxyphenyl of 3-, 3- trifluoromethyl Two fluoroolefins of two fluoroolefins, two fluoroolefins of 3- cyano-phenyl and 2- trifluoromethyl;
Disubstituted two fluoroolefins includes two fluoroolefins of 2- naphthalene nucleus base 2- methyl, 2- naphthalene nucleus base -2- n-pentyl difluoro alkene Hydrocarbon, 2- naphthalene nucleus base -2- (2- methyl 2- cyclobutenyl) two fluoroolefins, two fluoroolefins of 2- naphthalene nucleus base -2- cyclohexylmethylene, 2- naphthalene nucleus Base -2- (3- oxinane methylene) two fluoroolefins and 2- naphthalene nucleus base -2- [3- (N-Boc piperidines) methylene] two fluoroolefins.
Preferably, in step (1), the photochemical catalyst is Ir [dF (CF3)ppy]2(dtbpy)(PF6)。
Preferably, in step (1), the palladium catalyst is palladium chloride.
Preferably, in step (1), the phosphorus ligand is triphenylphosphine.
Preferably, in step (1), the alkali is cesium carbonate.
Preferably, in step (1), the reducing agent is n,N-diisopropylethylamine.
Preferably, in step (1), the solvent is n,N-dimethylacetamide.
The present invention further discloses the fluoro- 3- aromatic substituted acrylic acid methyl compounds of above-mentioned 2- to press down as DPP IV Effect in terms of preparation.The fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- of the present invention plays extremely important in biology and medicine Role, for example, DPP IV (DPP IV, EC3.4.14.5, CD26) be one kind in cell surface and epicyte knot The serine protease of conjunction, the effect after degradation and translation that DPP IV passes through peptide in metabolism and regulation is increasingly by weight Depending on.It is potentially controlled because it is found that DPP IV is inhibited to have in terms of adjusting the synthesis of glucagon-like peptide and inhibiting immune response Treatment effect, thus it is urgently to be resolved to the exploration of the mortifier of DPP IV.(Z) the double bond conformational energy of single fluoroolefins isomers is effectively The proline key in trans- P2 original dipeptides is simulated, the inactivation rate of DPP IV can be made to significantly improve, therefore, the fluoro- 3- of 2- of the present invention Single fluoroolefins structure in aromatic substituted acrylic acid methyl compound is exactly effective inhibitor of DPP IV.
Compared with the prior art the shortcomings that and deficiency, the invention has the following advantages:
(1) present invention has carried out abundantization to the functional group of substrate, to obtain more fluorine-containing carboxylic acid compounds;
(2) present invention using two fluoroolefins as reaction substrate, using light-catalysed mode be broken carbon-fluorine bond formed it is unstable Alkenyl radical, then it is captured by palladium, rare monovalence palladium intermediate is obtained, since it is with very strong nucleophilic energy Power, so, the present invention can be such that carbon-fluorine bond is broken in the form of free radical very mild mode (illumination), and at a low price Metal captures and its unstable alkenyl carbon radicals carry out nucleophilic attack to inert electrophilic reagent carbon dioxide in turn and obtain Fluorine-containing carboxylated product, compared in the past using equivalent heavy metal as the reaction of reducing agent for, the condition of this synthetic method is more For mild environmental protection, substrate is more abundant extensive, and product plays very important effect in medicine synthesis;
