CN116496151B - 一种利用Catellani策略制备芴酮衍生物的方法 - Google Patents
一种利用Catellani策略制备芴酮衍生物的方法 Download PDFInfo
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- CN116496151B CN116496151B CN202310464186.5A CN202310464186A CN116496151B CN 116496151 B CN116496151 B CN 116496151B CN 202310464186 A CN202310464186 A CN 202310464186A CN 116496151 B CN116496151 B CN 116496151B
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- 150000008376 fluorenones Chemical class 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 22
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000007858 starting material Substances 0.000 claims abstract description 13
- 150000001503 aryl iodides Chemical class 0.000 claims abstract description 8
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 8
- 239000003513 alkali Substances 0.000 claims abstract description 7
- 239000003054 catalyst Substances 0.000 claims abstract description 7
- 239000002904 solvent Substances 0.000 claims abstract description 6
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 230000009471 action Effects 0.000 claims abstract description 3
- 239000003999 initiator Substances 0.000 claims abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims description 60
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 36
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 32
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims description 32
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 31
- 229910052757 nitrogen Inorganic materials 0.000 claims description 16
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 16
- 239000001257 hydrogen Substances 0.000 claims description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims description 13
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 11
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 9
- 150000002367 halogens Chemical class 0.000 claims description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 8
- 125000003545 alkoxy group Chemical group 0.000 claims description 7
- 125000000217 alkyl group Chemical group 0.000 claims description 7
- 229910052736 halogen Inorganic materials 0.000 claims description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 6
- 239000003446 ligand Substances 0.000 claims description 6
- 229910000073 phosphorus hydride Inorganic materials 0.000 claims description 6
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 6
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 5
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052794 bromium Inorganic materials 0.000 claims description 5
- 239000000460 chlorine Substances 0.000 claims description 5
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- 125000001424 substituent group Chemical group 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 4
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 claims description 4
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 claims description 4
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 4
- BWHDROKFUHTORW-UHFFFAOYSA-N tritert-butylphosphane Chemical compound CC(C)(C)P(C(C)(C)C)C(C)(C)C BWHDROKFUHTORW-UHFFFAOYSA-N 0.000 claims description 4
- WTAPZWXVSZMMDG-UHFFFAOYSA-N 1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].C=1C=CC=CC=1C=CC(=O)C=CC1=CC=CC=C1 WTAPZWXVSZMMDG-UHFFFAOYSA-N 0.000 claims description 2
- 229910052786 argon Inorganic materials 0.000 claims description 2
- YNHIGQDRGKUECZ-UHFFFAOYSA-L bis(triphenylphosphine)palladium(ii) dichloride Chemical compound [Cl-].[Cl-].[Pd+2].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 YNHIGQDRGKUECZ-UHFFFAOYSA-L 0.000 claims description 2
