WO2021157590A1 - ジフルオロメチル置換芳香族複素環化合物の製造方法 - Google Patents
ジフルオロメチル置換芳香族複素環化合物の製造方法 Download PDFInfo
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- WO2021157590A1 WO2021157590A1 PCT/JP2021/003821 JP2021003821W WO2021157590A1 WO 2021157590 A1 WO2021157590 A1 WO 2021157590A1 JP 2021003821 W JP2021003821 W JP 2021003821W WO 2021157590 A1 WO2021157590 A1 WO 2021157590A1
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- group
- alkoxy
- formula
- alkyl
- alkylamino
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 125000006615 aromatic heterocyclic group Chemical class 0.000 title claims abstract description 19
- 239000002904 solvent Substances 0.000 claims abstract description 29
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims abstract description 20
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims description 50
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 37
- 125000003277 amino group Chemical group 0.000 claims description 28
- 125000003118 aryl group Chemical group 0.000 claims description 28
- 125000005843 halogen group Chemical group 0.000 claims description 28
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 claims description 27
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 27
- 125000000171 (C1-C6) haloalkyl group Chemical group 0.000 claims description 26
- 125000004414 alkyl thio group Chemical group 0.000 claims description 25
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 25
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 25
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 claims description 25
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 25
- 125000003396 thiol group Chemical group [H]S* 0.000 claims description 25
- 125000004737 (C1-C6) haloalkoxy group Chemical group 0.000 claims description 23
- 125000004454 (C1-C6) alkoxycarbonyl group Chemical group 0.000 claims description 22
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 18
- 125000001424 substituent group Chemical group 0.000 claims description 11
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 8
- 239000007853 buffer solution Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 7
- 125000003545 alkoxy group Chemical group 0.000 claims description 6
- 239000003759 ester based solvent Substances 0.000 claims description 3
- 239000004210 ether based solvent Substances 0.000 claims description 3
- 125000004438 haloalkoxy group Chemical group 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract description 5
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 abstract description 3
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 abstract 1
- 238000005160 1H NMR spectroscopy Methods 0.000 description 28
- 150000001875 compounds Chemical class 0.000 description 27
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 24
- -1 dimethylbutyl Chemical group 0.000 description 22
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 22
- 239000007788 liquid Substances 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 8
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 6
- 125000004432 carbon atom Chemical group C* 0.000 description 6
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 6
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 5
- GIIWGCBLYNDKBO-UHFFFAOYSA-N Quinoline 1-oxide Chemical compound C1=CC=C2[N+]([O-])=CC=CC2=C1 GIIWGCBLYNDKBO-UHFFFAOYSA-N 0.000 description 5
- 229910001873 dinitrogen Inorganic materials 0.000 description 5
- 239000008096 xylene Substances 0.000 description 5
- 229940125904 compound 1 Drugs 0.000 description 4
- 229940125782 compound 2 Drugs 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 4
- YLYBTZIQSIBWLI-UHFFFAOYSA-N octyl acetate Chemical compound CCCCCCCCOC(C)=O YLYBTZIQSIBWLI-UHFFFAOYSA-N 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 229940126214 compound 3 Drugs 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000000575 pesticide Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000009849 vacuum degassing Methods 0.000 description 3
- QFLWZFQWSBQYPS-AWRAUJHKSA-N (3S)-3-[[(2S)-2-[[(2S)-2-[5-[(3aS,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]-3-methylbutanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-4-[1-bis(4-chlorophenoxy)phosphorylbutylamino]-4-oxobutanoic acid Chemical compound CCCC(NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@@H](NC(=O)CCCCC1SC[C@@H]2NC(=O)N[C@H]12)C(C)C)P(=O)(Oc1ccc(Cl)cc1)Oc1ccc(Cl)cc1 QFLWZFQWSBQYPS-AWRAUJHKSA-N 0.000 description 2
- UNILWMWFPHPYOR-KXEYIPSPSA-M 1-[6-[2-[3-[3-[3-[2-[2-[3-[[2-[2-[[(2r)-1-[[2-[[(2r)-1-[3-[2-[2-[3-[[2-(2-amino-2-oxoethoxy)acetyl]amino]propoxy]ethoxy]ethoxy]propylamino]-3-hydroxy-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-3-[(2r)-2,3-di(hexadecanoyloxy)propyl]sulfanyl-1-oxopropan-2-yl Chemical compound O=C1C(SCCC(=O)NCCCOCCOCCOCCCNC(=O)COCC(=O)N[C@@H](CSC[C@@H](COC(=O)CCCCCCCCCCCCCCC)OC(=O)CCCCCCCCCCCCCCC)C(=O)NCC(=O)N[C@H](CO)C(=O)NCCCOCCOCCOCCCNC(=O)COCC(N)=O)CC(=O)N1CCNC(=O)CCCCCN\1C2=CC=C(S([O-])(=O)=O)C=C2CC/1=C/C=C/C=C/C1=[N+](CC)C2=CC=C(S([O-])(=O)=O)C=C2C1 UNILWMWFPHPYOR-KXEYIPSPSA-M 0.000 description 2
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 2
- PLGILIBDJCWGCX-UHFFFAOYSA-N 2-(1,2,2,2-tetrafluoroethyl)quinoline Chemical compound C1=CC=CC2=NC(C(F)C(F)(F)F)=CC=C21 PLGILIBDJCWGCX-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 208000033962 Fontaine progeroid syndrome Diseases 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- LNUFLCYMSVYYNW-ZPJMAFJPSA-N [(2r,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6r)-6-[(2r,3r,4s,5r,6r)-6-[(2r,3r,4s,5r,6r)-6-[[(3s,5s,8r,9s,10s,13r,14s,17r)-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1h-cyclopenta[a]phenanthren-3-yl]oxy]-4,5-disulfo Chemical compound O([C@@H]1[C@@H](COS(O)(=O)=O)O[C@@H]([C@@H]([C@H]1OS(O)(=O)=O)OS(O)(=O)=O)O[C@@H]1[C@@H](COS(O)(=O)=O)O[C@@H]([C@@H]([C@H]1OS(O)(=O)=O)OS(O)(=O)=O)O[C@@H]1[C@@H](COS(O)(=O)=O)O[C@H]([C@@H]([C@H]1OS(O)(=O)=O)OS(O)(=O)=O)O[C@@H]1C[C@@H]2CC[C@H]3[C@@H]4CC[C@@H]([C@]4(CC[C@@H]3[C@@]2(C)CC1)C)[C@H](C)CCCC(C)C)[C@H]1O[C@H](COS(O)(=O)=O)[C@@H](OS(O)(=O)=O)[C@H](OS(O)(=O)=O)[C@H]1OS(O)(=O)=O LNUFLCYMSVYYNW-ZPJMAFJPSA-N 0.000 description 2
- 125000003282 alkyl amino group Chemical group 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 229940125810 compound 20 Drugs 0.000 description 2
- 229940125898 compound 5 Drugs 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- JAXFJECJQZDFJS-XHEPKHHKSA-N gtpl8555 Chemical compound OC(=O)C[C@H](N)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1CCC[C@@H]1C(=O)N[C@H](B1O[C@@]2(C)[C@H]3C[C@H](C3(C)C)C[C@H]2O1)CCC1=CC=C(F)C=C1 JAXFJECJQZDFJS-XHEPKHHKSA-N 0.000 description 2
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 2
- 150000002430 hydrocarbons Chemical group 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 238000004949 mass spectrometry Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- SKTCDJAMAYNROS-UHFFFAOYSA-N methoxycyclopentane Chemical compound COC1CCCC1 SKTCDJAMAYNROS-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 239000008055 phosphate buffer solution Substances 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 229930195734 saturated hydrocarbon Natural products 0.000 description 2
