CN114249679B - 一种制备α,α-偕二氟羰基类化合物的方法 - Google Patents
一种制备α,α-偕二氟羰基类化合物的方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 21
- IYRWEQXVUNLMAY-UHFFFAOYSA-N carbonyl fluoride Chemical group FC(F)=O IYRWEQXVUNLMAY-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 150000001875 compounds Chemical class 0.000 claims abstract description 90
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003054 catalyst Substances 0.000 claims abstract description 4
- 239000003513 alkali Substances 0.000 claims abstract description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 22
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 12
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 6
- 239000002585 base Substances 0.000 claims description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 4
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 3
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 3
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 claims description 3
- 229910000024 caesium carbonate Inorganic materials 0.000 claims description 3
- 239000007810 chemical reaction solvent Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 3
- 239000012312 sodium hydride Substances 0.000 claims description 3
- 229910000104 sodium hydride Inorganic materials 0.000 claims description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 2
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 2
- LZWQNOHZMQIFBX-UHFFFAOYSA-N lithium;2-methylpropan-2-olate Chemical compound [Li+].CC(C)(C)[O-] LZWQNOHZMQIFBX-UHFFFAOYSA-N 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract description 3
- 238000005580 one pot reaction Methods 0.000 abstract description 3
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- 230000002194 synthesizing effect Effects 0.000 abstract description 3
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 2
- 239000012847 fine chemical Substances 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 26
- 238000001228 spectrum Methods 0.000 description 25
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 17
- 238000004458 analytical method Methods 0.000 description 12
- 238000012512 characterization method Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 10
- 229910052739 hydrogen Inorganic materials 0.000 description 10
- 239000001257 hydrogen Substances 0.000 description 10
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 8
