CN113527146A - 分子氧促进谐二氟烯烃羟化磺酰酯化反应制备β-羟基-谐二氟磺酰酯类化合物的方法 - Google Patents
分子氧促进谐二氟烯烃羟化磺酰酯化反应制备β-羟基-谐二氟磺酰酯类化合物的方法 Download PDFInfo
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- CN113527146A CN113527146A CN202110954946.1A CN202110954946A CN113527146A CN 113527146 A CN113527146 A CN 113527146A CN 202110954946 A CN202110954946 A CN 202110954946A CN 113527146 A CN113527146 A CN 113527146A
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- compound
- difluoro
- reaction
- hydroxy
- sulfonyl
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- 238000000034 method Methods 0.000 title claims abstract description 39
- -1 difluoro alkene Chemical class 0.000 title claims abstract description 32
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 title abstract description 9
- 229910001882 dioxygen Inorganic materials 0.000 title abstract description 9
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 title abstract description 7
- 238000005886 esterification reaction Methods 0.000 title abstract description 6
- 230000033444 hydroxylation Effects 0.000 title abstract description 6
- 238000005805 hydroxylation reaction Methods 0.000 title abstract description 6
- 230000001737 promoting effect Effects 0.000 title abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 150000001875 compounds Chemical class 0.000 claims abstract description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 18
- 239000001301 oxygen Substances 0.000 claims abstract description 18
- 230000001590 oxidative effect Effects 0.000 claims abstract description 11
- HTSGKJQDMSTCGS-UHFFFAOYSA-N 1,4-bis(4-chlorophenyl)-2-(4-methylphenyl)sulfonylbutane-1,4-dione Chemical compound C1=CC(C)=CC=C1S(=O)(=O)C(C(=O)C=1C=CC(Cl)=CC=1)CC(=O)C1=CC=C(Cl)C=C1 HTSGKJQDMSTCGS-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000007800 oxidant agent Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 239000002904 solvent Substances 0.000 claims description 37
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 claims description 30
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 25
- 239000000654 additive Substances 0.000 claims description 20
- 230000000996 additive effect Effects 0.000 claims description 20
- 125000001072 heteroaryl group Chemical group 0.000 claims description 19
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims description 16
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 16
- 125000003118 aryl group Chemical group 0.000 claims description 16
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 15
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 15
- 125000003545 alkoxy group Chemical group 0.000 claims description 11
- 125000001424 substituent group Chemical group 0.000 claims description 10
- 125000003107 substituted aryl group Chemical group 0.000 claims description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 8
- 125000003944 tolyl group Chemical group 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 125000004799 bromophenyl group Chemical group 0.000 claims description 4
- 125000000068 chlorophenyl group Chemical group 0.000 claims description 4
- 125000001207 fluorophenyl group Chemical group 0.000 claims description 4
- 125000006303 iodophenyl group Chemical group 0.000 claims description 4
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 4
- IUGYQRQAERSCNH-UHFFFAOYSA-N pivalic acid Chemical compound CC(C)(C)C(O)=O IUGYQRQAERSCNH-UHFFFAOYSA-N 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 abstract description 13
- 238000003786 synthesis reaction Methods 0.000 abstract description 10
- CHLCPTJLUJHDBO-UHFFFAOYSA-M sodium;benzenesulfinate Chemical compound [Na+].[O-]S(=O)C1=CC=CC=C1 CHLCPTJLUJHDBO-UHFFFAOYSA-M 0.000 abstract description 5
- 231100000252 nontoxic Toxicity 0.000 abstract description 2
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- 150000003254 radicals Chemical class 0.000 abstract description 2
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 60
- 238000001035 drying Methods 0.000 description 14
- 150000001336 alkenes Chemical class 0.000 description 12
- 238000003818 flash chromatography Methods 0.000 description 11
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 10
- 238000004293 19F NMR spectroscopy Methods 0.000 description 10
- 238000005160 1H NMR spectroscopy Methods 0.000 description 10
- 125000004432 carbon atom Chemical group C* 0.000 description 9
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 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 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 229910052708 sodium Inorganic materials 0.000 description 6