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 2
- AOSZTAHDEDLTLQ-AZKQZHLXSA-N (1S,2S,4R,8S,9S,11S,12R,13S,19S)-6-[(3-chlorophenyl)methyl]-12,19-difluoro-11-hydroxy-8-(2-hydroxyacetyl)-9,13-dimethyl-6-azapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-16-one Chemical compound C([C@@H]1C[C@H]2[C@H]3[C@]([C@]4(C=CC(=O)C=C4[C@@H](F)C3)C)(F)[C@@H](O)C[C@@]2([C@@]1(C1)C(=O)CO)C)N1CC1=CC=CC(Cl)=C1 AOSZTAHDEDLTLQ-AZKQZHLXSA-N 0.000 description 1
- SZUVGFMDDVSKSI-WIFOCOSTSA-N (1s,2s,3s,5r)-1-(carboxymethyl)-3,5-bis[(4-phenoxyphenyl)methyl-propylcarbamoyl]cyclopentane-1,2-dicarboxylic acid Chemical compound O=C([C@@H]1[C@@H]([C@](CC(O)=O)([C@H](C(=O)N(CCC)CC=2C=CC(OC=3C=CC=CC=3)=CC=2)C1)C(O)=O)C(O)=O)N(CCC)CC(C=C1)=CC=C1OC1=CC=CC=C1 SZUVGFMDDVSKSI-WIFOCOSTSA-N 0.000 description 1
- GHYOCDFICYLMRF-UTIIJYGPSA-N (2S,3R)-N-[(2S)-3-(cyclopenten-1-yl)-1-[(2R)-2-methyloxiran-2-yl]-1-oxopropan-2-yl]-3-hydroxy-3-(4-methoxyphenyl)-2-[[(2S)-2-[(2-morpholin-4-ylacetyl)amino]propanoyl]amino]propanamide Chemical compound C1(=CCCC1)C[C@@H](C(=O)[C@@]1(OC1)C)NC([C@H]([C@@H](C1=CC=C(C=C1)OC)O)NC([C@H](C)NC(CN1CCOCC1)=O)=O)=O GHYOCDFICYLMRF-UTIIJYGPSA-N 0.000 description 1
- IWZSHWBGHQBIML-ZGGLMWTQSA-N (3S,8S,10R,13S,14S,17S)-17-isoquinolin-7-yl-N,N,10,13-tetramethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-amine Chemical compound CN(C)[C@H]1CC[C@]2(C)C3CC[C@@]4(C)[C@@H](CC[C@@H]4c4ccc5ccncc5c4)[C@@H]3CC=C2C1 IWZSHWBGHQBIML-ZGGLMWTQSA-N 0.000 description 1
- 125000006273 (C1-C3) alkyl group Chemical group 0.000 description 1
- HNEGJTWNOOWEMH-UHFFFAOYSA-N 1-fluoropropane Chemical group [CH2]CCF HNEGJTWNOOWEMH-UHFFFAOYSA-N 0.000 description 1
- PHRABVHYUHIYGY-UHFFFAOYSA-N 1-methylnaphthalene Chemical group C1=CC=C2C([CH2])=CC=CC2=C1 PHRABVHYUHIYGY-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
- 125000004343 1-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000005999 2-bromoethyl group Chemical group 0.000 description 1
- 125000001340 2-chloroethyl group Chemical group [H]C([H])(Cl)C([H])([H])* 0.000 description 1
- 125000006176 2-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(C([H])([H])*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004777 2-fluoroethyl group Chemical group [H]C([H])(F)C([H])([H])* 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
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000006201 3-phenylpropyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- OJRUSAPKCPIVBY-KQYNXXCUSA-N C1=NC2=C(N=C(N=C2N1[C@H]3[C@@H]([C@@H]([C@H](O3)COP(=O)(CP(=O)(O)O)O)O)O)I)N Chemical compound C1=NC2=C(N=C(N=C2N1[C@H]3[C@@H]([C@@H]([C@H](O3)COP(=O)(CP(=O)(O)O)O)O)O)I)N OJRUSAPKCPIVBY-KQYNXXCUSA-N 0.000 description 1
- 229940126657 Compound 17 Drugs 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000002029 aromatic hydrocarbon group Chemical group 0.000 description 1
- 125000005997 bromomethyl group Chemical group 0.000 description 1
- 125000004744 butyloxycarbonyl group Chemical group 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
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- 125000001028 difluoromethyl group Chemical group [H]C(F)(F)* 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 125000004785 fluoromethoxy group Chemical group [H]C([H])(F)O* 0.000 description 1
- 125000004216 fluoromethyl group Chemical group [H]C([H])(F)* 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003707 hexyloxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 125000005929 isobutyloxycarbonyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])OC(*)=O 0.000 description 1
- 125000004491 isohexyl group Chemical group C(CCC(C)C)* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000005928 isopropyloxycarbonyl group Chemical group [H]C([H])([H])C([H])(OC(*)=O)C([H])([H])[H] 0.000 description 1
- ZLVXBBHTMQJRSX-VMGNSXQWSA-N jdtic Chemical compound C1([C@]2(C)CCN(C[C@@H]2C)C[C@H](C(C)C)NC(=O)[C@@H]2NCC3=CC(O)=CC=C3C2)=CC=CC(O)=C1 ZLVXBBHTMQJRSX-VMGNSXQWSA-N 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
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- 235000005985 organic acids Nutrition 0.000 description 1
- 125000003538 pentan-3-yl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 125000001148 pentyloxycarbonyl group Chemical group 0.000 description 1
- 125000005004 perfluoroethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 description 1
- 125000005009 perfluoropropyl group Chemical group FC(C(C(F)(F)F)(F)F)(F)* 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 125000004742 propyloxycarbonyl group Chemical group 0.000 description 1
- ILVXOBCQQYKLDS-UHFFFAOYSA-N pyridine N-oxide Chemical compound [O-][N+]1=CC=CC=C1 ILVXOBCQQYKLDS-UHFFFAOYSA-N 0.000 description 1
- 239000002683 reaction inhibitor Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 125000005930 sec-butyloxycarbonyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(OC(*)=O)C([H])([H])[H] 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- FDDDEECHVMSUSB-UHFFFAOYSA-N sulfanilamide Chemical group NC1=CC=C(S(N)(=O)=O)C=C1 FDDDEECHVMSUSB-UHFFFAOYSA-N 0.000 description 1
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
- 125000004784 trichloromethoxy group Chemical group ClC(O*)(Cl)Cl 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/84—Nitriles
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/26—Radicals substituted by halogen atoms or nitro radicals
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/04—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to the ring carbon atoms
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- C—CHEMISTRY; METALLURGY
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/12—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/48—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
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- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/64—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms, e.g. histidine
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- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D233/70—One oxygen atom
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- C07D237/00—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
- C07D237/26—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings condensed with carbocyclic rings or ring systems
- C07D237/30—Phthalazines
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/36—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
- C07D241/38—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with only hydrogen or carbon atoms directly attached to the ring nitrogen atoms
- C07D241/40—Benzopyrazines
- C07D241/42—Benzopyrazines with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
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- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/60—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings condensed with carbocyclic rings or ring systems
- C07D277/62—Benzothiazoles
- C07D277/64—Benzothiazoles with only hydrocarbon or substituted hydrocarbon radicals attached in position 2
Definitions
- the present invention relates to a method for producing a difluoromethyl-substituted aromatic heterocyclic compound.