- 238000005160 1H NMR spectroscopy Methods 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- -1 organofluorine compounds Chemical class 0.000 description 6
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 5
- 125000000217 alkyl group Chemical group 0.000 description 5
- 229910052731 fluorine Inorganic materials 0.000 description 5
- 239000011737 fluorine Substances 0.000 description 5
- FANCTJAFZSYTIS-IQUVVAJASA-N (1r,3s,5z)-5-[(2e)-2-[(1r,3as,7ar)-7a-methyl-1-[(2r)-4-(phenylsulfonimidoyl)butan-2-yl]-2,3,3a,5,6,7-hexahydro-1h-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol Chemical compound C([C@@H](C)[C@@H]1[C@]2(CCCC(/[C@@H]2CC1)=C\C=C\1C([C@@H](O)C[C@H](O)C/1)=C)C)CS(=N)(=O)C1=CC=CC=C1 FANCTJAFZSYTIS-IQUVVAJASA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- 239000012074 organic phase Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- MNIPVWXWSPXERA-IDNZQHFXSA-N (6r,7r)-1-[(4s,5r)-4-acetyloxy-5-methyl-3-methylidene-6-phenylhexyl]-4,7-dihydroxy-6-(11-phenoxyundecanoyloxy)-2,8-dioxabicyclo[3.2.1]octane-3,4,5-tricarboxylic acid Chemical compound C([C@@H](C)[C@H](OC(C)=O)C(=C)CCC12[C@@H]([C@@H](OC(=O)CCCCCCCCCCOC=3C=CC=CC=3)C(O1)(C(O)=O)C(O)(C(O2)C(O)=O)C(O)=O)O)C1=CC=CC=C1 MNIPVWXWSPXERA-IDNZQHFXSA-N 0.000 description 3
- PSWDQTMAUUQILQ-UHFFFAOYSA-N 2-[(6-methoxy-4-methylquinazolin-2-yl)amino]-5,6-dimethyl-1h-pyrimidin-4-one Chemical compound N1=C(C)C2=CC(OC)=CC=C2N=C1NC1=NC(=O)C(C)=C(C)N1 PSWDQTMAUUQILQ-UHFFFAOYSA-N 0.000 description 3
- 229940126650 Compound 3f Drugs 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- OSVHLUXLWQLPIY-KBAYOESNSA-N butyl 2-[(6aR,9R,10aR)-1-hydroxy-9-(hydroxymethyl)-6,6-dimethyl-6a,7,8,9,10,10a-hexahydrobenzo[c]chromen-3-yl]-2-methylpropanoate Chemical compound C(CCC)OC(C(C)(C)C1=CC(=C2[C@H]3[C@H](C(OC2=C1)(C)C)CC[C@H](C3)CO)O)=O OSVHLUXLWQLPIY-KBAYOESNSA-N 0.000 description 3
- 229940125796 compound 3d Drugs 0.000 description 3
- 125000004093 cyano group Chemical group *C#N 0.000 description 3
- 238000006115 defluorination reaction Methods 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 239000003480 eluent Substances 0.000 description 2
- IVYPNXXAYMYVSP-UHFFFAOYSA-N indole-3-methanol Chemical compound C1=CC=C2C(CO)=CNC2=C1 IVYPNXXAYMYVSP-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 2
