WO2008007670A1 - Composé de fluorobore, agent d'aminométhylation pour noyau aromatique comprenant ledit composé et procédé de production d'un composé comprenant un noyau aromatique aminométhylé au moyen dudit agent d'aminométhylation - Google Patents
Composé de fluorobore, agent d'aminométhylation pour noyau aromatique comprenant ledit composé et procédé de production d'un composé comprenant un noyau aromatique aminométhylé au moyen dudit agent d'aminométhylation Download PDFInfo
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- WO2008007670A1 WO2008007670A1 PCT/JP2007/063736 JP2007063736W WO2008007670A1 WO 2008007670 A1 WO2008007670 A1 WO 2008007670A1 JP 2007063736 W JP2007063736 W JP 2007063736W WO 2008007670 A1 WO2008007670 A1 WO 2008007670A1
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- unsubstituted
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 214
- -1 Fluoroboron compound Chemical class 0.000 title claims abstract description 170
- 125000003118 aryl group Chemical group 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 47
- 239000012453 solvate Substances 0.000 claims abstract description 39
- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 22
- 238000005902 aminomethylation reaction Methods 0.000 claims abstract description 20
- 239000003054 catalyst Substances 0.000 claims abstract description 19
- 239000002904 solvent Substances 0.000 claims description 74
- 125000006239 protecting group Chemical group 0.000 claims description 70
- 125000003277 amino group Chemical group 0.000 claims description 45
- 239000000126 substance Substances 0.000 claims description 35
- 125000004202 aminomethyl group Chemical group [H]N([H])C([H])([H])* 0.000 claims description 25
- 125000000217 alkyl group Chemical group 0.000 claims description 23
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 22
- 229910052705 radium Inorganic materials 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- 229910052701 rubidium Inorganic materials 0.000 claims description 18
- 239000000539 dimer Substances 0.000 claims description 17
- 125000000623 heterocyclic group Chemical group 0.000 claims description 15
- 229910052783 alkali metal Inorganic materials 0.000 claims description 14
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 14
- 125000001072 heteroaryl group Chemical group 0.000 claims description 13
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 12
- 229910052700 potassium Inorganic materials 0.000 claims description 12
- 239000011591 potassium Substances 0.000 claims description 12
- 150000001408 amides Chemical group 0.000 claims description 11
- 125000005842 heteroatom Chemical group 0.000 claims description 11
- PBIMIGNDTBRRPI-UHFFFAOYSA-N trifluoro borate Chemical compound FOB(OF)OF PBIMIGNDTBRRPI-UHFFFAOYSA-N 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 10
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 7
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 6
- 125000000612 phthaloyl group Chemical group C(C=1C(C(=O)*)=CC=CC1)(=O)* 0.000 claims description 6
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 5
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 claims description 4
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 claims description 4
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 4
- 229910001414 potassium ion Inorganic materials 0.000 claims description 4
- 229910001415 sodium ion Inorganic materials 0.000 claims description 4
- 125000005346 substituted cycloalkyl group Chemical group 0.000 claims description 3
- 125000004744 butyloxycarbonyl group Chemical group 0.000 claims description 2
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims 2
- 125000005462 imide group Chemical group 0.000 claims 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical group [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims 1
- 150000002941 palladium compounds Chemical class 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 125
- 239000011541 reaction mixture Substances 0.000 description 79
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 78
- 239000000203 mixture Substances 0.000 description 48
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 39
- 239000012044 organic layer Substances 0.000 description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 27
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 26
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 24
- 239000003153 chemical reaction reagent Substances 0.000 description 24
- 230000015572 biosynthetic process Effects 0.000 description 20
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 18
- 238000003786 synthesis reaction Methods 0.000 description 18
- 239000002585 base Substances 0.000 description 16
- 238000005160 1H NMR spectroscopy Methods 0.000 description 15
- 238000001228 spectrum Methods 0.000 description 15
- 239000007858 starting material Substances 0.000 description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 14
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical group C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 14