- DOUHZFSGSXMPIE-UHFFFAOYSA-N hydroxidooxidosulfur(.) Chemical compound [O]SO DOUHZFSGSXMPIE-UHFFFAOYSA-N 0.000 description 5
- 150000003457 sulfones Chemical class 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000001588 bifunctional effect Effects 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 239000003759 ester based solvent Substances 0.000 description 3
- NLFBCYMMUAKCPC-KQQUZDAGSA-N ethyl (e)-3-[3-amino-2-cyano-1-[(e)-3-ethoxy-3-oxoprop-1-enyl]sulfanyl-3-oxoprop-1-enyl]sulfanylprop-2-enoate Chemical compound CCOC(=O)\C=C\SC(=C(C#N)C(N)=O)S\C=C\C(=O)OCC NLFBCYMMUAKCPC-KQQUZDAGSA-N 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 125000005843 halogen group Chemical group 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 2
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000005456 alcohol based solvent Substances 0.000 description 2
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 125000005002 aryl methyl group Chemical group 0.000 description 2
- 125000002785 azepinyl group Chemical group 0.000 description 2
- JEHKKBHWRAXMCH-UHFFFAOYSA-N benzenesulfinic acid Chemical compound O[S@@](=O)C1=CC=CC=C1 JEHKKBHWRAXMCH-UHFFFAOYSA-N 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 235000010290 biphenyl Nutrition 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 125000000000 cycloalkoxy group Chemical group 0.000 description 2
- 125000000753 cycloalkyl group Chemical group 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
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- 125000001153 fluoro group Chemical group F* 0.000 description 2
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- 239000000543 intermediate Substances 0.000 description 2
- 239000005453 ketone based solvent Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
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- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- 125000004400 (C1-C12) alkyl group Chemical group 0.000 description 1
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
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- 125000004172 4-methoxyphenyl group Chemical group [H]C1=C([H])C(OC([H])([H])[H])=C([H])C([H])=C1* 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010499 C–H functionalization reaction Methods 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
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- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 description 1
- 230000000843 anti-fungal effect Effects 0.000 description 1
- 125000006615 aromatic heterocyclic group Chemical group 0.000 description 1
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- 239000003054 catalyst Substances 0.000 description 1
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- 230000002950 deficient Effects 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- 125000004987 dibenzofuryl group Chemical group C1(=CC=CC=2OC3=C(C21)C=CC=C3)* 0.000 description 1
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- 125000002971 oxazolyl group Chemical group 0.000 description 1
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- 239000000575 pesticide Substances 0.000 description 1
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- 238000012746 preparative thin layer chromatography Methods 0.000 description 1
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 1
- 229940090181 propyl acetate Drugs 0.000 description 1
- 125000000561 purinyl group Chemical group N1=C(N=C2N=CNC2=C1)* 0.000 description 1
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- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
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- 125000000168 pyrrolyl group Chemical group 0.000 description 1
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- 230000009257 reactivity Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- ZCOLEKULGWLSNN-UHFFFAOYSA-M sodium 4-phenylbenzenesulfinate Chemical compound [Na+].C1=CC(S(=O)[O-])=CC=C1C1=CC=CC=C1 ZCOLEKULGWLSNN-UHFFFAOYSA-M 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- UHTHXINUPNECBQ-UHFFFAOYSA-M sodium;4-bromobenzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC=C(Br)C=C1 UHTHXINUPNECBQ-UHFFFAOYSA-M 0.000 description 1
- XLKHCFJHGIAKFX-UHFFFAOYSA-M sodium;4-chlorobenzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC=C(Cl)C=C1 XLKHCFJHGIAKFX-UHFFFAOYSA-M 0.000 description 1