- QRUBYZBWAOOHSV-UHFFFAOYSA-M silver trifluoromethanesulfonate Chemical compound [Ag+].[O-]S(=O)(=O)C(F)(F)F QRUBYZBWAOOHSV-UHFFFAOYSA-M 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- ZXSQEZNORDWBGZ-UHFFFAOYSA-N 1,3-dihydropyrrolo[2,3-b]pyridin-2-one Chemical group C1=CN=C2NC(=O)CC2=C1 ZXSQEZNORDWBGZ-UHFFFAOYSA-N 0.000 description 1
- 125000001637 1-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C(*)=C([H])C([H])=C([H])C2=C1[H] 0.000 description 1
- GVNVAWHJIKLAGL-UHFFFAOYSA-N 2-(cyclohexen-1-yl)cyclohexan-1-one Chemical compound O=C1CCCCC1C1=CCCCC1 GVNVAWHJIKLAGL-UHFFFAOYSA-N 0.000 description 1
- 125000001622 2-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C(*)C([H])=C([H])C2=C1[H] 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 101150065749 Churc1 gene Proteins 0.000 description 1
- 102100038239 Protein Churchill Human genes 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052789 astatine Inorganic materials 0.000 description 1
- RYXHOMYVWAEKHL-UHFFFAOYSA-N astatine atom Chemical compound [At] RYXHOMYVWAEKHL-UHFFFAOYSA-N 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003261 o-tolyl group Chemical group [H]C1=C([H])C(*)=C(C([H])=C1[H])C([H])([H])[H] 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000010898 silica gel chromatography Methods 0.000 description 1
- CQLFBEKRDQMJLZ-UHFFFAOYSA-M silver acetate Chemical compound [Ag+].CC([O-])=O CQLFBEKRDQMJLZ-UHFFFAOYSA-M 0.000 description 1
- 229940071536 silver acetate Drugs 0.000 description 1
- LKZMBDSASOBTPN-UHFFFAOYSA-L silver carbonate Substances [Ag].[O-]C([O-])=O LKZMBDSASOBTPN-UHFFFAOYSA-L 0.000 description 1
- 229910001958 silver carbonate Inorganic materials 0.000 description 1
- 229940096017 silver fluoride Drugs 0.000 description 1
- REYHXKZHIMGNSE-UHFFFAOYSA-M silver monofluoride Chemical compound [F-].[Ag+] REYHXKZHIMGNSE-UHFFFAOYSA-M 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- KKKDGYXNGYJJRX-UHFFFAOYSA-M silver nitrite Chemical compound [Ag+].[O-]N=O KKKDGYXNGYJJRX-UHFFFAOYSA-M 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- FJOLTQXXWSRAIX-UHFFFAOYSA-K silver phosphate Chemical compound [Ag+].[Ag+].[Ag+].[O-]P([O-])([O-])=O FJOLTQXXWSRAIX-UHFFFAOYSA-K 0.000 description 1
- 229940019931 silver phosphate Drugs 0.000 description 1
- 229910000161 silver phosphate Inorganic materials 0.000 description 1
- 229910001494 silver tetrafluoroborate Inorganic materials 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/10—Indoles; Hydrogenated indoles with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
