CN110105212A - method for preparing β -hydroxycarbonyl compound - Google Patents

method for preparing β -hydroxycarbonyl compound Download PDF

Info

Publication number
CN110105212A
CN110105212A CN201910518611.8A CN201910518611A CN110105212A CN 110105212 A CN110105212 A CN 110105212A CN 201910518611 A CN201910518611 A CN 201910518611A CN 110105212 A CN110105212 A CN 110105212A
Authority
CN
China
Prior art keywords
alkyl
aryl
base
heteroaryl
compound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910518611.8A
Other languages
Chinese (zh)
Other versions
CN110105212B (en
Inventor
杨锦明
冯雪馨
吴振
沈志良
邱悦
胡朝俊
杨子健
王庆东
赵玉军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Tech University
Yancheng Teachers University
Original Assignee
Yancheng Jinming Pharmaceutical Co ltd
Nanjing Tech University
Yancheng Teachers University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yancheng Jinming Pharmaceutical Co ltd, Nanjing Tech University, Yancheng Teachers University filed Critical Yancheng Jinming Pharmaceutical Co ltd
Priority to CN201910518611.8A priority Critical patent/CN110105212B/en
Publication of CN110105212A publication Critical patent/CN110105212A/en
Application granted granted Critical
Publication of CN110105212B publication Critical patent/CN110105212B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C221/00Preparation of compounds containing amino groups and doubly-bound oxygen atoms bound to the same carbon skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00Preparation of carboxylic acid amides
    • C07C231/12Preparation of carboxylic acid amides by reactions not involving the formation of carboxamide groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00Preparation of carboxylic acid nitriles
    • C07C253/30Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/30Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/333Preparation 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
    • C07C67/343Preparation 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 by increase in the number of carbon atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D333/00Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/04Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
    • C07D333/06Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
    • C07D333/24Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

the present invention relates to a process for the preparation of β -hydroxycarbonyl compounds, essentially providing a process for the preparation of the corresponding β -hydroxycarbonyl compounds by the reaction of α -halocarbonyl compounds with aldehydes/ketones mediated by inexpensive commercial iron powders.