(3) raw material needed for the present invention are simple and easy to get, substrate spectrum is wide, and at low cost, reaction condition is mild, required catalyst Amount is few, also eliminates the need cumbersome pre- function dough step.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to Limit the present invention.
Embodiment 1
(1) under carbon dioxide gas atmosphere, by two fluoroolefins of 0.1mmol4- xenyl, 1%mol photochemical catalyst Ir [dF (CF3)ppy]2(dtbpy)(PF6), 5%mol palladium catalyst palladium chloride, 20%mol phosphorus ligand triphenylphosphine, 0.3mmol carbonic acid Caesium, 0.3mmol reducing agent n,N-diisopropylethylamine are added sequentially in solvent n,N-dimethylacetamide, obtain mixture;
(2) under carbon dioxide gas atmosphere, mixture obtained in step (1) reacts to 48 under room temperature, blue light~ 96h carries out the esterification of carboxyl to mixture, the fluoro- 3- aromatic substituted acrylic acid methyl compound 1 of 2- is collected out from reaction product.
Embodiment 2
(1) under carbon dioxide gas atmosphere, by two fluoroolefins of 0.1mmol4- (4- methoxyl biphenyl) base, 1%mol light Catalyst Ir [dF (CF3)ppy]2(dtbpy)(PF6), 5%mol palladium catalyst palladium chloride, 20%mol phosphorus ligand triphenylphosphine, 0.3mmol cesium carbonate, 0.3mmol reducing agent n,N-diisopropylethylamine are added sequentially in solvent n,N-dimethylacetamide, Obtain mixture;
(2) under carbon dioxide gas atmosphere, mixture obtained in step (1) reacts to 48 under room temperature, blue light~ 96h carries out the esterification of carboxyl to mixture, the fluoro- 3- aromatic substituted acrylic acid methyl compound 2 of 2- is collected out from reaction product.
Embodiment 3
(1) under carbon dioxide gas atmosphere, by two fluoroolefins of 0.1mmol4- (4- trifluoromethoxy biphenyl) base, 1% Mol photochemical catalyst Ir [dF (CF3)ppy]2(dtbpy)(PF6), 5%mol palladium catalyst palladium chloride, 20%mol phosphorus ligand triphen Base phosphine, 0.3mmol cesium carbonate, 0.3mmol reducing agent N, N- diisopropylethylamine are added sequentially to solvent N, N- dimethylacetamide In amine, mixture is obtained;
(2) under carbon dioxide gas atmosphere, mixture obtained in step (1) reacts to 48 under room temperature, blue light~ 96h carries out the esterification of carboxyl to mixture, the fluoro- 3- aromatic substituted acrylic acid methyl compound 3 of 2- is collected out from reaction product.
Embodiment 4~20
Embodiment 4~20 is same as Example 3, the difference is that:
1 embodiment 4~20 of table
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (10)

