CN107488089A - Have axial chirality and the high optical activity allenic compound and its construction method of central chirality and application concurrently - Google Patents
Have axial chirality and the high optical activity allenic compound and its construction method of central chirality and application concurrently Download PDFInfo
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- CN107488089A CN107488089A CN201710669453.7A CN201710669453A CN107488089A CN 107488089 A CN107488089 A CN 107488089A CN 201710669453 A CN201710669453 A CN 201710669453A CN 107488089 A CN107488089 A CN 107488089A
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- 0 C*c(ccc1c2cccc1)c2-c1c(*C)cc(C**)c(C)c1C=CC Chemical compound C*c(ccc1c2cccc1)c2-c1c(*C)cc(C**)c(C)c1C=CC 0.000 description 12
- WPHGSKGZRAQSGP-UHFFFAOYSA-N C1C2C1CCCC2 Chemical compound C1C2C1CCCC2 WPHGSKGZRAQSGP-UHFFFAOYSA-N 0.000 description 1
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- C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
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- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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Abstract
Have the method for the high optical activity allenic compound of axial chirality and central chirality concurrently the invention discloses a kind of direct construction, that is formula (1) 2,3 alkenyl-functional groups compounds and formula (2) nucleopilic reagent, in the presence of palladium catalyst, chiral diphosphine ligand and alkali, reacted in organic solvent, a step direct construction has the high optical activity allenic compound of axial chirality and central chirality concurrently.The inventive method is simple to operate, and raw material and reagent are easy to get, and reaction condition is gentle, and substrate universality is wide, and functional group compatibility is good, the stereoselectivity of product it is extremely outstanding (>99:1d.r., 95%~>99%ee).The high optical activity allenic compound that the present invention obtains, the compounds such as single fluoromethylation connection alkene containing multiple chiral centers, γ connection olefin(e) acids ester, γ connection olefin(e) acid, γ connection enol, gamma butyrolactone can be constructed as important intermediate.
Description
Technical field
The invention belongs to chemosynthesis technical field, specifically, is related to a kind of direct construction and has axial chirality and center concurrently
The method of chiral high optical activity allenic compound.
Background technology
It is well known that chiral phenomenon is widely existed in nature.Research for chirality, the mankind have been inspired to changing
Learn, physics and life science are re-recognized.Chiral molecules can be divided into polytype, in being widely studied
The heart is chiral outer, also axial chirality, planar chiral;The chiral molecules of various configuration may have different physics and chemical property with
And physiologically active.Therefore, how efficiently to construct chiral molecules is extremely important part in spatial chemistry research.Shi Zhijin
Day, although how people are being constructed only containing having made substantial progress on a kind of molecule of chiral centre, how efficiently structure
Build the molecule containing a variety of chiral centres be still one challenge, and at this stage asymmetric chemistry research emphasis.Some are multiple
Miscellaneous drug molecule and natural products would generally include multiple, even a variety of chiral centres.For example, many have potential application valency
The connection alkene natural products and drug molecule of value just contain axial chirality and central chirality (Ref simultaneously:(a)Kennedy,D.J.;
Selby,I. A.;Cowe,H.J.;Cox,P.J.;Thomson,R.H.J.Chem.Soc.,Chem.Commun.1984,153.
(b)Umehara,K.;Hattori,I.;Miyase,T.;Ueno,A.;Hara,S.;Kageyama,C.Chem.
Pharm.Bull.1988,36,5004.(c)Eglen,R.M.;Whiting,R.L.;Br.J.Pharmacol.1989, 98,
1335.(d)Liu,L.;Liu,S.;Chen,X.;Guo,L.;Che,Y.Bioorgan.Med.Chem.2009, 17,606.).
Therefore, the novel strategy of practicality is developed, it is efficient, highly-solid selectively to construct the molecule containing a variety of chiral centres, draw
The great interest of scientific worker is played.
At present, enol derivatives and nucleopilic reagent (such as malonate, mono-substituted malonic acid are joined using 2, the 3- to disappear outside
Ester, primary amine, secondary amine etc.) reacted under the catalysis of different Phosphine ligands and palladium, it can be obtained in when outstanding enantioselectivity
To a series of optically active allenic compounds.But in existing document report, only when reactant is the nucleophilic of big steric hindrance
When reagent or connection alkene containing one big steric hindrance R group, chiral connection ene product could be obtained with higher enantioselectivity;And this
Class method can only be used to synthesis and only have a kind of high optical activity allenic compound of chiral centre so far, otherwise only contain axle
Chirality (Ref:(a)Imada,Y.;Ueno,K.; Kutsuwa,K.;Murahashi,S.-I.Chem.Lett.2002,140.
(b)Imada,Y.;Nishida,M.; Kutsuwa,K.;Murahashi,S.-I.;Naota,T.;Org,Lett.2005,7,
5837.(c)Imada,Y.; Nishida,M.;Naota,T.Tetrahedron Lett.2008,49,4915.(d)Trost,
B.M.;Fandrick,D. R.;Dinh,D.C.J.Am.Chem.Soc.2005,127,14186.(e)Nemoto,T.;
Kanematsu,M.; Tamura,S.;Hamada,Y.Adv.Synth.Catal.2009,351,1773.(f)Wan,B.;Ma,
S. Angew.Chem.Int.Ed.2013,52,441.), or only contain central chirality (Ref:(a)Li,Q.;Fu,C.; Ma,
S.Angew.Chem.Int.Ed.2012,51,11783.(b)Li,Q.;Fu,C.;Ma,S.Angew.
Chem.Int.Ed.2014,53,6511.).So contain a variety of hands simultaneously using constructing for this high enantioselectivity of strategy
The allenic compound at property center still suffers from huge challenge.
The content of the invention
The high optical activity for having axial chirality and central chirality concurrently it is an object of the invention to provide a kind of direct construction joins alkylene
The method of compound, i.e., alkenyl-functional groups compound and nucleopilic reagent are joined by 2,3-, in palladium catalyst, chiral diphosphine ligand and alkali
In the presence of, react in organic solvent, a step direct construction has the high optical activity connection alkylene of axial chirality and central chirality concurrently
Compound.
The present invention is realized using technical scheme in detail below:
The method that direct construction provided by the invention has the high optical activity allenic compound of axial chirality and central chirality concurrently,
Including:In the presence of palladium catalyst, chiral diphosphine ligand and alkali, 2,3- shown in formula (1) connection alkenyl-functional groups compound and
Nucleopilic reagent shown in formula (2) carries out transition metal-catalyzed asymmetric connection olefination, step generation in organic solvent
Have the high optical activity allenic compound of axial chirality and central chirality concurrently, course of reaction is reacted shown in formula (I) as follows:
Wherein, 2 described, 3- connection alkenyl-functional groups compound 1 is outer disappear substrate or optical activity substrate.
Wherein, R1For alkyl, the alkyl with functional group, phenyl, aryl or heterocyclic radical;R2For hydrogen atom, alkyl, band
There are the alkyl of functional group, phenyl, aryl or heterocyclic radical;R3For alkyl, the alkyl with functional group, phenyl or aryl;LG
For acetate, carbonic ester, phosphate, phosphite ester, sulphonic acid ester or halogen atom;R is hydrogen atom, halogen atom, alkyl, benzene
Base or aryl;E is drawing electron group, is one kind in ester group, sulfonyl, cyano group, acyl group.The aryl is o-, m-, contraposition
There is the phenyl of electrophilic or electron substituent;The heterocyclic radical is thiophene, furans or pyridine or has electrophilic or electron
Thiophene, furans or the pyridine of substituent.
Preferably, R1For C1-C20 alkyl, end carries the C1-C20 alkyl of functional group, phenyl, aryl or heterocyclic radical;
R2For hydrogen atom, C1-C20 alkyl, end carries the C1-C20 alkyl of functional group, phenyl, aryl or heterocyclic radical;R3For C1-
C20 alkyl, end carry the C1-C20 alkyl of functional group, phenyl or aryl;LG is acetate, carbonic ester, phosphate, or
Halogen atom;R is hydrogen atom, halogen atom, C1-C20 alkyl, phenyl or aryl;E is drawing electron group, is ester group, sulphonyl
One kind in base, cyano group, acyl group.Wherein, in C1-C20 alkyl of the end with functional group, it is double that the functional group is selected from carbon-to-carbon
Key, the key of carbon-to-carbon three, hydroxyl, oxyl, silicon ether, acyloxy, ester group, acyl group, amide groups, sulfonic group, halogen, sulfonyl, carboxylic
Base, cyano group, nitro, the amino of alkyl substitution, the amino of acyl group substitution;The aryl is o-, m-, contraposition has electrophilic or to electricity
The phenyl of sub- substituent, the heterocyclic radical be thiophene, furans or pyridine or have the thiophene of electrophilic or electron substituent,
Furans or pyridine, the electron-withdrawing substituent include halogen, nitro, ester group, carboxyl, acyl group, amide groups, sulfonyl, sulfonic group,
Cyano group, the electron substituent include alkyl, alkenyl, alkynyl, phenyl, oxyl, hydroxyl, amino, acyloxy, alkyl substitution
Amino, acyl group substitution amino.
It is further preferred that R1For C1-C10 alkyl, end carries the C1-C10 alkyl of functional group, phenyl, aryl or
Heterocyclic radical;R2For hydrogen atom, C1-C10 alkyl, end carries the C1-C10 alkyl of functional group, phenyl, aryl or heterocyclic radical;R3
For C1-C10 alkyl, end carries the C1-C10 alkyl of functional group, phenyl or aryl;LG is acetate, carbonic ester, phosphoric acid
Ester;R is hydrogen atom, halogen atom, C1-C10 alkyl, phenyl or aryl;E is drawing electron group, is ester group, sulfonyl, cyanogen
One kind in base.Wherein, in C1-C10 alkyl of the end with functional group, the functional group is selected from Wherein, R is C1~C20 alkyl,
Phenyl, or aryl, n=0~20, Y are hydrogen, C1~C20 alkyl, acyl group, silicon ethers protection group (including tert-butyldimethyl silyl
Base (TBS), triethyl group silicon substrate (TES), tert-butyl diphenyl silicon substrate (TBDPS));The aryl is o-, m-, contraposition has electrophilic
Or the phenyl of electron substituent, the heterocyclic radical are thiophene, furans or pyridine or have electrophilic or electron substituent
Thiophene, furans or pyridine, the electron-withdrawing substituent include halogen, nitro, ester group, carboxyl, acyl group, sulfonyl, sulfonic group, cyanogen
Base, the electron substituent include alkyl, alkenyl, alkynyl, phenyl, oxyl, hydroxyl, amino, acetylamino, diformazan ammonia
Base.
It is further preferred that R1Selected from C1-C10 straight chained alkyls, C1-C10 cycloalkyl, end carries the C1-C10 of functional group
Alkyl, phenyl, the phenyl of alkyl substitution, the phenyl of halogen substitution, the phenyl of oxyl substitution;R2Selected from hydrogen, C1-C10 straight chains
Alkyl, C1-C10 cycloalkyl, C1-C10 alkyl of the end with functional group, phenyl, the phenyl of alkyl substitution, halogen substitution
Phenyl, the phenyl of oxyl substitution;R3Selected from C1-C10 straight chained alkyls, end carries the C1-C10 alkyl of functional group, phenyl,
The phenyl of alkyl substitution, the phenyl of halogen substitution, the phenyl of oxyl substitution;LG is selected from acetate;R is selected from hydrogen, fluorine, chlorine, bromine,
Iodine, C1-C6 alkyl, phenyl;E is selected from ester group, sulfonyl;Wherein, it is described in C1-C10 alkyl of the end with functional group
Functional group is selected fromWherein, R is C1~C10 alkyl, n=0~10, Y be hydrogen,
C1~C10 alkyl, acyl group, silicon ethers protection group (including t-Butyldimethylsilyl (TBS), triethyl group silicon substrate (TES), tertiary fourth
Base diphenyl silicon substrate (TBDPS)).
It is further preferred that R1Selected from normal-butyl, n-heptyl, cyclohexyl, cyclopropyl, phenylpropyl, phenyl, to methylbenzene
Base, p-bromophenyl, rubigan;R2Selected from hydrogen, normal-butyl, n-heptyl, cyclohexyl, cyclopropyl, phenylpropyl, phenyl, to methyl
Phenyl, p-bromophenyl, rubigan;R3Selected from normal-butyl, n-hexyl, n-heptyl, n-nonyl,LG is selected from acetate;R is selected from hydrogen, fluorine;E is selected from carbethoxyl group (CO2Et), benzene sulfonyl
Base (SO2Ph)。
As a further improvement, the concrete operation step of the present invention is as follows:
1) in glove box, in oil bath, put into successively into dry reaction tube palladium catalyst, chiral diphosphine ligand and
Alkali, reaction tube is taken out, add the organic solvent of certain volume in a nitrogen atmosphere;Reaction tube is placed in and is previously heated to necessarily
In the oil bath of temperature, 5-60 minutes (preferably 30 minutes) are stirred;Wherein, the organic solvent of the certain volume refers to 1 material
On the basis of the dosage of (2, the 3- connection alkenyl-functional groups compound shown in formula (1)), the dosage of the organic solvent is 0.5-
10.0mL/mmol, the certain temperature refer to 20-50 DEG C;
2) after the completion for the treatment of step 1), reaction tube is proposed from oil bath, 2,3- connection alkenyl-functional groups are added under nitrogen atmosphere
The organic solvent of compound, nucleopilic reagent and certain volume, then reaction tube is put back in oil bath and heated, stirring reaction;Wherein, institute
The organic solvent for stating certain volume refers to that on the basis of the dosage of 1 material the dosage of the organic solvent is 0.5-10.0mL/
mmol;
3) after step 2) reaction completely, the ethyl acetate of certain volume is added into reaction tube, gained mixed liquor is used full
Washed 3 times with salt, separate organic phase, the ether of aqueous phase certain volume extracts 1 time, merges all organic phases, use is anhydrous
Sodium sulphate is dried, and is filtered, and concentration, rapid column chromatography obtains final product;Wherein, the ethyl acetate of the certain volume refers to chemical combination
Thing;Wherein, the ethyl acetate of the certain volume refers on the basis of the dosage of 1 material, and the dosage of the ethyl acetate is
1.0-100mL/mmol, the ether of the certain volume refer to that on the basis of the dosage of 1 material the dosage of the ether is 1.0-
100mL/mmol。
As a further improvement, palladium catalyst of the present invention is two (cinnamyl palladium bichlorides), two (pi-allyl chlorinations
Palladium), tetrakis triphenylphosphine palladium, three (dibenzalacetone) two palladium, two (dibenzalacetone) one palladium, palladium bichloride, palladium, two
(triphenylphosphine) palladium bichloride, any one or more in two (acetonitrile) palladium bichlorides;Preferably, it is two (cinnamyl palladium bichlorides).