Description

A method of preparing beta-hydroxy carbonyls
Technical field
The invention belongs to chemical and medicine industry fields, are related to a kind of method for preparing beta-hydroxy carbonyls, the process yield Well, there is wide functional group tolerance and good compatibility.
Background technique
Important intermediate of the beta-hydroxy carbonyls as organic synthesis is knot generally existing in many natural products Structure unit, has a wide range of applications in synthetic organic chemistry.Especially tool has been displayed in the beta-hydroxy carbonyls containing fluorine There are many bioactivity, such as the fluoro- 3- hydroxyl propyl- of 3- (4- acetyl phenyl) -1- ((3R, 5R, 7R)-adamantane -1- base) -2,2- bis- 1- ketone, structure is as follows, after clinically relevant GABA receptor assessment, it has been determined that it is as a kind of effective GABA excitement Agent, and preliminary intra-body data is also presented in mouse being addicted to drink, the compound tend to reduce Auditory Startle reaction, this with Feature antianxity is consistent.
Organometallic reagent has had completely changed modern organic synthesis, has witnessed organometallic reagent in the past few decades The fast-developing and its extensive use in organic synthesis and material science.In the known various preparations of beta-hydroxy carbonyls In method, the Reformatsky reaction that metal mediates is a kind of effective and direct method, as metallic zinc, magnesium or suddenly mediate.
Compared to other metals, metallic iron activity is lower, is not caused in organic synthesis using ferrous metal too many Concern, especially Reformatsky reaction in, but iron be in nature it is generally the least expensive, almost the smallest metal of toxicity.
The α-halogenatedcarbonylcompounds and aldehyde/ketone that the present invention provides a kind of to be mediated using cheap business iron powder are anti- It answers, to provide corresponding beta-hydroxy carbonyls.This method reveals excellent functional group's compatibility, and the reaction is preparing medicine There is extraordinary application prospect in object, fragrance or pesticide.
Summary of the invention
The present invention provides a kind of preparation method of compound shown in Formulas I, comprising: in metallic iron and iodine or FeI2Catalytic condition Under, formula A compound reacts the step of forming compound of formula I with formula B compound,
Wherein, R1Selected from alkenyl, aryl or heteroaryl, preferably C2-4Alkenyl, C6-12Aryl or 5 yuan are to 12 unit's heteroaryls, institute Alkenyl, aryl or heteroaryl are stated optionally by selected from halogen, hydroxyl, alkyl, alkoxy, nitro, itrile group, alkyl, naphthenic base, halogenated Replaced one or more substituent groups in alkyl, halogenated cycloalkyl, heterocycle, aryl and heteroaryl;
R2Selected from hydrogen or alkyl, preferably hydrogen or C1-6Alkyl, the alkyl are optionally selected from halogen, hydroxyl, alkyl, alcoxyl One or more in base, nitro, itrile group, alkyl, naphthenic base, halogenated alkyl, halogenated cycloalkyl, heterocycle, aryl and heteroaryl Replaced a substituent group;
R3Selected from alkyl, OR' or NR'(R "), preferably C1-6Alkyl, OR' or NR'(R "), the alkyl is optionally selected from halogen One or more substituent groups in element, hydroxyl, alkoxy, nitro, itrile group, naphthenic base, heterocycle, aryl and heteroaryl are taken In generation, wherein R' or R " is independently selected from alkyl, aryl or heteroaryl, and the alkyl, aryl or heteroaryl are optionally by one or more It is a to be selected from replaced halogen, alkyl, naphthenic base, hydroxyl, nitro, itrile group, aryl or heteroaryl;
RaOr RbIt is each independently selected from hydrogen, halogen, alkyl, naphthenic base, heterocycle, preferably hydrogen, halogen, C1-6Alkyl, C3-8 Naphthenic base or 3 yuan to 8 circle heterocyclic ring bases, the alkyl, naphthenic base or heterocycle are optionally selected from alkyl, cycloalkanes by one or more Base, heterocycle, alkoxy, alkenyl, alkynyl, aryl, heteroaryl, nitro, itrile group, hydroxyl, replaced halogen, alternatively, RaOr RbWith Its adjacent carbon atom is formed together 3 yuan to 12 yuan carbocyclic rings, heterocycles, preferably 3 yuan to 8 yuan carbocyclic rings, heterocycles, and the carbocyclic ring or heterocycle are appointed Choosing is by selected from alkyl, halogen, hydroxyl, amino, oxygroup, carboxyl, nitro, cyano, alkoxy, naphthenic base, heterocycle, aryl, miscellaneous Replaced one or more substituent groups in aryl;
