CN105237480B - 一种2‑三氟甲基苯并咪唑化合物及其制备方法 - Google Patents
一种2‑三氟甲基苯并咪唑化合物及其制备方法 Download PDFInfo
- Publication number
- CN105237480B CN105237480B CN201510498092.5A CN201510498092A CN105237480B CN 105237480 B CN105237480 B CN 105237480B CN 201510498092 A CN201510498092 A CN 201510498092A CN 105237480 B CN105237480 B CN 105237480B
- Authority
- CN
- China
- Prior art keywords
- ethyl acetate
- compound
- filtering
- reduced pressure
- yield
- 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.)
- Active
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- MXFMPTXDHSDMTI-UHFFFAOYSA-N 2-(trifluoromethyl)-1h-benzimidazole Chemical class C1=CC=C2NC(C(F)(F)F)=NC2=C1 MXFMPTXDHSDMTI-UHFFFAOYSA-N 0.000 title abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims abstract description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N ethyl acetate Substances CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 125
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 62
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 39
- 239000003208 petroleum Substances 0.000 claims description 34
- 239000007787 solid Substances 0.000 claims description 34
- 238000000926 separation method Methods 0.000 claims description 33
- 238000001914 filtration Methods 0.000 claims description 32
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 30
- 239000012074 organic phase Substances 0.000 claims description 30
- 238000005406 washing Methods 0.000 claims description 30
- QAMFBRUWYYMMGJ-UHFFFAOYSA-N hexafluoroacetylacetone Chemical compound FC(F)(F)C(=O)CC(=O)C(F)(F)F QAMFBRUWYYMMGJ-UHFFFAOYSA-N 0.000 claims description 28
- 238000012544 monitoring process Methods 0.000 claims description 26
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 19
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 16
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 8
- LFQKIPWZIYUJLP-UHFFFAOYSA-N 2-n-fluorobenzene-1,2-diamine Chemical class NC1=CC=CC=C1NF LFQKIPWZIYUJLP-UHFFFAOYSA-N 0.000 claims description 3
- XSZYBMMYQCYIPC-UHFFFAOYSA-N 4,5-dimethyl-1,2-phenylenediamine Chemical compound CC1=CC(N)=C(N)C=C1C XSZYBMMYQCYIPC-UHFFFAOYSA-N 0.000 claims description 2
- DGRGLKZMKWPMOH-UHFFFAOYSA-N 4-methylbenzene-1,2-diamine Chemical compound CC1=CC=C(N)C(N)=C1 DGRGLKZMKWPMOH-UHFFFAOYSA-N 0.000 claims description 2
- 239000002024 ethyl acetate extract Substances 0.000 claims 13
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 claims 4
- 239000012267 brine Substances 0.000 claims 2
- 239000012071 phase Substances 0.000 claims 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims 2
- 238000001228 spectrum Methods 0.000 claims 2
- VIFJUCNPGXNIFD-UHFFFAOYSA-N 2-n-bromobenzene-1,2-diamine Chemical class NC1=CC=CC=C1NBr VIFJUCNPGXNIFD-UHFFFAOYSA-N 0.000 claims 1
- RAUWPNXIALNKQM-UHFFFAOYSA-N 4-nitro-1,2-phenylenediamine Chemical compound NC1=CC=C([N+]([O-])=O)C=C1N RAUWPNXIALNKQM-UHFFFAOYSA-N 0.000 claims 1
- 229910021577 Iron(II) chloride Inorganic materials 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 4
- -1 aryl diamine compound Chemical group 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000011203 carbon fibre reinforced carbon Substances 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 231100000053 low toxicity Toxicity 0.000 abstract 1
- 238000007363 ring formation reaction Methods 0.000 abstract 1
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 54
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 22
- 238000000605 extraction Methods 0.000 description 16
- 238000003786 synthesis reaction Methods 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 13
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 11
- 238000004293 19F NMR spectroscopy Methods 0.000 description 11
- 238000005160 1H NMR spectroscopy Methods 0.000 description 11
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 8
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 8
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 5
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 5
- 125000000171 (C1-C6) haloalkyl group Chemical group 0.000 description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 125000005907 alkyl ester group Chemical group 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 125000000753 cycloalkyl group Chemical group 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 125000004890 (C1-C6) alkylamino group Chemical group 0.000 description 2
- 125000006552 (C3-C8) cycloalkyl group Chemical group 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 2