As a further improvement, (R)-L1~(R) of the chiral diphosphine ligand of the present invention selected from following structure-
L5 and its enantiomter (S)-L1~(S)-L5 one or more;Wherein Ar is phenyl, aryl or heterocyclic radical, the aryl
It is o-, m-, aligns the phenyl for having alkyl or oxyl substitution, the heterocyclic radical is thiophene, furans or pyridine;Preferably, it is described
Ar is phenyl, 3,5- di-t-butyl -4- methoxyphenyls.
Preferably, described chiral diphosphine ligand is (R)-L5 and/or its enantiomter (S)-L5, wherein Ar are benzene
Base, aryl or heterocyclic radical, the aryl is o-, m-, contraposition has alkyl or the phenyl of oxyl substitution, wherein, the alkyl bag
Methyl, ethyl, propyl group, isopropyl, butyl, isobutyl group, the tert-butyl group are included, the oxyl includes ethyoxyl, propoxyl group, isopropyl oxygen
Base, butoxy, isobutoxy, tert-butoxy, oxyl;The heterocyclic radical is thiophene, furans or pyridine;Preferably, the Ar
For phenyl, 3,5- di-t-butyl -4- methoxyphenyls.
As a further improvement, chiral diphosphine ligand of the present invention is selected from (R)-L5a or its enantiomter
(S) one or more in-L5a, (R)-L5b or its enantiomter (S)-L5b, wherein, (the R)-L5a, (R)-L5b
Structure it is as follows:
(R)-L5a, Ar=3,5- di-t-butyl -4- methoxyphenyls
(R)-L5b, Ar=phenyl
As a further improvement, alkali of the present invention is inorganic base, selected from potassium carbonate, cesium carbonate, sodium phosphate, phosphoric acid
Potassium, sodium dihydrogen phosphate, potassium hydroxide, sodium hydroxide, tert-butyl alcohol lithium, potassium tert-butoxide, sodium tert-butoxide, any one in sodium hydride
It is or a variety of;Preferably, it is potassium carbonate.
As a further improvement, organic solvent of the present invention is 1-METHYLPYRROLIDONE, and N, N- dimethyl formyls
Amine, DMA, dimethyl sulfoxide, Isosorbide-5-Nitrae-dioxane, tetrahydrofuran, acetonitrile, ether, butyl ether, methyl tertbutyl
Any one or more in ether;Preferably, it is the mixture of 1-METHYLPYRROLIDONE, DMF or both.
As a further improvement, the temperature of reaction of the present invention is 20-50 DEG C;Preferably, it is 30 DEG C.
As a further improvement, the time of reaction of the present invention is 2-48 hours;Preferably, it is 12 hours.
As a further improvement, formula (1) 2 of the present invention, 3- connection alkenyl-functional groups compound, the examination of formula (2) nucleophilic
Agent, palladium catalyst, the mol ratio (or mass ratio) of chiral diphosphine ligand and alkali are 1.0:1.0–3.0: 0.005–0.1:0.012–
0.24:1.0–3.0;Preferably, it is 1.0:2.0:0.025:0.06:2.0.
Present invention also offers the high optical activity allenic compound for having axial chirality and central chirality concurrently, its structure is such as
(Ra,S)-3,(Sa, R) and shown in -3:
Wherein, R1For alkyl, the alkyl with functional group, phenyl, aryl or heterocyclic radical;R2For hydrogen atom, alkyl, band
There are the alkyl of functional group, phenyl, aryl or heterocyclic radical;R3For alkyl, the alkyl with functional group, phenyl or aryl;LG
For acetate, carbonic ester, phosphate, phosphite ester, sulphonic acid ester or halogen atom;R is hydrogen atom, halogen atom, alkyl, benzene
Base or aryl;E is drawing electron group, is one kind in ester group, sulfonyl, cyano group, acyl group.Wherein, the aryl be it is adjacent,
Between, contraposition have the phenyl of electrophilic or electron substituent;The heterocyclic radical is thiophene, furans or pyridine or has electrophilic
Or thiophene, furans or the pyridine of electron substituent.
Preferably, R1For C1-C20 alkyl, end carries the C1-C20 alkyl of functional group, phenyl, aryl or heterocyclic radical;
R2For hydrogen atom, C1-C20 alkyl, end carries the C1-C20 alkyl of functional group, phenyl, aryl or heterocyclic radical;R3For C1-
C20 alkyl, end carry the C1-C20 alkyl of functional group, phenyl or aryl;LG is acetate, carbonic ester, phosphate, phosphorous
Acid esters, sulphonic acid ester or halogen atom;R is hydrogen atom, halogen atom, C1-C20 alkyl, phenyl or aryl;E is drawing electronics
Group, it is one kind in ester group, sulfonyl, cyano group, acyl group.Wherein, in C1-C20 alkyl of the end with functional group, the official
It can roll into a ball selected from carbon-to-carbon double bond, the key of carbon-to-carbon three, hydroxyl, oxyl, silicon ether, acyloxy, ester group, acyl group, amide groups, sulfonic acid
Base, halogen, sulfonyl, carboxyl, cyano group, nitro, the amino of alkyl substitution, the amino of acyl group substitution;The aryl be it is o-, m-,
Contraposition has the phenyl of electrophilic or electron substituent, the heterocyclic radical be thiophene, furans or pyridine or have electrophilic or to
Thiophene, furans or the pyridine of electron substituent group, the electron-withdrawing substituent include halogen, nitro, ester group, carboxyl, acyl group, acid amides
Base, sulfonyl, sulfonic group, cyano group;The electron substituent includes alkyl, alkenyl, alkynyl, phenyl, oxyl, hydroxyl, ammonia
Base, acyloxy, the amino of alkyl substitution, the amino of acyl group substitution.
It is further preferred that R1For C1-C10 alkyl, end carries the C1-C10 alkyl of functional group, phenyl, aryl or
Heterocyclic radical;R2For hydrogen atom, C1-C10 alkyl, end carries the C1-C10 alkyl of functional group, phenyl, aryl or heterocyclic radical;R3
For C1-C10 alkyl, end carries the C1-C10 alkyl of functional group, phenyl or aryl;LG is acetate, carbonic ester, phosphoric acid
Ester,;R is hydrogen atom, halogen atom, C1-C10 alkyl, phenyl or aryl;E is drawing electron group, be ester group, sulfonyl,
One kind in cyano group, acyl group.Wherein, in alkyl of the end with functional group, wherein, end carries the C1-C10 alkyl of functional group
In, the functional group is selected fromIts
In, R is C1~C20 alkyl, phenyl, aryl, n=0~20, Y be hydrogen, C1~C20 alkyl, acyl group, silicon ethers protection group (including
T-Butyldimethylsilyl (TBS), triethyl group silicon substrate (TES), tert-butyl diphenyl silicon substrate (TBDPS));The aryl be it is adjacent,
Between, contraposition have the phenyl of electrophilic or electron substituent, the heterocyclic radical is thiophene, furans or pyridine or has electrophilic
Or thiophene, furans or the pyridine of electron substituent, the electron-withdrawing substituent include halogen, nitro, ester group, carboxyl, acyl group,
Sulfonyl, sulfonic group, cyano group;The electron substituent include alkyl, alkenyl, alkynyl, phenyl, oxyl, hydroxyl, amino,
Acetylamino, dimethylamino.
It is further preferred that R1Selected from C1-C10 straight chained alkyls, C1-C10 cycloalkyl, end carries the C1-C10 of functional group
Alkyl, phenyl, the phenyl (such as methyl substituted phenyl) of alkyl substitution, the phenyl of halogen substitution, the phenyl of oxyl substitution;R2
Selected from hydrogen, C1-C10 straight chained alkyls, C1-C10 cycloalkyl, end carries the C1-C10 alkyl of functional group, phenyl, alkyl substitution
Phenyl (such as methyl substituted phenyl), the phenyl of halogen substitution, the phenyl of oxyl substitution;R3Selected from C1-C10 straight chained alkyls,
End carries the C1-C10 alkyl of functional group, phenyl, the phenyl of alkyl substitution, the phenyl of halogen substitution, the benzene of oxyl substitution
Base;LG is selected from acetate;R is selected from hydrogen, fluorine, chlorine, bromine, iodine, C1-C6 alkyl, phenyl;E is selected from ester group, sulfonyl;Wherein,
In C1-C10 alkyl of the end with functional group, the functional group is selected from Its
In, R is C1~C10 alkyl, and n=0~10, Y are hydrogen, C1~C10 alkyl, acyl group, silicon ethers protection group (including the tert-butyl group two
Methylsilyl (TBS), triethyl group silicon substrate (TES), tert-butyl diphenyl silicon substrate (TBDPS)).
It is further preferred that R1Selected from normal-butyl, n-heptyl, cyclohexyl, cyclopropyl, phenylpropyl, phenyl, to methylbenzene
Base, p-bromophenyl, rubigan;R2Selected from hydrogen, normal-butyl, n-heptyl, cyclohexyl, cyclopropyl, phenylpropyl, phenyl, to methyl
Phenyl, p-bromophenyl, rubigan;R3Selected from normal-butyl, n-hexyl, n-heptyl, n-nonyl,LG is selected from acetate;R is selected from hydrogen, fluorine;E is selected from carbethoxyl group (CO2Et), benzene sulfonyl
Base (SO2Ph)。
Present invention also offers formula (Ra,S)-3,(Sa, R) shown in -3 have axial chirality concurrently and the high optics of central chirality is lived
Property allenic compound prepare containing multiple chiral centers single fluoromethylation connection alkene, γ-connection olefin(e) acid ester, γ-connection olefin(e) acid, γ-
Join enol, the application in gamma-butyrolacton compound, wherein, the multiple chiral centre refer to two or more it is identical or
The chiral centre differed.
The innovative point of the present invention is that the present invention passes through in formula (1) 2, the α of the connection alkenyl of 3- connection alkenyl-functional groups compounds
Position introduces a R3Group, utilize R3Group caused space steric effect in the reaction, is controlled with higher enantioselectivity
The axial chirality of product;Further, since a new asymmetric carbon atom (central chirality), both different types are introduced simultaneously
Chiral centre between there is cooperative effect;Therefore, under single chiral part and palladium chtalyst, the present invention realizes asymmetry
Axial chirality and controlled in connection olefination while central chirality, developed first based on this it is a kind of efficiently, practical, high selection
The method that one step direct construction of property has the high optical activity allenic compound of axial chirality and central chirality concurrently.What the present invention obtained
Chirality connection ene product, single fluoromethylation connection alkene, the γ-connection containing multiple chiral centers can be constructed as important intermediate
The compounds such as olefin(e) acid ester, γ-connection olefin(e) acid, γ-connection enol, gamma-butyrolacton.
Beneficial effects of the present invention also include:Raw material and reagent are simple and easy to get, and it is convenient to prepare;Reaction condition is gentle, operation
Simply;Substrate universality is wide;Functional group compatibility is good, can the very small group of compatible steric hindrance;Nucleopilic reagent can be not only
Malonic acid ester type compound or the double benzene sulfonic acid methane of double benzene sulfonic acid methane and fluoro;Can a step structure contain an axle
Chiral and a central chirality optical voidness connection alkene;The stereoselectivity of product it is extremely outstanding (>99:1d.r., 95%~>99%
ee);Easily separated purifying of product etc..
Embodiment
With reference to specific examples below, the present invention is described in further detail.Implement the present invention process, condition,
Experimental method etc., it is the universal knowledege and common knowledge of this area in addition to the following content specially referred to, the present invention does not have
Especially limitation content.The concrete structure formula of involved chiral diphosphine ligand and reference numeral are as follows in all embodiments:
Embodiment 1
Wherein, equiv represents equivalent, mol expressions mole, and d.r. represents diastereoisomer ratio, and NMP represents N- methyl
Pyrrolidones, ee represent enantiomter excess.
In glove box, sequentially added in the Schlenk reaction tubes dry toward one [Pd (π-cinnamyl) Cl]2
(0.0134g, 0.025mmol), chiral diphosphine ligand (R)-L5a (0.0709g, 0.06mmol), and K2CO3 (0.2763g,
2mmol).NMP (5mL) is then added under nitrogen protection, and reaction tube is placed in one and is previously heated in 30 DEG C of oil bath, is stirred
After mixing 30 minutes, it will be proposed in reaction tube from oil bath, nitrogen protection is lower to add 2,3- connection enol acetates (Ra*,S*)-1a
(0.2781g, 1mmol) and NMP (5mL), dibenzenesulfonyl methane 2a (0.6105g, 2mmol).Reaction tube is put into 30 again
In DEG C oil bath, stirring, after 12 hours thin-layer chromatography (TLC) monitoring reaction complete.Add ethyl acetate (30mL) diluting reaction, institute
Mixed liquor is obtained to be washed (20mL × 3) with salt.Organic phase is separated, merges aqueous phase and is extracted with ether (20mL), merging is all to be had
Machine phase, anhydrous sodium sulfate drying.Filtering, concentration, rapid column chromatography (eluent:Petroleum ether (30~60 DEG C)/ethyl acetate=
8/1) the chiral connection ene product (R of oily is obtaineda, S) and -3aa (0.3965g, 77%):96%ee (HPLC conditions:
Chiralcel OZ-H column, n-hexane/i-PrOH=90/10,0.5mL/min, λ=214nm, tR(major)=
23.7min,tR(minor)=50.9min);[α]D 20=-87.5 (c=1.03, CHCl3);1H NMR(300MHz,CDCl3)δ
7.92 (d, J=7.2Hz, 2H, ArH), 7.85 (d, J=7.2 Hz, 2H, ArH), 7.64 (t, J=7.5Hz, 2H, ArH),
7.57-7.42 (m, 4H, ArH), 5.51-5.40 (m, 1H ,=CH), 5.12 (td, J1=6.2Hz, J2=1.7Hz, 1H ,=
), CH 4.67 (d, J=1.2Hz, 1H, CH), 3.09-2.96 (m, 1H, CH), 2.01-1.73 (m, 3H, CH2and CH),
1.72-1.52(m,5H,5H from Cy),1.46-0.90(m,13H,5H from Cy and CH2× 4), 0.86 (t, J=
6.9Hz,3H,CH3);13C NMR(75MHz,CDCl3)δ202.7,140.1,138.4,134.2,134.0,129.1,128.9,
128.74, 128.70,98.7,92.7,87.4,40.4,36.8,32.8,31.4,29.8,28.4,28.1,25.72,25.66,
22.3, 13.8;IR(neat)ν(cm-1)3066,2924,2852,1960,1584,1478,1463,1448,1334,1312,
1291,1158,1079;MS (70ev, EI) m/z (%) 514 (M+,1.46),77(100);HRMS calcd.for C29H38O4S2
[M+]:514.2212,found:514.2216.