X is selected from chlorine, bromine, iodine.
In some embodiments, the dosage of metallic iron of the present invention and the molar ratio of formula A compound are 1:1~5:1, Non-limiting embodiment includes arbitrary value between 1:1,1:2,1:3,1:4,1:5 or two numerical value, preferably 3:1.
In other embodiments, the present invention reacts solvent for use selected from non-protonic solvent, including but not limited to second At least one of nitrile, tetrahydrofuran, toluene, isopropyl ether, methyltetrahydrofuran or methylene chloride, preferably acetonitrile.
Further, in preferred embodiments, reaction temperature be selected from 30~100 DEG C, can for 30 DEG C, 40 DEG C, 45 DEG C, Arbitrary value between 50 DEG C, 55 DEG C, 60 DEG C, 65 DEG C, 70 DEG C, 75 DEG C, 80 DEG C, 85 DEG C, 90 DEG C, 95 DEG C, 100 DEG C or both, preferably 40~80 DEG C.
On the other hand, iodine or FeI2Presence can effectively facilitate the process and yield of reaction.Further, in reaction iodine or FeI2Dosage and formula A compound molar ratio be 0.1:1~1:1, non-limiting embodiment includes 0.1:1,0.2:1,0.3: 1, arbitrary value, preferably 0.2:1~0.5:1 between 0.4:1,0.5:1,0.6:1,0.7:1,0.8:1,0.9:1,1:1 or two numerical value.
In some embodiments, heretofore described R1Selected from vinyl, phenyl, naphthalene, thiazolyl, ferrocenyl, Quinolyl, isoquinolyl, pyridyl group or pyrrole radicals, it is the vinyl, phenyl, naphthalene, thiazolyl, ferrocenyl, quinolyl, different Quinolyl, pyridyl group or pyrrole radicals are optionally selected from halogen, hydroxyl, alkyl, alkoxy, nitro, itrile group, alkane by one or more Replaced base, naphthenic base, halogenated alkyl, halogenated cycloalkyl, heterocycle, aryl and heteroaryl.
In some embodiments, heretofore described R2Selected from hydrogen, methyl, ethyl or isopropyl.
Further, in some embodiments, heretofore described RaOr RbBe each independently selected from hydrogen, fluorine, methyl or Ethyl.
Typical compound shown in Formulas I, including but not limited to:
Further, in preparation method of the present invention further include any in being filtered, washed, be concentrated, dry or purifying Step obtains the target product compound of formula I of purifying.
Another aspect of the present invention provides a kind of method for preparing drug, fragrance and pesticide, including Formulas I of the present invention The preparation method of shown compound.
For example,
Or
On the other hand, the present invention also provides the method for preparation formula II compound,
It include: the step of Formula II-A compound is reacted with Formula II-B compound under the conditions of metallic iron and catalysis of iodine,
Unless stated to the contrary, the term used in the specification and in the claims has following meanings.
" alkyl " refers to the aliphatic hydrocarbon group of saturation, straight chain and branched group including 1 to 20 carbon atom.Preferably comprise 1 To the alkyl of 12 carbon atoms, the alkyl of further preferably 1 to 6 carbon atom.Non-limiting embodiment include methyl, ethyl, N-propyl, isopropyl, normal-butyl, isobutyl group, tert-butyl, sec-butyl, n-pentyl, 1,1- dimethyl propyl, 1,2- dimethyl propylene Base, 2,2- dimethyl propyl, 1- ethyl propyl, 2- methyl butyl, 3- methyl butyl and its various branched isomers etc..Alkyl It can be substituted or unsubstituted, when substituted, substituent group can be substituted on any workable tie point, preferably For one or more following groups, independently selected from replaced aryl, heteroaryl, halogen." alkenyl " includes having 2 to 12 carbon The branch and linear alkene of atom or alkene containing aliphatic hydrocarbon group.Such as " C2-6Alkenyl " indicates there is 2,3,4,5 or 6 The alkenyl of carbon atom.The example of alkenyl includes but is not limited to, vinyl, allyl, 1- acrylic, 1- cyclobutenyl, 2- cyclobutenyl, 3- cyclobutenyl, 2- methyl but-2-ene base, 3- methyl but-1-ene base, 1- pentenyl, 3- pentenyl and 4- hexenyl.