- 239000000706 filtrate Substances 0.000 description 14
- 239000011734 sodium Substances 0.000 description 14
- 239000000243 solution Substances 0.000 description 13
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 12
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 12
- 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 11
- 238000010898 silica gel chromatography Methods 0.000 description 11
- 229910052708 sodium Inorganic materials 0.000 description 11
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 238000001914 filtration Methods 0.000 description 9
- 230000035484 reaction time Effects 0.000 description 9
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 8
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 8
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 8
- 125000004432 carbon atom Chemical group C* 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000012046 mixed solvent Substances 0.000 description 8
- 125000002524 organometallic group Chemical group 0.000 description 8
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 8
- 238000010992 reflux Methods 0.000 description 8
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 7
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 7
- 229910000024 caesium carbonate Inorganic materials 0.000 description 7
- OAKJQQAXSVQMHS-UHFFFAOYSA-N hydrazine Substances NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 7
- 238000000746 purification Methods 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 6
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 238000010511 deprotection reaction Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
- IVDFJHOHABJVEH-UHFFFAOYSA-N pinacol Chemical compound CC(C)(O)C(C)(C)O IVDFJHOHABJVEH-UHFFFAOYSA-N 0.000 description 6
- 239000002243 precursor Substances 0.000 description 6
- 238000006722 reduction reaction Methods 0.000 description 6
- 150000003839 salts Chemical group 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- VNFWTIYUKDMAOP-UHFFFAOYSA-N sphos Chemical group COC1=CC=CC(OC)=C1C1=CC=CC=C1P(C1CCCCC1)C1CCCCC1 VNFWTIYUKDMAOP-UHFFFAOYSA-N 0.000 description 6
- 229910000404 tripotassium phosphate Inorganic materials 0.000 description 6
- 235000019798 tripotassium phosphate Nutrition 0.000 description 6
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 5
- 125000004429 atom Chemical group 0.000 description 5
- 238000004587 chromatography analysis Methods 0.000 description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 5
- 125000004346 phenylpentyl group Chemical group C1(=CC=CC=C1)CCCCC* 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 150000002009 diols Chemical class 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 4
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 4
- 238000001953 recrystallisation Methods 0.000 description 4
- 229910000104 sodium hydride Inorganic materials 0.000 description 4
- 239000012312 sodium hydride Substances 0.000 description 4
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 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 description 3
- KBGMAXNDJAGTDD-UHFFFAOYSA-N 2-(bromomethyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane Chemical compound CC1(C)OB(CBr)OC1(C)C KBGMAXNDJAGTDD-UHFFFAOYSA-N 0.000 description 3
- FPWNLURCHDRMHC-UHFFFAOYSA-N 4-chlorobiphenyl Chemical group C1=CC(Cl)=CC=C1C1=CC=CC=C1 FPWNLURCHDRMHC-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 3
- 125000006242 amine protecting group Chemical group 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- PJGJQVRXEUVAFT-UHFFFAOYSA-N chloroiodomethane Chemical compound ClCI PJGJQVRXEUVAFT-UHFFFAOYSA-N 0.000 description 3
- FJBFPHVGVWTDIP-UHFFFAOYSA-N dibromomethane Chemical compound BrCBr FJBFPHVGVWTDIP-UHFFFAOYSA-N 0.000 description 3
- 125000001891 dimethoxy group Chemical group [H]C([H])([H])O* 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 125000005843 halogen group Chemical group 0.000 description 3
- 125000004970 halomethyl group Chemical group 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 229940098779 methanesulfonic acid Drugs 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 229910052763 palladium Inorganic materials 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- 230000002194 synthesizing effect Effects 0.000 description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- 150000005621 tetraalkylammonium salts Chemical class 0.000 description 3
- 238000004809 thin layer chromatography Methods 0.000 description 3
- NHDIQVFFNDKAQU-UHFFFAOYSA-N tripropan-2-yl borate Chemical compound CC(C)OB(OC(C)C)OC(C)C NHDIQVFFNDKAQU-UHFFFAOYSA-N 0.000 description 3
- CYPYTURSJDMMMP-WVCUSYJESA-N (1e,4e)-1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].[Pd].C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 CYPYTURSJDMMMP-WVCUSYJESA-N 0.000 description 2
- LVEYOSJUKRVCCF-UHFFFAOYSA-N 1,3-bis(diphenylphosphino)propane Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)CCCP(C=1C=CC=CC=1)C1=CC=CC=C1 LVEYOSJUKRVCCF-UHFFFAOYSA-N 0.000 description 2
- USYQKCQEVBFJRP-UHFFFAOYSA-N 1-bromo-3-phenylbenzene Chemical group BrC1=CC=CC(C=2C=CC=CC=2)=C1 USYQKCQEVBFJRP-UHFFFAOYSA-N 0.000 description 2