Embodiment 2
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(R)-L5a(0.0709
g,0.06mmol),K2CO3(0.2762g,2mmol),NMP(5mL),(Ra*,S*)-1b(0.3330g,1 mmol)/NMP(5mL)
Reacted 12 hours with bis (phenylsulfonyl) methane (2a) (0.6105g, 2mmol).Rapid column chromatography (eluent:
Petroleum ether (30~60 DEG C)/ethyl acetate=8/1) obtain the chiral connection ene product (R of oilya, S) and -3ba (0.3990g, 70%):
98%ee (HPLC conditions:Chiralcel OZ-H column, n-hexane/i-PrOH=90/10,1.0mL/
Min, λ=214nm, tR(major)=21.5min, tR(minor)=48.7min);[α]D 20=-78.5 (c=0.995,
CHCl3);1H NMR(300MHz,CDCl3) δ 7.94 (d, J=7.5Hz, 2H, ArH), 7.88 (d, J=7.2Hz, 2H, ArH),
7.66 (t, J=7.4Hz, 2H, ArH), 7.59-7.42 (m, 4H, ArH), 5.91-5.72 (m, 1H ,=CH), 5.49-5.36
(m, 1H ,=CH), 5.12 (td, J1=6.2Hz, J2=2.0Hz, 1H ,=CH), 5.06-4.87 (m, 2H ,=CH2),4.66
(d, J=1.8Hz, 1H, CH), 3.09-2.94 (m, 1H, CH), 2.04 (q, J=7.0Hz, 2H, CH2),1.97-1.52(m,
8H,5H from Cy,CH2,and CH),1.48-0.79(m,17H,5H from Cy and CH2×6);13C NMR(75
MHz,CDCl3)δ202.8,140.3,139.0,138.5,134.3,134.1,129.3,129.0,128.9,128.8,
114.0,98.9,92.8,87.6,40.5,37.0,33.7,32.9,32.8,29.9,29.3,29.2,28.9,28.7,28.3,
25.9,25.8;IR(neat)ν(cm-1)3069,2924,2852,1962,1640,1584,1478,1463,1448, 1334,
1312,1292,1159,1080;MS (70ev, EI) m/z (%) 568 (M+,2.36),55(100); HRMS calcd.for
C33H44O4S2[M+]:568.2681,found:568.2687.
Embodiment 3
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(R)-L5a(0.0710
g,0.06mmol),K2CO3(0.2762g,2mmol),NMP(5mL),(Ra*,S*)-1c(0.2521g,1 mmol)/NMP(5mL)
Reacted 17 hours with bis (phenylsulfonyl) methane (2a) (0.6105g, 2mmol).Rapid column chromatography (eluent:
Petroleum ether (30~60 DEG C)/ethyl acetate=8/1) obtain the chiral connection ene product (R of oilya, S) and -3ca (0.3428g, 70%):
97%ee (HPLC conditions:Chiralcel OZ-H column, n-hexane/i-PrOH=80/20,1.0mL/
Min, λ=214nm, tR(major)=17.8min, tR(minor)=31.2min);[α]D 20=-65.9 (c=1.05,
CHCl3);1H NMR(300MHz,CDCl3)δ 8.01-7.83(m,4H,ArH),7.73-7.59(m,2H,ArH),7.59-7.45
(m, 4H, ArH), 5.44-5.32 (m, 1H ,=CH), 5.15 (qd, J1=6.6Hz, J2=2.1Hz, 1H ,=CH), 4.67 (d, J
=1.5Hz, 1H, CH), 3.13-3.00 (m, 1H, CH), 2.04-1.78 (m, 3H, 1H from CH2and CH2),1.77-
1.61(m, 1H,1H from CH2),1.50-1.00(m,12H,CH2×6),0.97-0.79(m,6H,CH3×2);13C NMR
(75MHz,CDCl3)δ204.0,140.1,138.6,134.3,134.1,129.4,128.93,128.92, 128.89,93.1,
91.4,87.3,40.1,31.5,31.2,30.3,28.6,28.2,28.1,22.4,22.1,13.9,13.8; IR(neat)ν
(cm-1)3066,2956,2927,2871,2857,1964,1584,1479,1466,1448,1335, 1312,1158,1080;
MS (70ev, EI) m/z (%) 488 (M+,3.62),77(100);HRMS calcd.for C27H36O4S2[M+]:488.2055,
found:488.2061.
Embodiment 4
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(R)-L5a
(0.0709g,0.06mmol),K2CO3(0.2761g,2mmol),NMP(5mL),(Ra*,S*)-1d(0.2441 g,1mmol)/
NMP (5mL) and bis (phenylsulfonyl) methane (2a) (0.6105g, 2mmol) reacts 15 hours.Rapid column chromatography
(eluent:Petroleum ether (30~60 DEG C)/ethyl acetate=6/1) obtain Solid Chiral connection ene product (Ra,S)-3da(0.2639g,
55%):98%ee (HPLC conditions:Chiralcel IC column, n-hexane/i-PrOH=92/8,1.0mL/
Min, λ=214nm, tR(major)=51.2min, tR(minor)=68.9min);[α]D 20=-233.3 (c=1.06,
CHCl3);1H NMR(300MHz,CDCl3)δ 7.99-7.78(m,4H,ArH),7.66-7.53(m,2H,ArH),7.53-7.37
(m,4H,ArH),7.34-7.13 (m,5H,ArH),6.22(dd,J1=6.5Hz, J2=2.9Hz, 1H ,=CH), 5.88 (t, J
=6.6Hz, 1H ,=CH), 4.76 (d, J=1.2Hz, 1H, CH), 3.28-3.11 (m, 1H, CH), 2.06-1.86 (m, 1H, 1H
from CH2),1.85-1.66(m,1H,1H from CH2),1.45-1.00(m,4H,CH2× 2), 0.78 (t, J=7.1Hz,
3H,CH3);13C NMR(75MHz,CDCl3)δ205.2,139.9,138.7,134.4,134.2, 133.6,129.4,129.1,
129.0,128.9,128.6,127.2,127.0,97.0,95.3,86.4,39.7,30.4, 30.3,22.1,13.8;IR
(neat)ν(cm-1)3063,3030,2957,2928,2871,1951,1597,1584, 1495,1478,1458,1447,
1332,1312,1157,1079,1025;MS (ESI) m/z (%) 498 (M+ NH4 +);HRMS calcd.for C27H32NO4S2[M
+NH4 +]:498.1767,found:498.1768.
Embodiment 5
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(R)-L5a(0.0710
g,0.06mmol),K2CO3(0.2762g,2mmol),NMP(5mL),(Ra*,S*)-1e(0.2860g,1 mmol)/NMP(5mL)
Reacted 12 hours with bis (phenylsulfonyl) methane (2a) (0.6105g, 2mmol).Rapid column chromatography (eluent:
Petroleum ether (30~60 DEG C)/ethyl acetate=7/1) obtain the chiral connection ene product (R of oilya, S) and -3ea (0.3402g, 65%):
97%ee (HPLC conditions:Chiralcel AD-H column, n-hexane/i-PrOH=95/5,0.7mL/
Min, λ=214nm, tR(major)=36.6min, tR(minor)=38.9min);[α]D 20=-219.2 (c=0.965,
CHCl3);1H NMR(300MHz,CDCl3) δ 7.91 (d, J=7.5Hz, 2H, ArH), 7.85 (d, J=7.2Hz, 2H, ArH),
7.62 (q, J=7.3Hz, 2H, ArH), 7.55-7.38 (m, 4H, ArH), 7.17 (d, J=8.1Hz, 2H, ArH), 7.11 (d, J
=8.1Hz, 2H, ArH), 6.20 (dd, J1=6.3Hz, J2=2.7Hz, 1H ,=CH), 5.85 (t, J=6.5Hz, 1H ,=
), CH 4.77 (d, J=1.2Hz, 1H, CH), 3.25-3.12 (m, 1H, CH), 2.33 (s, 3H, CH3),2.04-1.84(m,1H,
1H from CH2),1.79-1.64(m,1H,1H from CH2),1.47-0.98(m,8H,CH2× 4), 0.84 (t, J=
6.9Hz,3H,CH3);13C NMR(75MHz,CDCl3)δ204.8,139.9,138.5,137.0,134.4, 134.2,130.6,
129.5,129.3,129.2,129.0,128.9,126.9,97.0,95.2,86.4,39.7,31.5, 30.5,28.6,28.2,
22.4,21.1,13.9;IR(neat)ν(cm-1)3063,2955,2925,2856,1951, 1584,1512,1447,1332,
1312,1157,1079;MS (ESI) m/z (%) 540 (M+NH4 +); HRMS calcd.for C30H38NO4S2[M+NH4 +]:
540.2237,found:540.2236.
Embodiment 6
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0135g,0.025mmol),(R)-L5a
(0.0709g,0.06mmol),K2CO3(0.2762g,2mmol),NMP(5mL),(Ra*,S*)-1f(0.3509 g,1mmol)/
NMP (5mL) and bis (phenylsulfonyl) methane (2a) (0.6104g, 2mmol) reacts 18 hours.Rapid column chromatography
(eluent:Petroleum ether (30~60 DEG C)/ethyl acetate=7/1) obtain the chiral connection ene product (R of oilya,S)-3fa(0.3510g,
60%):97%ee (HPLC conditions:Chiralcel AD-H column, n-hexane/i-PrOH=80/20,
1.0mL/min, λ=214nm, tR(major)=20.4min, tR(minor)=25.0min);[α]D 20=-229.2 (c=
1.06,CHCl3);1H NMR(300MHz,CDCl3) δ 7.92 (d, J=7.5Hz, 2H, ArH), 7.84 (d, J=7.2Hz, 2H,
), ArH 7.70-7.58 (m, 2H, ArH), 7.57-7.37 (m, 6H, ArH), 7.15 (d, J=8.7Hz, 2H, ArH), 6.18
(dd,J1=6.5Hz, J2=2.6 Hz, 1H ,=CH), 5.89 (t, J=6.6Hz, 1H ,=CH), 4.72 (d, J=1.5Hz, 1H,
CH),3.25-3.14 (m,1H,CH),2.02-1.82(m,1H,1H from CH2),1.77-1.57(m,1H,1H from
CH2), 1.41-0.98(m,8H,CH2× 4), 0.84 (t, J=7.1Hz, 3H, CH3);13C NMR(75MHz,CDCl3) δ
205.5,139.6,138.7,134.5,134.3,132.7,131.7,129.5,129.2,129.03,129.00,128.6,
120.9,96.2,95.4,86.2,39.5,31.5,31.1,28.6,28.1,22.4,14.0;IR(neat)ν(cm-1) 3064,
2955,2926,2856,1953,1584,1488,1466,1447,1332,1312,1157,1147,1079, 1024,1010;
MS (ESI) m/z (%) 611 (M (81Br)+Na+),609(M(79Br)+Na+);HRMS calcd.for C29H35BrNO4S2[M
(79Br)+NH4 +]:604.1185,found:604.1183.
Embodiment 7
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(R)-L5a(0.0709
g,0.06mmol),K2CO3(0.2763g,2mmol),NMP(5mL),(Ra*,S*)-1g(0.3213g,1 mmol)/NMP(5mL)
Reacted 18 hours with bis (phenylsulfonyl) methane (2a) (0.6100g, 2mmol).Rapid column chromatography (eluent:
Petroleum ether (30~60 DEG C)/ethyl acetate=7/1) obtain the chiral connection ene product (R of oilya, S) and -3ga (0.3060g, 55%):
98%ee (HPLC conditions:Chiralcel IC column, n-hexane/i-PrOH=90/10,1.0mL/min,
λ=214nm, tR(major)=26.5min, tR(minor)=34.4min);[α]D 20=-214.5 (c=1.035,
CHCl3);1H NMR(300MHz,CDCl3) δ 7.91 (d, J=7.5Hz, 2H, ArH), 7.84 (d, J=7.2Hz, 2H, ArH),
7.69-7.56 (m, 2H, ArH), 7.56-7.38 (m, 4H, ArH), 7.27 (d, J=9.1Hz, 2H, ArH), 7.21 (d, J=
8.7Hz,2H,ArH), 6.19(dd,J1=6.6Hz, J2=2.7Hz, 1H ,=CH), 5.91 (t, J=6.8Hz, 1H ,=CH),
4.73 (d, J=1.5Hz, 1H, CH), 3.29-3.15 (m, 1H, CH), 2.03-1.82 (m, 1H, 1H from CH2), 1.79-
1.60(m,1H,1H from CH2),1.41-1.00(m,10H,CH2× 5), 0.86 (t, J=6.9Hz, 3H, CH3);13C NMR
(75MHz,CDCl3)δ205.4,139.5,138.7,134.5,134.3,132.7, 132.2,129.4,129.1,128.99,
128.96,128.7,128.2,96.0,95.3,86.1,39.5,31.6,31.1, 28.94,28.86,28.1,22.5,14.0;
IR(neat)ν(cm-1)3065,2955,2926,2855,1954,1584, 1491,1466,1448,1332,1312,1157,
1079,1013;MS (ESI) m/z (%) 576 (M (37Cl)+ NH4 +),574(M(35Cl)+NH4 +);HRMS calcd.for
C30H37ClNO4S2[M(35Cl)+NH4 +]: 574.1847,found:574.1847.
Embodiment 8
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(R)-L5a(0.0709
g,0.06mmol),K2CO3(0.2762g,2mmol),NMP(5mL),(Ra*,S*)-1h(0.2920g,1 mmol)/NMP(5mL)
Reacted 12 hours with fluorobis (phenylsulfonyl) methane (2b) (0.6301g, 2mmol).Rapid column chromatography (leaching
Lotion:Petroleum ether (30~60 DEG C)/ethyl acetate=8/1) obtain the chiral connection ene product (R of oilya,S)-3hb(0.4420g,
81%):97%ee (HPLC conditions:Chiralcel PC-4 column, n-hexane/i-PrOH=95/5,
1.0mL/min, λ=214nm, tR(major)=22.4min, tR(minor)=27.4min);[α]D 20=-82.8 (c=
0.97,CHCl3);1H NMR(300MHz,CDCl3) δ 7.91 (d, J=8.4Hz, 2H, ArH), 7.84 (d, J=8.4Hz, 2H,
), ArH 7.68 (t, J=7.5Hz, 2H, ArH), 7.57-7.46 (m, 4H, ArH), 5.27-5.17 (m, 1H ,=CH), 5.05
(t, J=6.2Hz, 1H ,=CH), 3.05-2.91 (m, 1H, CH), 2.41-2.24 (m, 1H, CH), 1.99-1.72 (m, 2H,
CH2), 1.72-1.40(m,6H,1H from CH2and 5H from Cy),1.39-0.96(m,12H,1H from CH2,
5H from Cy and CH2×3),0.95-0.72(m,5H,CH2and CH3);13C NMR(75MHz, CDCl3)δ205.1,
136.6,135.2,134.9,134.8,130.94,130.92,130.8,128.8,128.5,115.4 (d, J=264.0Hz),
98.0,87.7 (d, J=6.9Hz), 45.8 (d, J=16.5Hz), 36.8,32.7,32.5,31.7,29.1,28.9,28.2,
28.0 (d, J=2.7Hz), 25.9,25.8,22.5,14.0;19F NMR(282 MHz,CDCl3)(CFCl3as internal
standard at 0ppm)δ-128.6;IR(neat)ν(cm-1)3066, 2925,2853,1963,1584,1448,1348,
1313,1167,1152,1079;MS (70ev, EI) m/z (%) 547 (M++1,2.87),546(M+,1.11),125(100);
HRMS calcd.for C30H39O4S2F[M+]: 546.2274,found:546.2278.
