CN106831414A - The method of the adjacent alkenyl phenol derivatives of synthesis - Google Patents
The method of the adjacent alkenyl phenol derivatives of synthesis Download PDFInfo
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- CN106831414A CN106831414A CN201710055027.4A CN201710055027A CN106831414A CN 106831414 A CN106831414 A CN 106831414A CN 201710055027 A CN201710055027 A CN 201710055027A CN 106831414 A CN106831414 A CN 106831414A
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/12—Preparation of carboxylic acid amides by reactions not involving the formation of carboxamide groups
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C315/00—Preparation of sulfones; Preparation of sulfoxides
- C07C315/04—Preparation of sulfones; Preparation of sulfoxides by reactions not involving the formation of sulfone or sulfoxide groups
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
- C07D213/64—One oxygen atom attached in position 2 or 6
- C07D213/643—2-Phenoxypyridines; Derivatives thereof
Abstract
The invention discloses a kind of method for synthesizing adjacent alkenyl phenol derivatives, the synthetic method by Liv Ullmann C O coupling reactions, Olefination reaction, slough pyridine groups reaction and obtain adjacent alkenyl phenol derivatives.The method of the adjacent alkenyl phenol derivatives of synthesis of the present invention is by selecting different R1Group, obtains different phenol derivatives, you can obtain different types of adjacent alkenyl phenol derivatives.By cheap and easily-available phenol derivative raw material, the range of choice of raw material is expanded, and save cost.The product that the method for the present invention is obtained has abundant functional group, and reactable is strong.Work as R2When group selects specific group, o-hydroxy cinnamic acid derivative can also be obtained by further hydrolysis.Meanwhile, reactions steps of the present invention are simple, and reaction condition is gentle, it is to avoid use hazardous agents, easily operation, with very strong practicality.
Description
Technical field
The present invention relates to organic synthesis field, more particularly to a kind of method for synthesizing adjacent alkenyl phenol derivatives.
Background technology
Phenol derivatives is that a class has the compound of special hydroxyl, and is that many has the natural of important biomolecule activity
The core texture of product and drug molecule.For example, all structures with phenol such as picric acid, salicylic acid, phenolphthalein.Phenol derivatives
As a kind of Organic Chemicals, the chemical products such as novolak resin, bisphenol-A, lactams and intermediate are can be used to.In system
The fields such as standby synthetic fibers, plastics, synthetic rubber, agricultural chemicals, spices, dyestuff play an important role.Importantly, absolutely mostly
Number phenolic compound has special odor and certain toxicity, can be used for producing bactericide and preservative;Can in terms of medical treatment
For surgical instruments and the excreta treatment of sterilizing.
Using the activity of phenolic hydroxyl group, can be reacted in hydroxyl institute by halo, oxidation, alkylation, acylation, carboxylated etc.
Phenyl ring introduce a variety of substitution bases, to obtain various structures, the phenol derivatives that functional group is abundant.But synthesis
The method of the special phenol derivatives with ortho position alkenyl group is fewer on phenyl ring.General utilization replaces water in the prior art
Poplar aldehyde and phosphorus ylide carry out witting reactions, and alkenyl structures are introduced to the phenolic hydroxyl group ortho position of phenol derivatives.But, the party
Method need to use substituted salicylic aldehydes as raw material, it is necessary to first to introducing substituted radical on salicylide, and reaction is complicated and to a certain degree
On limit the diversity of product structure;And the dangerous reagent n-butyllithium of tool is used in course of reaction.At present, do not have
One safe and simple method obtains the phenol compound that there is adjacent alkenyl to replace structure.
The content of the invention
In order to solve problem of the prior art, goal of the invention of the invention is to provide a kind of adjacent alkenyl phenol derivatives of synthesis
Method, the method is safe and simple, and the compound structure that can synthesize enriches.
The technical scheme is as follows:
A kind of method for synthesizing adjacent alkenyl phenol derivatives, its step includes:
S1. the compound by structure as shown in formula (1) and compound of the structure as shown in formula (2) are in rhodium catalyst
Under, mix with copper acetate, silver hexafluoroantimonate, 70~90 DEG C are heated in the second solvent carries out Olefination reaction, obtains structure
Compound as shown in formula (3):
S2. the compound by structure as shown in formula (3) sloughs pyridine groups and obtains adjacent alkenyl benzene of the structure as shown in formula (4)
Amphyl:
Wherein, R1Alkyl, halogenated methyl, the alkoxy of C1-C4 selected from C1-C4, dimethylamino, lignocaine, C1-C4
Alkoxy carbonyl group, cyano group, halogen.
R2Alkoxy carbonyl group, diformamide base selected from C1-C4, benzenesulfonyl.
Preferably, R1Selected from methyl, methoxyl group, dimethylamino, trifluoromethyl, methoxycarbonyl group, cyano group, fluorine, chlorine, bromine, more
Preferred R1It is trifluoromethyl, methoxycarbonyl group, dimethylamino, cyano group, fluorine.
The present invention controls the ortho position of position phenolic hydroxyl group on phenyl ring of oxyalkylene alkylation reaction using pyridine as homing device
Carry out, therefore first pass through compound of the Liv Ullmann C-O coupling reactions composite structure as shown in formula (1).