- WNRREQPZEBZGFA-UHFFFAOYSA-M sodium;4-cyanobenzenesulfinate Chemical compound [Na+].[O-]S(=O)C1=CC=C(C#N)C=C1 WNRREQPZEBZGFA-UHFFFAOYSA-M 0.000 description 1
- VDDUCRSPMBZLMH-UHFFFAOYSA-M sodium;4-fluorobenzenesulfinate Chemical compound [Na+].[O-]S(=O)C1=CC=C(F)C=C1 VDDUCRSPMBZLMH-UHFFFAOYSA-M 0.000 description 1
- KFZUDNZQQCWGKF-UHFFFAOYSA-M sodium;4-methylbenzenesulfinate Chemical compound [Na+].CC1=CC=C(S([O-])=O)C=C1 KFZUDNZQQCWGKF-UHFFFAOYSA-M 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- YBBRCQOCSYXUOC-UHFFFAOYSA-N sulfuryl dichloride Chemical compound ClS(Cl)(=O)=O YBBRCQOCSYXUOC-UHFFFAOYSA-N 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 125000004306 triazinyl group Chemical group 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/26—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfonic acids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
本发明公开了一种分子氧促进谐二氟烯烃羟化磺酰酯化反应制备β‑羟基‑谐二氟磺酰酯类化合物的方法,涉及有机合成技术领域。反应式如下,以化合物I和化合物II为起始原料,氧气为氧化剂促进反应得到。本发明以谐二氟烯烃和苯亚磺酸钠为起始原料,以无毒无害的氧气为氧化剂,通过自由基双官能化反应最终以中等到较好的产率和较宽的底物范围获得一系列β‑羟基‑谐二氟磺酰酯类化合物,具有制备简便、收率高、绿色环保等优点,具有良好的应用前景。
Description
技术领域
本发明涉及有机合成技术领域,具体涉及一种分子氧促进谐二氟烯烃羟化磺酰酯化反应制备β-羟基-谐二氟磺酰酯类化合物的方法。
背景技术
β-羟基砜是一类重要的含砜化合物,在精细化工、医药、农药和有机功能材料中有着广泛的应用。β-羟基砜衍生物是一种十分有用的有机中间体,它可以制备其他类型的砜(sulfone),如不饱和基团的砜;通过消去β-OH和磺酰基可构建新的不饱和叁键化合物和多烯类化合物。另外,β-羟基砜衍生物大多数具有光学活性,可以合成多种生物活性的物质;在药物合成中占有重要的地位。
为了开发高效的β-羟基砜衍生物的构建策略,许多科研工作者进行了大量工作。考虑到亚硫酸钠盐作为化学品的易得性、稳定性、易操作性和双重反应性(亲核试剂或亲电试剂),使用亚硫酸钠作为砜源来制备砜衍生物被证明是一种很有吸引力的方法。通过亚磺酸钠生成的砜自由基中间体对烯烃进行自由基双官能化已成为制备大量β-羟基砜的可靠途径。一般情况下,该双官能化反应都是以电中性和富电子烯烃为起始原料。例如,雷爱文课题组报道了一种由苯亚磺酸合成二级和三级β-羟基砜的分子间氧磺酰化方法记载了在好氧条件下由I2催化实现烯烃和亚磺酸钠合成β-羟基砜。
现有技术:
(a)R.A.Fromtling,Drugs Future,1989,14,1165-1168;
(b)S.Oida,Y.Tajima,T.Konosu,Y.Nakamura,A.Somada,T.Tanaka,S.Habuki,T.Harasaki,Y.Kamai,T.Fukuoka,S.Ohya and H.Yasuda,Synthesis and AntifungalActivities of R-102557and Related Dioxane-TriazoleDerivatives.Chem.Pharm.Bul.,2000,48,694-707;
(c)H.Eto,Y.Kaneko,S.Takeda,M.Tokizawa,S.Sato,K.Yoshida,S.Namiki,M.Ogawa,K.Maebashi,K.Ishida,M.Matsumoto and T.Asaoka,New Antifungal 1,2,4-Triazoles with Difluoro(substituted sulfonyl)methyl Moiety.Chem.Pharm.Bul.,2001,49,173-782.
(d)D.Joseph,M.A.Idris,J.Chen and S.Lee,Recent Advances in theCatalytic Synthesis of Arylsulfonyl Compounds.ACS Catal.,2021,11,4169-4204;
(e)J.Aziz,S.Messaoudi,M.Alami and A.Hamze,Sulfinate Derivatives:Dualand Versatile Partners in Organic Synthesis.Org.Biomol.Chem.,2014,12,9743-9759;
(f)H.Mei,P.Romana,L.Wang,Z.Li,G.-V.Roschenthaler and J.Han,Chemistryof Electrochemical Oxidative Reactions of Sulfinates Salts.Green Chem.,2020,22,3028-3059.
(g)Q.Lu,J.Zhang,F.Wei,Y.Qi,H.Wang,Z.Liu and A.Lei,Aerobicoxysulfonylation of alkenes leading to secondary and tertiary beta-hydroxysulfones.Angew.Chem.,Int.Ed.,2013,52,7156-7159;
(h)Z.Zhang,J.Yan,D.Ma and J.Sun,Electrochemical synthesis ofβ-hydroxy-,β-alkoxy-,andβ-carbonyloxy sulfones by vicinal difunctionalizationof olefins,Chinese Chem.Let.,2019,30,1509-1511;
(i)A.Kariya,T.Yamaguchi,T.Nobuta,N.Tada,T.Miura and A.Itoh,Molecular-Iodine-Catalyzed Aerobic Oxidative Synthesis ofβ-hydroxy Sulfones fromAlkenes.RSC Adv.,2014,4,13191-13194;
(j)Q.Jiang,Y.Liang,Y.Zhang and X.Zhao,Chalcogenide-CatalyzedIntermolecular Electrophilic Thio-and Halofunctionalization of gem-Difluoroalkenes:Construction of Diverse Difluoroalkyl Sulfides andHalides.Org.Let.,2020,22,7581-7587;
(k)N.Taniguchi,Aerobic Nickel-Catalyzed Hydroxysulfonylation ofAlkenes Using Sodium Sulfinates.J.Org.Chem.,2015,80,7797-7802;(f)Q.P.S.B.Freitas,R.A.G.Lira,J.J.R.Freitas,G.Zeni and P.H.Menezes,Ultrasound-Promoted Chemoselective Oxysulfonylation of Alkenes.J.Braz.Chem.Soc.,2018,29,1167-1174.
(l)Q.Lu,J.Zhang,F.Wei,Y.Qi,H.Wang,Z.Liu and A.Lei,Aerobicoxysulfonylation of alkenes leading to secondary and tertiary beta-hydroxysulfones.Angew.Chem.,Int.Ed.,2013,52,7156-7159
(m)A.Kariya,T.Yamaguchi,T.Nobuta,N.Tada,T.Miura and A.Itoh,Molecular-Iodine-Catalyzed Aerobic Oxidative Synthesis ofβ-hydroxy Sulfones fromAlkenes.RSC Adv.,2014,4,13191-13194
(n)W.Wu and H.Jiang,Palladium-Catalyzed Oxidation of UnsaturatedHydrocarbons Using Molecular Oxygen.Acc.Chem.Res.,2012,45,1736-1748;
(o)Z.Shi,C.Zhang,C.Tang and N.Jiao,Recent advances in transition-metal catalyzed reactions using molecular oxygen as theoxidant.Chem.Soc.Rev.,2012,41,3381-3430;
(p)T.Punniyamurthy,S.Velusamy and J.Iqbal,Recent Advances inTransition Metal Catalyzed Oxidation of Organic Substrates with MolecularOxygen.Chem.Rev.,2005,105,2329-2363;
(q)A.E.Wendlandt,A.M.Suess and S.S.Stahl,Copper-Catalyzed AerobicOxidative C-H Functionalizations:Trends and MechanisticInsights.Angew.Chem.Int.Ed.,2011,50,11062-11087.