- C07D209/12—Radicals substituted by oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B41/00—Formation or introduction of functional groups containing oxygen
- C07B41/06—Formation or introduction of functional groups containing oxygen of carbonyl groups
-
- 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
-
- 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
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/516—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of nitrogen-containing compounds to >C = O groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/46—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with hetero atoms directly attached to the ring nitrogen atom
- C07D207/48—Sulfur atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/40—Radicals substituted by oxygen atoms
- C07D307/46—Doubly bound oxygen atoms, or two oxygen atoms singly bound to the same carbon atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
- C07D307/80—Radicals substituted by oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
本发明属于精细化工有机合成技术领域,具体涉及一种制备α,α‑偕二氟羰基类化合物的方法。该方法包括:化合物a与化合物b以金属银盐为催化剂,在碱环境中反应得所述α,α‑偕二氟羰基类化合物;所述α,α‑偕二氟羰基类化合物的结构式如式III‑1或III‑2所示。该方法可以采用一锅法制备,操作简单,原料和试剂易得,反应条件温和,反应体系绿色环保,产物易分离纯化,适用于合成各种高度官能化的α,α‑偕二氟羰基类化合物,特别适用于大规模的工业生产,可以高效、高收率地制得高纯度的α,α‑偕二氟羰基类化合物。
Description
技术领域
本发明属于精细化工有机合成技术领域,具体涉及一种制备α,α-偕二氟羰基类化合物的方法。
背景技术
众所周知,有机氟化合物在制药,农业、材料科学等领域都发挥重要的作用。其中,α,α-偕二氟羰基类化合物是重要的结构单元,在药物合成以及功能材料制备等领域具有广泛的应用。从廉价易得的三氟甲类化合物为起始原料,通过C-F键断裂/C-C键形成是构建α,α-偕二氟羰基类化合物最为便捷且直接的方法,具有原子和步骤经济性,在工业生产中可以极大的降低成本提升经济效益。然而,由于碳-氟键的键能随着脱氟反应的进行而逐渐减弱,从而使其化学选择性难以控制而得到过度脱氟的产物,这极大的阻碍了此类化合物的高效获取,同时也限制了三氟甲基脱氟官能团化反应的发展,降低了目标化合物的收率。
发明内容
有鉴于此,本发明目的在于提供一种三氟甲基类化合物C-F键断裂/C-X键形成这一方法合成α,α-偕二氟羰基类化合物,该方法的开发可以快速将三氟甲基原材料进行高值化,可以大范围的简化生产流程,提高生产效率。
所述制备α,α-偕二氟羰基类化合物的方法包括:化合物a与化合物b以金属银盐为催化剂,在碱环境中反应得所述α,α-偕二氟羰基类化合物;所述α,α-偕二氟羰基类化合物的结构式如式III-1或III-2所示;所述化合物a的结构式如式I所示;
当所述α,α-偕二氟羰基类化合物选自结构式如式III-1所示化合物时,则化合物b选自结构式如式的结构式II-1所示化合物;或
当所述α,α-偕二氟羰基类化合物选自结构式如式III-2所示化合物时,则化合物b选自结构式如式的结构式II-2所示化合物;
其中,式I中,R选自H、取代或未取代的芳基、卤素、硝基、氰基、酯基、C1-C8的烷基、C1-C4的烷氧基中一种;式II-1和III-1中,R1、R2、R3、R4、R5各自独立选自H、卤素、硝基、氰基、酯基、C1-C8的烷基、C1-C4的烷氧基中一种,R3和R5为环状取代基或独立环状取代基;式II-2和III-中,R6、R7、R8各自独立选自H、取代或未取代的芳基、卤素、硝基、氰基、酯基、C1-C8的烷基、C1-C4的烷氧基中一种。