- 229910021575 Iron(II) bromide Inorganic materials 0.000 description 2
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 125000004093 cyano group Chemical group *C#N 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 2
- OSHOQERNFGVVRH-UHFFFAOYSA-K iron(3+);trifluoromethanesulfonate Chemical compound [Fe+3].[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F OSHOQERNFGVVRH-UHFFFAOYSA-K 0.000 description 2
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 2
- GYCHYNMREWYSKH-UHFFFAOYSA-L iron(ii) bromide Chemical compound [Fe+2].[Br-].[Br-] GYCHYNMREWYSKH-UHFFFAOYSA-L 0.000 description 2
- 150000004987 o-phenylenediamines Chemical class 0.000 description 2
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- FEONEKOZSGPOFN-UHFFFAOYSA-K tribromoiron Chemical compound Br[Fe](Br)Br FEONEKOZSGPOFN-UHFFFAOYSA-K 0.000 description 2
- QAEDZJGFFMLHHQ-UHFFFAOYSA-N trifluoroacetic anhydride Chemical compound FC(F)(F)C(=O)OC(=O)C(F)(F)F QAEDZJGFFMLHHQ-UHFFFAOYSA-N 0.000 description 2
- VPAYJEUHKVESSD-UHFFFAOYSA-N trifluoroiodomethane Chemical compound FC(F)(F)I VPAYJEUHKVESSD-UHFFFAOYSA-N 0.000 description 2
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 2
- 0 *c1nc(cccc2)c2[n]1 Chemical compound *c1nc(cccc2)c2[n]1 0.000 description 1
- YKKYRNSRLGCTDO-UHFFFAOYSA-N 1-methyl-2-(trifluoromethyl)benzimidazole Chemical class C1=CC=C2N(C)C(C(F)(F)F)=NC2=C1 YKKYRNSRLGCTDO-UHFFFAOYSA-N 0.000 description 1
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 1
- KBPZVLXARDTGGD-UHFFFAOYSA-N 2,3-dihydroxybutanedioic acid;iron Chemical compound [Fe].OC(=O)C(O)C(O)C(O)=O KBPZVLXARDTGGD-UHFFFAOYSA-N 0.000 description 1
- BKFXAUQYNCJXIZ-UHFFFAOYSA-N 2,6-bis(trifluoromethyl)-1h-benzimidazole Chemical compound C1=C(C(F)(F)F)C=C2NC(C(F)(F)F)=NC2=C1 BKFXAUQYNCJXIZ-UHFFFAOYSA-N 0.000 description 1
- LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 description 1
- HSTOKWSFWGCZMH-UHFFFAOYSA-N 3,3'-diaminobenzidine Chemical class C1=C(N)C(N)=CC=C1C1=CC=C(N)C(N)=C1 HSTOKWSFWGCZMH-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- OLLDPPSRICPSTA-UHFFFAOYSA-N 6-methyl-2-(trifluoromethyl)-1h-benzimidazole Chemical class CC1=CC=C2N=C(C(F)(F)F)NC2=C1 OLLDPPSRICPSTA-UHFFFAOYSA-N 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
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 238000007445 Chromatographic isolation Methods 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- ZZRMDPMUZKDLTO-UHFFFAOYSA-N FC(c1nc2cc(F)ccc2[nH]1)(F)F Chemical compound FC(c1nc2cc(F)ccc2[nH]1)(F)F ZZRMDPMUZKDLTO-UHFFFAOYSA-N 0.000 description 1
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- 208000005176 Hepatitis C Diseases 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 206010054949 Metaplasia Diseases 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- KWEWNOOZQVJONF-UHFFFAOYSA-N Nc(c(N)c1)ccc1F Chemical compound Nc(c(N)c1)ccc1F KWEWNOOZQVJONF-UHFFFAOYSA-N 0.000 description 1
- NKLLCNFOTJDNER-UHFFFAOYSA-N O=C(CCC(C(F)(F)F)=O)C(F)(F)F Chemical compound O=C(CCC(C(F)(F)F)=O)C(F)(F)F NKLLCNFOTJDNER-UHFFFAOYSA-N 0.000 description 1
- 229910019213 POCl3 Inorganic materials 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- MCDLETWIOVSGJT-UHFFFAOYSA-N acetic acid;iron Chemical compound [Fe].CC(O)=O.CC(O)=O MCDLETWIOVSGJT-UHFFFAOYSA-N 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000000840 anti-viral effect Effects 0.000 description 1
- 229940049706 benzodiazepine Drugs 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
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000002050 diffraction method Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- 229940056319 ferrosoferric oxide Drugs 0.000 description 1
- 229940046149 ferrous bromide Drugs 0.000 description 1
- 229940095991 ferrous disulfide Drugs 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000001188 haloalkyl group Chemical group 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 150000004693 imidazolium salts Chemical class 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- BQZFDPZOAJMUIU-UHFFFAOYSA-N iron(3+);hexacyanide Chemical compound [Fe+3].[Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] BQZFDPZOAJMUIU-UHFFFAOYSA-N 0.000 description 1
- PVFSDGKDKFSOTB-UHFFFAOYSA-K iron(3+);triacetate Chemical compound [Fe+3].CC([O-])=O.CC([O-])=O.CC([O-])=O PVFSDGKDKFSOTB-UHFFFAOYSA-K 0.000 description 1
- YPJCVYYCWSFGRM-UHFFFAOYSA-H iron(3+);tricarbonate Chemical compound [Fe+3].[Fe+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O YPJCVYYCWSFGRM-UHFFFAOYSA-H 0.000 description 1