此外,中国专利申请CN200410008484.0公开了一种制备β-羟基砜衍生物的方法,制备步骤包括将磺酰氯溶于四氢呋喃溶剂中,然后加入烯烃和水或醇及催化量的酸,20℃-70℃温度下反应1-3天,经萃取、洗涤、有机相干燥、浓缩和提纯步骤后得到产品。本发明方法简便,选择性高,产物易于纯化。
中国专利申请CN201610861207.7公开了一种选择性合成芳基甲基砜和羟基砜衍生物的方法。该方法以亚磺酸钠盐和过氧化二叔丁基为原料,以水为绿色反应溶剂,无需任何添加剂和催化剂,通过控制反应温度选择性得到芳基甲基砜和羟基砜衍生物。该方法具有反应条件温和、操作简单、成本低、对环境友好、产物选择性和产率高等优点。
目前,该领域但仍有两个问题亟待解决:(1)亚磺酸钠与谐二氟烯烃等缺电子烯烃的双官能化反应尚待研究,而含氟分子在药物开发中具有重要意义;(2)亚磺酸钠是否能实现被氧气氧化生成磺酰氧基自由基而不是磺酰自由基,然后进行烯烃的羟磺酰氧基化反应,这一问题尚待研究。有鉴于此,我们公开了一种分子氧促进谐二氟烯烃羟化磺酰酯化反应制备β-羟基-谐二氟磺酰酯类化合物的方法,以无毒无害的氧气为氧化剂,可以高效合成β-羟基-谐二氟磺酰酯类化合物。
发明内容
本发明的目的是提供一种环境友好、直接和新颖的分子氧促进谐二氟烯烃羟化磺酰酯化反应制备β-羟基-谐二氟磺酰酯类化合物的方法,以谐二氟烯烃和苯亚磺酸钠为起始原料,以无毒无害的氧气为氧化剂,通过自由基双官能化反应最终以中等到较好的产率和较宽的底物范围获得一系列β-羟基-谐二氟磺酰酯类化合物。
为实现上述发明目的,本发明的技术方案如下:
一种制备β-羟基-谐二氟磺酰酯类化合物的方法,所述β-羟基-谐二氟磺酰酯类化合物如下式III所示,由化合物I和化合物II反应得到。
其中,
R为芳基、具有取代基的芳基、杂芳基、具有取代基的杂芳基或C1-5的烷氧基。
更进一步优选的,R为芳基或C1-5的烷氧基。
更进一步优选的,R为苯基或甲氧基。
最优选的,R为苯基。
Ar为芳基、具有取代基的芳基、杂芳基或具有取代基的杂芳基。
更进一步优选的,Ar为苯基、甲苯基、联苯基或卤代苯基。
更进一步优选的,Ar为苯基、甲苯基、二联苯基、氟代苯基、氯代苯基、溴代苯基或碘代苯基。
最优选的,Ar为苯基。
进一步的,一种制备β-羟基-谐二氟磺酰酯类化合物的方法,所述β-羟基-谐二氟磺酰酯类化合物如下式III所示,由化合物I和化合物II为反应物,氧分子为氧化剂促进反应得到。
R为芳基、具有取代基的芳基、杂芳基、具有取代基的杂芳基或C1-5的烷氧基。
更进一步优选的,R为芳基或C1-5的烷氧基。
更进一步优选的,R为苯基或甲氧基。
最优选的,R为苯基。
Ar为芳基、具有取代基的芳基、杂芳基或具有取代基的杂芳基。
更进一步优选的,Ar为苯基或具有取代基的苯基。
更进一步优选的,Ar为苯基、甲苯基、二联苯基或氟代苯基、氯代苯基、溴代苯基或碘代苯基。
最优选的,Ar为苯基。
进一步的,一种制备β-羟基-谐二氟磺酰酯类化合物的方法,所述β-羟基-谐二氟磺酰酯类化合物如下式III所示,由化合物I和化合物II为反应物,氧分子为氧化剂促进反应得到。
其中,
R为芳基、具有取代基的芳基、杂芳基、具有取代基的杂芳基或C1-5的烷氧基。
更进一步优选的,R为芳基或C1-5的烷氧基。
更进一步优选的,R为苯基或甲氧基。
最优选的,R为苯基。
Ar为芳基、具有取代基的芳基、杂芳基或具有取代基的杂芳基。
更进一步优选的,Ar为苯基或具有取代基的苯基。
更进一步优选的,Ar为苯基、甲苯基、联苯基或卤代苯基。
更进一步优选的,Ar为苯基、甲苯基、二联苯基或氟代苯基、氯代苯基、溴代苯基或碘代苯基。
最优选的,Ar为苯基。
其中,
所述添加剂为一种或多种质子酸。
所述添加剂进一步优选为TFA(三氟乙酸)、PivOH(三甲基乙酸)、AcOH(醋酸)中的至少一种。
所述添加剂最优选为TFA。
其中,
所述溶剂可选自芳香烃类溶剂如苯、甲苯、二甲苯等;脂肪烃类溶剂如戊烷、己烷、辛烷等;脂环烃类溶剂如环己烷、环己酮、甲苯环己酮等;卤化烃类溶剂如氯苯、二氯苯、二氯甲烷、二氯乙烷等;醇类溶剂如甲醇、乙醇、异丙醇等;醚类溶剂如乙醚、环氧丙烷等;酯类溶剂如醋酸甲酯、醋酸乙酯、醋酸丙酯、乙酸乙酯等;酮类溶剂如丙酮、甲基丁酮、甲基异丁酮等;二醇衍生物溶剂如乙二醇单甲醚、乙二醇单乙醚、乙二醇单丁醚等;其他类溶剂如乙腈、吡啶、苯酚等。