- Fluorine-containing alkyl group-substituted aromatic heterocyclic compounds are useful as synthetic intermediates for pharmaceuticals or pesticides.
- An object of the present invention is to provide a method capable of producing a difluoromethyl-substituted aromatic heterocyclic compound in high yield by a simple and inexpensive method.
- N-oxide aromatic heterocyclic compound (I) is characterized in that an N-oxide aromatic heterocyclic compound having a partial structure represented by (hereinafter, also referred to as N-oxide aromatic heterocyclic compound (I)) is reacted with tetrafluoroethylene. ):
- a method for producing a difluoromethyl-substituted aromatic heterocyclic compound having a partial structure represented by (hereinafter, also referred to as a difluoromethyl-substituted aromatic heterocyclic compound (II)).
- the N-oxide aromatic heterocyclic compound having a partial structure represented by the formula (I) is represented by the formula (IA) or (IB):
- X 1a indicates CR 1a or N
- X 1b indicates CR 1b or N
- X 1c indicates CR 1c or N
- X 1d indicates CR 1d or N
- R 1a , R 1b , R 1c and R 1d independently have a hydrogen atom, a halogen atom, a cyano group, a C 1-6 alkyl group, a C 1-6 haloalkyl group, a hydroxy group and a C 1-6 alkoxy group, respectively.
- C 1-6 haloalkoxy group sulfanyl group, C 1-6 alkyl sulfanyl group, amino group, mono-C 1-6 alkylamino group, di-C 1-6 alkylamino group, formyl group, carboxy group,
- a C 6-10 array may be formed which may be substituted with a substituent selected from;
- X 2a indicates CR 2a , N, NR 2a , S or O;
- X 2b indicates CR 2b or N;
- X 2c indicates CR 2c , N, NR 2c , S or O;
- R 2a , R 2b and R 2c independently have a hydrogen atom, a halogen atom, a cyano group, a
- -6 haloalkoxy group sulfanyl group, C 1-6 alkyl sulfanyl group, amino group, mono-C 1-6 alkylamino group, di-C 1-6 alkylamino group, formyl group, carboxy group, C 1-6 An alkoxy-carbonyl group, a C 6-10 aryl group or a C 7-16 aralkyl group, or R 2a and R 2b , or R 2b and R 2c combined together, a halogen atom, a cyano group, a C 1- 6 Alkyl group, C 1-6 haloalkyl group, hydroxy group, C 1-6 alkoxy group, C 1-6 haloalkoxy group, sulfanyl group, C 1-6 alkyl sulfanyl group, amino group, mono-C 1-6 alkyl Substituted with a substituent selected from an amino group, a di-C 1-6 alkylamino group, a formyl group, a
- N-oxide aromatic heterocyclic compound (IA) or (IB) N-oxide aromatic heterocyclic compound (IA) or (IB)), according to any one of the above [1] to [4]. Production method.
- the N-oxide aromatic heterocyclic compound having a partial structure represented by the formula (I) is of the formula (IA), and R 1a and R 1b , R 1b and R 1c , or R 1c and R in the formula. 1d together, halogen atom, cyano group, C 1-6 alkyl group, C 1-6 haloalkyl group, hydroxy group, C 1-6 alkoxy group, C 1-6 haloalkoxy group, sulfanyl group, C 1 -6 alkylsulfanyl group, amino group, mono-C 1-6 alkylamino group, di-C 1-6 alkylamino group, formyl group, carboxy group, C 1-6 alkoxy-carbonyl group, C 6-10 aryl group And the production method according to [5] above, wherein a C 6-10 array which may be substituted with a substituent selected from the C 7-16 aralkyl group is formed.
- the N-oxide aromatic heterocyclic compound having a partial structure represented by the formula (I) is the formula (IA), and R 1a , R 1b , R 1c and R 1d in the formula are independently each. , Hydrogen atom, halogen atom, cyano group, C 1-6 alkyl group, C 1-6 haloalkyl group, hydroxy group, C 1-6 alkoxy group, C 1-6 haloalkoxy group, sulfanyl group, C 1-6 alkyl Sulfanyl group, amino group, mono-C 1-6 alkylamino group, di-C 1-6 alkylamino group, formyl group, carboxy group, C 1-6 alkoxy-carbonyl group, C 6-10 aryl group or C 7 -16
- the N-oxide aromatic heterocyclic compound having a partial structure represented by the formula (I) is the formula (IB), and R 2a and R 2b in the formula, or R 2b and R 2c are combined. , Halogen atom, cyano group, C 1-6 alkyl group, C 1-6 haloalkyl group, hydroxy group, C 1-6 alkoxy group, C 1-6 haloalkoxy group, sulfanyl group, C 1-6 alkyl sulfanyl group, Amino group, mono-C 1-6 alkylamino group, di-C 1-6 alkylamino group, formyl group, carboxy group, C 1-6 alkoxy-carbonyl group, C 6-10 aryl group and C 7-16 aralkyl.
- the N-oxide aromatic heterocyclic compound having a partial structure represented by the formula (I) is the formula (IB), and R 2a , R 2b and R 2c in the formula are independently hydrogen atoms, respectively. , Halogen atom, cyano group, C 1-6 alkyl group, C 1-6 haloalkyl group, hydroxy group, C 1-6 alkoxy group, C 1-6 haloalkoxy group, sulfanyl group, C 1-6 alkyl sulfanyl group, Amino group, mono-C 1-6 alkylamino group, di-C 1-6 alkylamino group, formyl group, carboxy group, C 1-6 alkoxy-carbonyl group, C 6-10 aryl group or C 7-16 aralkyl
- a simple and inexpensive method of flowing tetrafluoroethylene into the N-oxide aromatic heterocyclic compound (I) in a specific solvent has a small amount of by-products, a good yield, and one step.
- Difluoromethyl-substituted aromatic heterocyclic compound (II) can be produced.
- the compound represented by the formula is shown by assigning the number of the formula to "compound".
- the compound represented by the formula (1) is represented as “compound (1)”.
- the numerical range represented by "-" or “-” in the present specification means a numerical range in which the numbers before and after "-” or “-” are the lower limit value or the upper limit value.
- the numbers before and after "-” are the lower limit values.
- any group having an integer number of carbon atoms as the upper limit is shown.
- an alkyl group having 1 to 3 carbon atoms may be referred to as a "C 1-3 alkyl group", which includes -CH 3 , -C 2 H 5 , -C 3 H 7, etc., respectively. Is shown. The same applies to other groups.
- halogen atom means a fluorine atom, a chlorine atom, a bromine atom or an iodine atom.
- C 1-6 alkyl group means a linear or branched saturated hydrocarbon group having 1 to 6 carbon atoms.
- Examples of the “C 1-6 alkyl group” include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, isopentyl, neopentyl, 1-ethylpropyl, hexyl, isohexyl, 1,1-. Examples thereof include dimethylbutyl, 2,2-dimethylbutyl, 3,3-dimethylbutyl, 2-ethylbutyl and the like, and C 1-4 alkyl groups are preferable.
- C 1-4 alkyl group means a linear or branched saturated hydrocarbon group having 1 to 4 carbon atoms.
- Examples of the “C 1-4 alkyl group” include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl and tert-butyl.