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- BQZGVMWPHXIKEQ-UHFFFAOYSA-L iron(ii) iodide Chemical compound [Fe+2].[I-].[I-] BQZGVMWPHXIKEQ-UHFFFAOYSA-L 0.000 description 1
- ZSJLSZPVBBDLAG-UHFFFAOYSA-N iron;2,2,2-trifluoroacetic acid Chemical compound [Fe].OC(=O)C(F)(F)F ZSJLSZPVBBDLAG-UHFFFAOYSA-N 0.000 description 1
- LWLURCPMVVCCCR-UHFFFAOYSA-N iron;4-methylbenzenesulfonic acid Chemical compound [Fe].CC1=CC=C(S(O)(=O)=O)C=C1 LWLURCPMVVCCCR-UHFFFAOYSA-N 0.000 description 1
- QZLVALRWETVYSE-UHFFFAOYSA-N iron;trifluoromethanesulfonic acid Chemical compound [Fe].OS(=O)(=O)C(F)(F)F QZLVALRWETVYSE-UHFFFAOYSA-N 0.000 description 1
- FLTRNWIFKITPIO-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe] FLTRNWIFKITPIO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 230000001035 methylating effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- PAMCRRDMORMCSM-UHFFFAOYSA-N n-(trifluoromethyl)benzamide Chemical compound FC(F)(F)NC(=O)C1=CC=CC=C1 PAMCRRDMORMCSM-UHFFFAOYSA-N 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- FDRCDNZGSXJAFP-UHFFFAOYSA-M sodium chloroacetate Chemical compound [Na+].[O-]C(=O)CCl FDRCDNZGSXJAFP-UHFFFAOYSA-M 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 150000003556 thioamides Chemical class 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
- 125000004044 trifluoroacetyl group Chemical group FC(C(=O)*)(F)F 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
- C07D235/06—Benzimidazoles; Hydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
- C07D235/10—Radicals substituted by halogen atoms or nitro radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
本发明涉及一种2‑三氟甲基苯并咪唑化合物及其制备方法。该方法以邻芳基二胺化合物(I)或(II)与1,1,1,5,5,5‑六氟乙酰丙酮为原料,廉价、易得、低毒的铁盐为催化剂,通过缩合、环合、碳碳键断裂得到产物(III)或(IV)。本发明所提供的2‑三氟甲基苯并咪唑化合物的制备方法,反应条件温和,成本低、环境友好、产率高,适合工业化生产。
Description
技术领域:
本发明属于有机合成技术领域,具体涉及一种2-三氟甲基苯并咪唑化合物及其制备方法。
背景技术
苯并咪唑及其衍生物具有杀菌、杀虫、抗病毒等活性,可作为核酸生物合成的阻化剂。三氟甲基(CF3)具有强电负性、亲脂性和稳定的C-F键,三氟甲基的引入能够改变化合物的极性、酸性、亲脂性及其代谢和化学稳定性,从而改变化合物的生物活性。
2-三氟甲基苯并咪唑及其衍生物具有独特的生物活性,在农业化学品、功能材料和药物方面有广泛的应用。例如:含2-三氟甲基苯甲酰胺苯并咪唑类化合物具有优良的杀虫、杀菌活性(CN103864694);1-芳磺酰基-1H-苯并咪唑衍生物具有抗HCV活性,可用作抗慢性丙型肝炎药物(CN102558067)。
关于2-三氟甲基苯并咪唑化合物的制备,目前报道的主要方法以三氟乙酸为三氟甲基试剂,但三氟乙酸需过量,易挥发,腐蚀性强。
反应条件:1.CF3COOH为反应物和溶剂,70℃;(Tetrahedron Lett.,2013,54(3):201-204);2.H3PO4,二醇为溶剂,回流;(Journal of Chemical Crystallography,2004,34(9):597-601);3.HCl,110℃,(European Journal of Medicinal Chemistry,2006,41(1):135-141);4.TEA,PPh3,CCl4,回流,(Tetrahedron Lett.,2007,48(18):3251-3254);5.N2H4,POCl3,(Journal of Fluorine Chemistry,1983,23(3):293-9).
也有报道以三氟碘甲烷为三氟甲基试剂(Journal of Fluorine Chemistry,1982,47(15):2867-2872),但三氟碘甲烷为气体,实验操作不方便。三氟乙酸酐(IndianJournal of Heterocyclic Chemistry,2009,(4):307-308)、2-(三氟乙酰基)环己酮(Russian Chemical Bulletin,1999,48(3):557-560)、2,2,2-三氟乙烷硫代酰胺(ZhurnalOrganichnoi ta Farmatsevtichnoi Khimii,2006,4(1):38-40)也可用于2-三氟甲基苯并咪唑化合物的合成,但大多数三氟甲基试剂比较特殊,不易得到。
发明内容
本发明的目的在于提供一种2-三氟甲基苯并咪唑化合物及其制备方法,所制备的2-三氟甲基苯并咪唑化合物的结构如式III、IV所示:
其中,X1、X2、X3、X4为氢、卤素、氨基、硝基、氰基、羟基、巯基、C1—C6烷基、C1—C6卤代烷基、C3—C8环烷基、C1—C6烷基氧基、C1—C6烷基氨基、甲酸C1—C6烷基酯基中的任意一种;R为氢、C1—C6烷基、C1—C6卤代烷基、C3—C8环烷基中的任意一种;
本发明的另一目的在于提供一种反应条件温和、成本低、环境友好、产率高,适合工业化生产的2-三氟甲基苯并咪唑化合物的合成方法。以邻苯二胺衍生物(I)或(II)和1,1,1,5,5,5-六氟乙酰丙酮为原料,以廉价、易得的铁盐为催化剂,在适当的反应条件下即可得2-三氟甲基苯并咪唑化合物(III)或(IV)。具体反应方程式如下:
所述的铁盐催化剂为氯化铁(FeCl3)、氯化亚铁(FeCl2)、溴化铁(FeBr3)、溴化亚铁(FeBr2)、硫酸铁(Fe2(SO4)3)、硫酸亚铁(FeSO4)、醋酸铁(Fe(OAc)3)、醋酸亚铁(Fe(OAc)2)、三氟甲磺酸铁(Fe(OTf)3)、三氟甲磺酸亚铁(Fe(OTf)2)、对甲苯磺酸铁(Fe(OTs)3)、对甲苯磺酸亚铁(Fe(OTs)2)、氢氧化铁(Fe(OH)3)、氢氧化亚铁(Fe(OH)2)、碳酸铁(Fe2(CO3)3)、碳酸亚铁(FeCO3)、酒石酸铁、柠檬酸铁、三氟乙酸铁、三氟乙酸亚铁、氯乙酸铁、磷酸铁(FePO4)、硝酸铁(Fe(NO3)3)、铁氰化铁、碘化亚铁(FeI2)、氧化铁(Fe2O3)、氧化亚铁(FeO)、四氧化三铁(Fe3O4)、硫化亚铁(FeS)、二硫化铁(FeS2)及相应的水合物中的任意一种或任意几种的混合物;
所述的邻苯二胺衍生物(I)和(II)中,X1、X2、X3、X4为氢、卤素、氨基、硝基、氰基、羟基、巯基、C1—C6烷基、C1—C6卤代烷基、C3—C8环烷基、C1—C6烷基氧基、C1—C6烷基氨基、甲酸C1—C6烷基酯基中的任意一种;X1、X2、X3、X4进一步优选为氢、卤素、氨基、硝基、C1—C6烷基、C1—C6卤代烷基、甲酸C1—C6烷基酯基中的任意一种;
上述中任一项化合物(I)、(II)、(III)和(IV)的定义中,所用术语不论单独使用还是用在复合词中,代表如下取代基:
卤素:指氟、氯、溴、碘;
烷基:指直链或支链烷基;
卤代烷基:指直链或支链烷基,在这些烷基上的氢原子部分或全部被卤原子取代;
环烷基:指饱和或不饱和的环烷基;
本发明为2-三氟甲基苯并咪唑化合物的合成提供新方法。本发明与现有技术相比具有如下优点:催化剂廉价易得、反应条件温和、选择性高、成本低且产率高,适合工业化生产。
具体实施方式
下面结合具体实施例,对本发明作进一步说明,但本发明并不限于以下实施例。
实施例1:2-三氟甲基苯并咪唑的合成
邻苯二胺(22mg,0.2mmol),1,1,1,5,5,5-六氟乙酰丙酮(63mg,0.3mmol),Fe(OTf)3(10.1mg,0.02mmol)和N,N-二甲基甲酰胺(1mL),80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,饱和食盐水洗涤(20ml×2),无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得黄色固体36.9mg,产率99%.1H NMR(400MHz,CDCl3)δ=10.63(s,1H),7.89(s,1H),7.57(s,1H),7.42(s,2H);13C NMR(100MHz,CDCl3)δ=142.10,140.53(q,J=40.1Hz),133.03,125.65,123.88,121.18,120.17,117.48,112.00,40.85;19F NMR(375MHz,CDCl3)δ=-64.09(s,3F).