- UIMPAOAAAYDUKQ-UHFFFAOYSA-N 1-methoxy-4-(4-methoxyphenyl)benzene Chemical group C1=CC(OC)=CC=C1C1=CC=C(OC)C=C1 UIMPAOAAAYDUKQ-UHFFFAOYSA-N 0.000 description 2
- LAXBNTIAOJWAOP-UHFFFAOYSA-N 2-chlorobiphenyl Chemical group ClC1=CC=CC=C1C1=CC=CC=C1 LAXBNTIAOJWAOP-UHFFFAOYSA-N 0.000 description 2
- 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 2
- ASZZHBXPMOVHCU-UHFFFAOYSA-N 3,9-diazaspiro[5.5]undecane-2,4-dione Chemical compound C1C(=O)NC(=O)CC11CCNCC1 ASZZHBXPMOVHCU-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- JVAQPPNXJLDIDJ-UHFFFAOYSA-N COC1=CC=CCC1(C2=CC=CC=C2)OC Chemical group COC1=CC=CCC1(C2=CC=CC=C2)OC JVAQPPNXJLDIDJ-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- QSSGPMRGHUJOTP-UHFFFAOYSA-N N1CCCC1.[K] Chemical compound N1CCCC1.[K] QSSGPMRGHUJOTP-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical group N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910001413 alkali metal ion Inorganic materials 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
- 239000004305 biphenyl Substances 0.000 description 2
- XJHCXCQVJFPJIK-UHFFFAOYSA-M caesium fluoride Chemical compound [F-].[Cs+] XJHCXCQVJFPJIK-UHFFFAOYSA-M 0.000 description 2
- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical compound O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 description 2
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004210 ether based solvent Substances 0.000 description 2
- 150000004673 fluoride salts Chemical class 0.000 description 2
- 150000004677 hydrates Chemical class 0.000 description 2
- 150000003949 imides Chemical class 0.000 description 2
- 229910001867 inorganic solvent Inorganic materials 0.000 description 2
- 239000003049 inorganic solvent Substances 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 125000000842 isoxazolyl group Chemical group 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 125000001624 naphthyl group Chemical group 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- LXNAVEXFUKBNMK-UHFFFAOYSA-N palladium(II) acetate Substances [Pd].CC(O)=O.CC(O)=O LXNAVEXFUKBNMK-UHFFFAOYSA-N 0.000 description 2
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 2
- 125000004344 phenylpropyl group Chemical group 0.000 description 2
- IUBQJLUDMLPAGT-UHFFFAOYSA-N potassium bis(trimethylsilyl)amide Chemical compound C[Si](C)(C)N([K])[Si](C)(C)C IUBQJLUDMLPAGT-UHFFFAOYSA-N 0.000 description 2
- 239000000047 product Substances 0.000 description 2
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- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical group C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Chemical group COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- BWESROVQGZSBRX-UHFFFAOYSA-N pyrido[3,2-d]pyrimidine Chemical group C1=NC=NC2=CC=CN=C21 BWESROVQGZSBRX-UHFFFAOYSA-N 0.000 description 1
- 125000000719 pyrrolidinyl group Chemical group 0.000 description 1
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 description 1
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 1
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 125000000565 sulfonamide group Chemical group 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 125000004434 sulfur atom Chemical group 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
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- 125000005497 tetraalkylphosphonium group Chemical group 0.000 description 1
- 125000003718 tetrahydrofuranyl group Chemical group 0.000 description 1
- 125000003698 tetramethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000003831 tetrazolyl group Chemical group 0.000 description 1
- ONCNIMLKGZSAJT-UHFFFAOYSA-N thieno[3,2-b]furan Chemical group S1C=CC2=C1C=CO2 ONCNIMLKGZSAJT-UHFFFAOYSA-N 0.000 description 1
- DBDCNCCRPKTRSD-UHFFFAOYSA-N thieno[3,2-b]pyridine Chemical group C1=CC=C2SC=CC2=N1 DBDCNCCRPKTRSD-UHFFFAOYSA-N 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- KJAMZCVTJDTESW-UHFFFAOYSA-N tiracizine Chemical compound C1CC2=CC=CC=C2N(C(=O)CN(C)C)C2=CC(NC(=O)OCC)=CC=C21 KJAMZCVTJDTESW-UHFFFAOYSA-N 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- WLPUWLXVBWGYMZ-UHFFFAOYSA-N tricyclohexylphosphine Chemical compound C1CCCCC1P(C1CCCCC1)C1CCCCC1 WLPUWLXVBWGYMZ-UHFFFAOYSA-N 0.000 description 1
- 125000004044 trifluoroacetyl group Chemical group FC(C(=O)*)(F)F 0.000 description 1
- 125000005951 trifluoromethanesulfonyloxy group Chemical group 0.000 description 1
- COIOYMYWGDAQPM-UHFFFAOYSA-N tris(2-methylphenyl)phosphane Chemical compound CC1=CC=CC=C1P(C=1C(=CC=CC=1)C)C1=CC=CC=C1C COIOYMYWGDAQPM-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/02—Boron compounds
Definitions
- Fluoroboron compound, aminomethylating agent for aromatic ring comprising the same, and method for producing compound having aminomethyl aromatic ring using said aminomethylating agent
- the present invention relates to a fluoroboron compound useful as an aminomethylating agent for directly introducing a primary, secondary or tertiary aminomethyl group into an aromatic ring, and an aminomethylation reaction of an aromatic ring using the same About.