所述溶剂优选自卤化烃类溶剂、酯类溶剂、乙腈中的至少一种。
所述溶剂进一步优选为DCE(二氯乙烷)、MeCN(乙腈)、DCM(二氯甲烷)、乙酸乙酯中的至少一种。
所述溶剂最优选为DCE。
其中,
所述反应的温度为50-100℃,进一步优选为50℃。
所述反应的时间为10-15h,进一步优选为12h。
所述化合物I和化合物II的摩尔比为1:1.5-4,进一步优选为1:2。
所述化合物I和添加剂的摩尔比为1:1-4,进一步优选为1:1。
所述化合物I和溶剂的摩尔体积比为0.1-0.5:1(mmol:mL),进一步优选为0.2:1(mmol:mL)。
作为一种优选方案,所述方法具体包括以下步骤:
将化合物I、化合物II混合,然后依次加入添加剂,溶剂,加热,在氧气氛围下搅拌反应,分离得化合物III。
所属分离的方法可以采用对于本领域技术人员来说公知乃至周知的方法,例如旋干后用快速柱层析分离。
通过上述方法分离得到的化合物III即使不进行纯化也为充分高纯度,也可以通过水等的溶剂清洗进一步进行高纯度。
作为纯化方法,可以采用:对于本领域技术人员来说公知乃至周知的方法即溶剂提取、蒸馏、升华、晶析、硅胶柱色谱法、制备薄层色谱法、制备液相色谱法、溶剂清洗等方法。
纯化中使用的溶剂优选从化合物III不分解的溶剂中选择,可以举出:二氯甲烷、氯仿、1,2-二氯乙烷等卤素系溶剂;苯、甲苯、二甲苯、苯甲醚等芳香族系溶剂;乙醚、叔丁基甲基醚、二异丙基醚、1,2-二甲氧基乙烷等醚系溶剂;甲醇、乙醇、异丙醇等醇系溶剂;庚烷、己烷、环己烷、甲基环己烷等烃系溶剂;乙酸乙酯、乙酸异丙酯、乙酸丁酯等酯系溶剂;乙腈、丙腈等腈系溶剂;和甲基异丁基酮等酮系溶剂、水等。溶剂可以仅为1种也可以为2种以上的混合溶剂。作为溶剂清洗中使用的溶剂,优选水。
[术语定义]
本说明书中,使用“-”所表示的数值范围表示包含“-”前后所述的数值分别作为最小值和最大值的范围。
C1是指,碳数为1,其他数字也同样。
“取代基”是公知的取代基,可以从不参与本发明的制造方法中的反应的基团中选择。
“C1-5的烷氧基”是指基团RO-(此处,R为C1-5的烷基),可以举出:甲氧基、乙氧基、丙氧基、异丙氧基、丁氧基、异丁氧基、仲丁氧基、叔丁氧基、己氧基等。
“芳基”是指碳数6~18的芳香族烃的一价基团,可以举出:苯基、萘基、蒽基等。
“具有取代基的芳基”是指,前述芳基的氢原子的1个以上被取代基取代而成的基团。作为该取代基,可以举出:从不参与本发明的制造方法中的反应的基团中选择的、C1-8的烷基、C1-8的烷氧基、C3-8的环烷基、C3-8的环烷氧基、卤原子等。作为具有取代基的芳基的例子,可以举出:2-甲基苯基(邻甲苯基)、3-甲基苯基(间甲苯基)、4-甲基苯基(对甲苯基)、2,4-二叔丁基苯基、4-甲氧基苯基、4-氯苯基等。
“杂芳基”是指,包含选自由氮原子、氧原子和硫原子组成的组中的至少1个杂原子的、3-10元的1价芳香族杂环基,作为例子,可以举出:呋喃基、苯并呋喃基、二苯并呋喃基、噻吩基、苯并噻吩基、二苯并噻吩基、吡咯基、吲哚基、咔唑基、咪唑基、苯并咪唑基、吡唑基、噁唑基、苯并噁唑基、噻唑基、苯并噻唑基、呋吖基、吡啶基、吡喃基、吡嗪基、嘧啶基、哒嗪基、三嗪基、氮杂卓基(azepinyl)、喹啉基、吲哚啉基、噌啉基、嘌呤基、羰基、邻二氮杂菲基、咪唑并嘧啶基等。
“具有取代基的杂芳基”是指,前述杂芳基的氢原子的1个以上被取代基取代而成的基团。作为该取代基,可以举出:从不参与本发明的制造方法中的反应的基团中选择的、C1-8的烷基、C1-8的烷氧基、C3-8的环烷基、C3-8的环烷氧基、卤原子、芳基等。
作为“具有取代基的烷基”中的取代基,可以举出:从不参与本发明的制造方法中的反应的基团中选择的、选自由-XA、-ORB、-SRB、-N(RB)(Rc)、-Si(RB)(Rc)(RD)3、-COORB、-(C=O)RB、-CN和-CON(RB)(Rc)组成的组中的基团(其中,RB、Rc、RD分别独立地为氢原子或C1-12的烷基。XA为氟原子或氯原子)。
“卤原子”是指碘原子、溴原子、氯原子或氟原子。
与现有技术相比,本发明的有益效果为:
本发明提供了一种制备β-羟基-谐二氟磺酰酯类化合物的新方法,简单易于操作,反应底物适用范围广,区域选择性好,收率高,方法新颖、环境友好,在生物科学、制药工业和材料科学方面具有广阔的应用前景。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施例,进一步阐明本发明,但下述实施例仅为本发明的优选实施例,并非全部。基于实施方式中的实施例,本领域技术人员在没有做出创造性劳动的前提下所获得其它实施例,都属于本发明的保护范围。下述实施例中,若无特殊说明,所用的操作方法均为常规操作方法,所用设备均为常规设备,各个实施例所用设备材料均相同。
实施例1
将46.0mg(0.2mmol)如下所示的谐二氟烯烃、65.9mg(0.4mmol)苯亚磺酸钠底物以及溶剂DCE(2ml)加入带有搅拌子的反应管中,随后加入22.8mg(0.2mmol)添加剂三氟乙酸,加热至50℃,在氧气氛围下下搅拌12小时,旋干后用快速柱层析分离得到目标产物,78%产率。
1H NMR(400MHz,CDCl3)δ7.79–7.74(m,2H),7.59–7.55(m,3H),7.47(d,J=14.5Hz,6H),7.43(d,J=4.4Hz,1H),7.41–7.37(m,2H),2.26(s,1H),1.73(s,3H).
13C NMR(100MHz,CDCl3)δ141.28,140.44,137.30,136.82,134.49,129.22,128.99,128.00,127.71,127.17,126.84,126.81,123.39(t,J=285.0Hz),76.07(t,J=27.0Hz),23.67.
19F NMR(377MHz,CDCl3)δ-82.31,-82.42.
HR-DART-MS(m/z):calcd for C21H22NF2O4S[M+NH4]+:422.1232,found:422.1231.
实施例2
将36.8mg(0.2mmol)如下所示的谐二氟烯烃、65.9mg(0.4mmol)苯亚磺酸钠底物以及溶剂DCE(2ml)加入带有搅拌子的反应管中,随后加入22.8mg(0.2mmol)添加剂三氟乙酸,加热至50℃,在氧气氛围下下搅拌12小时,旋干后用快速柱层析分离得到目标产物,63%产率。
1H NMR(400MHz,CDCl3)δ7.79(d,J=8.0Hz,2H),7.67–7.61(m,1H),7.47(t,J=7.8Hz,2H),7.35(d,J=8.6Hz,2H),6.80(d,J=8.7Hz,2H),3.80(s,3H),2.38(s,1H),1.68(s,3H).
13C NMR(100MHz,CDCl3)δ159.40,139.95,136.84,134.51,129.25,129.19,128.03,123.38(t,J=285.0Hz),118.60,113.88,112.33,76.08(t,J=27.0Hz),55.35,23.81.
19F NMR(377MHz,CDCl3)δ-82.56,-82.69.
HR-GC-MS(m/z):calcd for C16H16F2O5S[M]:358.0687,found:358.0690.
实施例3
将36.8mg(0.2mmol)如下所示的谐二氟烯烃、65.9mg(0.4mmol)苯亚磺酸钠底物以及溶剂DCE(2ml)加入带有搅拌子的反应管中,随后加入22.8mg(0.2mmol)添加剂三氟乙酸,加热至50℃,在氧气氛围下下搅拌12小时,旋干后用快速柱层析分离得到目标产物,65%产率。
1H NMR(400MHz,CDCl3)δ7.80–7.76(m,2H),7.66–7.60(m,1H),7.46(t,J=7.8Hz,2H),7.23–7.16(m,1H),7.00(dd,J=7.4,1.9Hz,2H),6.85–6.81(m,1H),3.75(s,3H),1.68(s,3H).
13C NMR(100MHz,CDCl3)δ159.40,139.95,136.84,134.51,129.25,129.19,128.03,123.38(t,J=285.0Hz),118.60,113.88,112.33,76.08(t,J=27.0Hz),55.35,23.81.
19F NMR(377MHz,CDCl3)δ-82.12,-82.18.
HR-GC-MS(m/z):calcd for C16H16F2O5S[M]:358.0687,found:358.0687.