具体地,所述未取代的芳基指的是苯基;所述取代的芳基指的是邻甲苯基、1-萘基(或α-萘基)、2-萘基等;所述卤素指的是氟(F)、氯(Cl)、溴(Br)、碘(I)、砹(At)、石田(Ts);所述酯基指的是-COOR(R一般为烷基等其他非H基团);C1-C8的烷基指的是CH3-(甲基)、CH3CH2-(乙基)、CH3CH2CH2-(丙基)、(CH3)2CH-(异丙基)、CH3CH2CH2CH2-(正丁基)、(CH3)2CHCH2-(异丁基)、CH3CH2(CH3)CH-(仲丁基)、(CH3)3C-(叔丁基)等;C1-C4的烷氧基指的是甲氧基(CH3O-)、乙氧基(C2H5O-)、丙氧基(C3H7O-)等。
进一步,所述式II-1和III-1中,R3和R5为环状取代基,选自取代或未取代的杂环甲醇。
进一步,所述反应的反应溶剂选自1,2-二氯乙烷、1,4-二氧六环、N,N-二甲基甲酰胺、乙腈、氯仿、二甲基亚砜、甲苯中的一种或多种混合,最优选为甲苯,次优为1,2-二氯乙烷。
进一步,所述反应溶剂的量为所述化合物a的量的1-20mL/mmol,优选为5mL/mmol。
进一步,所述金属银盐为碳酸银、硝酸银、氧化银、氟化银、磷酸银、亚硝酸银、乙酸银、三氟甲磺酸银、四氟硼酸银,Tp(CF3)2Ag和TpBr3Ag中的一种或多种混合;其中,所述Tp(CF3 )2、TpBr3的结构式分别如式IV和IV所示,
优选地,所述金属银盐最优为TpBr3Ag,次优为Tp(CF3)2Ag,再次为三氟甲磺酸银。
进一步,所述碱环境中的碱选自DBU、Et3N、DBACO、吡啶、氢化钠、碳酸钾、碳酸铯、叔丁醇锂、氢氧化钾和氢氧化钠中的一种或多种混合。
优选地,所述碱环境中的碱最优为碳酸钾,次优为碳酸铯,再次为氢化钠。
进一步,所述化合物a与所述化合物b的摩尔比为1:1.5-2.5,优选为1:2。
进一步,所述金属银盐的量为所述化合物a的量的1-30mol%。最优为10mol%。
进一步,所述碱的量为所述化合物a的量的50-500mol%。最优为200mol%。
进一步,所述反应的反应温度为60-80℃,优选为80℃。
进一步,反应结束后,将反应液倾入饱和食盐水中,用二氯甲烷萃取,然后用饱和食盐水反洗有机相,经无水硫酸钠干燥、抽虑、减压蒸馏后再经硅胶柱层析分离,所得洗脱液减压蒸馏,干燥,得精制的α-α-偕二氟羰基类化合物。
本某些具体实施例中,所述制备α,α-偕二氟羰基类化合物的方法可采用一锅法进行制备。
优选地,所述α,α-偕二氟羰基类化合物选自式c-1所示化合物,所述化合物a选自式a所示化合物,所述化合物b选自式b-1所示化合物,
优选地,所述α,α-偕二氟羰基类化合物选自式c-2所示化合物,所述化合物a选自式a所示化合物,所述化合物b选自式b-2所示化合物,
优选地,所述α,α-偕二氟羰基类化合物选自式c-3所示化合物,所述化合物a选自式a所示化合物,所述化合物b选自式b-3所示化合物,
优选地,所述α,α-偕二氟羰基类化合物选自式c-4所示化合物,所述化合物a选自式a所示化合物,所述化合物b选自式b-4所示化合物,
优选地,所述α,α-偕二氟羰基类化合物选自式c-5所示化合物,所述化合物a选自式a所示化合物,所述化合物b选自式b-5所示化合物,
优选地,所述α,α-偕二氟羰基类化合物选自式c-6所示化合物,所述化合物a选自式a所示化合物,所述化合物b选自式b-6所示化合物,
本发明中,“R3和R5为环状取代基或独立取代基”中“R3和R5为环状取代基”指的是R3和R5相连接形成环状取代基,“R3和R5为独立取代基”指的是R3和R5相互独立,互不影响。
本发明中,“%mol”指的是摩尔百分数,如“A的量为B的量的50-500mol%”指的是:A的摩尔质量为B的摩尔质量的50-500%。
本发明有益效果在于
本发明提供的制备α,α-偕二氟羰基类化合物的方法选用金属银盐作催化剂,一锅法制备,操作简单,原料和试剂易得,反应条件温和,反应体系绿色环保,产物易分离纯化,适用于合成各种高度官能化的α,α-偕二氟羰基类化合物,特别适用于大规模的工业生产,可以高效、高收率地制得高纯度的α,α-偕二氟羰基类化合物。
附图说明
图1为α,α-偕二氟羰基类化合物3a的1H-NMR的核磁共振谱。
图2为α,α-偕二氟羰基类化合物3a的13C-NMR的核磁共振谱。
图3为α,α-偕二氟羰基类化合物3a的19F-NMR的核磁共振谱。
图4为α,α-偕二氟羰基类化合物3b的1H-NMR的核磁共振谱。
图5为α,α-偕二氟羰基类化合物3b的13C-NMR的核磁共振谱。
图6为α,α-偕二氟羰基类化合物3b的19F-NMR的核磁共振谱。
图7为α,α-偕二氟羰基类化合物3c的1H-NMR的核磁共振谱。
图8为α,α-偕二氟羰基类化合物3c的13C-NMR的核磁共振谱。
图9为α,α-偕二氟羰基类化合物3c的19F-NMR的核磁共振谱。
图10为α,α-偕二氟羰基类化合物3d的1H-NMR的核磁共振谱。
图11为α,α-偕二氟羰基类化合物3d的13C-NMR的核磁共振谱。
图12为α,α-偕二氟羰基类化合物3d的19F-NMR的核磁共振谱。
图13为α,α-偕二氟羰基类化合物3e的1H-NMR的核磁共振谱。
图14为α,α-偕二氟羰基类化合物3e的13C-NMR的核磁共振谱。
图15为α,α-偕二氟羰基类化合物3e的19F-NMR的核磁共振谱。
图16为α,α-偕二氟羰基类化合物3f的1H-NMR的核磁共振谱。
图17为α,α-偕二氟羰基类化合物3f的13C-NMR的核磁共振谱。
图18为α,α-偕二氟羰基类化合物3f的19F-NMR的核磁共振谱。
具体实施方式
所举实施例是为了更好地对本发明进行说明,但并不是本发明的内容仅局限于所举实施例。所以熟悉本领域的技术人员根据上述发明内容对实施方案进行非本质的改进和调整,仍属于本发明的保护范围。