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 claims description 2
- 229910000024 caesium carbonate Inorganic materials 0.000 claims description 2
- GPAYUJZHTULNBE-UHFFFAOYSA-N diphenylphosphine Chemical compound C=1C=CC=CC=1PC1=CC=CC=C1 GPAYUJZHTULNBE-UHFFFAOYSA-N 0.000 claims description 2
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- SJYNFBVQFBRSIB-UHFFFAOYSA-N norbornadiene Chemical compound C1=CC2C=CC1C2 SJYNFBVQFBRSIB-UHFFFAOYSA-N 0.000 claims description 2
- 125000003518 norbornenyl group Chemical group C12(C=CC(CC1)C2)* 0.000 claims description 2
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 claims description 2
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 claims description 2
- 229910000160 potassium phosphate Inorganic materials 0.000 claims description 2
- 235000011009 potassium phosphates Nutrition 0.000 claims description 2
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims 2
- 125000000027 (C1-C10) alkoxy group Chemical group 0.000 claims 1
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims 1
- UCFFGYASXIPWPD-UHFFFAOYSA-N methyl hypochlorite Chemical compound COCl UCFFGYASXIPWPD-UHFFFAOYSA-N 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 abstract description 8
- -1 aryl iodine Chemical compound 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 230000010933 acylation Effects 0.000 abstract description 4
- 238000005917 acylation reaction Methods 0.000 abstract description 4
- 238000006254 arylation reaction Methods 0.000 abstract description 3
- 238000007306 functionalization reaction Methods 0.000 abstract description 3
- 239000011630 iodine Substances 0.000 abstract description 3
- 229910052740 iodine Inorganic materials 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 168
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 56
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 56
- 239000003208 petroleum Substances 0.000 description 28
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 14
- 238000005160 1H NMR spectroscopy Methods 0.000 description 14
- 101150003085 Pdcl gene Proteins 0.000 description 14
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 14
- 239000003480 eluent Substances 0.000 description 14
- 239000012074 organic phase Substances 0.000 description 14
- 238000010898 silica gel chromatography Methods 0.000 description 14
- 239000007787 solid Substances 0.000 description 14
- 238000000605 extraction Methods 0.000 description 10
- 238000012544 monitoring process Methods 0.000 description 10
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 10
- BCGITRTXBFIXCC-UHFFFAOYSA-N 2-(2-bromophenyl)-2-oxoacetic acid Chemical compound OC(=O)C(=O)C1=CC=CC=C1Br BCGITRTXBFIXCC-UHFFFAOYSA-N 0.000 description 9
- 238000005481 NMR spectroscopy Methods 0.000 description 8
- 238000001228 spectrum Methods 0.000 description 8
- XRXMNWGCKISMOH-UHFFFAOYSA-N 2-bromobenzoic acid Chemical compound OC(=O)C1=CC=CC=C1Br XRXMNWGCKISMOH-UHFFFAOYSA-N 0.000 description 5
- 238000001308 synthesis method Methods 0.000 description 5
- NHPPIJMARIVBGU-UHFFFAOYSA-N 1-iodonaphthalene Chemical compound C1=CC=C2C(I)=CC=CC2=C1 NHPPIJMARIVBGU-UHFFFAOYSA-N 0.000 description 2
- CUILFTFMBBGSFT-UHFFFAOYSA-N 5-iodoisoquinoline Chemical compound N1=CC=C2C(I)=CC=CC2=C1 CUILFTFMBBGSFT-UHFFFAOYSA-N 0.000 description 2
- QUSDYFSFXQORKN-UHFFFAOYSA-N 5-iodoquinoline Chemical compound C1=CC=C2C(I)=CC=CC2=N1 QUSDYFSFXQORKN-UHFFFAOYSA-N 0.000 description 2
- YLQWCDOCJODRMT-UHFFFAOYSA-N fluoren-9-one Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C2=C1 YLQWCDOCJODRMT-UHFFFAOYSA-N 0.000 description 2