实施例4
将40.8mg(0.2mmol)如下所示的谐二氟烯烃、65.9mg(0.4mmol)苯亚磺酸钠底物以及溶剂DCE(2ml)加入带有搅拌子的反应管中,随后加入22.8mg(0.2mmol)添加剂三氟乙酸,加热至50℃,在氧气氛围下下搅拌12小时,旋干后用快速柱层析分离得到目标产物,70%产率。
1H NMR(400MHz,CDCl3)δ7.88(d,J=1.7Hz,1H),7.83–7.75(m,2H),7.72(d,J=8.7Hz,1H),7.64(d,J=7.8Hz,2H),7.55–7.48(m,3H),7.44(t,J=7.4Hz,1H),7.21(t,J=7.8Hz,2H),2.61(s,1H),1.80(s,3H).
13C NMR(100MHz,CDCl3)δ136.57,135.66,134.33,133.05,132.77,128.99,128.86,128.55,127.85,127.74,127.51,126.72,126.37,125.91,123.83(t,J=285.0Hz),76.32(t,J=27.0Hz),23.79.
19F NMR(377MHz,CDCl3)δ-82.09,-82.21.
HR-GC-MS(m/z):calcd for C19H16F2O4S[M]:378.0737,found:378.0739.
实施例5
将46.0mg(0.2mmol)如下所示的谐二氟烯烃、71.2mg(0.4mmol)对甲基苯亚磺酸钠底物以及溶剂DCE(2ml)加入带有搅拌子的反应管中,随后加入22.8mg(0.2mmol)添加剂三氟乙酸,加热至50℃,在氧气氛围下下搅拌12小时,旋干后用快速柱层析分离得到目标产物,72%产率。
1H NMR(400MHz,CDCl3)δ7.66(d,J=8.1Hz,2H),7.59–7.55(m,2H),7.49(s,4H),7.45(t,J=7.7Hz,2H),7.39–7.34(m,1H),7.20(d,J=8.1Hz,2H),2.56(s,1H),2.34(s,3H),1.73(s,3H).
13C NMR(100MHz,CDCl3)δ145.82,141.21,140.44,137.34,133.80,129.84,128.98,128.11,127.71,127.15,126.84,126.74,123.32(t,J=285.0Hz),76.10(t,J=27.0Hz),23.73,21.76.
19F NMR(377MHz,CDCl3)δ-82.47,-82.57.
HR-GC-MS(m/z):calcd for C22H20F2O4S[M]:418.1050,found:418.1055.
实施例6
将46.0mg(0.2mmol)如下所示的谐二氟烯烃、96.0mg(0.4mmol)对苯基苯亚磺酸钠底物以及溶剂DCE(2ml)加入带有搅拌子的反应管中,随后加入22.8mg(0.2mmol)添加剂三氟乙酸,加热至50℃,在氧气氛围下下搅拌12小时,旋干后用快速柱层析分离得到目标产物,67%产率。
1H NMR(400MHz,CDCl3)δ7.77(d,J=8.3Hz,2H),7.56(d,J=8.5Hz,2H),7.52–7.47(m,6H),7.45–7.35(m,8H),2.56(s,1H),1.76(s,3H).
13C NMR(100MHz,CDCl3)δ147.33,141.25,140.30,138.75,137.31,135.09,129.24,129.01,128.97,128.53,127.72,127.64,127.44,127.16,126.84,126.72,123.30(t,J=285.0Hz),76.12(t,J=27.0Hz),23.63.
19F NMR(377MHz,CDCl3)δ-82.48,-82.53.
HR-GC-MS(m/z):calcd for C27H22F2O4S[M]:480.1207,found:480.1212.
实施例7
将46.0mg(0.2mmol)如下所示的谐二氟烯烃、72.8mg(0.4mmol)对氟苯亚磺酸钠底物以及溶剂DCE(2ml)加入带有搅拌子的反应管中,随后加入22.8mg(0.2mmol)添加剂三氟乙酸,加热至50℃,在氧气氛围下下搅拌12小时,旋干后用快速柱层析分离得到目标产物,58%产率。
1H NMR(400MHz,CDCl3)δ7.80–7.75(m,2H),7.59–7.56(m,2H),7.53–7.44(m,6H),7.40–7.35(m,1H),7.08(t,J=8.5Hz,2H),2.49(s,1H),1.75(s,3H).
13C NMR(100MHz,CDCl3)δ166.12(d,J=258.0Hz),141.44,140.31,137.16,132.74(d,J=3.3Hz),131.05(d,J=9.8Hz),129.05,128.99,127.81,127.17,126.83,123.36(t,J=285.0Hz),116.64(d,J=23.0Hz),76.06(t,J=27.0Hz),23.67.
19F NMR(377MHz,CDCl3)δ-82.51,-82.62,-101.38
HR-GC-MS(m/z):calcd for C21H17F3O4S[M]:422.0800,found:422.0787.