Embodiment 9
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(R)-L5a(0.0709
g,0.06mmol),K2CO3(0.2762g,2mmol),NMP(5mL),(Ra*,S*)-1h(0.2920g,1 mmol)/NMP
(2.5mL) and diethyl malonate (2c) (0.3201g, 2mmol)/NMP (2.5mL) react 12 hours.Rapid column chromatography
(eluent:Petroleum ether (30~60 DEG C)/ether=20/1) obtain the chiral connection ene product (R of liquida,S)-3hc(0.2910g,
74%):98%ee (HPLC conditions:Chiralcel OZ-H column, n-hexane/i-PrOH=200/1,
1.2mL/min, λ=214nm, tR(major)=9.2min, tR(minor)=12.2min);[α]D 20=-41.0 (c=
1.09,CHCl3);1H NMR(300MHz,CDCl3) δ 5.20-5.05 (m, 2H ,=CH × 2), 4.28-4.07 (m, 4H, CH2×
2), 3.36 (d, J=9.0Hz, 1H, CH), 2.86-2.70 (m, 1H, CH), 2.02-1.85 (m, 1H, CH), 1.82-1.56 (m,
5H,5H from Cy), 1.54-0.96(m,23H,5H from Cy,CH2×6,and CH3× 2), 0.88 (t, J=6.6Hz,
3H,CH3);13C NMR(75MHz,CDCl3)δ202.4,168.4,168.1,98.4,92.3,61.0,60.9,56.9,38.9,
37.2,32.9,32.8,32.7,31.6,29.2,29.0,26.7,25.93,25.88,25.86,22.5,13.9;IR(neat)
ν(cm-1)2926,2853,1961,1755,1736,1732,1464,1448,1368,1303,1247,1174, 1155,1035;
MS (70ev, EI) m/z (%) 392 (M+,17.60),134(100);HRMS calcd.for C24H40O4[M+]:392.2927,
found:392.2924.
Embodiment 10 (gram level scale reaction)
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0533g,0.1mmol),(R)-L5a(0.2830g,
0.24mmol),K2CO3(1.1039g,8mmol),NMP(20mL),(Ra*,S*)-1h(1.1678g,4 mmol)/NMP(10mL)
Reacted 15 hours with diethyl malonate (2c) (1.2802g, 8mmol)/NMP (10mL).Rapid column chromatography (eluent:
Petroleum ether (60~90 DEG C)/ether=20/1) obtain the chiral connection ene product (R of liquida, S) and -3hc (1.0847g, 69%):98%ee
(HPLC conditions:Chiralcel OZ-H column, n-hexane/i-PrOH=200/1,1.2mL/min, λ=
214nm,tR(major)=12.9min, tR(minor)=18.9min);[α]D 20=-42.0 (c=0.99, CHCl3);1H
NMR(300MHz,CDCl3) δ 5.19-5.06 (m, 2H ,=CH × 2), 4.27-4.07 (m, 4H, CH2× 2), 3.36 (d, J=
9.3Hz,1H, CH),2.86-2.71(m,1H,CH),2.01-1.86(m,1H,CH),1.80-1.56(m,5H,5H from
Cy), 1.54-0.97(m,23H,5H from Cy,CH2×6,and CH3× 2), 0.88 (t, J=6.6Hz, 3H, CH3);13C
NMR(75MHz,CDCl3)δ202.4,168.4,168.2,98.5,92.4,61.1,61.0,56.9,38.9, 37.3,33.0,
32.9,32.7,31.7,29.3,29.1,26.7,26.0,25.92,25.90,22.5,13.9.
Embodiment 11
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(R)-L5a(0.0710
g,0.06mmol),K2CO3(0.2761g,2mmol),NMP(5mL),(Ra*,S*)-1i(0.2947g,1 mmol)/NMP
(2.5mL), diethyl malonate (2c) (0.3204g, 2mmol)/NMP (2.5mL) react 16 hours.Rapid column chromatography
(eluent:Petroleum ether (60~90 DEG C)/ether=20/1) obtain the chiral connection ene product (R of liquida,S)-3ic(0.3155g,
80%):98%ee (HPLC conditions:Chiralcel IC column, n-hexane/i-PrOH=200/1,
1.0mL/min, λ=214nm, tR(major)=8.9min, tR(minor)=9.4min);[α]D 20=-34.0 (c=
1.035,CHCl3);1H NMR(300MHz,CDCl3) δ 5.18-5.04 (m, 2H ,=CH × 2), 4.29-4.08 (m, 4H, CH2
× 2), 3.36 (d, J=9.3Hz, 1H, CH), 2.85-2.70 (m, 1H, CH), 2.04-1.89 (m, 2H, CH2),1.53-1.17
(m,26H,CH2×10and CH3×2),0.94-0.81(m,6H,CH3×2);13C NMR(75MHz,CDCl3)δ203.8,
168.5, 168.3,92.5,91.5,61.2,61.0,57.1,39.0,32.6,31.8,31.7,29.3,29.11,29.08,
28.9, 26.8,22.6,22.5,14.03,13.98;IR(neat)ν(cm-1)2927,2856,1963,1735,1463,1370,
1301,1249,1154,1034;MS (70ev, EI) m/z (%) 394 (M+,16.74),43(100);HRMS calcd.for
C24H42O4[M+]:394.3083,found:394.3087.
Embodiment 12
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(R)-L5a(0.0709
g,0.06mmol),K2CO3(0.2763g,2mmol),NMP(5mL),(Ra*,S*)-1b(0.3329g,1 mmol)/NMP
(2.5mL) and diethyl malonate (2c) (0.3201g, 2mmol)/NMP (2.5mL) react 15 hours.Rapid column chromatography
(eluent:Petroleum ether (60~90 DEG C)/ether=50/1) obtain the chiral connection ene product (R of liquida,S)-3bc(0.3032g,
70%):98%ee (HPLC conditions:Chiralcel PC-2 column, n-hexane/i-PrOH=250/1,
1.0mL/min, λ=214nm, tR(major)=9.6min, tR(minor)=16.5min);[α]D 20=-35.5 (c=
1.03,CHCl3);1H NMR(300MHz,CDCl3) δ 5.89-5.72 (m, 1H ,=CH), 5.19-5.06 (m, 2H ,=CH ×
2), 5.04-4.88 (m, 2H ,=CH2), 4.27-4.08(m,4H,CH2× 2), 3.35 (d, J=9.3Hz, 1H, CH), 2.86-
2.70 (m, 1H, CH), 2.03 (q, J=7.0Hz, 2H, CH2),1.99-1.85(m,1H,CH),1.79-1.56(m,5H,five
proton from Cy),1.52-0.97(m,25H,five proton from Cy,CH3×2,and CH2×7);13C NMR
(75MHz,CDCl3)δ202.4,168.5,168.2,139.0,114.0,98.5,92.4,61.1,61.0,57.0, 38.9,
37.3,33.7,33.0,32.9,32.7,29.4,29.34,29.30,29.0,28.8,26.7,26.0,25.95, 25.92,
14.0;IR(neat)ν(cm-1)3076,2979,2925,2853,1961,1755,1736,1640,1464, 1448,1368,
1303,1243,1175,1154,1096,1035;MS (70ev, EI) m/z (%) 432 (M+, 20.74),134(100);HRMS
calcd.for C27H44O4[M+]:432.3240,found:432.3241.
Embodiment 13
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(R)-L5a(0.0707
g,0.06mmol),K2CO3(0.2762g,2mmol),NMP(5mL),(Ra*,S*)-1j(0.3952g,1 mmol)/NMP
(2.5mL) and diethyl malonate (2c) (0.3200g, 2mmol)/NMP (2.5mL) react 14 hours.Rapid column chromatography
(eluent:Petroleum ether (60~90 DEG C)/ether=20/1) obtain the chiral connection ene product (R of liquida,S)-3jc(0.3861g,
78%):97%ee (HPLC conditions:Chiralcel IC column, n-hexane/i-PrOH=200/1,
1.0mL/min, λ=214nm, tR(major)=8.9min, tR(minor)=7.6min);[α]D 20=-33.9 (c=1.02,
CHCl3);1H NMR(300MHz,CDCl3) δ 5.13-5.00 (m, 2H ,=CH × 2), 4.23-4.02 (m, 4H, CH2×2),
3.53 (t, J=6.6Hz, 2H, CH2), 3.30 (d, J=9.3Hz, 1H, CH), 2.80-2.65 (m, 1H, CH), 1.96-1.78
(m,1H,CH),1.76-1.51(m, 5H,5H from Cy),1.51-0.89(m,19H,5H from Cy,CH2×4,and
CH3×2),0.83(s,9H, CH3×3),-0.01(s,6H,CH3×2);13C NMR(75MHz,CDCl3)δ202.4,168.4,
168.1, 98.5,92.3,63.0,61.1,61.0,56.9,38.9,37.2,32.93,32.86,32.7,32.6,26.6,
26.0, 25.91,25.88,25.8,25.6,18.2,14.0,-5.4;IR(neat)ν(cm-1)2928,2855,1961,1755,
1737,1733,1463,1448,1389,1368,1254,1175,1098,1035;MS (70ev, EI) m/z (%) 494 (M+,
4.42),217(100);HRMS calcd.for C28H50O5Si[M+]:494.3428,found: 494.3432.
Embodiment 14
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(R)-L5a(0.0709
g,0.06mmol),K2CO3(0.2762g,2mmol),NMP(5mL),(Ra*,S*)-1k(0.3221g,1 mmol)/NMP
(2.5mL), diethyl malonate (2c) (0.3203g, 2mmol)/NMP (2.5mL) react 20 hours.Rapid column chromatography
(eluent:Petroleum ether (60~90 DEG C)/ether=10/1) obtain the chiral connection ene product (R of liquida,S)-3kc(0.3252g,
77%):98%ee (HPLC conditions:Chiralcel IC column, n-hexane/i-PrOH=97/3,
1.0mL/min, λ=214nm, tR(major)=24.4min, tR(minor)=30.3min);[α]D 20=-41.1 (c=
1.05,CHCl3);1H NMR(300MHz,CDCl3) δ 5.17-5.07 (m, 2H ,=CH × 2), 4.27-4.10 (m, 4H, CH2×
2), 4.04 (t, J=6.6Hz, 2H, CH2), 3.35 (d, J=9.0Hz, 1H, CH), 2.85-2.71 (m, 1H, CH), 2.04 (s,
3H,CH3),2.00-1.86(m,1H, CH),1.80-1.54(m,7H,5H from Cy and CH2),1.54-0.92(m,
17H,5H from Cy,CH2×3,and CH3×2);13C NMR(75MHz,CDCl3)δ202.4,171.0,168.3,168.1,
98.5, 92.1,64.3,61.1,61.0,56.8,38.8,37.2,32.9,32.8,32.5,28.3,26.4,25.92,
25.87,25.8, 25.6,20.8,13.9;IR(neat)ν(cm-1)2979,2927,2853,1960,1738,1732,1464,
1448, 1388,1367,1303,1239,1175,1155,1096,1034;MS (70ev, EI) m/z (%) 423 (M++1,
5.29),422(M+,4.09),43(100);HRMS calcd.for C24H38O6[M+]:422.2668,found:
422.2665.
Embodiment 15
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0135g,0.025mmol),(R)-L5a(0.0709
g,0.06mmol),K2CO3(0.2763g,2mmol),NMP(5mL),(Ra*,S*)-1l(0.2775g,1 mmol)/NMP
(2.5mL) and diethyl malonate (2c) (0.3201g, 2mmol)/NMP (2.5mL) react 17 hours.Rapid column chromatography
(eluent:Petroleum ether (30~60 DEG C)/ether=20/1) obtain the chiral connection ene product (R of liquida,S)-3lc(0.2951g,
78%):>99%ee (SFC conditions:Chiralcel IE column, n-hexane/i-PrOH=97/3,
1.3mL/min, λ=214nm, tR(major)=13.5min, tR(minor)=14.4min);[α]D 20=-35.4 (c=
0.98,CHCl3);1HNMR(300MHz,CDCl3) δ 5.19 (t, 1H, J=7.1Hz ,=CH), 4.96 (t, J=7.7Hz, 1H,
=CH), 4.30-4.10 (m, 4H, CH2× 2), 3.36 (d, J=9.3Hz, 1H, CH), 2.87-2.70 (m, 1H, CH), 1.52-
1.12(m,23H,CH,CH2×8,and CH3× 2), 0.88 (t, J=6.6Hz, 3H, CH3),0.73-0.63(m,2H,CH2),
0.38-0.28(m,2H, CH2);13C NMR(75MHz,CDCl3)δ203.3,168.4,168.2,96.7,93.3,61.1,
61.0,57.0, 39.2,32.6,31.8,29.4,29.3,29.2,26.8,22.6,14.0,9.5,6.6,6.5;IR(neat)ν
(cm-1) 3082,2980,2956,2926,2855,1961,1755,1737,1465,1447,1368,1301,1244,1175,
1154,1096,1034;MS (70ev, EI) m/z (%) 378 (M+,1.63),93(100);HRMS calcd.for C23H38O4[M+]:378.2770,found:378.2773.