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 2
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 2
- 238000007363 ring formation reaction Methods 0.000 description 2
- MPEOPBCQHNWNFB-UHFFFAOYSA-N 1-chloro-2-iodobenzene Chemical compound ClC1=CC=CC=C1I MPEOPBCQHNWNFB-UHFFFAOYSA-N 0.000 description 1
- ZEJZDNMOGNUIHL-UHFFFAOYSA-N 1-ethyl-2-iodobenzene Chemical compound CCC1=CC=CC=C1I ZEJZDNMOGNUIHL-UHFFFAOYSA-N 0.000 description 1
- TYHUGKGZNOULKD-UHFFFAOYSA-N 1-fluoro-2-iodobenzene Chemical compound FC1=CC=CC=C1I TYHUGKGZNOULKD-UHFFFAOYSA-N 0.000 description 1
- DANMWBNOPFBJSZ-UHFFFAOYSA-N 1-iodo-2,3-dimethylbenzene Chemical compound CC1=CC=CC(I)=C1C DANMWBNOPFBJSZ-UHFFFAOYSA-N 0.000 description 1
- DVQWNQBEUKXONL-UHFFFAOYSA-N 1-iodo-2-methoxybenzene Chemical compound COC1=CC=CC=C1I DVQWNQBEUKXONL-UHFFFAOYSA-N 0.000 description 1
- RINOYHWVBUKAQE-UHFFFAOYSA-N 1-iodo-2-methylbenzene Chemical compound CC1=CC=CC=C1I RINOYHWVBUKAQE-UHFFFAOYSA-N 0.000 description 1
- QFUYDAGNUJWBSM-UHFFFAOYSA-N 1-iodo-2-phenylbenzene Chemical group IC1=CC=CC=C1C1=CC=CC=C1 QFUYDAGNUJWBSM-UHFFFAOYSA-N 0.000 description 1
- SORQIYFSJAWBNQ-UHFFFAOYSA-N 1-iodo-2-propan-2-ylbenzene Chemical compound CC(C)C1=CC=CC=C1I SORQIYFSJAWBNQ-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 238000005698 Diels-Alder reaction Methods 0.000 description 1
- 238000005727 Friedel-Crafts reaction Methods 0.000 description 1
- 239000002246 antineoplastic agent Substances 0.000 description 1
- 229940041181 antineoplastic drug Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001927 cycloarenes Chemical class 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 125000006575 electron-withdrawing group Chemical group 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- AFMVESZOYKHDBJ-UHFFFAOYSA-N fluoren-9-ol Chemical compound C1=CC=C2C(O)C3=CC=CC=C3C2=C1 AFMVESZOYKHDBJ-UHFFFAOYSA-N 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 125000002757 morpholinyl group Chemical group 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 230000000269 nucleophilic effect Effects 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D221/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00
- C07D221/02—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 condensed with carbocyclic rings or ring systems
- C07D221/04—Ortho- or peri-condensed ring systems
- C07D221/18—Ring systems of four or more rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/10—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms
- C07D295/112—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms with the ring nitrogen atoms and the doubly bound oxygen or sulfur atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings
- C07D295/116—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms with the ring nitrogen atoms and the doubly bound oxygen or sulfur atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings with the doubly bound oxygen or sulfur atoms directly attached to a carbocyclic ring
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
- C07C2603/06—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
- C07C2603/10—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
- C07C2603/12—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
- C07C2603/18—Fluorenes; Hydrogenated fluorenes
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/40—Ortho- or ortho- and peri-condensed systems containing four condensed rings
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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Abstract