The specific steps of compound of the above-mentioned composite structure as shown in formula (1), those skilled in the art may be referred to document
(Yao,Jinzhong,Feng,Ruokun,Wu,Zaihong,Liu,Zhanxiang,Zhang,Yuhong,
Adv.Syn.Catal., 2013,355,1517-1522.), it is also possible to select change of the other modes composite structure as shown in formula (1)
Compound.Preferably, compound of the structure as shown in formula (1) is that compound by 2- bromopyridines, structure as shown in formula (5) carries out crow
Germania C-O coupling reactions are obtained;
It is furthermore preferred that the Liv Ullmann C-O coupling reactions are under CuI, potassium phosphate, the catalytic action of pyridine carboxylic acid,
In first solvent, 80~100 DEG C are reacted what is obtained.
First solvent is preferably DMSO (dimethyl sulfoxide (DMSO)).Compound as shown in formula (5) of 2- bromopyridines, structure,
CuI, potassium phosphate, the mol ratio of pyridine carboxylic acid are 5:(5.5~10):(0.5~2):(7.5~12.5):(0.5~2.5), it is more excellent
Elect 5 as:6:0.5:10:1.Reaction at 90 DEG C, with TLC (thin-layer chromatography chromatography) monitor reaction to completely after, reaction terminates
A point liquid extraction is carried out with water and EA (ethyl acetate) afterwards, then organic phase washing (preferably using saturated common salt water washing), drying is (excellent
Dried from anhydrous magnesium sulfate) after, carry out purifying the compound for obtaining structure as shown in formula (1) with silica gel column chromatography, purify
Condition can be determined by experiment by those skilled in the art, and currently preferred mobile phase volume is than V (petroleum ether):V (acetic acid
Ethyl ester)=8:1.
Preferably, the rhodium catalyst is preferably [RhCp*Cl2]2.Second solvent is preferably DMF (N, N- dimethyl formyls
Amine).Compound of the structure as shown in formula (1) is preferably 1 with the mol ratio of compound of the structure as shown in formula (2):(1.2~2),
More preferably 1:1.5.The material on the basis of compound of the structure as shown in formula (1), the molar percentage of rhodium catalyst is
5mol%, the molar percentage of copper acetate is 20mol%, and the molar percentage of silver hexafluoroantimonate is 20mol%.Under this condition
The Olefination reaction for carrying out, yield can reach more than 90%, and the oxyalkylene hydrocarbonylation group for introducing is in the neighbour of phenolic hydroxyl group
Position, simultaneous reactions temperature is relatively low, and reaction is gentle, it is not easy to influence trifluoromethyl, methoxycarbonyl group, dimethylamino, the cyanogen on phenyl ring
The sensitive groups such as base, fluorine.Reaction can be carried out under nitrogen protection, it is also possible to be carried out in atmosphere, and reaction condition is loose easily real
It is existing.Reaction obtains compound of the structure as shown in formula (3) after terminating with silica gel column chromatography separating purification, and purification condition can be by this
Art personnel be determined by experiment, and currently preferred mobile phase volume is than V (petroleum ether):V (ethyl acetate)=(1~
5):1。
Preferably, it is in the step S2, compound of the structure as shown in formula (3) is molten the 3rd with Methyl triflate
In agent, after 1~3h of heating response at 100~120 DEG C, again by product in the 4th solvent after removing solvent, gold is added
Belong to the alcoholic solution of sodium, continue that pyridine groups can be sloughed after 0.5~1h of heating response at 100~120 DEG C, obtain structure such as formula
(4) the adjacent alkenyl phenol derivatives shown in.
The 3rd solvent in the step step S2 is preferably toluene, compound and fluoroform of the structure as shown in formula (3)
The mol ratio of methylmesylate, preferably 1:(1~3), more preferably 1:2.It is excellent after 1~3h of heating response at 100~120 DEG C
Elect as and 2h is reacted at 100 DEG C, then remove toluene and obtain solid, then by solid dissolving in the 4th solvent of such as ethanol,
The ethanol solution of metallic sodium is slowly added dropwise, continues to be reacted 30 minutes at 100 DEG C.Compound of the structure as shown in formula (3) and gold
The mol ratio for belonging to sodium is preferably 1:20.Reaction carries out a point liquid extraction with water and EA after terminating, then organic phase is dried (preferably with nothing
Aqueous sodium persulfate is dried) after, carry out purifying the adjacent alkenyl phenol derivatives for obtaining structure as shown in formula (4) with silica gel column chromatography.
Purification condition can be determined by experiment by those skilled in the art, and currently preferred mobile phase volume is than V (petroleum ether):V
(ethyl acetate)=(5~8):1.
A kind of method it is a further object to provide Olefination reaction is carried out on phenyl ring:By structure such as formula (1)
Shown compound under rhodium catalyst, is mixed with compound of the structure as shown in formula (2) with copper acetate, silver hexafluoroantimonate
Close, 70~90 DEG C are heated in the second solvent carries out oxyalkylene alkylation reaction, obtains compound of the structure as shown in formula (3):
Wherein, R1Selected from the alkyl for C1-C4, the alkoxy of C1-C4, amino, the alkoxy carbonyl group of C1-C4, cyano group, halogen
Element;
R2Alkoxy carbonyl group, diformamide base selected from C1-C4, benzenesulfonyl.