Embodiment 16
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(R)-L5a(0.0708
g,0.06mmol),K2CO3(0.2763g,2mmol),NMP(5mL),(Ra*,S*)-1m(0.3423g,1 mmol)/NMP
(2.5mL) and diethyl malonate (2c) (0.3204g, 2mmol)/NMP (2.5mL) react 16 hours.Rapid column chromatography
(eluent:Petroleum ether (60~90 DEG C)/ether=20/1) obtain the chiral connection ene product afforded (R of liquida,S)-3mc
(0.3669g, 83%):96%ee (HPLC conditions:Chiralcel IC column, n-hexane/i-PrOH=
200/1,0.6mL/min, λ=214nm, tR(major)=16.3min, tR(minor)=17.8min);[α]D 20=-43.1
(c=1.005, CHCl3);1H NMR(300MHz,CDCl3)δ 7.32-7.23(m,2H,ArH),7.22-7.13(m,3H,
), ArH 5.23-5.06 (m, 2H ,=CH × 2), 4.26-4.09 (m, 4H, CH2× 2), 3.34 (d, J=9.0Hz, 1H, CH),
2.86-2.64(m,3H,CH and CH2),2.36-2.21(m,2H,CH2),1.50-1.15(m,22H,CH2×8and CH3×
2), 0.88 (t, J=6.8Hz, 3H, CH3);13C NMR(75MHz,CDCl3)δ203.9,168.4,168.2,141.6,
128.4, 128.2,125.8,92.0,91.7,61.2,61.1,57.0,39.0,35.4,32.6,31.8,30.6,29.5,
29.4,29.2, 26.8,22.6,14.0;IR(neat)ν(cm-1)2926,2855,1963,1734,1457,1370,1301,
1243, 1153,1033;MS (70ev, EI) m/z (%) 443 (M++1,24.93),442(M+,5.11),282 (100);HRMS
calcd.for C28H42O4[M+]:442.3083,found:442.3081.
Embodiment 17
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0133g,0.025mmol),(S)-L5a(0.0707
g,0.06mmol),K2CO3(0.2761g,2mmol),NMP(5mL),(Ra*,S*)-1h(0.2917g,1 mmol)/NMP(5mL)
Reacted 12 hours with fluorobis (phenylsulfonyl) methane (2b) (0.6295g, 2mmol).Rapid column chromatography (leaching
Lotion:Petroleum ether (60~90 DEG C)/ethyl acetate=8/1) obtain the chiral connection ene product (S of oilya,R)-3hb(0.4261g,
78%):97%ee (HPLC conditions:Chiralcel PC-4 column, n-hexane/i-PrOH=95/5,
1.0mL/min, λ=214nm, tR(major)=22.6min, tR(minor)=19.3min);[α]D 20=+82.0 (c=
1.03,CHCl3);1H NMR(300MHz,CDCl3) δ 7.92 (d, J=8.4Hz, 2H, ArH), 7.84 (d, J=8.4Hz, 2H,
), ArH 7.68 (t, J=7.5Hz, 2H, ArH), 7.60-7.43 (m, 4H, ArH), 5.26-5.17 (m, 1H ,=CH), 5.05
(t, J=6.3Hz, 1H ,=CH), 3.06-2.90 (m, 1H, CH), 2.42-2.25 (m, 1H, CH), 1.99-1.72 (m, 2H,
CH2),1.69-1.39(m, 6H,1H from CH2and 5H from Cy),1.40-0.96(m,12H,1H from CH2,5H
from Cy and CH2×3),0.95-0.71(m,5H,CH2and CH3);13C NMR(75MHz,CDCl3)δ205.2,
136.7,135.3,134.9,134.8,131.0,130.9,128.8,128.5,115.5 (d, J=264.8Hz), 98.0,
87.7 (d, J=6.9Hz), 45.8 (d, J=16.6Hz), 36.9,32.7,32.5,31.7,29.1,28.9,28.3,28.1
(d, J=2.8Hz), 25.89,25.86,22.5,14.0;19F NMR(282MHz,CDCl3)δ-128.5; IR(neat)ν(cm-1)3066,2925,2853,1963,1584,1463,1448,1348,1313,1290,1167, 1152,1079;MS(70ev,
EI the) (M of m/z (%) 547++1,2.36),546(M+,1.05),125(100); HRMS calcd.for C30H39O4S2F[M+]:
546.2274,found:546.2276.
Embodiment 18
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(S)-L5a(0.0709g,
0.06mmol),K2CO3(0.2762g,2mmol),NMP(5mL),(Ra*,S*)-1h(0.2921g,1 mmol)/NMP(2.5mL)
Reacted 12 hours with diethyl malonate (2c) (0.3203g, 2mmol)/NMP (2.5mL).Rapid column chromatography (eluent:
Petroleum ether (30~60 DEG C)/ether=20/1) obtain the chiral connection ene product (S of liquida, R) and -3hc (0.2865g, 73%):99%ee
(HPLC conditions:Chiralcel OZ-H column, n-hexane/i-PrOH=200/1,1.2mL/min, λ=
214nm,tR(major)=8.1min, tR(minor)=5.6min);[α]D 20=+42.0 (c=0.96, CHCl3);1H NMR
(300MHz,CDCl3) δ 5.21-5.05 (m, 2H ,=CH × 2), 4.28-4.08 (m, 4H, CH2× 2), 3.36 (d, J=9.3Hz,
1H, CH),2.86-2.69(m,1H,CH),2.01-1.85(m,1H,CH),1.80-1.55(m,5H,5H from Cy),
1.55-0.97(m,23H,5H from Cy,CH2×6,and CH3× 2), 0.88 (t, J=6.6Hz, 3H, CH3);13C NMR
(75MHz,CDCl3)δ202.5,168.4,168.2,98.5,92.4,61.1,61.0,57.0,38.9, 37.3,33.0,
32.9,32.7,31.7,29.3,29.1,26.7,26.0,25.94,25.91,22.5,14.0;IR(neat)ν (cm-1)2926,
2853,1961,1755,1738,1732,1464,1448,1368,1303,1247,1177, 1155,1114,1096,1035;
MS (70ev, EI) m/z (%) 392 (M+,19.01),134(100);HRMS calcd.for C24H40O4[M+]:392.2927,
found:392.2929.
Embodiment 19
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0133g,0.025mmol),(S)-L5a(0.0708g,
0.06mmol),K2CO3(0.2762g,2mmol),NMP(5mL),(Ra*,S*)-1i(0.2943g,1 mmol)/NMP(2.5mL)
Reacted 16 hours with diethyl malonate (2c) (0.3202g, 2mmol)/NMP (2.5mL).Rapid column chromatography (eluent:
Petroleum ether (60~90 DEG C)/ether=20/1) obtain the chiral connection ene product (S of liquida, R) and -3ic (0.3083g, 78%):97%ee
(HPLC conditions:Chiralcel IC column, n-hexane/i-PrOH=200/1,1.0mL/min, λ=
214nm,tR(major)=9.5min, tR(minor)=8.6min);[α]D 20=+34.2 (c=1.03, CHCl3);1H NMR
(300MHz,CDCl3) δ 5.18-5.03 (m, 2H ,=CH × 2), 4.29-4.08 (m, 4H, CH2× 2), 3.36 (d, J=
9.0Hz,1H,CH), 2.86-2.69(m,1H,CH),2.04-1.88(m,2H,CH2),1.52-1.15(m,26H,CH2×
10and CH3×2),0.95-0.78(m,6H,CH3×2);13C NMR(75MHz,CDCl3)δ203.8,168.5, 168.3,
92.6,91.4,61.2,61.1,57.1,39.0,32.6,31.8,31.7,29.3,29.1,28.9,26.8,22.6, 22.5,
14.03,13.99;IR(neat)ν(cm-1)2927,2856,1963,1735,1463,1370,1301, 1250,1155,1034;
MS (70ev, EI) m/z (%) 394 (M+,20.98),43(100);HRMS calcd. for C24H42O4[M+]:394.3083,
found:394.3082.
Embodiment 20
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(S)-L5a(0.0708g,
0.06mmol),K2CO3(0.2761g,2mmol),NMP(5mL),(Ra*,S*)-1j(0.3948g,1 mmol)/NMP(2.5mL)
Reacted 14 hours with diethyl malonate (2c) (0.3202g, 2mmol)/NMP (2.5mL).Rapid column chromatography (eluent:
Petroleum ether (60~90 DEG C)/ether=20/1) obtain the chiral connection ene product (S of liquida, R) and -3jc (0.3710g, 75%):97%ee
(HPLC conditions:Chiralcel IC column, n-hexane/i-PrOH=200/1,1.0mL/min, λ=
214nm,tR(major)=8.3min, tR(minor)=9.1min);[α]D 20=+32.7 (c=1.04, CHCl3);1H NMR
(300MHz,CDCl3) δ 5.14-5.01 (m, 2H ,=CH × 2), 4.21-4.04 (m, 4H, CH2× 2), 3.54 (t, J=
6.6Hz,2H,CH2), 3.31 (d, J=9.0Hz, 1H, CH), 2.81-2.65 (m, 1H, CH), 1.95-1.80 (m, 1H, CH),
1.75-1.52(m, 5H,5H from Cy),1.52-0.91(m,19H,5H from Cy,CH2×4,and CH3×2),0.84
(s,9H, CH3×3),-0.01(s,6H,CH3×2);13C NMR(75MHz,CDCl3)δ202.5,168.4,168.1, 98.5,
92.3,63.0,61.1,61.0,56.9,38.9,37.3,33.0,32.9,32.74,32.66,26.6,26.0, 25.93,
25.89,25.8,25.6,18.2,14.0,-5.4;IR(neat)ν(cm-1)2928,2855,1961,1755, 1737,1463,
1448,1368,1303,1254,1175,1153,1098,1035;MS (70ev, EI) m/z (%) 494 (M+,3.52),217
(100);HRMS calcd.for C28H50O5Si[M+]:494.3428,found: 494.3423.
Embodiment 21
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(S)-L5a(0.0710
g,0.06mmol),K2CO3(0.2763g,2mmol),NMP(5mL),(Ra*,S*)-1k(0.3220g,1 mmol)/NMP
(2.5mL) and diethyl malonate (2c) (0.3203g, 2mmol)/NMP (2.5mL) react 20 hours.Rapid column chromatography
(eluent:Petroleum ether (60~90 DEG C)/ether=10/1) obtain the chiral connection ene product (S of liquida,R)-3kc(0.3172g,
75%):98%ee (HPLC conditions:Chiralcel IC column, n-hexane/i-PrOH=97/3,
1.0mL/min, λ=214nm, tR(major)=27.9min, tR(minor)=23.9min);[α]D 20=+41.1 (c=
1.005,CHCl3);1H NMR(300MHz,CDCl3) δ 5.19-5.05 (m, 2H ,=CH × 2), 4.29-4.09 (m, 4H, CH2
× 2), 4.04 (t, J=6.6Hz, 2H, CH2), 3.35 (d, J=9.0Hz, 1H, CH), 2.87-2.69 (m, 1H, CH), 2.04
(s,3H,CH3), 2.00-1.85(m,1H,CH),1.80-1.54(m,7H,5H from Cy and CH2),1.54-0.93(m,
17H, 5H from Cy,CH2×3,and CH3×2);13C NMR(75MHz,CDCl3)δ202.5,171.0, 168.3,
168.1,98.5,92.1,64.3,61.1,61.0,56.9,38.9,37.2,32.9,32.8,32.5,28.4,26.4,
25.93,25.88,25.85,25.6,20.8,13.9;IR(neat)ν(cm-1)2979,2927,2853,1960,1738,
1732,1464,1448,1388,1367,1303,1239,1175,1155,1096,1034;MS (70ev, EI) m/z (%) 423
(M++1,7.81),422(M+,7.36),43(100);HRMS calcd.for C24H38O6 [M+]:422.2668,found:
422.2672.
Embodiment 22
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(S)-L5a(0.0707g,
0.06mmol),K2CO3(0.2763g,2mmol),NMP(5mL),(Ra*,S*)-1m(0.3424g,1 mmol)/NMP(2.5mL)
Reacted 16 hours with diethyl malonate (2c) (0.3203g, 2mmol)/NMP (2.5mL).Rapid column chromatography (eluent:
Petroleum ether (60~90 DEG C)/ether=20/1) obtain the chiral connection ene product (S of liquida, R) and -3mc (0.3587g, 81%):98%ee
(HPLC conditions:Chiralcel IC column, n-hexane/i-PrOH=200/1,0.6mL/min, λ=
214nm,tR(major)=17.7min, tR(minor)=16.2min);[α]D 20=+43.6 (c=1.035, CHCl3);1H
NMR(300MHz,CDCl3) δ 7.32-7.22 (m, 2H, ArH), 7.22-7.13 (m, 3H, ArH), 5.23-5.06 (m, 2H ,=
CH×2), 4.27-4.08(m,4H,CH2× 2), 3.34 (d, J=8.7Hz, 1H, CH), 2.86-2.63 (m, 3H, CH and
CH2),2.38-2.19(m,2H,CH2),1.52-1.15(m,22H,CH2×8and CH3× 2), 0.88 (t, J=6.9Hz,
3H,CH3);13C NMR(75MHz,CDCl3)δ203.9,168.4,168.2,141.6,128.3, 128.2,125.8,92.0,
91.7,61.1,61.0,56.9,39.0,35.4,32.6,31.8,30.6,29.5,29.4,29.2, 26.8,22.6,14.0;
IR(neat)ν(cm-1)2926,2855,1963,1733,1603,1495,1456,1369, 1301,1245,1153,1033;MS
(the M of (70ev, EI) m/z (%) 443++1,12.09),442(M+,2.82), 282(100),91(100);HRMS calcd.for
C28H42O4[M+]:442.3083,found:442.3084.
Embodiment 23
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0133g,0.025mmol),(R)-L5a(0.0709
g,0.06mmol),K2CO3(0.2761g,2mmol),NMP(5mL),(Ra*,S*)-1n(0.3360g,1 mmol)/NMP(5mL)
Reacted 36 hours with bis (phenylsulfonyl) methane (2a) (0.6044g, 1mmol).Rapid column chromatography (eluent:
Petroleum ether (60~90 DEG C)/ethyl acetate=8/1) obtain the chiral connection ene product (R of oilya, S) and -3na (0.3151g, 55%):
97%ee (HPLC conditions:Chiralcel OZ-H column, n-hexane/i-PrOH=85/15,1.0mL/
Min, λ=214nm, tR(major)=9.9min, tR(minor)=17.8min);[α]D 20=-34.9 (c=0.99,
CHCl3);1H NMR(300MHz,CDCl3)δ7.97-7.85 (m,4H,ArH),7.70-7.59(m,2H,ArH),7.58-7.45
(m, 4H, ArH), 5.35-5.24 (m, 1H ,=CH), 4.67 (d, J=1.5Hz, 1H, CH), 3.08-2.94 (m, 1H, CH),
1.99-1.79(m,3H,1H from CH2and CH2),1.74-1.57(m,4H,1H from CH2and CH3),1.50-
1.00(m,22H, CH2×11),0.86-0.81(m,6H,CH3×2);13C NMR(75MHz,CDCl3)δ201.4,140.2,
138.6,134.3,134.0,129.4,128.91,128.85,101.7,90.8,87.6,40.8,33.7,31.8,31.4,
30.0,29.5,29.4,29.2,28.9,28.3,27.2,22.6,22.5,18.7,14.02,13.99;IR(neat)ν (cm-1)
3067,2925,2855,1963,1685,1584,1463,1447,1336,1311,1158,1080, 1024;MS(70ev,EI)
(the M of m/z (%) 573++1,3.04),572(M+,2.44),291(100);HRMS calcd.for C33H48O4S2[M+]:
572.2994,found:572.2994.