- C 1-6 alkoxy group means a group represented by the formula R 11 O- (where R 11 represents a C 1-6 alkyl group).
- R 11 represents a C 1-6 alkyl group.
- Examples of the "C 1-6 alkoxy group” include methoxy, ethoxy, propoxy, isopropoxy, butyloxy, isobutyloxy, sec-butyloxy, tert-butyloxy, pentyloxy, hexyloxy and the like, and C 1-4 alkoxy group is used. preferable.
- C 1-6 haloalkyl group means a group in which one or more hydrogen atoms in the "C 1-6 alkyl group” are substituted with halogen atoms.
- Examples of the “C 1-6 haloalkyl group” include fluoromethyl, 2-fluoroethyl, 3-fluoropropyl, 4-fluorobutyl, trifluoromethyl, difluoromethyl, perfluoroethyl, perfluoropropyl, chloromethyl and 2-chloroethyl. , Bromomethyl, 2-bromoethyl, iodomethyl, 2-iodoethyl and the like, with trifluoromethyl being preferred.
- C 1-6 haloalkoxy group means a group in which one or more hydrogen atoms in the "C 1-6 alkoxy group” are substituted with halogen atoms.
- Examples of the “C 1-6 haloalkoxy group” include bromomethoxy, 2-bromoethoxy, 3-bromopropoxy, 4-bromobutoxy, iodomethoxy, 2-iodoethoxy, 3-iodopropoxy, 4-iodobutoxy, and the like.
- C 1-6 alkyl sulfanil group means a group represented by the formula R 11 S- (where R 11 represents a C 1-6 alkyl group).
- R 11 represents a C 1-6 alkyl group.
- Examples of the "C 1-6 alkylsulfanil group” include methylsulfanil, ethylsulfanil, propylsulfanil, isopropylsulfanil, butylsulfanil, isobutylsulfanil, sec-butylsulfanil, tert-butylsulfanil, pentylsulfanil, hexylsulfanil and the like. , C 1-4 sulfanil groups are preferred.
- the “mono-C 1-6 alkylamino group” means a group represented by the formula R 11 NH- (where R 11 represents a C 1-6 alkyl group). ..
- Examples of the "mono-C 1-6 alkylamino group” include methylamino, ethylamino, propylamino, isopropylamino, butylamino, isobutylamino, sec-butylamino, tert-butylamino, pentylamino, hexylamino and the like. Therefore, a mono-C 1-4 alkylamino group is preferable.
- the "di -C 1-6 alkylamino group” means a group of the formula R 11 2 N-(here, two R 11 each independently represent a C 1-6 alkyl group.) Means the group represented by.
- Examples of the "di-C 1-6 alkylamino group” include dimethylamino, diethylamino, N-ethyl-N-methylamino, dipropylamino, diisopropylamino, dibutylamino, diisobutylamino, disec-butylamino and ditert-. Examples thereof include butylamino, dipentylamino and dihexylamino, and a di-C 1-4 alkylamino group is preferable.
- Examples of the "C 1-6 alkoxy-carbonyl group” include methoxycarbonyl, ethoxycarbonyl, propoxycarbonyl, isopropoxycarbonyl, butoxycarbonyl, isobutoxycarbonyl, sec-butoxycarbonyl, tert-butoxycarbonyl, pentyloxycarbonyl and hexyloxy. Examples thereof include carbonyl and the like, and a C 1-4 alkoxy-carbonyl group is preferable.
- C 6-10 aryl group means an aromatic hydrocarbon group having 6 to 10 carbon atoms.
- Examples of the “C 6-10 aryl group” include phenyl, 1-naphthyl and 2-naphthyl, with phenyl being preferred.
- the "C 7-16 aralkyl group” means a “C 1-6 alkyl group” substituted with a “C 6-10 aryl group”.
- Examples of the “C 7-16 aralkyl group” include benzyl, 1-phenylethyl, 2-phenylethyl, 3-phenylpropyl, 4-phenylbutyl, (1-naphthyl) methyl, (2-naphthyl) methyl and the like. , Benzyl is preferred.
- C 6-10 arene means an aromatic hydrocarbon ring having 6 to 10 carbon atoms.
- Examples of “C 6-10 arene” include benzene and naphthalene, and benzene is preferable.
- substituent of the "optionally substituted C 6-10 array” a halogen atom, a cyano group, a C 1-6 alkyl group, a hydroxy group, a C 1-6 alkoxy group, a sulfanyl group, etc.
- C 1-6 alkylsulfanyl group amino group, mono-C 1-6 alkylamino group, di-C 1-6 alkylamino group, formyl group, carboxy group, C 1-6 alkoxy-carbonyl group, C 6-10 Included are aryl groups and C 7-16 aralkyl groups.
- the difluoromethyl-substituted aromatic heterocyclic compound (II) is a tetrafluoro N-oxide aromatic heterocyclic compound (I) in a solvent selected from an aromatic hydrocarbon solvent, an ester solvent and an ether solvent.
- a solvent selected from an aromatic hydrocarbon solvent, an ester solvent and an ether solvent.
- the reaction mechanism is as follows, for example, when a proton source exists and it is water.
- N-oxide aromatic heterocyclic compound (I) include the following N-oxide aromatic heterocyclic compounds (IA) and (IB).
- X 1a indicates CR 1a or N
- X 1b indicates CR 1b or N
- X 1c indicates CR 1c or N
- X 1d indicates CR 1d or N
- R 1a , R 1b , R 1c and R 1d independently have a hydrogen atom, a halogen atom, a cyano group, a C 1-6 alkyl group, a C 1-6 haloalkyl group, a hydroxy group and a C 1-6 alkoxy group, respectively.
- C 1-6 haloalkoxy group sulfanyl group, C 1-6 alkyl sulfanyl group, amino group, mono-C 1-6 alkylamino group, di-C 1-6 alkylamino group, formyl group, carboxy group,
- a C 6-10 array may be formed which may be substituted with a substituent selected from;
- X 2a indicates CR 2a , N, NR 2a , S or O;
- X 2b indicates CR 2b or N;
- X 2c indicates CR 2c , N, NR 2c , S or O;
- R 2a , R 2b and R 2c independently have a hydrogen atom, a halogen atom, a cyano group, a
- -6 haloalkoxy group sulfanyl group, C 1-6 alkyl sulfanyl group, amino group, mono-C 1-6 alkylamino group, di-C 1-6 alkylamino group, formyl group, carboxy group, C 1-6 An alkoxy-carbonyl group, a C 6-10 aryl group or a C 7-16 aralkyl group, or R 2a and R 2b , or R 2b and R 2c combined together, a halogen atom, a cyano group, a C 1- 6 Alkyl group, C 1-6 haloalkyl group, hydroxy group, C 1-6 alkoxy group, C 1-6 haloalkoxy group, sulfanyl group, C 1-6 alkyl sulfanyl group, amino group, mono-C 1-6 alkyl Substituted with a substituent selected from an amino group, a di-C 1-6 alkylamino group, a formyl group, a
- R 1a , R 1b , R 1c and R 1d are preferably independently independent hydrogen atoms, cyano groups or C 1-6 alkyl groups, respectively, or R 1a and R 1b , R 1b and R 1c , respectively.
- R 1c and R 1d may be combined to form a C 6-10 array, which may be substituted with a C 1-6 alkoxy-carbonyl group.
- R 2a , R 2b and R 2c are preferably hydrogen atoms, C 1-6 alkyl groups or C 7-16 aralkyl groups, respectively, or R 2a and R 2b , or R 2b and R, respectively. 2c may be combined to form a C 6-10 arene.