本发明公开了一种利用Catellani策略制备芴酮衍生物的方法,保护性气氛下,以芳基碘为起始物,2‑(2‑卤苯基)‑2‑氧代乙酸作为偶联试剂,在钯催化剂、助催化剂、碱和溶剂的共同作用下,于80~120℃反应即得芴酮衍生物。本发明通过双官能团化(芳基碘原位酰基化/邻位芳基化)一步实现了芴酮衍生物的合成,打破了传统方法需要预官能团化、起始原料不可用、合成步骤多等限制,具有工艺简便,底物适用性良好的优点。
Description
技术领域
本发明属于有机合成领域,具体涉及一种利用Catellani策略制备芴酮衍生物的方法。
背景技术
芴酮是一类重要的有机化合物,是多种天然产物、抗肿瘤药物的核心骨架,在光学和有机电子材料中也有着广泛的应用,因此,有机合成工作者们花了许多精力对它的合成方法进行研究。在过去的几十年,芴酮衍生物的合成方法主要有Friedel-Craft酰基化、芴或芴醇的氧化、Pschorr环化、远程金属化、分子内脱氢Diels-Alder环化。但这些合成方法都存在一些局限性,如需要预官能团化、起始材料不可用、合成步骤多等。开发一种简单高效的芴酮衍生物的合成方法显得格外重要。
发明内容
为了解决现有技术中存在的问题,本发明提供了一种利用Catellani策略制备芴酮衍生物的方法,通过双官能团化(芳基碘原位酰基化/邻位芳基化)一步实现了芴酮衍生物的合成,打破了传统方法需要预官能团化、起始原料不可用、合成步骤多等限制,具有工艺简便,底物适用性良好的优点。
本发明是通过以下技术方案实现的:
一种利用Catellani策略制备芴酮衍生物的方法,保护性气氛下,以芳基碘为起始物,2-(2-卤苯基)-2-氧代乙酸作为偶联试剂,在钯催化剂、助催化剂、碱和溶剂的共同作用下,于80~120℃反应即得芴酮衍生物,反应式如式(1)所示:
其中,所述芳基碘可以为碘代稠(杂)环芳烃,具体如1-碘萘、5-碘喹啉、5-碘异喹啉等;
或所述芳基碘中的R1可以为C1~C10的烷基,C1~C10的烷基可以为直链烷基或带支链的烷基,具体如甲基、乙基、异丙基等;R1可以为C1~C10的烷氧基,具体如甲氧基、乙氧基等;R1可以为卤素,具体如氯、氟或溴;R1可以为拉电子基团,具体如三氟甲基、氰基、酯基等;R1可以为苯基或含C1~C10的烷基、C1~C10的烷氧基、卤素取代基、氰基、三氟甲基等取代基的苯基,取代基可以为一个或多个,取代的位置不限;R2可以为氢;R2可以为C1~C10的烷基,C1~C10的烷基可以为直链烷基或带支链的烷基,具体如甲基、乙基、异丙基等;R2可以为C1~C10的烷氧基,具体如甲氧基、乙氧基等;R2可以为卤素,具体如氯、氟或溴;
所述2-(2-卤苯基)-2-氧代乙酸中的X为卤素,具体如氯、溴或碘;R3可以为氢;R3可以为C1~C10的烷基,C1~C10的烷基可以为直链烷基或带支链的烷基,具体如甲基、乙基、异丙基等;R3可以为C1~C10的烷氧基,具体如甲氧基、乙氧基等;R3可以为苯氧基或含C1~C10的烷基、C1~C10的烷氧基、卤素取代基、氰基、三氟甲基等取代基的苯氧基,取代基可以为一个或多个,取代的位置不限;R3可以为卤素,具体如氯、氟或溴;R3还可以为吗啉基。
优选的,所述的钯催化剂选自醋酸钯、氯化钯、双(三苯基膦)氯化钯(Ⅱ)、1,1'-双二苯基膦二茂铁二氯化钯、双二亚苄基丙酮钯或四(三苯基膦)钯中的一种或几种,钯催化剂的用量为起始物物质的量的1-10%。
优选的,所述的助催化剂选自降冰片烯或降冰片二烯,助催化剂的用量为起始物物质的量的100-300%。
优选的,所述反应中还添加有膦配体,膦配体为三苯基膦、三叔丁基膦或2-双环己基膦-2’,4’,6’-三异丙基联苯,膦配体的用量为起始物物质的量的5-20%。
优选的,所述的碱为碳酸钾、碳酸钠、磷酸钾、叔丁醇钾、叔丁醇钠或碳酸铯中的一种或者几种,碱的用量为起始物物质的量的200-500%。
优选的,所述溶剂为乙腈、N,N-二甲基甲酰胺、二甲基亚砜和甲苯中的一种或几种,更优选为N,N-二甲基甲酰胺。
优选的,所述保护性气氛为氮气、氩气或氦气气氛。
与现有的合成方法相比,本发明有如下有益效果:
(1)本发明以2-(2-卤苯基)-2-氧代乙酸同时作为亲核和亲电试剂,实现了芳基碘的邻位芳基化/本位酰基化,一锅构建了一系列芴酮衍生物,工艺简便,底物适用性良好;
(2)本发明打破了传统的合成芴酮衍生物需要预官能团化、起始原料不可用、合成步骤多等限制,发展了一种芴酮衍生物的简单合成方法;
(3)本发明扩大了2-(2-卤苯基)-2-氧代乙酸作为偶联试剂捕获五元C,C-环钯物种的范围。
附图说明
图1为本发明实施例6制得的样品的核磁氢谱图;
图2为本发明实施例6制得的样品的核磁碳谱图;
图3为本发明实施例7制得的样品的核磁氢谱图;
图4为本发明实施例7制得的样品的核磁碳谱图;
图5为本发明实施例9制得的样品的核磁氢谱图;
图6为本发明实施例9制得的样品的核磁碳谱图;
图7为本发明实施例10制得的样品的核磁氢谱图;
图8为本发明实施例10制得的样品的核磁碳谱图;
图9为本发明实施例11制得的样品的核磁氢谱图;
图10为本发明实施例11制得的样品的核磁碳谱图;
图11为本发明实施例12制得的样品的核磁氢谱图;
图12为本发明实施例12制得的样品的核磁碳谱图;
图13为本发明实施例13制得的样品的核磁氢谱图;
图14为本发明实施例13制得的样品的核磁碳谱图;
图15为本发明实施例14制得的样品的核磁氢谱图;
图16为本发明实施例14制得的样品的核磁碳谱图;
图17为本发明实施例15制得的样品的核磁氢谱图;
图18为本发明实施例15制得的样品的核磁碳谱图;
具体实施方式
下面通过具体实施例对本发明作进一步详细说明,实施例中所用原料均可市购。或者原料2-(2-卤苯基)-2-氧代乙酸,本领域技术人员可以根据现有文献公开的方法自行制备,例如文献[Org.Lett.,2021,23,2878-2883]等。
实施例2
在干燥的25mL Schlenk管中加入2-(2-溴苯基)-2-氧代乙酸(0.24mmol,54.7mg),邻碘甲苯(0.2mmol,43.6mg),PdCl2(1.8mg),NBE(37.7mg),PPh3(5.2mg),K2CO3(83.0mg)和DMF(2.0mL)。然后用高纯氮对反应的气氛进行置换,于100℃油浴锅中反应2小时,用TLC监测反应情况,待反应结束之后,加入乙酸乙酯萃取三次(每次用50mL乙酸乙酯),合并有机相,采用无水硫酸钠干燥、浓缩、经硅胶柱层析法分离(洗脱剂中石油醚与乙酸乙酯的体积比为石油醚∶乙酸乙酯=100:1),得到产物为黄色固体,产率96%。
1HNMR(500MHz,CDCl3)δ=7.59(d,J=7.5Hz,1H),7.45-7.40(m,2H),7.29(q,J=3.5,2.5Hz,2H),7.24(td,J=7.0,1.5Hz,1H),7.00(dd,J=5.5,3.0Hz,1H),2.60(s,3H);13CNMR(125MHz,CDCl3)δ=201.5,195.0,144.7,143.8,139.4,134.2,134.2,133.9,131.8,130.8,128.8,123.7,119.9,117.8,17.7.
实施例4
在干燥的25mLSchlenk管中加入2-(2-溴苯基)-2-氧代乙酸(0.24mmol,54.7mg),1-乙基-2-碘苯(0.2mmol,46.4mg),PdCl2(1.8mg),NBE(37.7mg),PPh3(5.2mg),K2CO3(83.0mg)和DMF(2.0mL)。然后用高纯氮对反应的气氛进行置换,于100℃油浴锅中反应2小时,用TLC监测反应情况,待反应结束之后,加入乙酸乙酯萃取三次(每次用50mL乙酸乙酯),合并有机相,采用无水硫酸钠干燥、浓缩、经硅胶柱层析法分离(洗脱剂中石油醚与乙酸乙酯的体积比为石油醚∶乙酸乙酯=100:1),产物为黄色固体,产率75%。
1HNMR(500MHz,CDCl3)δ=7.60(d,J=7.5Hz,1H),7.47(d,J=7.0Hz,1H),7.43(td,J=7.5,1.0Hz,1H),7.36-7.32(m,2H),7.25(td,J=7.0,1.0Hz,1H),7.07(dd,J=7.0,2.0Hz,1H),3.07(q,J=7.5Hz,2H),1.25(t,J=7.5Hz,3H);13CNMR(125MHz,CDCl3)δ=194.8,146.0,144.9,143.9,134.3,134.2,130.2,130.2,128.8,123.8,119.9,117.9,24.5,14.7.