实施例2:邻苯二胺(22mg,0.2mmol),1,1,1,5,5,5-六氟乙酰丙酮(63mg,0.3mmol),Fe(OAc)2(3.5mg,0.02mmol)和N,N-二甲基甲酰胺(1mL),80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,饱和食盐水洗涤(20ml×2),无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得黄色固体32.0mg,产率86%.
实施例3:邻苯二胺(22mg,0.2mmol),1,1,1,5,5,5-六氟乙酰丙酮(63mg,0.3mmol),FeCl2(3.3mg,0.02mmol)和N,N-二甲基甲酰胺(1mL),80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,饱和食盐水洗涤(20ml×2),无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得黄色固体30.4mg,产率82%.
实施例4:邻苯二胺(22mg,0.2mmol),1,1,1,5,5,5-六氟乙酰丙酮(63mg,0.3mmol),FeCl3(4.0mg,0.02mmol)和N,N-二甲基甲酰胺(1mL),80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,饱和食盐水洗涤(20ml×2),无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得黄色固体29.0mg,产率80%.
实施例5:邻苯二胺(22mg,0.2mmol),1,1,1,5,5,5-六氟乙酰丙酮(63mg,0.3mmol),FeCl3·6H2O(5.4mg,0.02mmol)和N,N-二甲基甲酰胺(1mL),80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,饱和食盐水洗涤(20ml×2),无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得黄色固体32.9mg,产率88%.
实施例6:邻苯二胺(22mg,0.2mmol)、1,1,1,5,5,5-六氟乙酰丙酮(0.3mmol,63mg)和FeCl3·6H2O(5.4mg,0.02mmol),N,N-二甲基甲酰胺(1mL),100℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,饱和食盐水洗涤(20ml×2),无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得黄色固体29.2mg,产率78%。
实施例7:邻苯二胺(22mg,0.2mmol),1,1,1,5,5,5-六氟乙酰丙酮(63mg,0.3mmol),Fe(OTf)3(5.1mg,0.01mmol)和N,N-二甲基甲酰胺(1mL),80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,饱和食盐水洗涤(20ml×2),无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得黄色固体26.4mg,产率71%。
实施例8:邻苯二胺(22mg,0.2mmol)、1,1,1,5,5,5-六氟乙酰丙酮(0.3mmol,63mg)和FeCl3·6H2O(5.4mg,0.02mmol),乙醇(1mL),80℃下反应24h,TLC监测反应,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得黄色固体24mg,产率64%。
实施例9:邻苯二胺(22mg,0.2mmol)、1,1,1,5,5,5-六氟乙酰丙酮(0.3mmol,63mg)和FeCl3·6H2O(5.4mg 0.02mmol),1,4-二氧六环(1mL),80℃下反应24h,TLC监测反应,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得黄色固体11mg,产率30%。
实施例10:5-硝基-2-三氟甲基苯并咪唑的合成
4-硝基-1,2-苯二胺(31mg,0.2mmol)、1,1,1,5,5,5-六氟乙酰丙酮(63mg,0.3mmol)和Fe(OTf)3(10.1mg,0.02mmol),N,N-二甲基甲酰胺(1mL),80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,饱和食盐水洗涤(20ml×2),无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得褐色固体42.8mg,产率93%。1H NMR(400MHz,DMSO)δ=8.66(s,1H),8.26(dd,J 1=8.8Hz,J2=1.2Hz,1H),7.91(d,J=8.8Hz,1H);13C NMR(100MHz,DMSO)δ=145.39(q,J=38.8Hz),144.18,142.05,139.40,120.10,119.66,117.86,116.75,115.09;19F NMR(375MHz,DMSO)δ=-63.25(s,3F)。
实施例11:2,5-二(三氟甲基)苯并咪唑的合成
4-三氟甲基-1,2-苯二胺(35mg,0.2mmol)、1,1,1,5,5,5-六氟乙酰丙酮(63mg,0.3mmol)和Fe(OTf)3(10.1mg,0.02mmol),N,N-二甲基甲酰胺(1mL),80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,饱和食盐水洗涤(20ml×2),无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得灰色固体39.1mg,产率77%。1H NMR(400MHz,DMSO)δ8.16=(s,1H),7.94(d,J=8.4Hz,1H),7.72(d,J=8.4Hz,1H);13C NMR(100MHz,DMSO)δ=143.25,142.85,142.45,126.42,125.09(q,JF=31.7Hz),123.71,121.33,120.51,117.82;19F NMR(376MHz,DMSO)δ=-59.38(s,3F),-63.15(s,3F)。
实施例12:5,6-二氟-2-三氟甲基苯并咪唑的合成
4,5-二氟-1,2-苯二胺(29mg,0.2mmol)、1,1,1,5,5,5-六氟乙酰丙酮(63mg,0.3mmol)和Fe(OTf)3(10.1mg,0.02mmol),N,N-二甲基甲酰胺(1mL),80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,饱和食盐水洗涤(20ml×2),无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得黄色固体38.8mg,产率87%。1H NMR(400MHz,DMSO)δ=7.83(t,J=9.2Hz,2H);13C NMR(100MHz,DMSO)δ=149.24(dd,J=241Hz,17.0Hz),142.30(q,J=39.5Hz),133.88,123.16,120.47,117.78,115.09,104.73;19F NMR(375MHz,DMSO)δ=-62.94(s,3F),-140.81(s,2F)。