Shown in the reaction scheme such as formula (6) of the adjacent alkenyl phenol derivatives of present invention synthesis:
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is:
The method of the adjacent alkenyl phenol derivatives of synthesis of the present invention is by selecting different R1Group, obtains different benzene
Amphyl, you can obtain different types of adjacent alkenyl phenol derivatives.By cheap and easily-available phenol derivative raw material,
The range of choice of raw material is expanded, and saves cost.The product that the method for the present invention is obtained has abundant function
Group, reactable is strong.Work as R2When group selects specific group, o-hydroxy cinnamic acid can also be obtained by further hydrolysis
Derivative.Meanwhile, reactions steps of the present invention are simple, reaction condition is gentle, high income, it is to avoid use hazardous agents, easily behaviour
Make, with very strong practicality.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with reaction scheme to of the invention real
The mode of applying is described in further detail.
[RhCp*Cl2]2From Sa En chemical technologies (Shanghai) Co., Ltd., purity 98%;
AgSbF6From Sa En chemical technologies (Shanghai) Co., Ltd., purity 98%;
Cu(OAc)2From Shanghai Aladdin chemical reagent Co., Ltd, purity 99%;
Acrylate comes from Shanghai Aladdin chemical reagent Co., Ltd, purity 98%;
Other reagents are all from Chemical Reagent Co., Ltd., Sinopharm Group, analyze pure.
Embodiment 1
In the present embodiment:R1It is methyl;R2It is ethyoxyl.
Step:In 10mL reaction bulbs, addition compound I-1 (0.3mmol), ethyl acrylate (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is depressurized dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=5:1 mixed solvent, i.e.,
Obtain pure product, white solid, yield:92%.
1H NMR(400MHz,CDCl3) δ 8.20-8.15 (m, 1H), 7.85 (d, J=16.1Hz, 1H), 7.73-7.68 (m,
1H), 7.56 (d, J=8.0Hz, 1H), 7.04 (d, J=8.0Hz, 1H), 7.01-7.69 (m, 2H), 6.90 (s, 1H), 6.43
(d, J=16.1Hz, 1H), 4.20 (q, J=7.1Hz, 2H), 2.35 (s, 3H), 1.28 (t, J=7.1Hz, 3H)
Embodiment 2
In the present embodiment:R1It is methoxyl group;R2It is ethyoxyl.
Step:In 10mL reaction bulbs, addition compound I-2 (0.3mmol), ethyl acrylate (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is pressurizeed dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=5:1 mixed solvent, i.e.,
Obtain pure product, yellow liquid, yield:88%.
1H NMR(400MHz,CDCl3) δ 8.18 (dd, J=4.7,1.6Hz, 1H), 7.82 (d, J=16.1Hz, 1H),
7.72 (ddd, J=8.3,7.3,2.0Hz, 1H), 7.61 (d, J=8.8Hz, 1H), 7.03-6.97 (m, 2H), 6.79 (dd, J=
8.8,2.6Hz, 1H), 6.62 (d, J=2.5Hz, 1H), 6.36 (d, J=16.1Hz, 1H), 4.19 (d, J=7.1Hz, 2H),
3.79 (s, 3H), 1.28 (t, J=7.1Hz, 3H)
Embodiment 3
In the present embodiment:R1It is N, N- dimethyl;R2Ethyoxyl.
Step:In 10mL reaction bulbs, addition compound I-3 (0.3mmol), ethyl acrylate (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is pressurizeed dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=5:1 mixed solvent, i.e.,
Obtain pure product, yellow solid, yield:85%.
Compound II-3 is after tested:
1H NMR(400MHz,CDCl3) δ 8.19 (d, J=5.0Hz, 1H), 7.76 (d, J=16.0Hz, 1H), 7.72-
7.65 (m, 1H), 7.55 (d, J=8.9Hz, 1H), 7.01-6.94 (m, 1H), 6.92 (d, J=8.3Hz, 1H), 6.56 (dd, J
=8.9,2.4Hz, 1H), 6.33 (d, J=2.6Hz, 1H), 6.25 (d, J=16.0Hz, 1H), 4.17 (q, J=7.1Hz, 2H),
2.97 (s, 6H), 1.26 (t, J=7.1Hz, 3H)
13C NMR(100MHz,CDCl3)δ167.83,163.85,154.38,152.79,147.94,139.49,
139.26,129.12,118.42,115.15,114.05,111.28,109.43,104.94,59.98,40.11,14.37.
HRMS m/z:calcd for C18H21N2O3[M+H+]313.1547,found 313.1552.
Embodiment 4
In the present embodiment:R1It is chlorine;R2It is ethyoxyl.
Step:In 10mL reaction bulbs, addition compound I-4 (0.3mmol), ethyl acrylate (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is pressurizeed dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=5:1 mixed solvent, i.e.,
Obtain pure product, yellow solid, yield:79%.