实施例5
在干燥的25mLSchlenk管中加入2-(2-溴苯基)-2-氧代乙酸(0.24mmol,54.7mg),2-异丙基碘苯(0.2mmol,49.2mg),PdCl2(1.8mg),NBE(37.7mg),PPh3(5.2mg),K2CO3(83.0mg)和DMF(2.0mL)。然后用高纯氮对反应的气氛进行置换,于100℃油浴锅中反应2小时,用TLC监测反应情况,待反应完之后,加入乙酸乙酯萃取三次(每次用50mL乙酸乙酯),合并有机相,采用无水硫酸钠干燥、浓缩、经硅胶柱层析法分离(洗脱剂中石油醚与乙酸乙酯的体积比为石油醚∶乙酸乙酯=100:1),产物为黄色固体,产率83%。
1HNMR(500MHz,CDCl3)δ=7.60(d,J=7.5Hz,1H),7.47-7.41(m,2H),7.38(t,J=7.5Hz,1H),7.32(d,J=7.0Hz,1H),7.26-7.21(m,2H),4.19(p,J=7.0Hz,1H),1.26(d,J=7.0Hz,6H);13CNMR(125MHz,CDCl3)δ=195.0,150.9,144.9,143.7,134.4,134.3,134.2,129.4,128.8,126.5,123.8,119.8,117.7,27.1,22.7.
实施例6
在干燥的25mLSchlenk管中加入2-(2-溴苯基)-2-氧代乙酸(0.24mmol,54.7mg),2-甲氧基碘苯(0.2mmol,46.8mg),PdCl2(1.8mg),NBE(37.7mg),PPh3(5.2mg),K2CO3(83.0mg)和DMF(2.0mL)。然后用高纯氮对反应的气氛进行置换,于100℃油浴锅中反应2小时,用TLC监测反应情况,待反应完毕之后,加入乙酸乙酯萃取三次(每次用50mL乙酸乙酯),合并有机相,采用无水硫酸钠干燥、浓缩、经硅胶柱层析法分离(洗脱剂中石油醚与乙酸乙酯的体积比为石油醚∶乙酸乙酯=30:1),产物为黄色固体,产率93%。
1HNMR(500MHz,CDCl3)δ=7.62(d,J=7.5Hz,1H),7.46(d,J=7.5Hz,1H),7.44-7.39(m,2H),7.26(td,J=7.5,1.0Hz,1H),7.09(d,J=7.0Hz,1H),6.80(d,J=8.5Hz,1H),3.96(s,3H);13CNMR(125MHz,CDCl3)δ=191.8,158.2,146.4,143.1,136.7,134.4,133.8,129.0,123.8,120.1,120.0,112.9,112.8,55.8.
实施例7
在干燥的25mLSchlenk管中加入2-(2-溴苯基)-2-氧代乙酸(0.24mmol,54.7mg),1-氟-2-碘苯(0.2mmol,44.4mg),PdCl2(1.8mg),NBE(37.7mg),PPh3(5.2mg),K2CO3(83.0mg)和DMF(2.0mL)。然后用高纯氮对反应的气氛进行置换,于100℃油浴锅中反应2小时,用TLC监测反应情况,待反应完毕之后,加入乙酸乙酯萃取三次(每次用50mL乙酸乙酯),合并有机相,采用无水硫酸钠干燥、浓缩、经硅胶柱层析法分离(洗脱剂中石油醚与乙酸乙酯的体积比为石油醚∶乙酸乙酯=100:1),产物为黄色固体,产率30%。
1HNMR(500MHz,CDCl3)δ=7.65(d,J=7.5Hz,1H),7.52-7.44(m,3H),7.33-7.27(m,2H),6.92(t,J=9.0Hz,1H);13CNMR(125MHz,CDCl3)δ=190.1,159.2(d,C-F,1JC-F=262.1Hz),146.3(d,C-F,4JC-F=3.5Hz),143.3(d,C-F,4JC-F=3.5Hz),137.0(d,C-F,3JC-F=8.4Hz),134.6,133.9,129.6,124.4,120.6,119.9(d,C-F,3JC-F=12.5Hz),117.4(d,C-F,2JC-F=20.6Hz),116.4,116.3.