Term " naphthenic base " refers to the unsaturated monocycle of saturation or part or polycyclic cyclic hydrocarbon substituent, cycloalkyl ring include 3 to 20 carbon atoms, preferably comprise 3 to 12 carbon atoms, more preferably include 3 to 6 carbon atoms.Monocyclic cycloalkyl it is non-limiting Example includes cyclopropyl, cyclobutyl, cyclopenta, cyclopentenyl, cyclohexyl, cyclohexenyl group, cyclohexadienyl, suberyl, cycloheptyl Trialkenyl, cyclooctyl etc.;Polycyclic naphthene base includes the naphthenic base of loop coil, condensed ring and bridged ring.
Term " heterocycle " refers to the unsaturated monocycle of saturation or part or polycyclic cyclic hydrocarbon substituent, and it includes 3 to 20 rings Atom, wherein one or more annular atoms are the hetero atom selected from nitrogen, oxygen or S (O) m (wherein m is integer 0 to 2), but are not wrapped The loop section of-O-O- ,-O-S- or-S-S- are included, remaining annular atom is carbon.3 to 12 annular atoms are preferably comprised, wherein 1~4 It is hetero atom;It more preferably include 3 to 6 annular atoms.The non-limiting example of monocyclic heterocycles base includes pyrrolidinyl, imidazolidine Base, tetrahydrofuran base, tetrahydro-thienyl, glyoxalidine base, dihydrofuryl, pyrazoline base, pyrrolin base, piperidyl, Piperazinyl, morpholinyl, thio-morpholinyl, high piperazine base etc..
Term " aryl " refers to that 6 to 14 yuan of full carbon monocycles of the pi-electron system with conjugation or fused polycycle are (namely shared The ring of adjacent carbon atoms pair) group, preferably 6 to 10 yuan, such as phenyl and naphthalene.
Aryl can be substituted or non-substituted, and when substituted, substituent group is preferably one or more following groups, It is independently selected from alkyl, alkenyl, alkynyl, alkoxy, alkylthio group, alkyl amino, halogen, sulfydryl, hydroxyl, nitro, cyano, ring Alkyl, Heterocyclylalkyl, aryl, heteroaryl, cycloalkyloxy, heterocyclylalkoxy groups, cycloalkylthio, heterocycle alkylthio group, carboxyl or carboxylic acid Ester group, preferably phenyl.
Term " heteroaryl " refers to the heteroaromatic system comprising 1 to 4 hetero atom, 5 to 14 annular atoms, and wherein hetero atom selects From oxygen, sulphur and nitrogen.Heteroaryl is preferably 5 to 12 yuan, such as imidazole radicals, furyl, thienyl, thiazolyl, pyrazolyl, oxazole Base, pyrrole radicals, tetrazole radical, pyridyl group, pyrimidine radicals, thiadiazoles, pyrazinyl etc., preferably imidazole radicals, pyrazolyl, pyrimidine radicals or thiophene Oxazolyl.Heteroaryl can be optionally replacing or non-substituted.
Term " alkoxy " refers to-O- (alkyl) and-O- (non-substituted naphthenic base), and wherein alkyl is as defined above. The non-limiting example of alkoxy includes: methoxyl group, ethyoxyl, propoxyl group, butoxy, cyclopropyl oxygroup, cyclobutoxy group, penta oxygen of ring Base, cyclohexyloxy.Alkoxy can be optionally replacing or non-substituted, and when substituted, substituent group is preferably one or more A following group, independently selected from alkyl, alkenyl, alkynyl, alkoxy, alkylthio group, alkyl amino, halogen, sulfydryl, hydroxyl, Nitro, cyano, naphthenic base, Heterocyclylalkyl, aryl, heteroaryl, cycloalkyloxy, heterocyclylalkoxy groups, cycloalkylthio, heterocycle alkane sulphur Base, carboxyl or carboxylate.
Term " halogenated alkyl " refers to the alkyl being optionally substituted by halogen, and wherein alkyl is as defined above.
Term " halogenated cycloalkyl " refers to the ring group being optionally substituted by halogen, and wherein naphthenic base is as defined above.
Term " hydroxyl " refers to-OH group.
Term " halogen " refers to fluorine, chlorine, bromine or iodine.
Term " cyano " refers to-CN.
Term " nitro " refers to-NO2
" optional " or " optionally " mean event or environment described later can with but need not occur, which includes The occasion that the event or environment occur or do not occur.For example, meaning that alkyl can be with " optionally by alkyl-substituted heterocyclic group " But necessarily exist, the explanation include heterocyclic group by alkyl-substituted situation and heterocyclic group not by alkyl-substituted situation.