- Patent Document 1 relating to a novel antifungal agent discloses a compound containing an aminomethyl aromatic ring as part of its chemical structure (hereinafter also referred to as an aminomethyl aromatic compound).
- compounds containing an aminomethyl aromatic ring especially compounds having a primary aminoamino aromatic ring are often used as precursors of compounds containing a secondary or tertiary aminoamino aromatic ring.
- reagents are commercially available as reagents!
- Non-Patent Document 1 As an aminomethylation reaction using a metal catalyst, a sulfonylaminomethylation reaction to enol triflate using an organic tin compound disclosed in Non-Patent Document 1 is reported. It has been tell.
- Non-Patent Document 2 describes an aminoaminofluoroboron compound
- Non-Patent Document 3 discloses an aminomethylfluoro compound having a structure similar to that of an aminomethylfluoroboron compound. Although it has been described !, aminomethylation reactions of aromatic rings using these compounds have been known so far!
- Patent Document 1 International Publication WO2005 / 033079 Pamphlet
- Non-Patent Document 1 Org. Lett., 2000, 2, 1081
- Non-Patent Document 2 Org. Lett., 2006, 8, 2031
- Non-Patent Document 3 J. Org. Chem., 1968, 33, 3055
- Non-Patent Document 1 The organotin compound disclosed in Non-Patent Document 1 is lacking in versatility because its chemical structure is limited to cyclic sulfonamide. In this case, toxicity of organotin compounds may also occur, making them suitable for industrial use.
- Non-Patent Document 2 discloses several aminomethylfluoroboron compounds.
- Non-Patent Document 3 discloses a primary aminomethyl poronic acid protected with an imide, but this compound is applied to an aminomethylation reaction of an aromatic ring! /, There is no description or suggestion.
- an object of the present invention is to solve the above-described problems.
- an object of the present invention is to provide a compound that can be used as a highly versatile reagent that enables direct introduction of a primary to tertiary aminoamino group into an aromatic ring, and aminomethylation of an aromatic ring comprising the compound. It is another object of the present invention to provide an agent and a method for producing a compound having an aminomethyl aromatic ring using the aminomethylating agent.
- the present inventors have reacted aminomethylation into an aromatic ring by reacting a fluoroboron compound or a dimer thereof or a solvate thereof with a compound having an aromatic ring in the presence of a metal catalyst. It was discovered that a reaction can be performed and the present invention has been completed.
- fluoroboron compound according to the present invention include a compound represented by the following formula (I), a dimer thereof, or a solvate thereof.
- Ra and Rb are each independently a hydrogen atom, substituted or unsubstituted C
- 1-6 alkyl group substituted or unsubstituted cycloalkyl group, substituted or unsubstituted heterocyclic group, substituted or unsubstituted heteroaryl group, substituted or unsubstituted aryl group, substituted or unsubstituted aralkyl
- M is an alkali metal cation, [N CR 1 ) (R 2 ) (R 3 ) (R 4 )] + , or [ ⁇ ( ⁇ ⁇ ) (R 2 ) (R 3 ) (R 4 )] +
- aminomethylating agent used in the aminomethylation reaction of the aromatic ring described below.
- Ra and Rb are each independently a hydrogen atom, C
- Ra and Rb are each independently preferably a hydrogen atom or a protecting group for an amino group! /.