- one of the bonds R 2a- R 2b and the bond R 2b- R 2c is a single bond and the other is a double bond.
- the bond R 2a- R 2b is a single bond and the bond R 2b- R 2c is a double bond.
- the bond R 2a- R 2b is a double bond and the bond R 2b- R 2c is a single bond.
- N-oxide aromatic heterocyclic compound (IA) include the following N-oxide aromatic heterocyclic compounds (IA-a) to (IA-e).
- N-oxide aromatic heterocyclic compound (IA) include the following compounds.
- R 1aa, R 1bb, R 1cc and R 1dd are each independently a hydrogen atom, a halogen atom, a cyano group, C 1-6 alkyl, C 1-6 haloalkyl group, hydroxy group, C 1-6 alkoxy group , C 1-6 haloalkoxy group, sulfanyl group, C 1-6 alkyl sulfanyl group, amino group, mono-C 1-6 alkylamino group, di-C 1-6 alkylamino group, formyl group, carboxy group, C Shows 1-6 alkoxy-carbonyl group, C 6-10 aryl group or C 7-16 aralkyl group;
- the n R 1ees independently represent a halogen atom, a cyano group, a C 1-6 alkyl group, a C 1-6 haloalkyl group, a hydroxy group, a C 1-6 alkoxy group, and a C 1-6 haloalk
- R 1aa, R 1bb, R 1cc and R 1dd are preferably each independently a hydrogen atom, a cyano group or a C 1-6 alkyl group;
- the n R 1ees are preferably independently C 1-6 alkoxy-carbonyl groups, respectively; n is 0 or 1.
- N-oxide aromatic heterocyclic compound (IB) include the following N-oxide aromatic heterocyclic compounds (IB-a) to (IB-ff).
- N-oxide aromatic heterocyclic compound (IB) include the following compounds.
- R 2aa , R 2bb and R 2cc are independently hydrogen atom, halogen atom, cyano group, C 1-6 alkyl group, C 1-6 haloalkyl group, hydroxy group and C 1-6 alkoxy, respectively.
- R 2ees independently represent a halogen atom, a cyano group, a C 1-6 alkyl group, a C 1-6 haloalkyl group, a hydroxy group, a C 1-6 alkoxy group, and a C 1-6 haloalkoxy group, respectively.
- R 2aa , R 2bb and R 2cc are preferably hydrogen atoms, C 1-6 alkyl groups or C 7-16 aralkyl groups, respectively, independently; n is 0.
- the N-oxide aromatic heterocyclic compound (I) may be a commercially available product, or may be produced by a method known per se.
- the reaction is carried out using a proton source, and the proton source may be present from the start of the reaction, may be added in the middle of the reaction, or may be a compound generated in the reaction process (for example, hydrogen fluoride). It may be present, but from the viewpoint of reaction rate, it is preferably present from the start of the reaction.
- the proton source include inorganic acids, organic acids, water and the like, and specific examples thereof include hydrogen fluoride, hydrogen chloride, ammonium salts, water and buffer solutions. Of these, water and hydrogen fluoride are preferable. Further, the water may be a water molecule hydrated with the raw material N-oxide aromatic heterocyclic compound (I). Hydrogen fluoride may be a hydrogen fluoride molecule generated in the reaction process.
- the amount of the proton source used can be appropriately selected, but for example, in the case of the water or buffer solution, the volume is preferably 0.05 to 0.5 times that of the solvent described later.
- the proton source is, for example, the hydrated water molecule, 1 to 10 mol is preferable with respect to 1 mol of the N-oxide aromatic heterocyclic compound (I).
- the proton source is, for example, a hydrogen fluoride molecule generated in the reaction process, 1 mol is preferable with respect to 1 mol of the N-oxide aromatic heterocyclic compound (I).
- the reaction may be carried out in the presence of additives.
- the reaction is carried out under a solvent selected from aromatic hydrocarbon solvents, ester solvents and ether solvents.
- a solvent selected from aromatic hydrocarbon solvents, ester solvents and ether solvents.
- aromatic hydrocarbon solvent include toluene, xylene, nitrobenzene and the like.
- ester solvent include butyl acetate and octyl acetate.
- ether solvent include dibutyl ether and cyclopentyl methyl ether.
- the solvent used in the reaction is preferably a solvent having a boiling point of 80 ° C.
- examples of such a solvent include toluene, xylene, nitrobenzene, butyl acetate, octyl acetate, dibutyl ether, cyclopentyl methyl ether and the like, and among them, toluene, xylene and butyl acetate are preferable.
- the amount of the solvent used is usually 100 to 1000 times, preferably 100 to 200 times, the volume of the N-oxide aromatic heterocyclic compound (I).
- the reaction may be carried out by flowing tetrafluoroethylene into a mixture of the N-oxide aromatic heterocyclic compound (I), a proton source and a solvent in a flow system, or the N-oxide aromatic heterocyclic compound (I). , After flowing the tetrafluoroethylene into the mixture of the proton source and the solvent, it may be carried out in a closed system. From the viewpoint of reaction efficiency, yield and reduction of by-products, the reaction is preferably carried out in a closed system, preferably in the range of 0.1 to 100.0 MPa, particularly in the range of 0.1 to 10.0 MPa. ..
- the N-oxide aromatic heterocyclic compound (I) is of formula (IA), and R 1a and R 1b , R 1b and R 1c , or R 1c and R 1d are combined to form the above C 6-10 array.
- the reaction easily proceeds and the reaction rate increases, so that it is within the range of 0.1 to 10.0 MPa, further within the range of 0.1 to 1.0 MPa, particularly 0.1 to 0. It is preferable to carry out under pressure within the range of .5 MPa.
- the pressure range may be used and the reaction time is shortened.
- It may be carried out under pressure within the range of 0.1 to 30.0 MPa, further within the range of 1.5 to 3.0 MPa, particularly within the range of 2.0 to 2.5 MPa. It is preferable to degas the reaction system in advance before the inflow of tetrafluoroethylene. The reaction is preferably carried out in a nitrogen atmosphere.
- the reaction is preferably carried out in the presence of a buffer solution having a pH of 5.0 to 8.0, and more preferably carried out in the presence of a buffer solution having a pH of 5.0 to 7.0.
- a buffer solution having a pH of 5.0 to 7.0 This reduces the production of by-products and improves the yield.
- the buffer solution include a phosphate buffer solution (pH 7.0 to 7.5).
- the amount of the buffer solution to be used is preferably 0.05 to 0.5 times the volume of the above solvent.
- the reaction is usually carried out at 100 ° C. or higher, preferably in the range of 100 to 300 ° C.
- the N-oxide aromatic heterocyclic compound (I) is of formula (IA), and R 1a and R 1b , R 1b and R 1c , or R 1c and R 1d are combined to form the above C 6-10 array.
- the temperature range may be the above, and the reaction can easily proceed. It may be carried out in the range of about 300 ° C., particularly in the range of 200 to 250 ° C.
- the reaction time depends on the type of the N-oxide aromatic heterocyclic compound (I) and the reaction temperature, but is usually 12 to 120 hours, preferably 24 to 48 hours.
- the desired difluoromethyl-substituted aromatic heterocyclic compound (II) is obtained from the reaction mixture by a separation means such as concentration, crystallization, recrystallization, distillation, solvent extraction, fractionation, and chromatography according to a conventional method. Can be isolated and / or purified.