" substituted " refers to one or more hydrogen atoms in group, preferably at most 5, more preferably 1~3 hydrogen atom Replaced independently of one another by the substituent group of respective number.Self-evident, substituent group is only in their possible chemical position, this Field technical staff, which can determine in the case where not paying excessive make great efforts and (pass through experiment or theoretical), may or impossible take Generation.It may be unstable when for example, amino or hydroxyl with free hydrogen are in conjunction with the carbon atom with unsaturated (such as olefinic) key Fixed.
Specific embodiment
The present invention is explained in detail below with reference to specific example, so that this hair is more fully understood in those skilled in the art Bright specific example is only used to illustrate the technical scheme of the present invention, and does not limit the present invention in any way.
Embodiment 1:
By 4- chlorobenzaldehyde (1mmol), alpha-bromo ethyl acetate (3mmol), iron powder (168mg, 3mmol), acetonitrile (2ml) And catalyst 2 is added in 10ml reaction flask, 60 DEG C of heating is stirred to react 24 hours, and 20ml ammonium chloride solution, acetic acid second is added Ester extraction, salt water washing dries, filters, and is concentrated to give compound 3a, by Isosorbide-5-Nitrae-dimethoxy benzene as internal standard compound,1HNMR inspection Survey compound 3a must be measured and calculated yield, data are as follows:
Note: silica gel column chromatography yield
Compound 3a: colorless oil;
1HNMR(400MHz,CDCl3): δ 7.63 (d, J=8.3Hz, 2H), 7.48 (d, J=8.2Hz, 2H), 5.16 (t, J =6.0Hz, 1H), 4.16 (q, J=7.1Hz, 2H), 3.72 (s, 1H), 2.69-2.67 (m, 2H), 1.24 (t, J=7.1Hz, 3H)ppm.
13C NMR(100MHz,CDCl3):δ172.2,141.5,131.5,127.4,121.5,69.6,61.0,43.1, 14.1ppm.
Embodiment 2
By 4- chlorobenzaldehyde (1mmol), alpha-bromo ethyl acetate (3mmol), iron powder (168mg, 3mmol), iodine (0.2mmol) and solvent are added in 10ml reaction flask, and 60 DEG C of heating is stirred to react 24 hours, and 20ml ammonium chloride solution is added, Ethyl acetate extraction, salt water washing dries, filters, and is concentrated to give compound 3a, by Isosorbide-5-Nitrae-dimethoxy benzene as internal standard compound,1HNMR detection compound 3a must be measured and calculated yield, and data are as follows:
Note: silica gel column chromatography yield
Embodiment 3
Respectively by aldehyde compound 1b-n (1mmol) and alpha-bromo ethyl acetate (3mmol), iron powder (168mg, 3mmol), Iodine (0.2mmol) and solvent (2ml) are added in 10ml reaction flask, and 60 DEG C of heating is stirred to react to fully reacting, and 20ml is added Ammonium chloride solution, ethyl acetate extraction, salt water washing dry, filter, are concentrated, obtain target product 3b- through silica gel chromatograph column purification N, calculates separately yield, and specific data are as follows:
Note: solvent is tetrahydrofuran
Embodiment 4
Respectively by compound 2b-g (3mmol) and 4- chlorobenzaldehyde (1mmol), iron powder (168mg, 3mmol), iodine (0.2mmol) and acetonitrile (2ml) are added in 10ml reaction flask, and 60 DEG C of heating is stirred to react to fully reacting, and 20ml chlorine is added Change ammonium salt solution, ethyl acetate extraction, salt water washing dries, filters, is concentrated, obtains target product 4b-g through silica gel chromatograph column purification, Yield is calculated separately, specific data are as follows:
Embodiment 5
Respectively by compound 5b-h (1mmol) and alpha-bromo ethyl acetate (3mmol), iron powder (168mg, 3mmol), iodine (0.2mmol) and acetonitrile (2ml) are added in 10ml reaction flask, and 60 DEG C of heating is stirred to react to fully reacting, and 20ml chlorine is added Change ammonium salt solution, ethyl acetate extraction, salt water washing dries, filters, is concentrated, obtains target product 5b-h through silica gel chromatograph column purification, Yield is calculated separately, specific data are as follows:

Claims (10)

1. a kind of preparation method of compound shown in Formulas I,
It include: in metallic iron and iodine or FeI2Under catalytic condition, formula A compound reacts to form compound of formula I with formula B compound Step,
Wherein, R1Selected from alkenyl, aryl or heteroaryl, preferably C2-4Alkenyl, C6-12Aryl or 5 yuan are to 12 unit's heteroaryls, the alkene Base, aryl or heteroaryl are optionally selected from halogen, hydroxyl, alkyl, alkoxy, nitro, itrile group, alkyl, naphthenic base, alkyl halide Replaced one or more substituent groups in base, halogenated cycloalkyl, heterocycle, aryl and heteroaryl;
R2Selected from hydrogen or alkyl, preferably hydrogen or C1-6Alkyl, the alkyl are optionally selected from halogen, hydroxyl, alkyl, alkoxy, nitre One or more substitutions in base, itrile group, alkyl, naphthenic base, halogenated alkyl, halogenated cycloalkyl, heterocycle, aryl and heteroaryl Replaced base;
R3Selected from alkyl, OR' or NR'(R "), preferably C1-6Alkyl, OR' or NR'(R "), the alkyl is optionally selected from halogen, hydroxyl Replaced one or more substituent groups in base, alkoxy, nitro, itrile group, naphthenic base, heterocycle, aryl and heteroaryl, wherein R' or R " is optionally selected from halogen by one or more independently selected from alkyl, aryl or heteroaryl, the alkyl, aryl or heteroaryl Replaced element, alkyl, naphthenic base, hydroxyl, nitro, itrile group, aryl or heteroaryl;
RaOr RbIt is each independently selected from hydrogen, halogen, alkyl, naphthenic base, heterocycle, preferably hydrogen, halogen, C1-6Alkyl, C3-8Cycloalkanes Base or 3 yuan are to 8 circle heterocyclic ring bases, and the alkyl, naphthenic base or heterocycle are optionally by one or more selected from alkyl, naphthenic base, miscellaneous Ring group, alkoxy, alkenyl, alkynyl, aryl, heteroaryl, nitro, itrile group, hydroxyl, replaced halogen, alternatively, RaOr RbWith its phase Adjacent carbon atom is formed together 3 yuan to 12 yuan carbocyclic rings, heterocycles, preferably 3 yuan to 8 yuan carbocyclic rings, heterocycles, the carbocyclic ring or heterocycle optionally quilt Selected from alkyl, halogen, hydroxyl, amino, oxygroup, carboxyl, nitro, cyano, alkoxy, naphthenic base, heterocycle, aryl, heteroaryl In one or more substituent groups replaced;
X is selected from chlorine, bromine, iodine.
2. the method as described in claim 1, wherein the dosage of the metallic iron and the molar ratio of formula A compound are 1:1~5: 1。
3. it is method according to claim 1 or 2, wherein the iodine or FeI2Dosage and formula A compound molar ratio be 0.1: 1~1:1, preferably 0.2:1~0.5:1.
4. the method according to claim 1, wherein reaction solvent for use is selected from non-protonic solvent, preferably second At least one of nitrile, tetrahydrofuran, toluene, isopropyl ether, methyltetrahydrofuran or methylene chloride.
5. method according to any of claims 1-4, wherein R1Selected from vinyl, phenyl, naphthalene, thiazolyl, ferrocene Base, quinolyl, isoquinolyl, pyridyl group or pyrrole radicals, the vinyl, phenyl, naphthalene, thiazolyl, ferrocenyl, quinoline Base, isoquinolyl, pyridyl group or pyrrole radicals are optionally selected from halogen, hydroxyl, alkyl, alkoxy, nitro, nitrile by one or more Replaced base, alkyl, naphthenic base, halogenated alkyl, halogenated cycloalkyl, heterocycle, aryl and heteroaryl.
6. the method according to claim 1 to 5, wherein R2Selected from hydrogen, methyl, ethyl or isopropyl.
7. as the method according to claim 1 to 6, wherein R3Selected from OCH3、OC2H5、NMe2Or OBn.
8. the method according to claim 1 to 7, wherein RaOr RbIt is each independently selected from hydrogen, fluorine, methyl or ethyl.
9. a kind of method for preparing drug, fragrance or pesticide, including chemical combination shown in Formulas I described in claim 1-8 any one The preparation method of object.
10. the method for preparation formula II compound,
It include: the step of Formula II-A compound is reacted with Formula II-B compound under the conditions of metallic iron and catalysis of iodine,
CN201910518611.8A 2019-06-15 2019-06-15 Method for preparing beta-hydroxycarbonyl compound Active CN110105212B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910518611.8A CN110105212B (en) 2019-06-15 2019-06-15 Method for preparing beta-hydroxycarbonyl compound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910518611.8A CN110105212B (en) 2019-06-15 2019-06-15 Method for preparing beta-hydroxycarbonyl compound