1H NMR(400MHz,CDCl3) δ 8.18 (dd, J=4.7,1.6Hz, 1H), 7.83 (d, J=16.2Hz, 1H),
7.75 (ddd, J=8.3,7.3,2.0Hz, 1H), 7.59 (d, J=8.5Hz, 1H), 7.20 (dd, J=8.4,2.0Hz, 1H),
7.12 (d, J=2.1Hz, 1H), 7.08-7.00 (m, 2H), 6.45 (d, J=16.1Hz, 1H), 4.21 (d, J=7.1Hz, 2H),
1.29 (t, J=7.1Hz, 3H)
Embodiment 5
In the present embodiment:R1It is bromine;R2It is ethyoxyl.
Step:In 10mL reaction bulbs, addition compound I-5 (0.3mmol), ethyl acrylate (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is pressurizeed dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=5:1 mixed solvent, i.e.,
Obtain pure product, colourless liquid, yield:80%.
Compound II-5 is after tested:
1H NMR(400MHz,CDCl3) δ 8.18 (d, J=3.0Hz, 1H), 7.81 (d, J=16.2Hz, 1H), 7.77-
7.71 (m, 1H), 7.52 (d, J=8.4Hz, 1H), 7.35 (dd, J=5.8,4.4Hz, 1H), 7.29-7.25 (m, 1H), 7.08-
(t, J=7.1Hz, the 3H) of 6.99 (m, 2H), 6.47 (d, J=16.1Hz, 1H), 4.21 (q, J=7.1Hz, 2H), 1.29
13C NMR(100MHz,CDCl3)δ166.74,162.85,153.29,147.82,139.90,137.89,
128.99,128.33,126.41,125.56,124.32,120.20,119.36,111.98,60.56,14.36,14.27.
HRMS m/z:calcd for C16H15BrNO3[M+H+]348.0230,found 348.0237.
Embodiment 6
In the present embodiment:R1It is trifluoromethyl;R2It is ethyoxyl.
Step:In 10mL reaction bulbs, addition compound I-6 (0.3mmol), ethyl acrylate (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is pressurizeed dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=5:1 mixed solvent, i.e.,
Obtain pure product, colourless liquid, yield:65%.
1H NMR(400MHz,CDCl3) δ 8.16 (d, J=3.8Hz, 1H), 7.87 (d, J=16.2Hz, 1H), 7.79-
7.73 (m, 2H), 7.46 (d, J=8.2Hz, 1H), 7.38 (s, 1H), 7.10-7.03 (m, 2H), 6.54 (d, J=16.2Hz,
1H), 4.23 (q, J=7.1Hz, 2H), 1.30 (t, J=7.1Hz, 3H)
Embodiment 7
In the present embodiment:R1It is ester group;R2Ethyoxyl.
Step:In 10mL reaction bulbs, addition compound I-7 (0.3mmol), ethyl acrylate (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is pressurizeed dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=5:1 mixed solvent, i.e.,
Obtain pure product, white solid, yield:75%.
Compound II-7 is after tested:
1H NMR(400MHz,CDCl3) δ 8.15 (d, J=3.5Hz, 1H), 7.90 (s, 1H), 7.88-7.85 (m, 1H),
7.78-7.71 (m, 3H), 7.03 (dd, J=5.1,4.5Hz, 2H), 6.55 (d, J=16.2Hz, 1H), 4.36 (q, J=
7.1Hz, 2H), 4.22 (q, J=7.1Hz, 2H), 1.36 (t, J=7.1Hz, 3H), 1.29 (t, J=7.1Hz, 3H)
13C NMR(100MHz,CDCl3)δ166.54,165.45,163.13,152.69,147.77,139.83,
137.87,132.93,131.67,127.90,125.93,123.62,121.84,119.13,111.88,61.33,60.65,
14.29,14.26.IRν:1712,1634,1567,1465,1366,1237,1193,987,818,769,698.
HRMS m/z:calcd for C19H20NO5[M+H+]342.1336,found 342.1344.
Embodiment 8
In the present embodiment:R1It is cyano group;R2It is ethyoxyl.
Step:In 10mL reaction bulbs, addition compound I-8 (0.3mmol), ethyl acrylate (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is pressurizeed dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=5:1 mixed solvent, i.e.,
Obtain pure product, colourless liquid, yield:70%.
Compound II-8 is after tested:
1H NMR(400MHz,CDCl3) δ 8.16 (dd, J=4.9,1.2Hz, 1H), 7.86 (d, J=16.2Hz, 1H),
7.79 (ddd, J=8.2,7.3,2.0Hz, 1H), 7.74 (d, J=8.1Hz, 1H), 7.48 (dd, J=8.1,1.2Hz, 1H),
7.43 (d, J=1.5Hz, 1H), 7.12-7.06 (m, 2H), 6.55 (d, J=16.2Hz, 1H), 4.24 (q, J=7.1Hz, 2H),
1.30 (t, J=7.1Hz, 3H)
13C NMR(100MHz,CDCl3)δ166.25,162.40,152.78,147.68,140.19,136.99,
132.02,128.71,128.12,126.01,122.91,119.80,117.87,113.98,112.23,60.87,14.23.
HRMS m/z:calcd for C17H15N2O3[M+H+]295.1077,found 295.1085.