实施例1:α,α-偕二氟羰基类化合物3a的制备
本发明实施例按照以下反应式进行:
在手套箱中,向带有磁力搅拌装置的25mL耐压管中依次三氟甲基苯磺酰腙1a(118mg,0.3mmol)和3-吲哚甲醇2a(180.6mg,0.6mmol),加入TpBr3Ag(33.3mg,10mol%),K2CO3(82.8mg,0.6mmol),加入甲苯(6mL)搅拌均匀后,将其放入80℃油浴中继续搅拌。TLC(展开剂为V石油醚:V乙酸乙酯=20:1)检测底物消失,反应结束。将反应液倾入饱和食盐水中(10mL),用二氯甲烷(3×10mL)萃取,合并有机相,然后用饱和氯化钠水(3×10mL)反洗有机相,经过无水硫酸钠干燥、抽虑、减压蒸馏等步骤得到粘稠的固体,最后经过硅胶柱层析(洗脱液为V石油醚:V乙酸乙酯=80:1)得到白色固体,经过核磁表征分析,证实该产物为α-α-偕二氟羰基衍生物3a,其收率为92%,纯度98%以上。
对所得白色固体(α-α-偕二氟羰基衍生物3a)测试熔点得,熔点为161-162℃;
白色固体核磁表征分析数据和谱图如下:
氢谱图如图1所示,具体数据为:1H NMR(500MHz,CDCl3)δ8.07(d,J=8.0Hz,2H),7.61(t,J=8.0Hz,2H),7.47(t,J=8.0Hz,2H),7.43(d,J=8.5Hz,2H),7.25(d,J=7.5Hz,2H),7.12-7.06(m,3H),5.50(s,1H),5.43(dd,J=12.5,10.5Hz,1H),5.17(s,1H),2.30(s,3H);
碳谱图如图2所示,具体数据为:13C NMR(125MHz,CDCl3)δ189.1(t,J=27.5Hz),144.5,143.9,137.7,134.3,133.4,133.0,131.2,130.2(t,J=3.8Hz),130.0,129.6,128.5,127.4,125.7,120.8,118.4,116.1(t,J=258.8Hz),109.5,66.8(dd,J=26.3,25.0Hz),21.5;
氟谱图如图3所示,具体数据为:19F NMR(470MHz,CDCl3)δ-106.32(dd,J=270.3,9.9Hz),-110.62(dd,J=273.5,12.7Hz)。
实施例2α,α-偕二氟羰基类化合物3b的制备
本发明实施例中,用2b代替实施例1中的2a,其他条件同实施例1(反应式如下),制备得到无色液体,经过核磁表征分析,证实该产物为α-α-偕二氟羰基衍生物3b,其收率为89%,纯度98%以上。
无色液体核磁表征分析数据和谱图如下,其中:
氢谱图如图4所示,具体数据为:1H NMR(500MHz,DMSO)δ8.03(d,J=8.0Hz,2H),7.77(t,J=7.0Hz,1H),7.64-7.58(m,3H),7.25(t,J=7.5Hz,1H),6.99(t,J=7.5Hz,1H),6.91(d,J=8.5Hz,1H),6.09(dd,J=17.0,7.0Hz,1H),5.86(s,1H),5.30(s,1H);
碳谱图如图5所示,具体数据为:13C NMR(150MHz,DMSO)δ188.6(dd,J=28.5,27.0Hz),161.7,139.4,135.6,132.3,131.4,130.2,129.7,125.8,122.4,121.9,116.0(t,J=255.0Hz),110.9,107.1,82.2(dd,J=28.5,25.5Hz);
氟谱图如图6所示,具体数据为:19F NMR(564MHz,DMSO)δ-109.83(dd,J=277.5,6.8Hz),-115.51(dd,J=277.5,16.9Hz)。
实施例3α,α-偕二氟羰基类化合物3c的制备
本发明实施中,用2c代替实施例1中的2a,其他条件同实施例1(反应式如下),制备得到无色液体,经过核磁表征分析,证实该产物为α-α-偕二氟羰基衍生物3c,其收率为82%,纯度98%以上。
无色液体核磁表征分析数据和谱图如下,其中:
氢谱图如图7所示,具体数据为:1H NMR(600MHz,CDCl3)δ8.11(d,J=7.2Hz,1H),7.64(t,J=7.2Hz,1H),7.50(t,J=8.4Hz,1H),6.59(s,1H),5.18(s,1H),4.84(s,1H),4.52(s,1H),4.50-4.42(m,1H);
氢谱图如图8所示,具体数据为:13C NMR(125MHz,CDCl3)δ188.7(t,J=31.3Hz),156.8(d,J=2.5Hz),147.5,134.5,132.1,130.2(t,J=3.8Hz),128.7,116.7(t,J=256.3Hz),99.5,90.0,48.7(t,J=25.0Hz);
氢谱图如图9所示,具体数据为:19F NMR(564MHz,CDCl3)δ-104.57(dd,J=288.8,13.0Hz),-105.59(dd,J=288.2,16.4Hz)。
实施例4α,α-偕二氟羰基类化合物3d的制备
本发明实施中,用2d代替实施例1中的2a,其他条件同实施例1(反应式如下),制备得到无色液体,经过核磁表征分析,证实该产物为α-α-偕二氟羰基衍生物3d,其收率为89%,纯度98%以上。
无色液体核磁表征分析数据和谱图如下,其中:
氢谱图如图10所示,具体数据为:
1H NMR(500MHz,DMSO)δ7.88(d,J=7.5Hz,2H),7.75(t,J=7.5Hz,1H),7.70(d,J=8.0Hz,2H),7.57(dd,J=8.0,7.5Hz,2H),7.42(d,J=8.0Hz,2H),6.99(dd,J=4.5,1.5Hz,1H),5.41(s,1H),5.27-5.23(m,1H),4.74(s,1H),4.51(t,J=13.5Hz,1H),2.38(s,3H);