实施例8
将46.0mg(0.2mmol)如下所示的谐二氟烯烃、79.2mg(0.4mmol)对氯苯亚磺酸钠底物以及溶剂DCE(2ml)加入带有搅拌子的反应管中,随后加入22.8mg(0.2mmol)添加剂三氟乙酸,加热至50℃,在氧气氛围下下搅拌12小时,旋干后用快速柱层析分离得到目标产物,64%产率。
1H NMR(400MHz,CDCl3)δ7.67(d,J=8.4Hz,2H),7.60–7.57(m,2H),7.51–7.44(m,6H),7.40–7.35(m,3H),2.47(s,1H),1.75(s,3H).
13C NMR(100MHz,CDCl3)δ141.48,141.32,140.29,137.12,135.21,129.57,129.45,129.05,127.82,127.21,126.83,126.52,123.39(t,J=285.0Hz),76.07(t,J=27.0Hz),23.66.
19F NMR(377MHz,CDCl3)δ-82.38,-82.45.
HR-GC-MS(m/z):calcd for C21H17ClF2O4S[M]:438.0504,found:438.0503.
实施例9
将46.0mg(0.2mmol)如下所示的谐二氟烯烃、96.8mg(0.4mmol)对溴苯亚磺酸钠底物以及溶剂DCE(2ml)加入带有搅拌子的反应管中,随后加入22.8mg(0.2mmol)添加剂三氟乙酸,加热至50℃,在氧气氛围下下搅拌12小时,旋干后用快速柱层析分离得到目标产物,61%产率。
1H NMR(400MHz,CDCl3)δ7.61–7.56(m,4H),7.55–7.44(m,8H),7.38(t,J=7.4Hz,1H),1.75(s,3H).
13C NMR(100MHz,CDCl3)δ141.44,140.26,137.11,135.72,132.55,129.92,129.42,129.04,127.81,127.22,126.83,126.80,123.38(t,J=285.0Hz),76.03(t,J=27.0Hz),23.61.
19F NMR(377MHz,CDCl3)δ-82.38,-82.45.
HR-GC-MS(m/z):calcd for C21H17BrF2O4S[M]:481.9999,found:482.0003.
实施例10
将46.0mg(0.2mmol)如下所示的谐二氟烯烃、83.2mg(0.4mmol)对氰基苯亚磺酸钠底物以及溶剂DCE(2ml)加入带有搅拌子的反应管中,随后加入22.8mg(0.2mmol)添加剂三氟乙酸,加热至50℃,在氧气氛围下下搅拌12小时,旋干后用快速柱层析分离得到目标产物,56%产率。
1H NMR(400MHz,CDCl3)δ7.80(d,J=8.2Hz,2H),7.65(d,J=8.3Hz,2H),7.59(d,J=7.4Hz,2H),7.54–7.46(m,6H),7.40(t,J=7.4Hz,1H),2.56(s,1H),1.77(s,3H).
13C NMR(100MHz,CDCl3)δ141.55,140.78,139.99,136.94,132.89,129.20,128.54,128.01,127.08,126.90,126.78,123.54(t,J=285.0Hz),118.03,116.81,75.96(t,J=27.0Hz),23.48.
19F NMR(377MHz,CDCl3)δ-82.03,-82.20.
HR-GC-MS(m/z):calcd for C22H17F2NO4S[M]:429.0846,found:429.0850.
上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (18)
2.根据权利要求1所述的方法,其特征在于,R为芳基或C1-5的烷氧基;Ar为苯基或具有取代基的苯基。
3.根据权利要求2所述的方法,其特征在于,R为苯基或甲氧基;Ar为苯基、甲苯基、二联苯基、氟代苯基、氯代苯基、溴代苯基或碘代苯基。
4.根据权利要求3所述的方法,其特征在于,R为苯基;Ar为苯基。
5.根据权利要求1所述的方法,其特征在于,所述添加剂为三氟乙酸、三甲基乙酸、醋酸中的至少一种。
6.根据权利要求5所述的方法,其特征在于,所述添加剂为三氟乙酸。
7.根据权利要求1所述的方法,其特征在于,所述溶剂选自二氯乙烷、乙腈、二氯甲烷、乙酸乙酯中的至少一种。
8.根据权利要求7所述的方法,其特征在于,所述溶剂为二氯乙烷。
9.根据权利要求1所述的方法,其特征在于,所述反应的温度为50-100℃。
10.根据权利要求9所述的方法,其特征在于,所述反应的温度为50℃。
11.根据权利要求1所述的方法,其特征在于,所述反应的时间为10-15h。
12.根据权利要求11所述的方法,其特征在于,所述反应的时间为12h。
13.根据权利要求1所述的方法,其特征在于,所述化合物I和化合物II的摩尔比为1:1.5-4。
14.根据权利要求13所述的方法,其特征在于,所述化合物I和化合物II的摩尔比为1:2。
15.根据权利要求1所述的方法,其特征在于,所述化合物I和添加剂的摩尔比为1:1-4。
16.根据权利要求15所述的方法,其特征在于,所述化合物I和添加剂的摩尔比为1:1。
17.根据权利要求1所述的方法,其特征在于,所述化合物I和溶剂的摩尔体积比为0.1-0.5:1(mmol:mL)。
18.根据权利要求17所述的方法,其特征在于,所述化合物I和溶剂的摩尔体积比为0.2:1(mmol:mL)。
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