Embodiment 9
In the present embodiment:R1It is methyl;R2It is ethyoxyl.
Step:In 10mL reaction bulbs, addition compound I-9 (0.3mmol), ethyl acrylate (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is pressurizeed dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=5:1 mixed solvent, i.e.,
Obtain pure product, white solid, yield:92%.
1H NMR(400MHz,CDCl3) δ 8.10 (d, J=3.6Hz, 1H), 7.78 (d, J=16.1Hz, 1H), 7.71-
7.66 (m, 1H), 7.53 (d, J=7.2Hz, 1H), 7.30 (d, J=7.1Hz, 1H), 7.18 (t, J=7.6Hz, 1H), 6.95
(dd, J=7.6,4.1Hz, 2H), 6.42 (d, J=16.1Hz, 1H), 4.18 (q, J=7.1Hz, 2H), 2.10 (s, 3H), 1.26
(t, J=7.1Hz, 3H)
Embodiment 10
In the present embodiment:R1It is methoxyl group;R2It is ethyoxyl.
Step:In 10mL reaction bulbs, addition compound I-10 (0.3mmol), ethyl acrylate (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is pressurizeed dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=5:1 mixed solvent, i.e.,
Obtain pure product, yellow solid, yield:90%.
1H NMR(400MHz,CDCl3) δ 8.09 (d, J=3.2Hz, 1H), 7.84 (d, J=16.1Hz, 1H), 7.73-
7.63 (m, 1H), 7.28 (dd, J=8.0,1.3Hz, 1H), 7.21 (t, J=8.0Hz, 1H), 7.01 (dd, J=12.8,
4.8Hz, 2H), 6.95 (dd, J=6.9,5.3Hz, 1H), 6.46 (d, J=16.1Hz, 1H), 4.19 (q, J=7.1Hz, 2H),
3.71 (s, 3H), 1.27 (t, J=7.1Hz, 3H)
Embodiment 11
In the present embodiment:R1It is fluorine;R2It is ethyoxyl.
Step:In 10mL reaction bulbs, addition compound I-11 (0.3mmol), ethyl acrylate (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is pressurizeed dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=5:1 mixed solvent, i.e.,
Obtain pure product, yellow solid, yield:73%.
1H NMR(400MHz,CDCl3) δ 8.09 (dd, J=5.0,1.2Hz, 1H), 7.82 (d, J=16.2Hz, 1H),
7.73 (ddd, J=8.3,7.2,2.0Hz, 1H), 7.46 (d, J=6.4Hz, 1H), 7.25-7.16 (m, 2H), 7.12-7.05
(m, 1H), 7.01 (ddd, J=7.2,5.0,0.9Hz, 1H), 6.49 (d, J=16.1Hz, 1H), 4.21 (q, J=7.1Hz,
2H), 1.29 (t, J=7.1Hz, 3H)
Embodiment 12
In the present embodiment:R1It is chlorine;R2It is ethyoxyl.
Step:In 10mL reaction bulbs, addition compound I-12 (0.3mmol), ethyl acrylate (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is pressurizeed dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=5:1 mixed solvent, i.e.,
Obtain pure product, white solid, yield:78%.
1H NMR(400MHz,CDCl3) δ 8.08 (d, J=4.1Hz, 1H), 7.81-7.69 (m, 2H), 7.59 (d, J=
7.3Hz, 1H), 7.48 (d, J=8.0Hz, 1H), 7.22 (t, J=7.9Hz, 1H), 7.06 (d, J=8.3Hz, 1H), 7.01-
(t, J=7.1Hz, the 3H) of 6.96 (m, 1H), 6.45 (d, J=16.1Hz, 1H), 4.19 (q, J=7.1Hz, 2H), 1.27
Embodiment 13
In the present embodiment:R1It is methoxyl group;R2It is ethyoxyl.
Step:In 10mL reaction bulbs, addition compound I-13 (0.3mmol), ethyl acrylate (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is pressurizeed dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=5:1 mixed solvent, i.e.,
Obtain pure product, white solid, yield:62%.
1H NMR(400MHz,CDCl3):δ 8.15 (d, J=4.0Hz, 1H), 7.80 (d, J=16.4Hz, 1H), 7.70-
7.65 (m, 1H), 7.14 (d, J=2.4Hz, 1H), 7.05 (d, J=9.2Hz, 1H), 6.97-6.93 (m, 3H), 6.44 (d, J=
16.0Hz, 1H), 4.21 (q, J=7.1Hz, 2H), 3.83 (s, 3H), 1.28 (t, J=7.1Hz, 3H)
Embodiment 14
In the present embodiment:R1It is dimethyl;R2It is ethyoxyl.
Step:In 10mL reaction bulbs, addition compound I-14 (0.3mmol), ethyl acrylate (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is pressurizeed dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=5:1 mixed solvent, i.e.,
Obtain pure product, white solid, yield:87%.