实施例13:5-氟-2-三氟甲基苯并咪唑的合成
4-氟-1,2-苯二胺(26mg,0.2mmol)、1,1,1,5,5,5-六氟乙酰丙酮(63mg,0.3mmol)和Fe(OTf)3(10.1mg,0.02mmol),N,N-二甲基甲酰胺(1mL),80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,饱和食盐水洗涤(20ml×2),无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得黄色固体36.6mg,产率90%。1HNMR(400MHz,DMSO)δ=7.76(dd,J1=8.8Hz,J2=4.8Hz,1H),7.54(dd,J1=9.2Hz,J2=2.4Hz,1H),7.27(dt,J1=9.2Hz,J2=2.4Hz,1H);13C NMR(100MHz,DMSO)δ=161.17,158.80,141.81(d,J=39.5Hz),138.45,135.34,118.62,113.28(d,J=26.0Hz),102.59(d,J=17.6Hz);19F NMR(375MHz,DMSO)δ=-62.89(s,3F),-117.67(s,1F)。
实施例14:5-溴-2-三氟甲基苯并咪唑的合成
4-溴-1,2-苯二胺(38mg,0.2mmol)、1,1,1,5,5,5-六氟乙酰丙酮(63mg,0.3mmol)和Fe(OTf)3(10.1mg,0.02mmol),N,N-二甲基甲酰胺(1mL),80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,饱和食盐水洗涤(20ml×2),无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得黄色固体49.6mg,产率94%。1HNMR(400MHz,DMSO)δ=7.96(d,J=1.6Hz,1H),7.70(d,J=8.4Hz,1H),7.53(dd,J1=8.8Hz,J2=2.0Hz,1H);13C NMR(101MHz,DMSO)δ=141.59(q,J=39.3Hz),139.98,137.30,127.58,123.35,118.37(d,J=81.9Hz),116.00(d,J=144.3Hz);19F NMR(376MHz,DMSO)δ=-62.91(s,3F)。
实施例15:5-甲基-2-三氟甲基苯并咪唑的合成
3,4-二氨基甲苯(25mg,0.2mmol)、1,1,1,5,5,5-六氟乙酰丙酮(63mg,0.3mmol)和Fe(OTf)3(10.1mg,0.02mmol),N,N-二甲基甲酰胺(1mL),80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,饱和食盐水洗涤(20ml×2),无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得黄色固体32.0mg,产率80%。1HNMR(400MHz,CDCl3)δ=10.79(bs,1H),δ7.78(d,J=8.0Hz,1.0H),7.69(s,1H),7.49-7.24(m,1H),2.54(s,3H);13C NMR(100MHz,CDCl3)δ=140.85,140.49,126.01,122.97,120.28,117.59,114.89,111.89,21.75;19F NMR(376MHz,CDCl3)δ=-63.99(s,3F)。实施例16:5,6-二甲基-2-三氟甲基苯并咪唑的合成
4,5-二甲基-1,2-苯二胺(28mg,0.2mmol)、1,1,1,5,5,5-六氟乙酰丙酮(63mg,0.3mmol)和Fe(OTf)3(20.2mg,0.04mmol),N,N-二甲基甲酰胺(1mL),80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,饱和食盐水洗涤(20ml×2),无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得黄色固体22.8mg,产率73%。1H NMR(400MHz,CDCl3)δ=9.87(s,1H),7.67(s,1H),7.34(s,1H),2.44(d,J=4.0Hz,6H);13C NMR(100MHz,CDCl3)δ=140.88,135.48,133.24,131.29,120.99,119.98,117.49,111.57,20.66,20.37;19F NMR(375MHz,CDCl3)δ=-63.97(s,3F)。
实施例17:5-乙氧羰基-2-三氟甲基苯并咪唑的合成
3,4-二氨基苯甲酸乙酯(36mg,0.2mmol)、1,1,1,5,5,5-六氟乙酰丙酮(63mg,0.3mmol)和Fe(OTf)3(10.1mg,0.02mmol),N,N-二甲基甲酰胺(1mL),80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,饱和食盐水洗涤(20ml×2),无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得褐色固体49.9mg,产率97%。1H NMR(400MHz,CDCl3)δ=8.54(s,1H),8.17(dd,J1=8.4,J2=1.2Hz,1H),7.79(d,J=8.8Hz,1H),4.48(q,J=7.2Hz,2H),4.71(t,J=7.2Hz,3H);13C NMR(100MHz,CDCl3)δ=166.87,143.08(q,J=40.9Hz),140.51,137.52,127.10,125.95,119.61(d,J=59.1Hz),116.13(d,JF=108.8Hz),114.51,61.54,14.28;19F NMR(375MHz,CDCl3)δ=-64.33(s,3F)。
实施例18:1-甲基-2-三氟甲基苯并咪唑的合成
N-甲基-1,2-苯二胺(25mg,0.2mmol)、1,1,1,5,5,5-六氟乙酰丙酮(63mg,0.3mmol)和Fe(OTf)3(10.1mg,0.02mmol),N,N-二甲基甲酰胺(1mL),80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,饱和食盐水洗涤(20ml×2),无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得黄色固体24.2mg,产率61%。1H NMR(400MHz,CDCl3)δ=7.92(d,J=8.0Hz,1H),7.49(t,J=3.6Hz,2H),7.46-7.41(m,1H),3.99(s,3H);13C NMR(100MHz,CDCl3)δ=141.01,136.06,125.37,123.68,121.65,120.49,117.80,110.09,30.81;19F NMR(375MHz,CDCl3)δ=-62.55(s,3F)。
实施例19:2,2'-双三氟甲基-5,5'-联苯并咪唑的合成