1. a kind of fluoro- 3- aromatic substituted acrylic acid methyl compound of 2-, which is characterized in that the following institute of the chemical structural formula of the compound Show:
In above formula, R1For 4- xenyl, 4- (4- methoxyl biphenyl) base, 4- (4- trifluoromethoxy biphenyl) base, 4- naphthalene nucleus base benzene Base, 4- pyrazole phenyl, 1- naphthalene nucleus, 2- naphthalene nucleus, 3- dibenzofurans, 1- benzothiophene, 6- (N-Boc benzoxazoles), 3,5- bis- Fluorophenyl, 4- trifluoromethylbenzene, 4- (N, N- diethylformamide base) benzene, 4- methylsulfonyl phenyl, the tertiary fourth carbomethoxyphenyl of 3-, 3- Trifluoromethyl, 3- cyano-phenyl or 2- trifluoromethyl;
R2For methyl, n-pentyl, 2- methyl 2- cyclobutenyl, cyclohexylmethylene, 3- oxinane ofmcthylene-based or 3- (N-Boc piperazine Pyridine) methylene.
2. the preparation method of the fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- described in claim 1, which is characterized in that this method The following steps are included:
(1) under carbon dioxide gas atmosphere, successively by two fluoroolefins, photochemical catalyst, palladium catalyst, phosphorus ligand, alkali, reducing agent It is added in solvent, obtains mixture;Wherein, two fluoroolefins, photochemical catalyst, palladium catalyst, phosphorus ligand, alkali, reducing agent Molar ratio be 0.1mmol:1%mol:5%mol:20%mol:0.3mmol:0.3mmol;
(2) under carbon dioxide gas atmosphere, mixture obtained in step (1) is reacted into 48~96h under room temperature, blue light, The esterification that carboxyl is carried out to mixture, collects out the fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- from reaction product.
3. the preparation method of the fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- as claimed in claim 2, which is characterized in that in step Suddenly in (1), two fluoroolefins is at least one of monosubstituted two fluoroolefins and disubstituted two fluoroolefins;Wherein,
Monosubstituted two fluoroolefins includes two fluoroolefins of 4- xenyl, two fluoroolefins of 4- (4- methoxyl biphenyl) base, 4- (4- tri- Fluorine methoxyl group biphenyl) two fluoroolefins of base, two fluoroolefins of 4- naphthalene nucleus base phenyl, two fluoroolefins of 4- pyrazole phenyl, 1- naphthalene nucleus difluoro alkene Hydrocarbon, two fluoroolefins of 2- naphthalene nucleus, two fluoroolefins of 3- dibenzofurans, two fluoroolefins of 1- benzothiophene, 6- (N-Boc benzoxazoles) two Fluoroolefins, two fluoroolefins of 3,5- difluorophenyl, two fluoroolefins of 4- trifluoromethyl, 4- (N, N- diethylformamide base) phenyl Two fluoroolefins, two fluoroolefins of 4- methylsulfonyl phenyl, tertiary two fluoroolefins of fourth carbomethoxyphenyl of 3-, 3- trifluoromethyl difluoro alkene Two fluoroolefins of hydrocarbon, two fluoroolefins of 3- cyano-phenyl and 2- trifluoromethyl;
Disubstituted two fluoroolefins includes two fluoroolefins of 2- naphthalene nucleus base 2- methyl, two fluoroolefins of 2- naphthalene nucleus base -2- n-pentyl, 2- Naphthalene nucleus base -2- (2- methyl 2- cyclobutenyl) two fluoroolefins, two fluoroolefins of 2- naphthalene nucleus base -2- cyclohexylmethylene, 2- naphthalene nucleus base -2- (3- oxinane methylene) two fluoroolefins and 2- naphthalene nucleus base -2- [3- (N-Boc piperidines) methylene] two fluoroolefins.
4. the preparation method of the fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- as claimed in claim 2, which is characterized in that in step Suddenly in (1), the photochemical catalyst is Ir [dF (CF3)ppy]2(dtbpy)(PF6)。
5. the preparation method of the fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- as claimed in claim 2, which is characterized in that in step Suddenly in (1), the palladium catalyst is palladium chloride.
6. the preparation method of the fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- as claimed in claim 2, which is characterized in that in step Suddenly in (1), the phosphorus ligand is triphenylphosphine.
7. the preparation method of the fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- as claimed in claim 2, which is characterized in that in step Suddenly in (1), the alkali is cesium carbonate.
8. the preparation method of the fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- as claimed in claim 2, which is characterized in that in step Suddenly in (1), the reducing agent is n,N-diisopropylethylamine.
9. the preparation method of the fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- as claimed in claim 2, which is characterized in that in step Suddenly in (1), the solvent is n,N-dimethylacetamide.
10. the fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- described in claim 1 is in terms of as inhibitors of dipeptidyl IV Effect.
CN201910382823.8A 2019-05-09 2019-05-09 A kind of fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- and the preparation method and application thereof Pending CN109970563A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910382823.8A CN109970563A (en) 2019-05-09 2019-05-09 A kind of fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- and the preparation method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910382823.8A CN109970563A (en) 2019-05-09 2019-05-09 A kind of fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- and the preparation method and application thereof