Embodiment 24
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(R)-L5a(0.0706
g,0.06mmol),K2CO3(0.2763g,2mmol),NMP(5mL),(Ra*,S*)-1o(0.3904g,1 mmol)/NMP(5mL)
Reacted 41 hours with bis (phenylsulfonyl) methane (2a) (0.6040g, 1mmol).Rapid column chromatography (eluent:
Petroleum ether (60~90 DEG C)/ethyl acetate=9/1) obtain the chiral connection ene product (R of oilya, S) and -3oa (0.3820g, 61%):
97%ee (HPLC conditions:Chiralcel OZ-H column, n-hexane/i-PrOH=85/15,1.0mL/
Min, λ=214nm, tR(major)=8.8min, tR(minor)=13.7min);[α]D 20=-35.7 (c=1.01,
CHCl3);1H NMR(300MHz,CDCl3)δ7.97-7.85 (m,4H,ArH),7.68-7.56(m,2H,ArH),7.56-7.42
(m, 4H, ArH), 5.90-5.72 (m, 1H ,=CH), 5.36-5.24 (m, 1H ,=CH), 5.05-4.89 (m, 2H ,=CH2),
4.67 (d, J=1.2Hz, 1H, CH), 3.07-2.95 (m, 1H, CH), 2.04 (q, J=7.0Hz, 2H, CH2),1.98-1.79
(m,3H,1H from CH2and CH2),1.74-1.58(m,4H,1H from CH2and CH3),1.45-0.99(m,26H,
CH2× 13), 0.88 (t, J=6.8Hz, 3H, CH3);13C NMR(75MHz,CDCl3)δ201.5,140.3, 139.0,138.6,
137.5,134.2,134.0.129.4,128.92,128.87,128.8,114.1,101.7,90.8, 87.6,40.8,
33.73,33.70,31.8,30.0,29.5,29.36,29.29,29.26,29.0,28.9,28.8,28.3, 27.6,22.6,
18.7,14.0;IR(neat)ν(cm-1)3070,2925,2854,1965,1640,1585,1464, 1448,1335,1312,
1158,1080;MS (70ev, EI) m/z (%) 627 (M++1,2.18),626(M+, 2.12),231(100);HRMS
calcd.for C37H54O4S2[M+]:626.3464,found:626.3461.
Embodiment 25
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(R)-L5a(0.0706
g,0.06mmol),K2CO3(0.2762g,2mmol),NMP(5mL),(Ra*,S*)-1p(0.3085g,1 mmol)/NMP
(2.5mL) and diethyl malonate (2c) (0.3201g, 2mmol)/NMP (2.5mL) react 18 hours.Rapid column chromatography
(eluent:Petroleum ether (60~90 DEG C)/ether=20/1) obtain the chiral connection ene product (R of liquida,S)-3pc(0.1840g,
45%):95%ee (HPLC conditions:Chiralcel IC column, n-hexane/i-PrOH=400/1,
0.8mL/min, λ=214nm, tR(major)=20.4min, tR(minor)=22.3min);[α]D 20=+5.4 (c=
1.07,CHCl3);1H NMR(300MHz,CDCl3) δ 5.09-4.96 (m, 1H ,=CH), 4.27-4.10 (m, 4H, CH2×2),
3.35 (d, J=9.6Hz, 1H, CH), 2.83-2.67 (m, 1H, CH), 2.01-1.80 (m, 2H, CH2), 1.63 (d, J=
2.7Hz,3H,CH3),1.51-1.15(m, 26H,CH2×10and CH3×2),0.94-0.81(m,6H,CH3×2);13C
NMR(75MHz,CDCl3) δ201.1,168.7,168.4,101.3,90.8,61.2,61.1,57.1,39.2,34.0,32.8,
31.8,31.6,29.52, 29.46,29.2,27.2,26.7,22.6,22.5,18.9,14.1;IR(neat)ν(cm-1)2957,
2927,2856, 1966,1757,1736,1465,1368,1302,1240,1174,1153,1035;MS(70ev,EI)m/z
(%) 408 (M+,13.57),136(100);HRMS calcd.for C25H44O4[M+]:408.3240,found:
408.3239.
Embodiment 26
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(R)-L5a(0.0710
g,0.06mmol),K2CO3(0.2763g,2mmol),NMP(5mL),(Ra*,S*)-1n(0.3362g,1 mmol)/NMP
(2.5mL) and diethyl malonate (2c) (0.3205g, 2mmol)/NMP (2.5mL) react 40 hours.Rapid column chromatography
(eluent:Petroleum ether (60~90 DEG C)/ether=30/1) obtain the chiral connection ene product (R of liquida,S)-3nc(0.2001g,
46%):99%ee (HPLC conditions:Chiralcel OZ-H column, n-hexane/i-PrOH=400/1,
1.0mL/min, λ=214nm, tR(major)=10.5min, tR(minor)=18.7min);[α]D 20=+7.1 (c=
1.015,CHCl3);1H NMR(300MHz,CDCl3) δ 5.08-4.97 (m, 1H ,=CH), 4.27-4.09 (m, 4H, CH2×
2), 3.35 (d, J=9.6Hz, 1H, CH), 2.83-2.69 (m, 1H, CH), 2.01-1.81 (m, 2H, CH2), 1.63 (d, J=
2.7Hz,3H,CH3), 1.50-1.16(m,30H,CH2×12and CH3×2),0.97-0.82(m,6H,CH3×2);13C
NMR (75MHz,CDCl3)δ201.0,168.6,168.2,101.2,90.7,61.03,60.93,57.0,39.1,33.9,
32.7,31.8,31.5,29.51,29.48,29.37,29.2,27.1,26.6,22.6,22.4,18.8,14.0;IR(neat)
ν(cm-1)2956,2926,2855,1966,1757,1737,1465,1368,1301,1239,1174,1153, 1096,1035;
MS (70ev, EI) m/z (%) 436 (M+,35.72),93(100);HRMS calcd.for C27H48O4[M+]:436.3553,
found:436.3557.
Embodiment 27
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0134g,0.025mmol),(S)-L5a(0.0709
g,0.06mmol),K2CO3(0.2762g,2mmol),NMP(5mL),(Ra*,S*)-1p(0.3084g,1 mmol)/NMP
(2.5mL) and diethyl malonate (2c) (0.3201g, 2mmol)/NMP (2.5mL) react 18 hours.Rapid column chromatography
(eluent:Petroleum ether (60~90 DEG C)/ether=20/1) obtain the chiral connection ene product (S of liquida,R)-3pc(0.1798g,
44%):95%ee (HPLC conditions:Chiralcel IC column, n-hexane/i-PrOH=400/1,
0.8mL/min, λ=214nm, tR(major)=23.9min, tR(minor)=21.2min);[α]D 20=-5.3 (c=
0.94,CHCl3);1H NMR(300MHz,CDCl3) δ 5.08-4.97 (m, 1H ,=CH), 4.28-4.10 (m, 4H, CH2×2),
3.35 (d, J=9.6Hz, 1H, CH), 2.83-2.68 (m, 1H, CH), 2.00-1.81 (m, 2H, CH2), 1.63 (d, J=
3.0Hz,3H,CH3),1.54-1.15(m, 26H,CH2×10and CH3×2),0.95-0.80(m,6H,CH3×2);13C
NMR(75MHz,CDCl3) δ201.1,168.7,168.4,101.3,90.8,61.2,61.1,57.1,39.2,34.0,32.8,
31.8,31.6,29.51, 29.45,29.2,27.2,26.7,22.6,22.5,18.9,14.0;IR(neat)ν(cm-1)2957,
2927,2856, 1966,1757,1737,1465,1368,1302,1241,1174,1153,1035;MS(70ev,EI)m/z
(%) 408 (M+,12.56),136(100);HRMS calcd.for C25H44O4[M+]:408.3240,found:
408.3243.
Embodiment 28
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0027g,0.005mmol),(R)-L5a(0.0142
g,0.012mmol),K2CO3(0.0551g,0.4mmol),NMP(1mL),(Ra,S)-1h(0.0584g,0.2 mmol)/NMP
(0.5mL) and diethyl malonate (2c) (0.0642g, 0.4mmol)/NMP (0.5mL) react 12 hours.Flash column
Analyse (eluent:Petroleum ether (60~90 DEG C)/ether=20/1) obtain the chiral connection ene product (R of liquida,S)-3hc(0.0601g,
76%):99%ee (HPLC conditions:Chiralcel OZ-H column, n-hexane/i-PrOH=200/1,
1.2mL/min, λ=214nm, tR(major)=10.0min, tR(minor)=14.0min);1H NMR(300MHz,
CDCl3) δ 5.19-5.06 (m, 2H ,=CH × 2), 4.27-4.08 (m, 4H, CH2× 2), 3.35 (d, J=9.3Hz, 1H, CH),
2.86-2.71(m,1H,CH), 2.02-1.85(m,1H,CH),1.78-1.56(m,5H,5H from Cy),1.53-0.97
(m,23H,5H from Cy,CH2×6,and CH3× 2), 0.87 (t, J=6.6Hz, 3H, CH3);13C NMR(75MHz,
CDCl3) δ202.4,168.4,168.1,98.5,92.4,61.1,60.9,56.9,38.9,37.3,32.94,32.88,
32.7,31.7, 29.3,29.1,26.7,26.0,25.92,25.89,22.5,13.9.
Embodiment 29
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0027g,0.005mmol),(R)-L5a(0.0142
g,0.012mmol),K2CO3(0.0554g,0.4mmol),NMP(1mL),(Sa,R)-1h(0.0580g,0.2 mmol)/NMP
(0.5mL) and diethyl malonate (2c) (0.0637g, 0.4mmol)/NMP (0.5mL) react 12 hours.Flash column
Analyse (eluent:Petroleum ether (60~90 DEG C)/ether=20/1) obtain the chiral connection ene product (R of liquida,S)-3hc(0.0616g,
79%):98%ee (HPLC conditions:Chiralcel OZ-H column, n-hexane/i-PrOH=200/1,
1.2mL/min, λ=214nm, tR(major)=9.2min, tR(minor)=12.1min);1H NMR(300MHz,CDCl3)
δ 5.19-5.06 (m, 2H ,=CH × 2), 4.28-4.08 (m, 4H, CH2× 2), 3.36 (d, J=9.0Hz, 1H, CH), 2.85-
2.71(m,1H,CH), 2.00-1.85(m,1H,CH),1.81-1.57(m,5H,5H from Cy),1.52-0.97(m,23H,
5H from Cy,CH2×6,and CH3× 2), 0.88 (t, J=6.6Hz, 3H, CH3);13C NMR(75MHz,CDCl3) δ
202.5,168.5,168.2,98.5,92.4,61.1,61.0,57.0,39.0,37.3,33.0,32.9,32.8,31.7,
29.3,29.1,26.8,26.01,25.96,25.9,22.5,14.0.
Embodiment 30
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0135g,0.025mmol),(R)-L5a(0.0709
g,0.06mmol),K2CO3(0.2763g, 2mmol), NMP (5mL), 1f (0.3508g, 1mmol)/NMP (5mL) and bis
(phenylsulfonyl) methane (2a) (0.6103g, 2mmol) reacts 24 hours.Rapid column chromatography (eluent:Petroleum ether
(30~60 DEG C)/ethyl acetate=6/1) obtain the chiral connection ene product (R of oilya, S) and -3fa (0.1705g, 58%yield
based on(Ra*,S*)-1f,d.r.>99:1as determined by 1H NMR of isolated product):97%
ee(HPLC conditions:Chiralcel AD-H column, n-hexane/i-PrOH=80/20,1.0mL/min, λ
=214nm, tR(major)=10.7min, tR(minor)=12.4min);[α]D 20=-230.5 (c=0.99, CHCl3);1H NMR(300MHz,CDCl3)δ 7.97-7.88(m,2H,ArH),7.88-7.79(m,2H,ArH),7.71-7.57(m,2H,
), ArH 7.57-7.37 (m, 6H, ArH), 7.15 (d, J=8.1Hz, 2H, ArH), 6.18 (dd, J1=6.5Hz, J2=2.6Hz,
1H ,=CH), 5.89 (t, J=6.6Hz, 1H ,=CH), 4.72 (d, J=1.2Hz, 1H, CH), 3.28-3.14 (m, 1H,
CH),2.02-1.83(m,1H,1H from CH2),1.77-1.57(m,1H,1H from CH2),1.41-1.00 (m,8H,
CH2× 4), 0.84 (t, J=7.1Hz, 3H, CH3);13C NMR(75MHz,CDCl3)δ205.4, 139.6,138.7,134.5,
134.3,132.7,131.7,129.5,129.2,129.03,129.00,128.6,120.9, 96.2,95.4,86.2,39.5,
31.5,31.1,28.6,28.1,22.4,14.0.
Embodiment 31
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0135g,0.025mmol),(S)-L5a(0.0709g,
0.06mmol),K2CO3(0.1377g, 1mmol), NMP (5mL), 1i (0.2943g, 1mmol)/NMP (5 mL) and bis
(phenylsulfonyl) methane (2a) (0.3050g, 1mmol) reacts 18 hours.Rapid column chromatography (eluent:Petroleum ether
(30~60 DEG C)/ethyl acetate=8/1) obtain the chiral connection ene product (S of oilya, R) and -3ia (0.1301g, 50%yield
based on(Ra*,S*)-1i,d.r.>99:1as determined by 1H NMR of isolated product):95%
ee(HPLC conditions:Chiralcel OZ-H column, n-hexane/i-PrOH=90/10,1.0mL/min, λ
=214nm, tR(major)=15.6min, tR(minor)=10.2min);[α]D 20=+66.3 (c=0.98, CHCl3);1H
NMR(300MHz,CDCl3)δ 7.98-7.84(m,4H,ArH),7.70-7.59(m,2H,ArH),7.59-7.45(m,4H,
), ArH 5.44-5.33 (m, 1H ,=CH), 5.16 (qd, J1=6.6Hz, J2=2.0Hz, 1H ,=CH), 4.68 (d, J=
1.5Hz,1H, CH),3.13-3.00(m,1H,CH),2.02-1.79(m,3H,1H from CH2and CH2),1.79-1.60
(m, 1H,1H from CH2),1.46-1.00(m,18H,CH2×9),0.98-0.79(m,6H,CH3×2);13C NMR
(75MHz,CDCl3)δ203.9,140.0,138.6,134.3,134.1,129.4,128.90,128.87, 93.2,91.3,
87.1,40.0,31.6,31.5,30.3,29.1,29.01,28.97,28.6,28.4,28.1,22.5,22.4, 13.94,
13.89;IR(neat)ν(cm-1)3067,2956,2926,2856,1961,1584,1463,1448, 1335,1312,1157,
1079;MS (70ev, EI) m/z (%) 530 (M+,1.22),207(100);HRMS calcd.for C30H42O4S2[M+]:
530.2525,found:530.2524.