3,3'-二氨基联苯胺(43mg,0.2mmol)、1,1,1,5,5,5-六氟乙酰丙酮(0.6mmol,126mg)和Fe(OTf)3(10.1mg,0.02mmol),N,N-二甲基甲酰胺(1mL),80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯(10mL×3)萃取,合并有机相,饱和食盐水洗涤(20ml×2),无水硫酸钠干燥,过滤,减压浓缩,柱色谱分离(V石油醚:V乙酸乙酯=3:1),得黄色固体42.1mg,产率57%。1H NMR(400MHz,DMSO)δ=8.00(s,2H),7.84(d,J=8.4Hz,2H),7.60(dd,J1=8.4Hz,J2=1.2Hz,2H);13C NMR(100MHz,DMSO)δ=141.24(q,J=39.6Hz),137.46,124.51,123.57,120.88,118.20,117.39,115.35(q,J=77.9Hz);19F NMR(375MHz,DMSO)δ=-62.72(s,6F)。
Claims (15)
1.一种2-三氟甲基苯并咪唑类化合物的制备方法,其特征在于,该化合物的合成路线如下:
邻苯二胺22mg,1,1,1,5,5,5-六氟乙酰丙酮63mg,Fe(OTf)310.1mg和N,N-二甲基甲酰胺1mL,80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯萃取3次,每次10mL,合并有机相,饱和食盐水洗涤2次,每次20ml,无水硫酸钠干燥,过滤,减压浓缩,在以V石油醚:V乙酸乙酯=3:1下柱色谱分离,得黄色固体36.9mg,产率99%。
2.一种2-三氟甲基苯并咪唑类化合物的制备方法,其特征在于,该化合物的合成路线如下:
邻苯二胺22mg,1,1,1,5,5,5-六氟乙酰丙酮63mg,Fe(OAc)23.5mg和N,N-二甲基甲酰胺1mL,80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯萃取3次,每次10mL,合并有机相,饱和食盐水洗涤2次,每次20ml,无水硫酸钠干燥,过滤,减压浓缩,在以V石油醚:V乙酸乙酯=3:1下柱色谱分离,得黄色固体32.0mg,产率86%。
3.一种2-三氟甲基苯并咪唑类化合物的制备方法,其特征在于,该化合物的合成路线如下:
邻苯二胺22mg,1,1,1,5,5,5-六氟乙酰丙酮63mg,FeCl23.3mg和N,N-二甲基甲酰胺1mL,80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯萃取3次,每次10mL,合并有机相,饱和食盐水洗涤2次,每次20ml,无水硫酸钠干燥,过滤,减压浓缩,在以V石油醚:V乙酸乙酯=3:1下柱色谱分离,得黄色固体30.4mg,产率82%。
4.一种2-三氟甲基苯并咪唑类化合物的制备方法,其特征在于,该化合物的合成路线如下:
邻苯二胺22mg,1,1,1,5,5,5-六氟乙酰丙酮63mg,FeCl34.0mg和N,N-二甲基甲酰胺1mL,80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯萃取3次,每次10mL,合并有机相,饱和食盐水洗涤2次,每次20ml,无水硫酸钠干燥,过滤,减压浓缩,在以V石油醚:V乙酸乙酯=3:1下柱色谱分离,得黄色固体29.0mg。
5.一种2-三氟甲基苯并咪唑类化合物的制备方法,其特征在于,该化合物的合成路线如下:
邻苯二胺22mg,1,1,1,5,5,5-六氟乙酰丙酮63mg,FeCl3·6H2O 5.4mg和N,N-二甲基甲酰胺1mL,80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯萃取3次,每次10mL,合并有机相,饱和食盐水洗涤2次,每次20ml,无水硫酸钠干燥,过滤,减压浓缩,在以V石油醚:V乙酸乙酯=3:1下柱色谱分离,得黄色固体32.9mg,产率88%。
6.一种2-三氟甲基苯并咪唑类化合物的制备方法,其特征在于,该化合物的合成路线如下:
邻苯二胺22mg、1,1,1,5,5,5-六氟乙酰丙酮63mg和FeCl3·6H2O 5.4mg,N,N-二甲基甲酰胺1mL,100℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯萃取3次,每次10mL,合并有机相,饱和食盐水洗涤2次,每次20ml,无水硫酸钠干燥,过滤,减压浓缩,在以V石油醚:V乙酸乙酯=3:1下柱色谱分离,得黄色固体29.2mg,产率78%。
7.一种2-三氟甲基苯并咪唑类化合物的制备方法,其特征在于,该化合物的合成路线如下:
邻苯二胺22mg,1,1,1,5,5,5-六氟乙酰丙酮63mg,Fe(OTf)35.1mg和N,N-二甲基甲酰胺1mL,80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯萃取3次,每次10mL,合并有机相,饱和食盐水洗涤2次,每次20ml,无水硫酸钠干燥,过滤,减压浓缩,在以V石油醚:V乙酸乙酯=3:1下柱色谱分离,得黄色固体26.4mg,产率71%。
8.一种2-三氟甲基苯并咪唑类化合物的制备方法,其特征在于,该化合物的合成路线如下:
4-硝基-1,2-苯二胺31mg、1,1,1,5,5,5-六氟乙酰丙酮63mg和Fe(OTf)310.1mg,N,N-二甲基甲酰胺1mL,80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯萃取3次,每次10mL,合并有机相,饱和食盐水洗涤2次,每次20ml,无水硫酸钠干燥,过滤,减压浓缩,在以V石油醚:V乙酸乙酯=3:1下柱色谱分离,得褐色固体42.8mg,产率93%。
9.一种2-三氟甲基苯并咪唑类化合物的制备方法,其特征在于,该化合物的合成路线如下:
4-三氟甲基-1,2-苯二胺35mg、1,1,1,5,5,5-六氟乙酰丙酮63mg和Fe(OTf)310.1mg,N,N-二甲基甲酰胺1mL,80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯萃取3次,每次10mL,合并有机相,饱和食盐水洗涤2次,每次20ml,无水硫酸钠干燥,过滤,减压浓缩,在以V石油醚:V乙酸乙酯=3:1下柱色谱分离,得灰色固体39.1mg,产率77%。
10.一种2-三氟甲基苯并咪唑类化合物的制备方法,其特征在于,该化合物的合成路线如下:
4,5-二氟-1,2-苯二胺29mg、1,1,1,5,5,5-六氟乙酰丙酮63mg和Fe(OTf)310.1mg,N,N-二甲基甲酰胺1mL,80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯萃取3次,每次10mL,合并有机相,饱和食盐水洗涤2次,每次20ml,无水硫酸钠干燥,过滤,减压浓缩,在以V石油醚:V乙酸乙酯=3:1下柱色谱分离,得黄色固体38.8mg,产率87%。
11.一种2-三氟甲基苯并咪唑类化合物的制备方法,其特征在于,该化合物的合成路线如下:
4-氟-1,2-苯二胺26mg、1,1,1,5,5,5-六氟乙酰丙酮63mg和Fe(OTf)310.1mg,N,N-二甲基甲酰胺1mL,80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯萃取3次,每次10mL,合并有机相,饱和食盐水洗涤2次,每次20ml,无水硫酸钠干燥,过滤,减压浓缩,在以V石油醚:V乙酸乙酯=3:1下柱色谱分离,得黄色固体36.6mg,产率90%。
12.一种2-三氟甲基苯并咪唑类化合物的制备方法,其特征在于,该化合物的合成路线如下:
4-溴-1,2-苯二胺38mg、1,1,1,5,5,5-六氟乙酰丙酮63mg和Fe(OTf)310.1mg,N,N-二甲基甲酰胺1mL,80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯萃取3次,每次10mL,合并有机相,饱和食盐水洗涤2次,每次20ml,无水硫酸钠干燥,过滤,减压浓缩,在以V石油醚:V乙酸乙酯=3:1下柱色谱分离,得黄色固体49.6mg,产率94%。