实施例8
在干燥的25mLSchlenk管中加入2-(2-溴苯基)-2-氧代乙酸(0.24mmol,54.7mg),1-氯-2-碘苯(0.2mmol,47.6mg),PdCl2(1.8mg),NBE(37.7mg),PPh3(5.2mg),K2CO3(83.0mg)和DMF(2.0mL)。然后用高纯氮对反应的气氛进行置换,于100℃油浴锅中反应2小时,用TLC监测反应情况,待反应完毕之后,加入乙酸乙酯萃取三次(每次用50mL乙酸乙酯),合并有机相,采用无水硫酸钠干燥、浓缩、经硅胶柱层析法分离(洗脱剂中石油醚与乙酸乙酯的体积比为石油醚∶乙酸乙酯=100:1),产物为黄色固体,产率41%。
1HNMR(500MHz,CDCl3)δ=7.67(d,J=7.5Hz,1H),7.50(d,J=7.5Hz,2H),7.39(dt,J=15.0,7.5Hz,2H),7.32(td,J=7.5,1.5Hz,1H),7.20(d,J=7.5Hz,1H).;13CNMR(125MHz,CDCl3)δ=190.8,146.5,142.5,135.2,134.7,133.9,132.7,130.9,129.6,129.5,124.4,120.4,118.7.
实施例9
在干燥的25mLSchlenk管中加入2-(2-溴苯基)-2-氧代乙酸(0.24mmol,54.7mg),2-三氟甲基碘苯(0.2mmol,54.4mg),PdCl2(1.8mg),NBE(37.7mg),PPh3(5.2mg),K2CO3(83.0mg)和DMF(2.0mL)。然后用高纯氮对反应的气氛进行置换,于100℃油浴锅中反应2小时,用TLC监测反应情况,待反应完毕之后,加入乙酸乙酯萃取三次(每次用50mL乙酸乙酯),合并有机相,采用无水硫酸钠干燥、浓缩、经硅胶柱层析法分离(洗脱剂中石油醚与乙酸乙酯的体积比为石油醚∶乙酸乙酯=100:1),产物为黄色固体,产率25%。
1HNMR(500MHz,CDCl3)δ=7.72(d,J=7.5Hz,1H),7.67(d,J=7.5Hz,1H),7.59(t,J=7.5Hz,1H),7.54(d,J=8.0Hz,2H),7.53-7.50(m,1H),7.34(td,J=7.0,1.5Hz,1H);13CNMR(125MHz,CDCl3)δ=189.9,146.4,142.8,134.9,134.4,133.3,130.8(q,4JC-F=1.3Hz),129.9,127.8(q,2JC-F=34.8Hz),125.9(q,3JC-F=5.6Hz),124.7,123.5,122.5(q,1JC-F=272.4Hz),120.3.
实施例10
在干燥的25mLSchlenk管中加入2-(2-溴苯基)-2-氧代乙酸(0.24mmol,54.7mg),2-碘联苯(0.2mmol,56.0mg),PdCl2(1.8mg),NBE(37.7mg),PPh3(5.2mg),K2CO3(83.0mg)和DMF(2.0mL)。然后用高纯氮对反应的气氛进行置换,于100℃油浴锅中反应2小时,用TLC监测反应情况,待反应完毕之后,加入乙酸乙酯萃取三次(每次用50mL乙酸乙酯),合并有机相,采用无水硫酸钠干燥、浓缩、经硅胶柱层析法分离(洗脱剂中石油醚与乙酸乙酯的体积比为石油醚∶乙酸乙酯=100:1),产物为黄色固体,产率41%。
1HNMR(500MHz,CDCl3)δ=7.58(d,J=7.5Hz,1H),7.54-7.48(m,5H),7.47-7.40(m,4H),7.29-7.25(m,1H),7.20(dd,J=7.0,1.5Hz,1H);13CNMR(125MHz,CDCl3)δ=192.9,145.4,143.5,142.2,137.4,134.4,134.2,134.1,131.6,129.6,129.1,129.1,128.2,127.8,124.1,119.9,119.1.
实施例11
在干燥的25mLSchlenk管中加入2-(2-溴苯基)-2-氧代乙酸(0.24mmol,54.7mg),2,3-二甲基碘苯(0.2mmol,46.4mg),PdCl2(1.8mg),NBE(37.7mg),PPh3(5.2mg),K2CO3(83.0mg)和DMF(2.0mL)。然后用高纯氮对反应的气氛进行置换,于100℃油浴锅中反应2小时,用TLC监测反应情况,待反应完毕之后,加入乙酸乙酯萃取三次(每次用50mL乙酸乙酯),合并有机相,采用无水硫酸钠干燥、浓缩、经硅胶柱层析法分离(洗脱剂中石油醚与乙酸乙酯的体积比为石油醚∶乙酸乙酯=100:1),产物为黄色固体,产率88%。
1HNMR(500MHz,CDCl3)δ=7.55(d,J=7.5Hz,1H),7.40-7.36(m,2H),7.21-7.18(m,1H),7.14(q,J=7.5Hz,2H),2.53(s,3H),2.22(s,3H);13CNMR(125MHz,CDCl3)δ=195.4,143.7,142.5,134.8,134.4,134.1,130.8,128.3,123.7,119.5,117.4,19.2,13.4.