Compound II-14 is after tested:
1H NMR(400MHz,CDCl3) δ 8.16 (dd, J=4.9,1.6Hz, 1H), 7.80 (d, J=16.1Hz, 1H),
7.69 (ddd, J=8.4,7.3,2.0Hz, 1H), 7.43 (s, 1H), 6.99-6.94 (m, 2H), 6.88 (s, 1H), 6.42 (d, J
=16.1Hz, 1H), 4.19 (q, J=7.1Hz, 2H), 2.26 (d, J=5.0Hz, 6H), 1.27 (t, J=7.1Hz, 3H)
13C NMR(100MHz,CDCl3)δ167.18,163.81,150.75,147.80,140.79,139.52,
138.98,133.71,128.81,124.75,123.57,118.48,118.45,111.47,60.31,20.06,19.30,
14.29.
HRMS m/z:calcd for C18H20NO3[M+H+]298.1438,found 298.1445.
Embodiment 15
In the present embodiment:R1It is dimethyl;R2It is ethyoxyl.
Step:In 10mL reaction bulbs, addition compound I-15 (0.3mmol), ethyl acrylate (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is pressurizeed dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=5:1 mixed solvent, i.e.,
Obtain pure product, white solid, yield:85%.
1H NMR(400MHz,CDCl3) δ 8.10 (d, J=3.8Hz, 1H), 7.74 (d, J=16.1Hz, 1H), 7.70-
7.65 (m, 1H), 7.32 (s, 1H), 7.11 (s, 1H), 6.97-6.91 (m, 2H), 6.40 (d, J=16.1Hz, 1H), 4.17 (q,
J=7.1Hz, 2H), 2.34 (s, 3H), 2.06 (s, 3H), 1.26 (t, J=7.1Hz, 3H)
Embodiment 16
In the present embodiment:R1It is methyl;R2It is methoxyl group.
Step:In 10mL reaction bulbs, addition compound I-16 (0.3mmol), methyl acrylate (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is pressurizeed dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=5:1 mixed solvent, i.e.,
Obtain pure product, white solid, yield:85%.
Compound II-16 is after tested:
1H NMR(400MHz,CDCl3) δ 8.18 (ddd, J=5.0,2.0,0.7Hz, 1H), 7.85 (d, J=16.1Hz,
1H), 7.71 (ddd, J=8.3,7.2,2.0Hz, 1H), 7.56 (d, J=8.0Hz, 1H), 7.06-7.02 (m, 1H), 7.00
(ddd, J=7.2,5.0,0.9Hz, 1H), 6.97 (dt, J=8.3,0.8Hz, 1H), 6.92-6.88 (m, 1H), 6.44 (d, J=
16.1Hz,1H),3.74(s,3H),2.35(s,3H).
13C NMR(100MHz,CDCl3)δ167.56,163.51,152.86,147.86,142.22,139.63,
139.18,127.93,126.27,124.53,122.88,118.73,118.25,111.70,51.58,21.52.
HRMS m/z:calcd for C16H16NO3[M+H+]270.1125,found 270.1123.
Embodiment 17
In the present embodiment:R1It is methyl;R2It is tert-butoxy.
Step:In 10mL reaction bulbs, addition compound I-17 (0.3mmol), tert-butyl acrylate (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is pressurizeed dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=3:1 mixed solvent, i.e.,
Obtain pure product, white solid, yield:84%.
Compound II-17 is after tested:
1H NMR(400MHz,CDCl3) δ 8.19-8.15 (m, 1H), 7.75 (d, J=16.1Hz, 1H), 7.70 (ddd, J=
8.3,7.2,2.0Hz, 1H), 7.56 (d, J=8.0Hz, 1H), 7.04-6.97 (m, 2H), 6.96 (d, J=8.3Hz, 1H),
(s, the 9H) of 6.90 (s, 1H), 6.35 (d, J=16.1Hz, 1H), 2.35 (s, 3H), 1.47
Embodiment 18
In the present embodiment:R1It is methyl;R2It is N, N- dimethyl.
Step:In 10mL reaction bulbs, compound I-18 (0.3mmol), acrylamide (0.45mmol), [RhCp* are added
Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is anti-at being placed in 80 DEG C
Should, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:It is cooled to room temperature, pressurization concentration.Slightly
Product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=1:1 mixed solvent, that is, obtain
Pure product, white solid, yield:77%.
Compound II-18 is after tested:
1H NMR(400MHz,CDCl3) δ 8.15 (dd, J=5.0,1.5Hz, 1H), 7.73 (d, J=15.6Hz, 1H),
7.67 (ddd, J=8.3,7.2,2.0Hz, 1H), 7.54 (d, J=8.0Hz, 1H), 7.04 (d, J=7.9Hz, 1H), 6.97
(ddd, J=7.2,5.0,0.8Hz, 1H), 6.92 (s, 2H), 6.89 (d, J=7.4Hz, 1H), 3.06 (s, 3H), 3.00 (s,
3H),2.35(s,3H).
13C NMR(100MHz,CDCl3)δ166.92,163.58,152.33,147.75,141.23,139.60,
136.71,128.48,126.31,125.65,123.26,118.58,118.48,111.30,37.35,35.83,21.41.
HRMS m/z:calcd for C17H19N2O2[M+H+]283.1441,found 283.1439.
Embodiment 19
In the present embodiment:R1It is methyl;R2It is benzene sulfuryl.