13.一种2-三氟甲基苯并咪唑类化合物的制备方法,其特征在于,该化合物的合成路线如下:
3,4-二氨基甲苯25mg、1,1,1,5,5,5-六氟乙酰丙酮63mg和Fe(OTf)310.1mg,N,N-二甲基甲酰胺1mL,80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯萃取3次,每次10mL,合并有机相,饱和食盐水洗涤2次,每次20ml,无水硫酸钠干燥,过滤,减压浓缩,在以V石油醚:V乙酸乙酯=3:1下柱色谱分离,得黄色固体32.0mg,产率80%。
14.一种2-三氟甲基苯并咪唑类化合物的制备方法,其特征在于,该化合物的合成路线如下:
4,5-二甲基-1,2-苯二胺28mg、1,1,1,5,5,5-六氟乙酰丙酮63mg和Fe(OTf)320.2mg,N,N-二甲基甲酰胺1mL,80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯萃取3次,每次10mL,合并有机相,饱和食盐水洗涤2次,每次20ml,无水硫酸钠干燥,过滤,减压浓缩,在以V石油醚:V乙酸乙酯=3:1下柱色谱分离,得黄色固体22.8mg,产率73%。
15.一种2-三氟甲基苯并咪唑类化合物的制备方法,其特征在于,该化合物的合成路线如下:
3,4-二氨基苯甲酸乙酯36mg、1,1,1,5,5,5-六氟乙酰丙酮63mg和Fe(OTf)310.1mg,N,N-二甲基甲酰胺1mL,80℃下反应24h,TLC监测反应,加入10mL水,乙酸乙酯萃取3次,每次10mL,合并有机相,饱和食盐水洗涤2次,每次20ml,无水硫酸钠干燥,过滤,减压浓缩,在以V石油醚:V乙酸乙酯=3:1下柱色谱分离,得褐色固体49.9mg,产率97%。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510498092.5A CN105237480B (zh) | 2015-08-14 | 2015-08-14 | 一种2‑三氟甲基苯并咪唑化合物及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510498092.5A CN105237480B (zh) | 2015-08-14 | 2015-08-14 | 一种2‑三氟甲基苯并咪唑化合物及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105237480A CN105237480A (zh) | 2016-01-13 |
CN105237480B true CN105237480B (zh) | 2017-12-05 |
Family
ID=55035352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510498092.5A Active CN105237480B (zh) | 2015-08-14 | 2015-08-14 | 一种2‑三氟甲基苯并咪唑化合物及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105237480B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109265403B (zh) * | 2018-11-02 | 2020-09-01 | 重庆医科大学 | 一种苯并咪唑及其衍生物的合成方法 |
CN114058013A (zh) * | 2021-10-12 | 2022-02-18 | 上海工程技术大学 | 一种聚苯并咪唑类树脂的制备方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3819823A1 (de) * | 1988-06-08 | 1989-12-21 | Schering Ag | Durch zum teil kondensierte heterocyclen substituierte indole, indazole und benzimidazole, verfahren zu ihrer herstellung und ihre verwendung als mittel mit herbizider wirkung |
TW264388B (zh) * | 1992-11-06 | 1995-12-01 | Bayer Ag | |
US5877195A (en) * | 1992-11-06 | 1999-03-02 | Bayer Aktiengesellschaft | 2-perhalogenalkyl-substituted benzimidazoles, and their use as pesticides |
CN1290253A (zh) * | 1998-02-12 | 2001-04-04 | 新泽西州州立大学(拉特格斯) | 杂环拓扑异构酶毒物 |
CN1349529A (zh) * | 1999-05-05 | 2002-05-15 | 拜尔公司 | 取代的苯并咪唑类、其制备和作为抗寄生原生动物剂的用途 |
CN102203093A (zh) * | 2008-09-08 | 2011-09-28 | 西格诺药品有限公司 | 氨基三唑并吡啶和其作为激酶抑制剂的用途 |
-
2015
- 2015-08-14 CN CN201510498092.5A patent/CN105237480B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3819823A1 (de) * | 1988-06-08 | 1989-12-21 | Schering Ag | Durch zum teil kondensierte heterocyclen substituierte indole, indazole und benzimidazole, verfahren zu ihrer herstellung und ihre verwendung als mittel mit herbizider wirkung |
TW264388B (zh) * | 1992-11-06 | 1995-12-01 | Bayer Ag | |
US5877195A (en) * | 1992-11-06 | 1999-03-02 | Bayer Aktiengesellschaft | 2-perhalogenalkyl-substituted benzimidazoles, and their use as pesticides |
CN1290253A (zh) * | 1998-02-12 | 2001-04-04 | 新泽西州州立大学(拉特格斯) | 杂环拓扑异构酶毒物 |
CN1349529A (zh) * | 1999-05-05 | 2002-05-15 | 拜尔公司 | 取代的苯并咪唑类、其制备和作为抗寄生原生动物剂的用途 |
CN102203093A (zh) * | 2008-09-08 | 2011-09-28 | 西格诺药品有限公司 | 氨基三唑并吡啶和其作为激酶抑制剂的用途 |
Non-Patent Citations (4)
Title |
---|