实施例12
在干燥的25mLSchlenk管中加入2-溴苯甲酰甲酸(0.24mmol,54.7mg),1-氯-3-碘-2-甲苯(0.2mmol,50.4mg),PdCl2(1.8mg),NBE(37.7mg),PPh3(5.2mg),K2CO3(83.0mg)和DMF(2.0mL)。然后用高纯氮对反应的气氛进行置换,于100℃油浴锅中反应2小时,用TLC监测反应情况,待反应完毕之后,加入乙酸乙酯萃取三次(每次用50mL乙酸乙酯),合并有机相,采用无水硫酸钠干燥、浓缩、经硅胶柱层析法分离(洗脱剂中石油醚与乙酸乙酯的体积比为石油醚∶乙酸乙酯=100:1),产物为黄色固体,产率76%。
1HNMR(500MHz,CDCl3)δ=7.59(d,J=7.5Hz,1H),7.45(t,J=7.5Hz,1H),7.40(d,J=7.5Hz,1H),7.30-7.26(m,1H),7.23(s,1H),6.99(s,1H),2.56(s,3H);13CNMR(125MHz,CDCl3)δ=193.5,146.4,142.5,140.8,140.0,134.5,134.3,131.2,129.5,129.1,123.9,120.2,118.4,17.5.
实施例13
在干燥的25mLSchlenk管中加入2-溴苯甲酰甲酸(0.24mmol,54.7mg),1-碘-4-甲氧基-2甲苯(0.2mmol,49.6mg),PdCl2(1.8mg),NBE(37.7mg),PPh3(5.2mg),K2CO3(83.0mg)和DMF(2.0mL)。然后用高纯氮对反应的气氛进行置换,于100℃油浴锅中反应2小时,用TLC监测反应情况,待反应完毕之后,加入乙酸乙酯萃取三次(每次用50mL乙酸乙酯),合并有机相,采用无水硫酸钠干燥、浓缩、经硅胶柱层析法分离(洗脱剂中石油醚与乙酸乙酯的体积比为石油醚∶乙酸乙酯=30:1),产物为黄色固体,产率83%。
1H NMR(500MHz,CDCl3)δ=7.55(d,J=7.5Hz,1H),7.41-7.37(m,2H),7.26-7.22(m,1H),6.78(d,J=2.0Hz,1H),6.42(d,J=1.5Hz,1H),3.84(s,3H),2.55(s,3H);13C NMR(125MHz,CDCl3)δ=193.4,164.4,147.2,142.7,141.6,135.5,133.6,128.9,124.3,123.2,119.7,114.9,104.9,55.5,18.0.
实施例14
在干燥的25mL Schlenk管中加入2-溴苯甲酰甲酸(0.24mmol,54.7mg),1-碘萘(0.2mmol,50.8mg),PdCl2(1.8mg),NBE(37.7mg),PPh3(5.2mg),K2CO3(83.0mg)和DMF(2.0mL)。然后用高纯氮对反应的气氛进行置换,于100℃油浴锅中反应2小时,用TLC监测反应情况,待反应完毕之后,加入乙酸乙酯萃取三次(每次用50mL乙酸乙酯),合并有机相,采用无水硫酸钠干燥、浓缩、经硅胶柱层析法分离(洗脱剂中石油醚与乙酸乙酯的体积比为石油醚∶乙酸乙酯=100:1),产物为黄色固体,产率96%。
1H NMR(500MHz,CDCl3)δ=7.55(d,J=7.5Hz,1H),7.41-7.37(m,2H),7.26-7.22(m,1H),6.78(d,J=2.0Hz,1H),6.42(d,J=1.5Hz,1H),3.84(s,3H),2.55(s,3H);13C NMR(125MHz,CDCl3)δ=193.4,164.4,147.2,142.7,141.6,135.5,133.6,128.9,124.3,123.2,119.7,114.9,104.9,55.5,18.0.
实施例15
在干燥的25mL Schlenk管中加入2-溴苯甲酰甲酸(0.24mmol,54.7mg),5-碘喹啉(0.2mmol,50.1mg),PdCl2(1.8mg),NBE(37.7mg),PPh3(5.2mg),K2CO3(83.0mg)和DMF(2.0mL)。然后用高纯氮对反应的气氛进行置换,于100℃油浴锅中反应2小时,用TLC监测反应情况,待反应完毕之后,加入乙酸乙酯萃取三次(每次用50mL乙酸乙酯),合并有机相,采用无水硫酸钠干燥、浓缩、经硅胶柱层析法分离(洗脱剂中石油醚与乙酸乙酯的体积比为石油醚∶乙酸乙酯=10:1),产物为黄色固体,产率85%。
1H NMR(500MHz,CDCl3)δ=9.11-9.09(m,1H),8.80(dd,J=4.0,2.0Hz,1H),8.13(d,J=8.0Hz,1H),7.73(d,J=8.5Hz,1H),7.52(d,J=7.0Hz,1H),7.41-7.37(m,3H),7.25-7.21(m,1H);13C NMR(125MHz,CDCl3)δ=194.3,150.7,148.5,146.0,143.1,136.6,134.3,134.3,132.1,129.4,126.8,125.4,123.9,123.7,121.2,120.2.