Step:In 10mL reaction bulbs, addition compound I-19 (0.3mmol), phenyl vinyl sulfone (0.45mmol),
[RhCp*Cl2]2(5mol%), AgSbF6(20mol%), Cu (OAc)2(20mol%) and DMF (1mL), mixture is placed in 80
Reacted at DEG C, TLC (using thin-layer chromatography chromatography) detections are complete to reaction.Carry out post processing purification:Room temperature is cooled to, is pressurizeed dense
Contracting.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=1:1 mixed solvent, i.e.,
Obtain pure product, colourless liquid, yield:68%.
Compound II-19 is after tested:
1H NMR(400MHz,CDCl3) δ 8.13 (dd, J=4.9,1.9Hz, 1H), 7.81 (d, J=7.7Hz, 2H), 7.79
(d, J=6.3Hz, 1H), 7.72 (dd, J=1.8,0.9Hz, 1H), 7.58-7.54 (m, 1H), 7.46 (dd, J=15.7,
8.0Hz, 3H), 7.05-7.00 (m, 2H), 6.97 (d, J=8.3Hz, 1H), 6.90 (s, 1H), 6.87 (d, J=15.5Hz,
1H),2.34(s,3H).
13C NMR(100MHz,CDCl3)δ163.11,153.31,147.80,143.40,140.83,139.84,
137.46,133.14,129.20,128.94,127.69,127.56,126.26,122.79,122.51,119.07,111.91,
21.60.
HRMS m/z:calcd for C20H18NO3S[M+H+]352.1002,found 352.0997.
Embodiment 20
In the present embodiment:R1It is methyl, R2It is ethyoxyl.
Step:Under nitrogen protection, addition compound II-1 (1.0mmol) in 50mL reaction bulbs, toluene (25mL),
MeOTf (Methyl triflate) (2.0mmol), mixture is placed in 100 DEG C and reacts 2 hours.After being cooled to room temperature, toluene is removed
Obtain white solid.White solid is dissolved in ethanol (10mL), and is slowly added dropwise the ethanol solution of sodium (20mmol) thereto
(20mL) reacts 30 minutes at 100 DEG C.Carry out post processing purification:Room temperature is cooled to, H is added2O (50mL), uses ethyl acetate
Extraction (3 × 30mL), anhydrous sodium sulfate drying is used after merging organic phase.Crude product silica gel column chromatography separating purification, mobile phase
It is V (petroleum ether):V (ethyl acetate)=5:1 mixed solvent, obtains final product pure product III-1.
1H NMR(400MHz,CDCl3) δ 7.95 (d, J=16.4Hz, 1H), 7.36 (d, J=8.0Hz, 1H), 6.73 (d, J
=6.8Hz, 1H), 6.65 (s, 1H), 6.57 (d, J=16.4Hz, 1H), 6.06 (s, 1H), 4.26 (q, J=7.2Hz, 2H),
2.31 (s, 3H), 1.35 (t, J=7.2Hz, 3H)
Embodiment 21
In the present embodiment:R1 is methyl, and R2 is ethyoxyl.
Step:Under nitrogen protection, addition compound II-9 (1.0mmol) in 50mL reaction bulbs, toluene (25mL),
MeOTf (2.0mmol), mixture is placed in 100 DEG C and reacts 2 hours.After being cooled to room temperature, remove toluene and obtain white solid.Will
White solid is dissolved in ethanol (10mL), and it is anti-at 100 DEG C to be slowly added dropwise the ethanol solution of sodium (20mmol) (20mL) thereto
Answer 30 minutes.Carry out post processing purification:Room temperature is cooled to, H is added2O (50mL), is extracted with ethyl acetate (3 × 30mL), merges
Anhydrous sodium sulfate drying is used after organic phase.Crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (acetic acid
Ethyl ester)=8:1 mixed solvent, obtains final product pure product III-2.
1H NMR(400MHz,CDCl3):δ=8.16 (d, J=16.1Hz, 1H), 7.35 (dd, J=7.7,1.8Hz, 1H),
7.16-7.14 (m, 1H), 6.84 (t, J=7.7Hz, 1H), 6.54 (d, J=16.1Hz, 1H), 6.21 (s, 1H), 4.27 (q, J
=7.1Hz, 2H), 2.30 (s, 3H), 1.34 (t, J=7.1Hz, 3H)
Embodiment 22
In the present embodiment:R1It is methyl.
Step:In 25mL reaction bulbs, 2- bromopyridines (5mmol), m-methyl phenol (6mmol), pyridine -2- formic acid are added
(1mmol), K3PO4(10mmol), CuI (0.5mmol) and DMSO (10mL), mixture react at being placed in 90 DEG C, and TLC is (with thin
Chromatography is analysed layer by layer) detection extremely reaction is completely.Carry out post processing purification:Room temperature is cooled to, H is added2O(30mL).Use acetic acid second
Ester (40mL) is extracted 3 times, merges organic phase, is washed with saturated aqueous common salt (100mL).Dried with anhydrous magnesium sulfate, filtering, decompression
Concentration, crude product silica gel column chromatography separating purification, mobile phase is V (petroleum ether):V (ethyl acetate)=8:1 mixed solvent,
Obtain the I-1 in embodiment 1.