Reaction of fluoro-containing β-diketones with o-phenylenediamine;Pashkevich, K. I.,等;《Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya》;19801231(第5期);1172-1175 * |
RN:1785480-41-2、1785449-02-6、1783555-70-3、1782859-93-1、1782330-56-6、1781483-89-3、1780787-31-6、392-38-1、392-36-9、386-64-1、327-19-5、327-16-2、317-40-8;CHEMICAL ABSTRACTS SERVICE;《STN Registry数据库》;20150621;RN:1785480-41-2、1785449-02-6、1783555-70-3、1782859-93-1、1782330-56-6、1781483-89-3、1780787-31-6、392-38-1、392-36-9、386-64-1、327-19-5、327-16-2、317-40-8 * |
RN:89457-09-0、85686-96-0、3671-60-1、3671-47-4、1799-79-7、399-77-9、399-69-9、384-46-3、327-19-5、312-73-2;CHEMICAL ABSTRACTS SERVICE;《STN Registry数据库》;19841116;RN:89457-09-0、85686-96-0、3671-60-1、3671-47-4、1799-79-7、399-77-9、399-69-9、384-46-3、327-19-5、312-73-2 * |
Studies on the reaction of unsymmetrical trifluoromethyl 1,2-phenylenediamine with various ketones leading to novel fluorinated heterocycles;G. Venkat Reddy,等;《Journal of Fluorine Chemistry》;20031231;第124卷;第203-209页 * |
Also Published As
Publication number | Publication date |
---|---|
CN105237480A (zh) | 2016-01-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Rossi et al. | Transition Metal‐Free Direct C H (Hetero) arylation of Heteroarenes: A Sustainable Methodology to Access (Hetero) aryl‐Substituted Heteroarenes | |
CN101945861B (zh) | 一种苯甲酰胺类化合物的制备方法 | |
CN104262239B (zh) | 一种绿色高效农用杀菌剂的合成工艺 | |
CN105237480B (zh) | 一种2‑三氟甲基苯并咪唑化合物及其制备方法 | |
TW200843760A (en) | Fluorinated derivatives of deferiprone | |
CN107108593A (zh) | 作为类香草素受体配体ii的基于取代的恶唑和噻唑的羧酰胺和脲衍生物 | |
Oda et al. | A remarkable effect of ionic liquids in transition-metal-free aerobic oxidation of benzylic alcohols | |
CN107011404B (zh) | 一种以胆酸为原料合成石胆酸的方法 | |
Tretyakov et al. | A new one-pot solvent-free synthesis of pyridinyl tosylates via diazotization of aminopyridines | |
CN105732619B (zh) | 一种5,6,7,8‑四氢吡啶并[2,3‑d]嘧啶类化合物的合成方法 | |
Reddy et al. | Indium trifluoride: A highly efficient catalyst for the synthesis of fluorine-containing 2, 4, 5-trisubstituted imidazoles under solvent-free conditions | |
CN103923015A (zh) | 两种选择性离子液体及合成方法 | |
CN106946972B (zh) | 一种具有抗肿瘤活性的熊果酸衍生物及其制备方法 | |
CN106117216B (zh) | 一种常压合成6H-异吲哚[2,1-a]吲哚-6-酮类化合物的方法 | |
CN102617455B (zh) | 一种吡哆醛或盐酸吡哆醛的制备方法 | |
CN107188915B (zh) | 一种塞拉菌素中间体的制备方法 | |
CN103880745B (zh) | 一种6-溴-1,2,3,4-四氢异喹啉-1-甲酸的化学合成方法 | |
Wang et al. | An ionic compound containing Ru (III)-complex cation and phosphotungstate anion as the efficient and recyclable catalyst for clean aerobic oxidation of alcohols | |
CN103880683A (zh) | 一种3-溴-2-硝基苯甲醛的化学合成方法 | |
CN107011288B (zh) | 一种阿立哌唑中间体1-(2,3-二氯苯基)哌嗪盐酸盐的制备方法 | |
CN106588921B (zh) | 一种7‑氮杂吲哚‑3‑甲酸甲酯的合成方法 | |
CN104447543B (zh) | 3-氨基-7,8-二氟喹啉及其中间体的合成方法 | |
CN108003156A (zh) | 一种咪唑并吡啶基1,2-乙二酮衍生物的合成方法 | |
CN105050405A (zh) | 制备硫亚胺的方法及其原位转化成n-(2-氨基苯甲酰基)硫亚胺 | |
CN104447539B (zh) | 一种二级、三级芳香酰胺化合物的合成方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20231211 Address after: 443000 Room 401, Floor 4, Building 7, No.519, Juxiang Road, Yichang Area, China (Hubei) Free Trade Zone, Yichang, Hubei Province Patentee after: Yichang shangnord Biomedical Technology Co.,Ltd. Address before: 443002 No. 8, University Road, Yichang, Hubei Patentee before: CHINA THREE GORGES University |
|
TR01 | Transfer of patent right |