实施例16
在干燥的25mLSchlenk管中加入2-溴苯甲酰甲酸(0.24mmol,54.7mg),5-碘异喹啉(0.2mmol,50.1mg),PdCl2(1.8mg),NBE(37.7mg),PPh3(5.2mg),K2CO3(83.0mg)和DMF(2.0mL)。然后用高纯氮对反应的气氛进行置换,于100℃油浴锅中反应2小时,用TLC监测反应情况,待反应完毕之后,加入乙酸乙酯萃取三次(每次用50mL乙酸乙酯),合并有机相,采用无水硫酸钠干燥、浓缩、经硅胶柱层析法分离(洗脱剂中石油醚与乙酸乙酯的体积比为石油醚∶乙酸乙酯=10:1),产物为黄色固体,产率80%。
1H NMR(500MHz,CDCl3)δ=9.16(s,1H),8.61-8.55(m,2H),8.09(d,J=8.0Hz,1H),7.73(d,J=8.0Hz,1H),7.62(d,J=7.0Hz,1H),7.52-7.46(m,2H),7.34(d,J=7.3Hz,1H);13C NMR(125MHz,CDCl3)δ=194.1,152.8,149.9,145.9,142.8,135.7,134.4,134.4,132.2,130.3,129.2,125.8,124.1,120.7,119.4,116.8.
以上所述仅是本发明的优选实施例,不用于限制本发明,特别指出,对于本技术领域的普通技术人员来说,在不脱离本发明技术原理的前提下,还可以做出若干改进和变型,这些改进和变型也应视为本发明的保护范围。
Claims (9)
1.一种利用Catellani策略制备芴酮衍生物的方法,其特征在于:保护性气氛下,以式I所示的芳基碘为起始物,2-(2-卤苯基)-2-氧代乙酸作为偶联试剂,在钯催化剂、助催化剂、碱和溶剂的共同作用下,于80~120℃反应即得芴酮衍生物,反应式如式(1)所示:
其中,芳基碘中的R1为C1~C10的烷基、C1~C10的烷氧基、卤素、氰基、三氟甲基、苯基或取代苯基,所述取代苯基为含C1~C10的烷基、C1~C10的烷氧基、卤素取代基、氰基、三氟甲基中至少一种取代基的苯基;R2为氢、C1~C10的烷基、C1~C10的烷氧基或卤素;
所述2-(2-卤苯基)-2-氧代乙酸中的X为溴;R3为氢;所述的助催化剂选自降冰片烯或降冰片二烯;所述反应中还添加有膦配体。
2.根据权利要求1所述的利用Catellani策略制备芴酮衍生物的方法,其特征在于:芳基碘中的R1为甲基、乙基、异丙基、甲氧基、氯、氟、三氟甲基或苯基;R2为氢、甲基、甲氧基或氯。
3.根据权利要求1或2所述的利用Catellani策略制备芴酮衍生物的方法,其特征在于:所述的钯催化剂选自醋酸钯、氯化钯、双(三苯基膦)氯化钯(Ⅱ)、1,1'-双二苯基膦二茂铁二氯化钯、双二亚苄基丙酮钯或四(三苯基膦)钯中的一种或几种,钯催化剂的用量为起始物物质的量的1-10%。
4.根据权利要求1或2所述的利用Catellani策略制备芴酮衍生物的方法,其特征在于:所述的助催化剂的用量为起始物物质的量的100-300%。
5.根据权利要求1或2所述的利用Catellani策略制备芴酮衍生物的方法,其特征在于:所述的膦配体为三苯基膦、三叔丁基膦或2-双环己基膦-2’,4’,6’-三异丙基联苯,膦配体的用量为起始物物质的量的5-20%。
6.根据权利要求1或2所述的利用Catellani策略制备芴酮衍生物的方法,其特征在于:所述的碱为碳酸钾、碳酸钠、磷酸钾、叔丁醇钾、叔丁醇钠或碳酸铯中的一种或者几种,碱的用量为起始物物质的量的200-500%。
7.根据权利要求1或2所述的利用Catellani策略制备芴酮衍生物的方法,其特征在于:所述溶剂为乙腈、N,N-二甲基甲酰胺、二甲基亚砜和甲苯中的一种或几种。
8.根据权利要求7所述的利用Catellani策略制备芴酮衍生物的方法,其特征在于:所述溶剂为N,N-二甲基甲酰胺。
9.根据权利要求1或2所述的利用Catellani策略制备芴酮衍生物的方法,其特征在于:所述保护性气氛为氮气、氩气或氦气气氛。
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