Embodiment 32
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0027g,0.005mmol),(R)-L1a(0.0076
g,0.012mmol),K2CO3(0.0553g,0.4mmol),(Ra*, S*) -1a (0.0555g, 0.2mmol) and bis
(phenylsulfonyl) methane (2a) (0.1235g, 0.4mmol) reacts 14 hours for 40 DEG C in DMF (2.0mL), goes smoothly
Property connection ene product (Ra, S) and -3aa (51%NMR yield, d.r.>99:1,88.6%ee), there is 35% raw material (Ra*, S*) -1a remains
It is remaining.
Embodiment 33
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0027g,0.005mmol),(S)-L2a(0.0085g,
0.012mmol),K2CO3(0.0553g,0.4mmol),(Ra*, S*) -1a (0.0555g, 0.2mmol) and bis
(phenylsulfonyl) methane (2a) (0.1233g, 0.4mmol) reacts 12 hours for 40 DEG C in DMF (2.0mL), goes smoothly
Property connection ene product (Sa, R) and -3aa (68%NMR yield, d.r.=99:2,91.0%ee).
Embodiment 34
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0027g,0.005mmol),(R)-L3a(0.0078
g,0.012mmol),K2CO3(0.0552g,0.4mmol),(Ra*, S*) -1a (0.0554g, 0.2mmol) and bis
(phenylsulfonyl) methane (2a) (0.1232g, 0.4mmol) reacts 24 hours for 40 DEG C in DMF (2.0mL), goes smoothly
Property connection ene product (Ra, S) and -3aa (59%NMR yield, d.r.>99:1,92.9%ee), there is 24% raw material (Ra*,S*)-1a
It is remaining.
Embodiment 35
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0027g,0.005mmol),(R)-L4a(0.0144
g,0.012mmol),K2CO3(0.0553g,0.4mmol),(Ra*, S*) -1a (0.0554g, 0.2mmol) and bis
(phenylsulfonyl) methane (2a) (0.1235g, 0.4mmol) reacts 37 hours for 40 DEG C in DMF (2.0mL), goes smoothly
Property connection ene product (Ra, S) and -3aa (30%NMR yield, d.r.>99:1,64.0%ee), there is 17% raw material (Ra*,S*)-1a
It is remaining.
Embodiment 36
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0027g,0.005mmol),(R)-L4b(0.0072
g,0.012mmol),K2CO3(0.0553g,0.4mmol),(Ra*, S*) -1a (0.0557g, 0.2mmol) and bis
(phenylsulfonyl) methane (2a) (0.1234g, 0.4mmol) reacts 14 hours for 40 DEG C in DMF (2.0mL), goes smoothly
Property connection ene product (Ra, S) and -3aa (53%NMR yield, d.r.>99:1,94.3%ee), there is 34% raw material (Ra*,S*)-1a
It is remaining.
Embodiment 37
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.0027g,0.005mmol),(R)-L5a(0.0142
g,0.012mmol),K2CO3(0.0553g,0.4mmol),(Ra*, S*) -1a (0.0554g, 0.2mmol) and bis
(phenylsulfonyl) methane (2a) (0.1234g, 0.4mmol) reacts 12 hours for 40 DEG C in DMF (2.0mL), goes smoothly
Property connection ene product (Ra, S) and -3aa (67%NMR yield, d.r.>99:1,94.7%ee).
Embodiment 38
Operation is the same as embodiment 1.[Pd(π-cinnamyl)Cl]2(0.005mmol),(R)-L5b(0.012mmol), K2CO3
(0.4mmol),(Ra*, S*) -1a (0.2mmol) and bis (phenylsulfonyl) methane (2a) (0.4 mmol) be in DMF
40 DEG C are reacted 13 hours in (2.0mL), obtain chiral ene product (Ra, S) and -3aa (64% NMR yield, d.r.>99:1,
94.1%ee).
To prove the practicality of the present invention, example 3 below 9~44 is to have axial chirality and center concurrently prepared by the present invention
Chirality connection ene product is used for the application for preparing other compounds.
Embodiment 39
Nitrogen protection under, sequentially added in the Schlenk reaction tubes dry toward one magnesium chips (0.2402g, 10 mmol) and
Methanol (4mL), reaction tube is placed in ice-water bath, and (R is then added at 0 DEG Ca, S) and -3hb (0.2734 g, 0.5mmol) and four
Hydrogen furans (1mL), stirring, and make its clear-cutting forestland room temperature.After 3 hours, thin-layer chromatography monitoring reaction is completed.Add into reaction tube
Enter ether (5mL) dilute reaction solution, gained mixing liquid is filtered with a short column, ether elution (10mL × 3).Filtrate is rotated dense
Contracting, residue is through rapid column chromatography (eluent:Petroleum ether (60~90 DEG C)) separate to obtain liquid chirality allenic compound (Ra,
S) -4 (0.1065g, 80%):96%ee (HPLC conditions:Chiralcel IF-3column,n-hexane,
0.5mL/min, λ=214nm, tR(major)=10.1min, tR(minor)=11.2min);[α]D 20=-42.3 (c=
0.96,CHCl3);1H NMR(300MHz,CDCl3)δ5.15(td,J1=6.2Hz, J2=2.3Hz, 1H ,=CH), 5.03 (td,
J1=6.6Hz, J2=3.0Hz, 1H ,=CH), 4.39 (ddd, J1=23.9Hz, J2=8.7Hz, J2=5.7Hz, 1H, 1H
from CH2),4.23(ddd,J1=24.0Hz, J2=8.7Hz, J2=6.0Hz, 1H, 1H from CH2), 2.49-2.24(m,
1H,CH),2.05-1.86(m,1H,CH),1.84-0.97(m,22H,CH2× 11), 0.88 (t, J=6.9Hz, 3H, CH3);13C NMR(75MHz,CDCl3) δ 202.8,98.2,91.5 (d, J=8.3Hz), 86.5 (d, J=170.3Hz), 39.9 (d, J
=18.6Hz), 37.2,33.0,31.8,30.8 (d, J=4.9Hz), 29.7,29.2,26.9,26.13,26.05,22.6,
14.1;19F NMR(282MHz,CDCl3)δ-221.2(td,J1=47.5Hz, J2=18.0Hz);IR(neat)ν(cm-1)
2924,2853,1961,1714,1450,1380, 1010;MS (70ev, EI) m/z (%) 266 (M+,8.99),168(100);
HRMS calcd.for C18H31F [M+]:266.2410,found:266.2414.
Embodiment 40
In glove box, in the Schlenk reaction tubes dry toward one add LiCl (0.0521g, 1.2mmol,
98%) H, is then once added under nitrogen protection2O (28.8 μ L, d=1.00g/mL, 0.0288g, 1.6 mmol), (Ra,S)-
3hc and DMSO (2mL).Reaction tube is placed in into one to be previously heated in 180 DEG C of oil bath, stirring reaction, thin-layer chromatography monitoring 4 is small
When after react complete.Reaction tube is proposed from oil bath, and naturally cools to room temperature, adds ether (10mL) dilute reaction solution,
Gained mixed liquor is washed (5mL × 3) with saturated common salt.Organic phase is separated, aqueous phase is extracted once again with ether (10mL).Merge
All organic phases, anhydrous sodium sulfate drying.Filtering, concentrated by rotary evaporation, residue is through rapid column chromatography (eluent:Petroleum ether (60
~90 DEG C)/ether=40/1) separate to obtain liquid chirality allenic compound (Ra, R) and -5 (0.0872g, 68%):98%ee
(determined by the corresponding reduction product(Ra,R)-8);[α]D 20=-45.7 (c=
1.055,CHCl3);1H NMR(300MHz,CDCl3) δ 5.20-5.04 (m, 2H ,=CH × 2), 4.12 (q, J=7.1Hz, 2H,
CH2), 2.62-2.45 (m, 1H, CH), 2.32 (d, J=6.9Hz, 2H, CH2),2.02-1.84 (m,1H,CH),1.84-1.54
(m,5H,5H from Cy),1.50-0.96(m,20H,5H from Cy and CH2×6and CH3), 0.88 (t, J=
6.6Hz,3H,CH3);13C NMR(75MHz,CDCl3)δ201.7, 172.8,98.6,95.0,60.1,39.8,37.2,35.4,
35.1,33.03,32.98,31.8,29.5,29.2,26.8, 26.1,26.0,22.6,14.2,14.0;IR(neat)ν(cm-1)
2925,2853,1960,1738,1463,1448, 1370,1157,1035;MS (70ev, EI) m/z (%) 320 (M+,
22.35),55(100);HRMS calcd. for C21H36O2[M+]:320.2715,found:320.2719.
Embodiment 41
Under nitrogen protection, (R is sequentially added into a Schlenk reaction tubea,S)-3hc(0.3928g,1.0mmol)
With MeOH (3mL), the NaOH aqueous solution (0.1601gNaOH is dissolved in 1.8mL water).Reaction tube then is placed in into one to be previously heated to
In 100 DEG C of oil bath, stirring reaction, thin-layer chromatography monitors reaction in 2.5 hours and completed.Reaction tube is proposed from oil bath, it is natural
Room temperature is cooled to, reaction solution PH=1 is adjusted with hydrochloric acid (concentration 1.0M).Ether extracts (10mL × 3), merges organic phase, satisfies
(20mL) is washed with salt, anhydrous sodium sulfate drying.Filtering, concentrated by rotary evaporation, residue is directly used in react in next step.
The residue obtained by acetic acid (4.0mL) dissolving previous step, under nitrogen protection, is added to another drying
In Schlenk reaction tubes, reaction tube is then placed in one and is previously heated in 120 DEG C of oil bath, stirring reaction, thin-layer chromatography prison
React and complete after surveying 41 hours.Reaction tube is proposed from oil bath, naturally cools to room temperature.Reaction solution is transferred in round-bottomed bottle,
Concentrated by rotary evaporation, residue is through rapid column chromatography (eluent:Petroleum ether (60~90 DEG C)/ethyl acetate=20/1 (400mL)~
10:1) liquid chirality allenic compound (R is separated to obtaina, R) and -6 (0.2541g, 87%):98%ee (determined by the
corresponding cyclization product(4R,5S)-7and reduction product(Ra,R)-8);
[α]D 20=-50.2 (c=1.045, CHCl3);1H NMR(300MHz,CDCl3)δ11.21(s,1H,COOH),5.22-5.03
(m, 2H ,=CH × 2), 2.63-2.44 (m, 1H, CH), 2.38 (d, J=6.9Hz, 2H, CH2),2.03-1.84(m,1H,
CH), 1.83-1.55(m,5H,5H from Cy),1.49-0.97(m,17H,5H from Cy and CH2×6),0.88
(t, J=6.6Hz, 3H, CH3);13C NMR(75MHz,CDCl3)δ201.8,179.7,98.8,94.7,39.6, 37.2,
35.3,35.1,33.01,32.95,31.8,29.5,29.2,26.8,26.1,26.0,22.6,14.0;IR(neat)ν (cm-1)
2924,2852,1961,1708,1447,1412,1288;MS (70ev, EI) m/z (%) 293 (M+, 7.92),41(100);
HRMS calcd.for C19H32O2[M+]:292.2402,found:292.2401.
Embodiment 42
In glove box, in the Schlenk reaction tubes dry toward one, Au (PPh are sequentially added3)Cl(0.0074 g,
0.015mmol) and AgOTs (0.0044g, 0.015mmol, 98%).The lower room temperature of nitrogen protection adds CHCl3(1.5mL), room
Temperature stirring 30 minutes.(R is then added under -20 DEG C of cryostatsa, R) and -6 (0.0874g, 0.3mmol) and CHCl3(1.5mL), and
Continue the stirring reaction at -20 DEG C, thin-layer chromatography reacts after monitoring 12 hours to be completed.Reaction solution is filtered with a short column, second
Ether elutes (10mL × 3), filtrate concentrated by rotary evaporation, crude product warp1H NMR analyze double bond E/Z ratios be 96:4.Through flash column
Analyse (eluent:Petroleum ether (60~90 DEG C)/ethyl acetate=30/1) separation after, obtain liquid chiral ring product (4R, 5S) -7
(0.0768g,E/Z>99:1,88%):98%ee (HPLC conditions:Chiralcel PC-4column,n-
Hexane/i-PrOH=95/5,1.0mL/min, λ=214nm, tR(major)=12.3min, tR(minor)=
13.7min);[α]D 20=+42.1 (c=1.00, CHCl3);1H NMR(300MHz,CDCl3)δ5.74(dd,J1=15.3Hz,
J2=6.6Hz, 1H ,=CH), 5.39 (ddd, J1=15.3Hz, J2=7.8Hz, J3=1.2Hz, 1H ,=CH), 4.91 (t, J
=7.2Hz, 1H, CH), 2.64-2.45 (m, 2H, CH2),2.34-2.16(m,1H,CH),2.10-1.93(m,1H, CH),
1.79-1.58(m,5H,5H from Cy),1.50-0.99(m,17H,5H from Cy and CH2× 6), 0.88 (t, J=
6.9Hz,3H,CH3);13C NMR(75MHz,CDCl3)δ176.7,141.8,121.0,83.8, 40.3,39.6,33.8,
32.5,32.4,31.6,29.39,29.37,29.0,27.4,25.9,25.7,22.5,13.9;IR (neat)ν(cm-1)2924,
2853,1778,1668,1450,1309,1165;MS (70ev, EI) m/z (%) 292 (M+,5.76),121(100);HRMS
calcd.for C19H32O2[M+]:292.2402, found:292.2401.