- the container for reacting the tetrafluoroethylene with the N-oxide aromatic heterocyclic compound (I) is not particularly limited as long as it does not adversely affect the reaction, and for example, a metal container or the like can be used. Since the present invention handles olefins in a gaseous state under reaction conditions, a pressure-resistant container capable of airtightness is preferable. Further, since the compound produced as the reaction proceeds may react with the metal of the reaction vessel to become a reaction inhibitor, a container having a resin lining or a glass lining with PFA or the like is preferable.
- the difluoromethyl-substituted aromatic heterocyclic compound (II) thus obtained is useful as a synthetic intermediate for pharmaceuticals or pesticides, and can be derived into various pharmaceuticals or pesticides.
- a crude liquid containing compounds 2 and 3 was obtained from compound 1 in the same manner as in Example 1 except that toluene and water were eliminated and the conditions were changed to no solvent. After completion of the reaction, 1 H-NMR and GC-MS of the crude liquid were measured to obtain Compound 2 in a yield of 13%.
- a crude liquid containing compound 5 was obtained from compound 4 in the same manner as in Example 1 except that toluene and water were changed to butyl acetate.
- 1 H-NMR and GC-MS of the crude liquid after completion of the reaction were measured to obtain Compound 5 in a yield of 62%.
- the hydrate raw material of Compound 4 was used.
- 1 1 H-NMR and GC-MS of the above compound (5) are shown below.
- 1 1 H-NMR (CDCl 3 ) ⁇ 9.19 (s, 1H), 8.14-8.23 (m, 2H), 7.84-7.91 (m, 2H), 6.84 (t, 2H) 1H)
- GC-MS (EI): [M +] 180
- a crude liquid containing compound 7 was obtained from compound 6 in the same manner as in Example 1 except that toluene and water were changed to butyl acetate.
- 1 H-NMR and GC-MS of the crude liquid after completion of the reaction were measured to obtain Compound 7 in a yield of 56%.
- the hydrate raw material of Compound 6 was used.
- 1 1 H-NMR and GC-MS of the above compound (7) are shown below.
- 1 1 H-NMR (CDCl 3 ) ⁇ 9.62 (s, 1H), 8.22 (m, 2H), 8.08 (m, 2H), 7.28 (t, 1H)
- GC-MS (EI): [M +] 180
- a crude liquid containing compound 13 was obtained from compound 12 in the same manner as in Example 1 except that toluene was changed to xylene.
- 1 H-NMR and GC-MS of the crude liquid after completion of the reaction were measured to obtain Compound 13 in a yield of 60%.
- 1 1 H-NMR and GC-MS of the above compound (13) are shown below.
- GC-MS (EI): [M +] 186
- a crude liquid containing compound 20 was obtained from compound 19 in the same manner as in Example 1.
- 1 H-NMR and GC-MS of the crude liquid after completion of the reaction were measured to obtain Compound 20 in a yield of 20%.
- 1 1 H-NMR and GC-MS of the above compound (20) are shown below.
- 1 1 H-NMR (CDCl 3 ) ⁇ 8.87 (d, 1H), 7.88 (s, 1H), 7.73-7.59 (m, 1H), 6.68 (t, 1H)
- GC-MS (EI): [M +] 154
- a simple and inexpensive method of flowing tetrafluoroethylene into the N-oxide aromatic heterocyclic compound (I) in a specific solvent has a small amount of by-products, a good yield, and one step.
- Difluoromethyl-substituted aromatic heterocyclic compound (II) can be produced.
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Abstract
Description
N,N-ジメチルホルムアミドおよび水中、1工程または2工程で、キノリンN-オキシドをヘキサフルオロプロペン(CF2=CFCF3)と室温で反応させることにより、2-(1,2,2,2-テトラフルオロエチル)キノリンを製造する方法(非特許文献1、スキーム5);
N,N-ジメチルホルムアミド中、キノリンN-オキシドをヘキサフルオロプロペン(CF2=CFCF3)と室温で反応させることにより、2-(1,2,2,2-テトラフルオロエチル)キノリンを製造する方法(非特許文献2、スキーム1および表1);
が知られている。
[1]
芳香族炭化水素溶媒、エステル溶媒およびエーテル溶媒から選択される溶媒中、式(I):
[2]
反応が、100~300℃の範囲内で行われる、上記[1]に記載の製造方法。
[3]
反応が、0.1~10.0MPaの範囲内で行われる、上記[1]または[2]に記載の製造方法。
[4]
反応が、pH5.0~8.0緩衝液の存在下で行われる、上記[1]~[3]のいずれかに記載の製造方法。
[5]
式(I)で表される部分構造を有するN-オキシド芳香族複素環化合物が、式(IA)または(IB):
X1aはCR1aまたはNを示し;
X1bはCR1bまたはNを示し;
X1cはCR1cまたはNを示し;
X1dはCR1dまたはNを示し;
R1a、R1b、R1cおよびR1dは、独立してそれぞれ、水素原子、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基またはC7-16アラルキル基を示すか、あるいはR1aおよびR1b、R1bおよびR1c、またはR1cおよびR1dが一緒になって、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基およびC7-16アラルキル基から選択される置換基で置換されていてもよいC6-10アレーンを形成してもよく;
X2aはCR2a、N、NR2a、SまたはOを示し;
X2bはCR2bまたはNを示し;
X2cはCR2c、N、NR2c、SまたはOを示し;