Publications (1)

Publication Number Publication Date
CN109970563A true CN109970563A (en) 2019-07-05

Family

ID=67073156

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910382823.8A Pending CN109970563A (en) 2019-05-09 2019-05-09 A kind of fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- and the preparation method and application thereof

Country Status (1)

Country Link
CN (1) CN109970563A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112079678A (en) * 2020-07-30 2020-12-15 四川大学 Method for constructing carboxylic acid or alcohol by olefin remote functionalization
CN113773167A (en) * 2021-09-10 2021-12-10 滁州学院 Synthesis method of monofluoroolefin

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103910628A (en) * 2012-12-28 2014-07-09 大金工业株式会社 Method For Manufacturing Alpha-fluoroacrylates

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103910628A (en) * 2012-12-28 2014-07-09 大金工业株式会社 Method For Manufacturing Alpha-fluoroacrylates

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
CHUAN ZHU,ET AL.,: ""Selective C-F bond carboxylation of gemdifluoroalkenes with CO 2 by photoredox/palladium dual catalysis"", 《CHEMICAL. SCIIENCE》 *
JIN XIE,ET AL.,: ""Monofluoroalkenylation of Dimethylamino Compounds through Radical–Radical Cross-Coupling"", 《ANGEWANDTE CHEMIE INTERNATIONAL EDITION》 *
KATSUYA SHIMOMAKI,ET AL.,: ""Visible-Light-Driven Carboxylation of Aryl Halides by the Combined Use of Palladium and Photoredox Catalysts"", 《JOURNAL OF THE AMERICAN CHEMICAL SOCIETY》 *
SI-SHUN YAN,ET AL.,: ""Copper-Catalyzed Carboxylation of C-F Bonds with CO2"", 《ACS CATALYSIS》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112079678A (en) * 2020-07-30 2020-12-15 四川大学 Method for constructing carboxylic acid or alcohol by olefin remote functionalization
CN112079678B (en) * 2020-07-30 2021-12-21 四川大学 Method for constructing carboxylic acid or alcohol by olefin remote functionalization
CN113773167A (en) * 2021-09-10 2021-12-10 滁州学院 Synthesis method of monofluoroolefin
CN113773167B (en) * 2021-09-10 2024-02-20 滁州学院 Synthetic method of monofluoroolefin

Similar Documents

Publication Publication Date Title
He et al. Pd-catalyzed oxidative cross-coupling of perfluoroarenes with aromatic heterocycles
Fu et al. Iodine‐Mediated Sulfonylation of Quinoline N‐Oxides: a Mild and Metal‐Free One‐Pot Synthesis of 2‐Sulfonyl Quinolines
CN109970563A (en) A kind of fluoro- 3- aromatic substituted acrylic acid methyl compound of 2- and the preparation method and application thereof
Jiang et al. Copper-mediated oxidative difluoromethylenation of aryl boronic acids with α-silyldifluoromethylphosphonates: a new method for aryldifluorophosphonates
Petrik et al. Radical trifluoromethylation of ammonium enolates
CN104844399B (en) A kind of method synthesizing 2-fluorophenol compound
CN110028403A (en) A kind of method of synthesizing succinic acid class compound
Cheng et al. Visible-light-enabled ruthenium-catalyzed para-C− H difluoroalkylation of anilides
BRPI0507422A (en) process for production of 2,5-dimethylphenylacetic acid
Sumii et al. Ortho-lithiation reaction of aryl triflones
Zu et al. Copper (II)-catalyzed direct amination of 1-naphthylamines at the C8 site
Wang et al. Direct C (sp3)− H Sulfonylation and Sulfuration Reactions of Isoquinoline‐1, 3 (2H, 4H)‐diones under Metal‐free Conditions
CN105330600A (en) Preparation method for Regorafenib hydrate
Huang et al. CuI‐catalyzed direct synthesis of diaryl thioethers from aryl boronic acids and arylsulfonyl chlorides
Guo et al. Direct C− H Difluoroalkylation of Heteroarenes with Difluoroalkyl Carboxylic Acids
CN1671665A (en) Process for producing 5-(2 -pyridyl)-2-pyridone derivative
Hobart Jr et al. Synthesis, Structure, and Catalytic Reactivity of Pd (II) Complexes of Proline and Proline Homologs
Fang et al. An efficient and straightforward route to terminal vinyl sulfones via palladium-catalyzed Suzuki reactions of α-bromo ethenylsulfones
Zhou et al. Air Oxidative Radical Oxysulfurization of Alkynes Leading to α-Thioaldehydes
CN103694153B (en) The method of styracin and arylsulfinate Reactive Synthesis alkenyl sulfone compound
CN107573369A (en) A kind of preparation method of boron alkyl acid esters
CN107814751A (en) A kind of method that catalysis oxidation amine prepares nitrile
CN105130725B (en) A kind of method for preparing γ -one carbonyl complexs
Nikitin et al. Diels–Alder reactions of 9-Ferrocenyl-and 9, 10-Diferrocenylanthracene: steric control of 9, 10-versus 1, 4-cycloaddition
Zhao et al. Exploring the pivotal role of silver (I) additives in palladium-catalyzed NH2-directed C (sp3)–H arylation reactions

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190705

RJ01 Rejection of invention patent application after publication