It should be noted that:The synthetic method of the adjacent alkenyl phenol derivatives that above-described embodiment is provided, only with above-mentioned synthesis
Adjacent alkenyl phenol derivatives be illustrated, in actual applications, can as needed select Material synthesis other adjacent
Alkenyl phenol derivatives, its specific synthetic method is similar to specific embodiment of the invention, and those skilled in the art can basis
General knowledge carries out the adjustment of reaction condition, repeats no more here.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (8)
1. a kind of method for synthesizing adjacent alkenyl phenol derivatives, it is characterised in that:Its step includes:
S1. the compound by structure as shown in formula (1) and compound of the structure as shown in formula (2) be under rhodium catalyst, with
Copper acetate, silver hexafluoroantimonate mixing, 70~90 DEG C are heated in the second solvent carries out Olefination reaction, obtains structure such as formula
(3) compound shown in:
S2. the compound by structure as shown in formula (3) sloughs pyridine groups and obtains adjacent alkenyl phenol of the structure as shown in formula (4) and spreads out
It is biological:
Wherein, R1Alkyl, halogenated methyl, the alkoxy of C1-C4 selected from C1-C4, dimethylamino, lignocaine, the alkane of C1-C4
Oxygen carbonyl, cyano group, halogen;
R2Alkoxy carbonyl group, diformamide base selected from C1-C4, benzenesulfonyl.
2. the method for synthesizing adjacent alkenyl phenol derivatives according to claim 1, it is characterised in that:The structure such as formula (1)
Shown compound is that compound by 2- bromopyridines, structure as shown in formula (5) carries out Liv Ullmann C-O coupling reactions and obtains;
3. the method for synthesizing adjacent alkenyl phenol derivatives according to claim 2, it is characterised in that:The Liv Ullmann C-O idols
Connection reaction is that under CuI, potassium phosphate, the catalytic action of pyridine carboxylic acid, in the first solvent, 80~100 DEG C are reacted what is obtained.
4. the method for synthesizing adjacent alkenyl phenol derivatives according to claim 1, it is characterised in that:The rhodium catalyst is
[RhCp*Cl2]2。
5. the method for synthesizing adjacent alkenyl phenol derivatives according to claim 1, it is characterised in that:The rhodium catalyst rubs
Your percentage is 5mol%, and the molar percentage of copper acetate is 20mol%, and the molar percentage of silver hexafluoroantimonate is 20mol%.
6. the method for synthesizing adjacent alkenyl phenol derivatives according to claim 1, it is characterised in that:In the step S2, will
Compound of the structure as shown in formula (3) and Methyl triflate in the 3rd solvent, at 100~120 DEG C heating response 1~
After 3h, again by product in the 4th solvent after removing solvent, the alcoholic solution of metallic sodium is added, continued at 100~120 DEG C
Pyridine groups can be sloughed after 0.5~1h of heating response, obtain adjacent alkenyl phenol derivatives of the structure as shown in formula (4).
7. any one in the method for the adjacent alkenyl phenol derivatives of synthesis according to claims 1 to 6, it is characterised in that:Institute
The first solvent is stated for DMSO, second solvent is DMF, the 3rd solvent is toluene, and the 4th solvent is ethanol.
8. a kind of method that Olefination reaction is carried out on phenyl ring, it is characterised in that:By compound of the structure as shown in formula (1) and knot
Compound of the structure as shown in formula (2) mixes under rhodium catalyst with copper acetate, silver hexafluoroantimonate, adds in the second solvent
Hot to 70~90 DEG C carry out Olefination reaction, obtain compound of the structure as shown in formula (3):
Wherein, R1Selected from the alkyl for C1-C4, the alkoxy of C1-C4, amino, the alkoxy carbonyl group of C1-C4, cyano group, halogen;
R2Alkoxy carbonyl group, diformamide base selected from C1-C4, benzenesulfonyl.
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CN109627163A (en) * | 2018-12-18 | 2019-04-16 | 浙江工业大学 | The directly Olefination method in phenol compound ortho position and Olefination phenol compound |
CN111270260A (en) * | 2020-02-09 | 2020-06-12 | 浙江师范大学 | Method for alkenylating ortho-position of aromatic amide compound |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109627163A (en) * | 2018-12-18 | 2019-04-16 | 浙江工业大学 | The directly Olefination method in phenol compound ortho position and Olefination phenol compound |
CN109627163B (en) * | 2018-12-18 | 2021-03-09 | 浙江工业大学 | Method for directly olefination of ortho-position of phenol compound and olefination of phenol compound |
CN111270260A (en) * | 2020-02-09 | 2020-06-12 | 浙江师范大学 | Method for alkenylating ortho-position of aromatic amide compound |
CN111270260B (en) * | 2020-02-09 | 2021-05-25 | 浙江师范大学 | Method for alkenylating ortho-position of aromatic amide compound |
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Inventor after: Wang Liang Inventor after: Zhou Lin Inventor after: Xie Haohao Inventor after: Zhang Yumin Inventor before: Zhou Lin Inventor before: Wang Liang Inventor before: Xie Haohao Inventor before: Zhang Yumin |
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Application publication date: 20170613 |