R2a、R2bおよびR2cは、独立してそれぞれ、水素原子、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基またはC7-16アラルキル基を示すか、あるいはR2aおよびR2b、またはR2bおよびR2cが一緒になって、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基およびC7-16アラルキル基から選択される置換基で置換されていてもよいC6-10アレーンを形成してもよい。]
で表されるN-オキシド芳香族複素環化合物(以下、N-オキシド芳香族複素環化合物(IA)または(IB)ともいう)である、上記[1]~[4]のいずれかに記載の製造方法。
式(I)で表される部分構造を有するN-オキシド芳香族複素環化合物が、式(IA)であり、かつ式中のR1aおよびR1b、R1bおよびR1c、またはR1cおよびR1dが一緒になって、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基およびC7-16アラルキル基から選択される置換基で置換されていてもよいC6-10アレーンを形成している、上記[5]に記載の製造方法。
式(I)で表される部分構造を有するN-オキシド芳香族複素環化合物が、式(IA)であり、かつ式中のR1a、R1b、R1cおよびR1dが、独立してそれぞれ、水素原子、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基またはC7-16アラルキル基である、上記[5]に記載の製造方法。
式(I)で表される部分構造を有するN-オキシド芳香族複素環化合物が、式(IB)であり、かつ式中のR2aおよびR2b、またはR2bおよびR2cが一緒になって、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基およびC7-16アラルキル基から選択される置換基で置換されていてもよいC6-10アレーンを形成している、上記[5]に記載の製造方法。
式(I)で表される部分構造を有するN-オキシド芳香族複素環化合物が、式(IB)であり、かつ式中のR2a、R2bおよびR2cが、独立してそれぞれ、水素原子、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基またはC7-16アラルキル基である、上記[5]に記載の製造方法。
本明細書中「~」または「-」で表される数値範囲は、「~」または「-」の前後の数字を下限値または上限値とする数値範囲を意味する。
本明細書中、元素記号「C」に「-」の前後の数字で数値範囲を付したものを任意の基の名称に付して示す場合には、「-」の前後の数字を下限値または上限値とする整数個の炭素数である任意の基をそれぞれを示している。例えば、炭素数が1~3個であるアルキル基を「C1-3アルキル基」と示すことがあるが、これは、-CH3、-C2H5、-C3H7等のそれぞれを示している。他の基についても同様である。
本明細書中、「置換されていてもよいC6-10アレーン」の置換基としては、ハロゲン原子、シアノ基、C1-6アルキル基、ヒドロキシ基、C1-6アルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基およびC7-16アラルキル基が挙げられる。
本発明では、ジフルオロメチル置換芳香族複素環化合物(II)は、芳香族炭化水素溶媒、エステル溶媒およびエーテル溶媒から選択される溶媒中、N-オキシド芳香族複素環化合物(I)を、テトラフルオロエチレンと反応させることにより製造される。その反応機構は、例えばプロトン源が存在し、それが水である場合は、以下の通りである。
X1aはCR1aまたはNを示し;
X1bはCR1bまたはNを示し;
X1cはCR1cまたはNを示し;
X1dはCR1dまたはNを示し;
R1a、R1b、R1cおよびR1dは、独立してそれぞれ、水素原子、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基またはC7-16アラルキル基を示すか、あるいはR1aおよびR1b、R1bおよびR1c、またはR1cおよびR1dが一緒になって、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基およびC7-16アラルキル基から選択される置換基で置換されていてもよいC6-10アレーンを形成してもよく;
X2aはCR2a、N、NR2a、SまたはOを示し;
X2bはCR2bまたはNを示し;
X2cはCR2c、N、NR2c、SまたはOを示し;
R2a、R2bおよびR2cは、独立してそれぞれ、水素原子、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基またはC7-16アラルキル基を示すか、あるいはR2aおよびR2b、またはR2bおよびR2cが一緒になって、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基およびC7-16アラルキル基から選択される置換基で置換されていてもよいC6-10アレーンを形成してもよい。]
R1a、R1b、R1cおよびR1dは、好ましくは、独立してそれぞれ、水素原子、シアノ基またはC1-6アルキル基であるか、あるいはR1aおよびR1b、R1bおよびR1c、またはR1cおよびR1dが一緒になって、C1-6アルコキシ-カルボニル基で置換されていてもよいC6-10アレーンを形成してもよい。
R2a、R2bおよびR2cは、好ましくは、独立してそれぞれ、水素原子、C1-6アルキル基またはC7-16アラルキル基であるか、あるいはR2aおよびR2b、またはR2bおよびR2cが一緒になって、C6-10アレーンを形成してもよい。
中でも、(IA-a)、(IA-b)、(IA-d)が好ましい。
N-オキシド芳香族複素環化合物(IA)の好適な具体例としては、以下の化合物が挙げられる。
R1aa、R1bb、R1ccおよびR1ddは、独立してそれぞれ、水素原子、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基またはC7-16アラルキル基を示し;
n個のR1eeは、独立してそれぞれ、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基またはC7-16アラルキル基を示し;
nは、0~4の整数を示す。]
R1aa、R1bb、R1ccおよびR1ddは、好ましくは、独立してそれぞれ、水素原子、シアノ基またはC1-6アルキル基であり;
n個のR1eeは、好ましくは、独立してそれぞれ、C1-6アルコキシ-カルボニル基であり;
nは、0または1である。
中でも、(IB-e)、(IB-u)、(IB-w)が好ましい。
N-オキシド芳香族複素環化合物(IB)の好適な具体例としては、以下の化合物が挙げられる。
n個のR2eeは、独立してそれぞれ、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基またはC7-16アラルキル基を示し;
nは、0~4の整数を示す。]
R2aa、R2bbおよびR2ccは、好ましくは、独立してそれぞれ、水素原子、C1-6アルキル基またはC7-16アラルキル基であり;
nは、0である。
プロトン源としては、無機酸、有機酸、水などが挙げられ、具体的には、フッ化水素、塩化水素、アンモニウム塩、水、緩衝溶液などが挙げられる。中でも水、フッ化水素が好ましい。また、水は原料のN-オキシド芳香族複素環化合物(I)に水和している水分子でもよい。フッ化水素は、反応過程で発生するフッ化水素分子でもよい。
プロトン源の使用量は、適宜選択可能であるが、例えば前記水や緩衝溶液の場合は、後述する溶媒に対して0.05~0.5倍容量であるのが好ましい。また、プロトン源が例えば前記水和している水分子である場合は、N-オキシド芳香族複素環化合物(I)1モルに対して、1~10モルが好ましい。また、プロトン源が例えば前記反応過程で発生するフッ化水素分子である場合は、N-オキシド芳香族複素環化合物(I)1モルに対して、1モルが好ましい。
芳香族炭化水素溶媒としては、トルエン、キシレン、ニトロベンゼン等が挙げられる。
エステル溶媒としては、酢酸ブチル、酢酸オクチル等が挙げられる。
エーテル溶媒としては、ジブチルエーテル、シクロペンチルメチルエーテル等が挙げられる。
当該反応で使用される溶媒は、反応温度の点から、80℃以上の沸点を有する溶媒であることが好ましく、100℃以上の沸点を有する溶媒であることがより好ましく、110℃以上の沸点を有する溶媒であることが特に好ましい。このような溶媒としては、トルエン、キシレン、ニトロベンゼン、酢酸ブチル、酢酸オクチル、ジブチルエーテル、シクロペンチルメチルエーテル等が挙げられ、中でも、トルエン、キシレン、酢酸ブチルが好ましい。
溶媒の使用量は、N-オキシド芳香族複素環化合物(I)に対して、通常100~1000倍容量、好ましくは100~200倍容量である。
N-オキシド芳香族複素環化合物(I)が式(IA)であり、かつR1aおよびR1b、R1bおよびR1c、またはR1cおよびR1dが一緒になって上記C6-10アレーンを形成している場合は、反応が進みやすく、かつ反応速度が上がる点から、0.1~10.0MPaの範囲内、更には0.1~1.0MPaの範囲内、特に0.1~0.5MPaの範囲内の加圧下で行うのがよい。
一方、N-オキシド芳香族複素環化合物(I)が式(IA)であり、かつ上記C6-10アレーンを形成していない場合は、上記圧力範囲でもよく、反応時間が短くなる点から、0.1~30.0MPaの範囲内、更には1.5~3.0MPaの範囲内、特に2.0~2.5MPaの範囲内の加圧下で行うのもよい。
テトラフルオロエチレンの流入前には、予め反応系を脱気しておくことが好ましい。また、反応は、窒素雰囲気下で行うことが好ましい。
N-オキシド芳香族複素環化合物(I)が式(IA)であり、かつR1aおよびR1b、R1bおよびR1c、またはR1cおよびR1dが一緒になって上記C6-10アレーンを形成している場合は、反応が進みやすい点から、100~200℃の範囲内、特に100~150℃の範囲内で行うのがよい。