Publications (2)

Publication Number Publication Date
CN110105212A true CN110105212A (en) 2019-08-09
CN110105212B CN110105212B (en) 2022-04-01

Family

ID=67495136

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910518611.8A Active CN110105212B (en) 2019-06-15 2019-06-15 Method for preparing beta-hydroxycarbonyl compound

Country Status (1)

Country Link
CN (1) CN110105212B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112645820A (en) * 2020-12-25 2021-04-13 盐城锦明药业有限公司 Method for preparing 2-nitroalkane-1-alcohol compound and application thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009071997A2 (en) * 2007-12-06 2009-06-11 Centre National De La Recherche Scientifique (C.N.R.S.) Iron and copper catalytic systems for cross-coupling reactions
JP2011219395A (en) * 2010-04-07 2011-11-04 Kuraray Co Ltd METHOD FOR PRODUCING α,β-UNSATURATED ALDEHYDE
CN106116999A (en) * 2016-06-21 2016-11-16 南京师范大学 A kind of ferrum catalysis of carbonyl is combined to the method for two virtue ketones
CN106748690A (en) * 2016-12-13 2017-05-31 南京师范大学 A kind of iron catalysis oxidation alkene synthesizes the method for ketone

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009071997A2 (en) * 2007-12-06 2009-06-11 Centre National De La Recherche Scientifique (C.N.R.S.) Iron and copper catalytic systems for cross-coupling reactions
JP2011219395A (en) * 2010-04-07 2011-11-04 Kuraray Co Ltd METHOD FOR PRODUCING α,β-UNSATURATED ALDEHYDE
CN106116999A (en) * 2016-06-21 2016-11-16 南京师范大学 A kind of ferrum catalysis of carbonyl is combined to the method for two virtue ketones
CN106748690A (en) * 2016-12-13 2017-05-31 南京师范大学 A kind of iron catalysis oxidation alkene synthesizes the method for ketone

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MURIEL DURANDETTI ET AL.: "An Electrochemical Coupling of Organic Halide with Aldehydes, Catalytic in Chromium and Nickel Salts. The Nozaki-Hiyama-Kishi Reaction", 《ORGANIC LETTERS》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112645820A (en) * 2020-12-25 2021-04-13 盐城锦明药业有限公司 Method for preparing 2-nitroalkane-1-alcohol compound and application thereof
CN112645820B (en) * 2020-12-25 2023-02-28 盐城师范学院 Method for preparing 2-nitroalkane-1-alcohol compound and application thereof