Embodiment 43
Under nitrogen protection, in the Schlenk reaction tubes dry toward one, LiAlH is sequentially added4(0.0392g,1.0
) and ether (4mL) mmol.(R is then added at 0 DEG Ca, R) -6 diethyl ether solution (4mL), and be kept at this temperature stirring
Reaction.Thin-layer chromatography reacts complete after monitoring 4 hours, adds water (5mL) and reaction is quenched.Gained mixed liquor is extracted with ether
(10mL × 3), merge organic phase, anhydrous sodium sulfate drying.Filtering, concentrated by rotary evaporation, residue is through rapid column chromatography (eluent:
Petroleum ether (60~90 DEG C)/ethyl acetate=10/1) separate to obtain liquid chirality allenic compound (Ra,R)-8(0.1275g,
92%):98%ee (HPLC conditions:Chiralcel OD-H column, n-hexane/i-PrOH=100/1,
1.0mL/min, λ=214nm, tR(major)=14.7min, tR(minor)=13.4min);[α]D 20=-73.0 (c=
0.985,CHCl3);1H NMR(300MHz,CDCl3) δ 5.16-5.05 (m, 1H ,=CH), 5.03-4.92 (m, 1H ,=CH),
3.79-3.62(m,2H,CH2),2.19-2.03(m,1H,CH),2.03-1.87(m,1H,CH),1.84-1.46(m, 8H,5H
from Cy and CH2and OH),1.45-0.98(m,17H,5H from Cy and CH2× 6), 0.88 (t, J=
6.6Hz,3H,CH3);13C NMR(75MHz,CDCl3)δ202.0,97.6,95.6,61.4, 37.9,37.4,36.4,35.8,
33.2,33.1,31.8,29.6,29.3,27.0,26.1,26.03,26.01,22.6,14.0; IR(neat)ν(cm-1)3364,
2925,2853,1957,1463,1448,1378,1348,1050;MS (70ev, EI) m/z (%) 279 (M+,6.92),135
(100);HRMS calcd.for C19H34O[M+]:278.2610, found:278.2614.
Embodiment 44
Under nitrogen protection, in the Schlenk reaction tubes dry toward one, (R is sequentially addeda,R)-8(0.1669g,0.6
mmol)/DCM(6mL),PPh3(0.1888g, 0.72mmol), imidazole (0.0497,0.72mmol, 99%) and I2
(0.1830g,0.72mmol).After being stirred at room temperature 1 hour, thin-layer chromatography monitoring reaction is complete.After reaction solution concentrated by rotary evaporation, through fast
Fast column chromatography (eluent:Petroleum ether (30~60 DEG C)) crude product is separated to obtain, it is directly used in and reacts in next step.
Nitrogen protection under, toward another dry Schlenk reaction tubes in, sequentially add NaH (0.0289g,
0.72mmol), DMF (1mL) and diethyl malonate (0.1932g, 1.2mmol)/DMF (1mL).It is stirred at room temperature 30 minutes
Afterwards, the crude product of previous step is dissolved in DMF (4mL), be slowly added drop-wise in 5 minutes in the reaction solution of stirring, continue room temperature
Stirring reaction.After thin-layer chromatography monitors 12 hours, reaction is complete, adds saturation NH4The Cl aqueous solution (10mL) and water (10mL) are quenched
Go out reaction.Mixed liquor is extracted (20mL × 3) with ether, merges organic phase, saturated common salt washing (10mL), anhydrous sodium sulfate is done
It is dry.Filtering, concentrated by rotary evaporation, residue is through rapid column chromatography (eluent:Petroleum ether (60~90 DEG C)/ether=20/1) separate
The chiral connection ene product (R of liquida, R) and -9 (0.2115g, 84%):96%ee (SFC conditions:Chiralcel AD-H
Column, n-hexane/i-PrOH=95/5,1.3mL/min, λ=214nm, tR(major)=7.0min, tR(minor)=
7.8min);[α]D 20=-49.3 (c=1.03, CHCl3);1H NMR(300MHz,CDCl3) δ 5.12-5.04 (m, 1H ,=
), CH 4.96-4.87 (m, 1H ,=CH), 4.29-4.10 (m, 4H, CH2× 2), 3.30 (t, J=7.7 Hz, 1H, CH), 2.10-
1.80(m,4H,CH2and CH×2),1.80-1.55(m,5H,5H from Cy), 1.51-0.96(m,25H,5H from
Cy,CH2×7,and CH3× 2), 0.88 (t, J=6.8Hz, 3H, CH3);13C NMR(75MHz,CDCl3)δ202.1,169.3,
97.3,95.3,61.0,51.9,39.2,37.3,33.1, 33.0,31.7,29.5,29.2,26.9,26.5,26.0,25.94,
25.92,22.5,13.9;IR(neat)ν(cm-1) 2925,2853,1958,1754,1737,1463,1449,1369,1336,
1300,1244,1221,1177,1150, 1097,1032;MS (70ev, EI) m/z (%) 421 (M++1,4.15),420(M+,
1.36),173(100); HRMS calcd.for C19H34O[M+]:420.3244,found:420.3240.
The protection content of the present invention is not limited to above example.Under the spirit and scope without departing substantially from inventive concept, this
Art personnel it is conceivable that change and advantage be all included in the present invention, and using appended claims as protect
Protect scope.
Claims (11)
1. a kind of method that direct construction has the high optical activity allenic compound of axial chirality and central chirality concurrently, its feature exist
In, in the presence of palladium catalyst, chiral diphosphine ligand and alkali, 2,3- connection alkenyl-functional groups compounds and formula shown in formula (1)
(2) nucleopilic reagent shown in carries out transition metal-catalyzed asymmetric connection olefination in organic solvent, and step generation is simultaneous
There is the high optical activity allenic compound of axial chirality and central chirality, course of reaction is reacted shown in formula (I) as follows:
Wherein, R1For alkyl, the alkyl with functional group, phenyl, aryl or heterocyclic radical;R2For hydrogen atom, alkyl, with official
The alkyl that can be rolled into a ball, phenyl, aryl or heterocyclic radical;R3For alkyl, the alkyl with functional group, phenyl or aryl;LG is vinegar
Acid esters, carbonic ester, phosphate, phosphite ester, sulphonic acid ester or halogen atom;R is hydrogen atom, halogen atom, alkyl, phenyl or
Person's aryl;E is drawing electron group, is one kind in ester group, sulfonyl, cyano group, acyl group;The aryl is o-, m-, contraposition has suction
The phenyl of electronics or electron substituent, the heterocyclic radical are thiophene, furans or pyridine or have electrophilic or electron substitution
Thiophene, furans or the pyridine of base.
2. direct construction according to claim 1 has the high optical activity allenic compound of axial chirality and central chirality concurrently
Method, it is characterised in that R1For C1-C20 alkyl, end carries the C1-C20 alkyl of functional group, phenyl, aryl, or heterocycle
Base;R2For hydrogen atom, C1-C20 alkyl, end carries the C1-C20 alkyl of functional group, phenyl, aryl or heterocyclic radical;R3For
C1-C20 alkyl, end carry the C1-C20 alkyl of functional group, phenyl or aryl;LG is acetate, carbonic ester, phosphate,
Or halogen atom;R is hydrogen atom, halogen atom, C1-C20 alkyl, phenyl or aryl;E is drawing electron group, is ester group, sulphur
One kind in acyl group, cyano group, acyl group;Wherein, in C1-C20 alkyl of the end with functional group, the functional group is selected from carbon-to-carbon
Double bond, the key of carbon-to-carbon three, hydroxyl, oxyl, silicon ether, ester group, acyl group, acyloxy, amide groups, sulfonic group, halogen, sulfonyl,
Carboxyl, cyano group, nitro, the amino of alkyl substitution, the amino of acyl group substitution;The aryl be it is o-, m-, contraposition have electrophilic or to
Electronics substitution phenyl, the heterocyclic radical be thiophene, furans or pyridine or have the thiophene of electrophilic or electron substituent,
Furans or pyridine, the electron-withdrawing substituent include halogen, nitro, ester group, carboxyl, acyl group, amide groups, sulfonyl, sulfonic group,
Cyano group, the electron substituent include alkyl, alkenyl, alkynyl, phenyl, oxyl, hydroxyl, amino, acyloxy, alkyl substitution
Amino, acyl group substitution amino.
3. direct construction according to claim 1 has the high optical activity allenic compound of axial chirality and central chirality concurrently
Method, it is characterised in that the described method comprises the following steps:
1) in oil bath, palladium catalyst, chiral diphosphine ligand and alkali is put into successively into dry reaction tube, reaction tube is taken
Go out, add the organic solvent of certain volume in a nitrogen atmosphere;Reaction tube is placed in the oil bath for being previously heated to 20-50 DEG C,
Stir 5-60 minutes;Wherein, the organic solvent of the certain volume refers to join alkenyl-functional groups chemical combination with 2,3- shown in formula (1)
On the basis of the dosage of thing, the dosage of the organic solvent is 0.5-10.0mL/mmol;
2) after the completion for the treatment of step 1), reaction tube is proposed from oil bath, 2, the 3- connection alkenyls shown in formula (1) are added under nitrogen atmosphere
The organic solvent of functional compounds, nucleopilic reagent and certain volume, then reaction tube is put back in oil bath and heated, stirring reaction;
Wherein, the organic solvent of the certain volume refers to the dosage with 2, the 3- connection alkenyl-functional groups compounds shown in formula (1) for base
Standard, the dosage of the organic solvent is 0.5-10.0mL/mmol;
3) after step 2) reaction completely, the ethyl acetate of certain volume is added into reaction tube, gained mixed liquor is eaten with saturation
Salt is washed 3 times, separates organic phase, and the ether of aqueous phase certain volume extracts 1 time, merges all organic phases, use anhydrous slufuric acid
Sodium is dried, and is filtered, and concentration, rapid column chromatography must have the high optical activity allenic compound of axial chirality and central chirality concurrently;Wherein,
The ethyl acetate of the certain volume refer to shown in formula (1) 2,3- connection alkenyl-functional groups compound dosage on the basis of, institute
The dosage for stating ethyl acetate is 1.0-100mL/mmol, and the ether of the certain volume refers to join alkene with 2,3- shown in formula (1)
On the basis of the dosage of base functional compounds, the dosage of the ether is 1.0-100mL/mmol.
4. direct construction according to claim 1 has the high optical activity allenic compound of axial chirality and central chirality concurrently
Method, it is characterised in that described palladium catalyst is two (cinnamyl palladium bichlorides), two (allyl palladium chlorides), four (triphenyls
Phosphine) palladium, three (dibenzalacetone) two palladium, two (dibenzalacetone) one palladium, palladium bichloride, palladium, two (triphenylphosphine) chlorine
Change palladium, two (acetonitrile) palladium bichlorides any one or more.
5. direct construction according to claim 1 has the high optical activity allenic compound of axial chirality and central chirality concurrently
Method, it is characterised in that described chiral diphosphine ligand is selected from (R)-L1~(the R)-L5 and its enantiomter of following structure
(S)-L1~(S)-L5 one or more;Wherein, Ar is phenyl, aryl or heterocyclic radical, and the aryl is o-, m-, contraposition
There are alkyl or the phenyl of oxyl substitution;The heterocyclic radical is thiophene, furans or pyridine;
6. direct construction according to claim 1 has the high optical activity allenic compound of axial chirality and central chirality concurrently
Method, it is characterised in that described chiral diphosphine ligand is selected from (R)-L5a, (R)-L5b and its enantiomter (S)-L5a,
(S) one or more in-L5b;Wherein, described (R)-L5a, (R)-L5b structure are as follows:
7. direct construction according to claim 1 has the high optical activity allenic compound of axial chirality and central chirality concurrently
Method, it is characterised in that described alkali is selected from potassium carbonate, cesium carbonate, sodium phosphate, potassium phosphate, sodium dihydrogen phosphate, potassium hydroxide,
Sodium hydroxide, tert-butyl alcohol lithium, potassium tert-butoxide, sodium tert-butoxide, any one or more in sodium hydride.
8. direct construction according to claim 1 has the high optical activity allenic compound of axial chirality and central chirality concurrently
Method, it is characterised in that described organic solvent is selected from 1-METHYLPYRROLIDONE, DMF, N, N- dimethyl
Acetamide, dimethyl sulfoxide, Isosorbide-5-Nitrae-dioxane, tetrahydrofuran, acetonitrile, ether, butyl ether, methyl tertiary butyl ether(MTBE) any one or
It is a variety of.
9. one kind has the high optical activity allenic compound of axial chirality and central chirality concurrently, it is characterised in that the following (R of its structurea,
S)-3,(Sa, R) and shown in -3:
Wherein, R1For alkyl, the alkyl with functional group, phenyl, aryl or heterocyclic radical;R2For hydrogen atom, alkyl, with official
The alkyl that can be rolled into a ball, phenyl, aryl or heterocyclic radical;R3For alkyl, the alkyl with functional group, phenyl or aryl;LG is vinegar
Acid esters, carbonic ester, phosphate, phosphite ester, sulphonic acid ester or halogen atom;R is hydrogen atom, halogen atom, alkyl, phenyl or
Person's aryl;E is drawing electron group, is one kind in ester group, sulfonyl, cyano group, acyl group;Wherein, the aryl is o-, m-, right
There is the phenyl of electrophilic or electron substituent position;The heterocyclic radical is thiophene, furans or pyridine or has electrophilic or to electricity
Thiophene, furans or the pyridine of sub- substituent.
10. the high optical activity allenic compound for having axial chirality and central chirality concurrently according to claim 8 or claim 9, it is special
Sign is, R1For C1-C20 alkyl, end carries the C1-C20 alkyl of functional group, phenyl, aryl or heterocyclic radical;R2It is former for hydrogen
Son, C1-C20 alkyl, end carry the C1-C20 alkyl of functional group, phenyl, aryl or heterocyclic radical;R3For C1-C20 alkyl,
End carries the C1-C20 alkyl of functional group, phenyl or aryl;LG is that acetate, carbonic ester, phosphate, or halogen are former
Son;R is hydrogen atom, halogen atom, C1-C20 alkyl, phenyl or aryl;E is drawing electron group, be ester group, sulfonyl, cyano group,
One kind in acyl group;Wherein, in C1-C20 alkyl of the end with functional group, the functional group is selected from carbon-to-carbon double bond, carbon-to-carbon
Three key, hydroxyl, oxyl, silicon ether, acyloxy, ester group, acyl group, amide groups, sulfonic group, halogen, sulfonyl, carboxyl, cyano group,
Nitro, the amino of alkyl substitution, the amino of acyl group substitution;The aryl is o-, m-, contraposition has electrophilic or electron substitution
Phenyl;The heterocyclic radical is thiophene, furans or pyridine or has the thiophene, furans or pyridine of electrophilic or electron substituent,
The electron-withdrawing substituent includes halogen, nitro, ester group, carboxyl, acyl group, amide groups, sulfonyl, sulfonic group, cyano group, described to give
Electron substituent group includes alkyl, alkenyl, alkynyl, phenyl, oxyl, hydroxyl, amino, acyloxy, amino, the acyl group of alkyl substitution
Substituted amino.
11. according to claim 9 or 10 have axial chirality concurrently and the high optical activity allenic compound of central chirality is being made
Standby single fluoromethylation connection alkene, γ-connection olefin(e) acid ester, γ-connection olefin(e) acid, γ-connection enol, gamma-butyrolacton containing multiple chiral centers
The application of compound.
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CN108976123A (en) * | 2018-08-06 | 2018-12-11 | 浙江大学 | A kind of high optical activity axial chirality allenic compound and its construction method |
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