一方、N-オキシド芳香族複素環化合物(I)が式(IA)であり、かつ上記C6-10アレーンを形成していない場合は、上記温度範囲でもよく、反応が進みやすい点から、200~300℃の範囲内、特に200~250℃の範囲内で行うのもよい。
[分析方法]
以下、本発明を実施例により説明するが、本発明はこれらの例のみに限定されるものではない。核磁気共鳴スペクトル(NMR)は、日本電子社製JNM-AL300を用いて測定した。1H-NMRは、テトラメチルシランを基準として300MHzで測定した。
質量分析(LC-MS)は、アジレント・テクノロジー社製の液体クロマトグラフマススペクトルシステム(LCMS6120B)を用いて測定した。質量分析(GC-MS)は、株式会社島津製作所製のガスクロマトグラフ質量分析計(GCMS-QP5000V2またはGCMS-QP2010Ultra)を用いて、電子イオン化法(EI)により求めた。
上記化合物(2)の1H-NMRおよびGC-MSを以下に示す。
1H-NMR(CDCl3)δ 8.34 (d, 1H), 8.15 (d, 1H), 7.90 (d, 1H), 7.80 (dd, 1H), 7.74 (d, 1H), 7.65 (dd, 1H), 6.79 (t, 1H)
GC-MS(EI):[M+]=179
上記化合物(5)の1H-NMRおよびGC-MSを以下に示す。
1H-NMR(CDCl3)δ 9.19 (s, 1H), 8.14 - 8.23(m, 2H), 7.84 - 7.91 (m, 2H), 6.84 (t,1H)
GC-MS(EI):[M+]=180
上記化合物(7)の1H-NMRおよびGC-MSを以下に示す。
1H-NMR(CDCl3)δ 9.62 (s, 1H), 8.22(m, 2H), 8.08 (m, 2H), 7.28 (t,1H)
GC-MS(EI):[M+]=180
GC-MS(EI):[M+]=129
上記化合物(11)の1H-NMRおよびLC-MSを以下に示す。
1H-NMR(CDCl3)δ 8.63 (d, 1H), 8.34-8.43(m, 2H), 8.18 (d, 1H), 7.79 (d,1H), 6.78 (t,1H), 4.02(s,3H)
LC-MS:[M+1]=238
上記化合物(13)の1H-NMRおよびGC-MSを以下に示す。
1H-NMR(DMSO)δ 7.38-7.70 (m, 3H), 8.20(m, 1H), 8.26 (m, 1H)
GC-MS(EI):[M+]=186
上記化合物(15)の1H-NMRおよびLC-MSを以下に示す。
1H-NMR(CDCl3)δ 7.27-7.39 (m, 5H), 6.70 (t, J = 52.9 Hz, 1H), 5.27 (s, 2H), 2.19 (s, 3H), 1.98 (s, 3H)
LC-MS:[M+1]=237
上記化合物(18)の1H-NMRおよびGC-MSを以下に示す。
1H-NMR(CDCl3)δ 8.55 (d, 1H), 7.62(s, 1H), 7.39 (d, 1H), 6.64 (t,1H), 1.34 (s,9H)
GC-MS(EI):[M+]=185
上記化合物(20)の1H-NMRおよびGC-MSを以下に示す。
1H-NMR(CDCl3)δ 8.87 (d, 1H), 7.88(s, 1H), 7.73-7.59 (m, 1H), 6.68 (t,1H)
GC-MS(EI):[M+]=154
Claims (9)
- 反応が、100~300℃の範囲内で行われる、請求項1に記載の製造方法。
- 反応が、0.1~10.0MPaの範囲内で行われる、請求項1または2に記載の製造方法。
- 反応が、pH5.0~8.0緩衝液の存在下で行われる、請求項1~3のいずれかに記載の製造方法。
- 式(I)で表される部分構造を有するN-オキシド芳香族複素環化合物が、式(IA)または(IB):
X1aはCR1aまたはNを示し;
X1bはCR1bまたはNを示し;
X1cはCR1cまたはNを示し;
X1dはCR1dまたはNを示し;
R1a、R1b、R1cおよびR1dは、独立してそれぞれ、水素原子、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基またはC7-16アラルキル基を示すか、あるいはR1aおよびR1b、R1bおよびR1c、またはR1cおよびR1dが一緒になって、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基およびC7-16アラルキル基から選択される置換基で置換されていてもよいC6-10アレーンを形成してもよく;
X2aはCR2a、N、NR2a、SまたはOを示し;
X2bはCR2bまたはNを示し;
X2cはCR2c、N、NR2c、SまたはOを示し;
R2a、R2bおよびR2cは、独立してそれぞれ、水素原子、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基またはC7-16アラルキル基を示すか、あるいはR2aおよびR2b、またはR2bおよびR2cが一緒になって、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基およびC7-16アラルキル基から選択される置換基で置換されていてもよいC6-10アレーンを形成してもよい。]
で表されるN-オキシド芳香族複素環化合物である、請求項1~4のいずれかに記載の製造方法。 - 式(I)で表される部分構造を有するN-オキシド芳香族複素環化合物が、式(IA)であり、かつ式中のR1aおよびR1b、R1bおよびR1c、またはR1cおよびR1dが一緒になって、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基およびC7-16アラルキル基から選択される置換基で置換されていてもよいC6-10アレーンを形成している、請求項5に記載の製造方法。
- 式(I)で表される部分構造を有するN-オキシド芳香族複素環化合物が、式(IA)であり、かつ式中のR1a、R1b、R1cおよびR1dが、独立してそれぞれ、水素原子、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基またはC7-16アラルキル基である、請求項5に記載の製造方法。
- 式(I)で表される部分構造を有するN-オキシド芳香族複素環化合物が、式(IB)であり、かつ式中のR2aおよびR2b、またはR2bおよびR2cが一緒になって、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基およびC7-16アラルキル基から選択される置換基で置換されていてもよいC6-10アレーンを形成している、請求項5に記載の製造方法。
- 式(I)で表される部分構造を有するN-オキシド芳香族複素環化合物が、式(IB)であり、かつ式中のR2a、R2bおよびR2cが、独立してそれぞれ、水素原子、ハロゲン原子、シアノ基、C1-6アルキル基、C1-6ハロアルキル基、ヒドロキシ基、C1-6アルコキシ基、C1-6ハロアルコキシ基、スルファニル基、C1-6アルキルスルファニル基、アミノ基、モノ-C1-6アルキルアミノ基、ジ-C1-6アルキルアミノ基、ホルミル基、カルボキシ基、C1-6アルコキシ-カルボニル基、C6-10アリール基またはC7-16アラルキル基である、請求項5に記載の製造方法。
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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Non-Patent Citations (7)
Title |
---|
CHEM. EUR. J., vol. 14, 2008, pages 2577 - 2589 |
E. A. MAILEY AND L. R. OCONE: "Fluoroalkylpyridines. A novel rearrangement", THE JOURNAL OF ORGANIC CHEMISTRY, vol. 33, no. 8, 1968, pages 3343 - 3344, XP055845939 * |
LOSKA RAFAŁ, MĄKOSZA MIECZYSŁAW: "New Synthesis of 2-Heteroarylperfluoropropionic Acids Derivatives by Reaction of AzineN-Oxides with Hexafluoropropene", CHEM. EUR. J., vol. 14, 2008, pages 2577 - 2589, XP055845922 * |
LOSKA, R. ET AL.: "Simple method for the introduction of tetrafluoroethyl substituents into nitrogen heterocycles", MENDELEEV COMMUNICATIONS, vol. 16, no. 3, 2006, pages 161 - 163, XP022533350 * |
MENDELEEV COMMUN, 2006, pages 161 - 163 |
RAFAŁ LOSKA; KATARZYNA SZACHOWICZ; DOROTA SZYDLIK: "Synthesis of Alkyl Aryl(heteroaryl)acetates from N -Oxides, 1,1-Difluorostyrenes, and Alcohols", ORGANIC LETTERS, vol. 15, no. 22, 2013, pages 5706 - 5709, XP055189961 * |
See also references of EP4101842A4 |
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