Also Published As

Publication number Publication date
CN110105212B (en) 2022-04-01

Similar Documents

Publication Publication Date Title
Srimani et al. Direct synthesis of pyrroles by dehydrogenative coupling of β-aminoalcohols with secondary alcohols catalyzed by ruthenium pincer complexes.
Burzlaff et al. Bis (pyrazol-1-yl) acetates as tripodal “scorpionate” ligands in transition metal carbonyl chemistry: Syntheses, structures and reactivity of manganese and rhenium carbonyl complexes of the type [LM (CO) 3](L= bpza, bdmpza)
Liu et al. Solvent-free organocatalytic Michael addition of diethyl malonate to nitroalkenes: The practical synthesis of Pregabalin and γ-nitrobutyric acid derivatives
Davies et al. Stereoselective synthesis of epoxides by reaction of donor/acceptor-substituted carbenoids with α, β-unsaturated aldehydes
Keshavarzipour et al. The synthesis of coumarin derivatives using choline chloride/zinc chloride as a deep eutectic solvent
Ramesh et al. Novel and efficient aqueous phase synthesis of N-substituted azepines via tandem Michael addition and cyclization in the presence of β-cyclodextrin
US10196414B2 (en) Organic compounds
CN103265420B (en) A kind of preparation method of aromatic diketone compound
Lu et al. Indolizine synthesis via copper-catalyzed cyclization of gem-difluoroalkenes and 2-(pyridin-2-yl) acetate derivatives
Vinoth et al. Palladium (ii)-catalyzed intramolecular carboxypalladation–olefin insertion cascade: direct access to indeno [1, 2-b] furan-2-ones
CN110105212A (en) method for preparing β -hydroxycarbonyl compound
CN106831283A (en) A kind of method of the iodo alkynes of high selectivity 1
Alonso et al. A new convenient synthesis of trisubstituted 1, 3-dioxole-4-carboxylates from methyl 2-diazo-3-oxobutyrate and aldehydes
Baker et al. Vinyl Weinreb amides: a versatile alternative to vinyl ketone substrates for the Heck arylation
CN105934423B (en) Production process of 2, 3, 6-trimethylphenol
Yadav et al. One-pot four-component synthesis of methyl 4-(4-chlorophenyl)-5, 7-dioxo-1-phenyl-1, 4, 5, 6, 7, 8-hexahydropyrazolo [4′, 3′: 5, 6] pyrano [2, 3-d] pyrimidine-3-carboxylate; a green approach
Rousset et al. Regio-and stereoselective preparation of γ-alkylidenebutenolides or α-pyrones using a Stille reaction and palladium-catalysed oxacyclisation sequence
Elamari et al. On the reactivity of activated alkynes in copper and solvent-free Huisgen’s reaction
He et al. Synthesis of dibenzo [b, d] furans through one-pot cascade reactions of 1-arylpenta-3, 4-dien-2-ones with activated ketones
Afzalian et al. Ni (II), Co (II), and Cu (II) complexes incorporating 2-pyrazinecarboxylic acid: Synthesis, characterization, electrochemical evaluation, and catalytic activity for the synthesis of 2H-indazolo [2, 1-b] phthalazine-triones
Penthala et al. A novel and efficient tributyltin azide-mediated synthesis of 1H-tetrazolylstilbenes from cyanostilbenes
CN104974121A (en) Synthesis method of 3-aryl-formyl coumarin derivatives
CN109232176A (en) A kind of list bromo alkynes compound and its preparation method and application
CN107936025B (en) A kind of preparation method of the disubstituted bicyclic pyrazole alkanone compound of the trans- 2,3- of chirality
Wuckelt et al. Regioselective Synthesis of 5-Ylidenepyrrol-2 (5 H)-ones by Reaction of Transition Metal-Coordinated Bis (imidoyl) Chlorides with Carbon Nucleophiles

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20220311

Address after: No.2, South Road, hope Avenue, Yancheng Economic and Technological Development Zone, Jiangsu Province, 224000

Applicant after: YANCHENG TEACHERS University

Applicant after: Nanjing Tech University

Address before: 224007 No.5, hope Avenue South Road, Yancheng Economic Development Zone, Jiangsu Province

Applicant before: YANCHENG JINMING PHARMACEUTICAL Co.,Ltd.

Applicant before: YANCHENG TEACHERS University

Applicant before: Nanjing Tech University

GR01 Patent grant
GR01 Patent grant