氢谱图如图11所示,具体数据为:13C NMR(125MHz,DMSO)δ189.3(t,J=30.0Hz),145.7,140.5,136.0,135.6,133.7,132.5,130.8,130.6,130.1,128.4,117.3(t,J=255.0Hz),106.4,99.4,52.5(t,J=23.8Hz),22.0;
氢谱图如图12所示,具体数据为:19F NMR(470MHz,DMSO)δ-104.46(dd,J=275.4,12.7Hz),-105.35(dd,J=275.9,16.5Hz)。
实施例5α,α-偕二氟羰基类化合物3e的制备
本发明实施中,用2e代替实例1中的2a,其他条件同实例1(反应式如下),制备得到无色液体,经过核磁表征分析,证实该产物为α-α-偕二氟羰基衍生物3e,其收率为87%,纯度98%以上。
无色液体核磁表征分析数据和谱图如下,其中:
氢谱图如图13所示,具体数据为:1H-NMR(500MHz,CDCl3)δ8.04(d,J=8.0Hz,2H),7.62-7.56(m,1H),7.48-7.42(m,2H),6.01(dd,J=17.5,11.0Hz,1H),5.18-5.11(m,2H),1.27(s,6H);
碳谱图如图14所示,具体数据为:13C-NMR(125MHz,CDCl3)δ190.3(t,J=31.3Hz),140.0(t,J=3.8Hz),134.2(t,J=2.5Hz),133.8,130.2(t,J=5.0Hz),128.4,120.7(t,J=258.8Hz),115.3,43.5(t,J=21.3Hz),21.2(t,J=3.8Hz)(图14);
氟谱图如图15所示,具体数据为19F-NMR(470MHz,CDCl3)δ-107.41(s)。
实施例6α,α-偕二氟羰基类化合物3f的制备
本发明实施例中,使用2f代替实施例1中的2a,其他条件同实施例1(反应式如下),制备得到无色液体,经过核磁表征分析,证实该产物为α-α-偕二氟羰基衍生物3f,其收率为92%,纯度98%以上。
无色液体核磁表征分析数据和谱图如下,其中:
氢谱图如图16所示,具体数据为:无色液体;1H-NMR(500MHz,CDCl3)δ8.08(d,J=8.0Hz,2H),7.64(t,J=7.5Hz,1H),7.49(t,J=7.8Hz,2H),5.71(tt,J=9.3,6.8Hz,1H),5.12(q,J=6.5Hz,2H);
碳谱图如图17所示,具体数据为:13C-NMR(125MHz,CDCl3)δ209.4(t,J=9.0Hz),188.1(t,J=30.3Hz),134.3,131.9,130.2(t,J=2.9Hz),128.6,115.3(t,J=251.3Hz),88.1(t,J=30.4Hz),81.3;
氟谱图如图18所示,具体数据为:19F NMR(470MHz,CDCl3)δ-94.4(dt,J=8.5,6.8Hz);
对所得产品进行质谱分析(HRMS(ESI)m/z)得,分子式为C11H8F2NaO,217.0433。
最后说明的是,以上实施例仅用以说明本发明的技术方案而非限制,尽管参照较佳实施例对本发明进行了详细说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的宗旨和范围,其均应涵盖在本发明的权利要求范围当中。
Claims (7)
1.一种制备α,α-偕二氟羰基类化合物的方法,其特征在于,所述方法包括:化合物a与化合物b以金属银盐为催化剂,在碱环境中反应得所述α,α-偕二氟羰基类化合物;所述化合物a的结构式如式a所示;
当所述化合物b选自结构式b-1所示化合物,所述α,α-偕二氟羰基类化合物选自式c-1所示化合物;或
当所述化合物b选自结构式b-2所示化合物,所述α,α-偕二氟羰基类化合物选自式c-2所示化合物;或
当所述化合物b选自结构式b-3所示化合物,所述α,α-偕二氟羰基类化合物选自式c-3所示化合物;或
当所述化合物b选自结构式b-4所示化合物,所述α,α-偕二氟羰基类化合物选自式c-4所示化合物;或
当所述化合物b选自结构式b-5所示化合物,所述α,α-偕二氟羰基类化合物选自式c-5所示化合物;或
当所述化合物b选自结构式b-6所示化合物,所述α,α-偕二氟羰基类化合物选自式c-6所示化合物;
所述金属盐为TpBr3Ag,TpBr3的结构式如式V所示,
2.根据权利要求1所述的方法,其特征在于,所述反应的反应溶剂选自1,2-二氯乙烷、1,4-二氧六环、N,N-二甲基甲酰胺、乙腈、氯仿、二甲基亚砜、甲苯中的一种或多种混合。
3.根据权利要求1所述的方法,其特征在于,所述碱环境中的碱选自DBU、Et3N、DBACO、吡啶、氢化钠、碳酸钾、碳酸铯、叔丁醇锂、氢氧化钾和氢氧化钠中的一种或多种混合。
4.根据权利要求1所述的方法,其特征在于,所述化合物a与所述化合物b的摩尔比为1:1.5-2.5。
5.根据权利要求1所述的方法,其特征在于,所述金属银盐的量为所述化合物a的量的1-30mol%。
6.根据权利要求1所述的方法,其特征在于,所述碱的量为所述化合物a的量的50-500mol%。
7.根据权利要求1所述的方法,其特征在于,所述反应的反应温度为60-80℃。
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