- the above-mentioned protecting group for the amino group is more preferably a force rubamate-based protecting group, preferably a cyclic imide-based protecting group, an amide-based protecting group, or a force-rebamate-based protecting group. .
- the protecting group is preferably a phthaloyl group, a formyl group or a t-butyloxycarbonyl group.
- a preferred embodiment of the dimer of the compound represented by the above formula (I) is a compound represented by the following formula (I) or a solvate thereof.
- Ra is a hydrogen atom, a substituted or unsubstituted C alkyl group, a substituted or unsubstituted
- M is an alkali metal cation, [N CR 1 ) (R 2 ) (R 3 ) (R 4 )] + , or [ ⁇ ( ⁇ ⁇ ) (R 2 ) (R 3 ) (R 4 )] +
- Ra is preferably a protecting group for an amino group.
- the protecting group for the amino group is more preferably a amide protecting group or a force rubamate protecting group, which is preferably a force rubamate protecting group.
- the protecting group for the amino group is preferably a t-butyloxycarbonyl group.
- the compound represented by the above formula (I) is preferably a compound represented by the following formula (III) or a solvate thereof.
- M is an alkali metal cation, [N CR 1 ) (R 2 ) (R 3 ) (R 4 )] + or [ ⁇ ( ⁇ ⁇ ) (R 2 ) (R 3 ) (R 4 )] +
- X represents a hydrogen atom, a C alkyl group or a nitro group.
- X is preferably a hydrogen atom.
- M is an alkali metal cation. ! /
- the M is a potassium ion or a sodium ion! /.
- the present invention further relates to an aromatic ring primary, secondary or tertiary aminomethylating agent selected from the group consisting of the above-described fluoroboron compounds or dimers thereof, or solvates thereof. .
- aminomethylation examples include primary aminoaminomethylation.
- Examples of the aminomethylating agent of the present invention include compounds represented by the above formula (I).
- Ra and / or Rb are preferably a hydrogen atom or a protecting group for an amino group.
- the amino group-protecting group of the aminomethylating agent is preferably a force rubamate-based protecting group, preferably a cyclic imide-based protecting group, an amide-based protecting group, or a force-based rubamate-based protecting group. preferable.
- the amino-protecting group of the aminomethylating agent is preferably a phthaloyl group, a formyl group or a tert-butyloxycarbonyl group! /.
- aminomethylating agent of the present invention examples include the compounds represented by the above formula ( ⁇ ).
- Ra of the aminomethylating agent represented by the above formula ( ⁇ ) is preferably a protecting group for an amino group.
- the amino group protecting group of the aminomethylating agent represented by the above formula ( ⁇ ) is preferably an amide protecting group or a force rubamate protecting group which is preferably a force rubamate protecting group. Is more preferable.
- the amino protecting group of the aminomethylating agent represented by the above formula ( ⁇ ) is a t-ptyoxycarbonyl group! /.
- aminomethylating agent of the present invention examples include the compounds represented by the above formula (III).
- X in the aminomethylating agent represented by the above formula (III) is preferably a hydrogen atom.
- M in the aminomethylating agent represented by the above formula (III) is preferably an alkali metal cation.
- M in the aminomethylating agent represented by the above formula (III) is preferably a potassium ion or sodium ion.
- the present invention provides a method for producing a compound having a primary, secondary or tertiary aminoamino aromatic ring, and this production method comprises a cut between the aminomethylating agent and the aminomethylating agent. It is characterized by reacting a compound having an aromatic ring capable of causing a pulling reaction in the presence of a metal catalyst effective for the coupling reaction.
- a primary, secondary or tertiary aminomethyl group can be directly introduced into an aromatic ring. Since the aminomethylation method of the aromatic ring of the present invention does not use a reduction reaction, a substrate unstable to the reduction reaction can also be used. Further, it is not necessary to use a compound having an aromatic ring having a halomethyl group with low chemical stability as a precursor.
- aromatic halides such as black-and-white benzene that are commercially available at a low price and abundantly can be used as a substrate.
- the fluoroboron compound which is useful in the present invention is useful as a reaction reagent capable of introducing an aminomethyl group, particularly a primary aminomethyl group, into an aromatic ring.
- the present invention is a fluoroboron compound or a solvate thereof in which an aminomethyl group can be directly introduced into an aromatic ring.
- the “aromatic ring” means a cyclic group having aromaticity, and it may be a monocyclic ring or a condensed ring, an aromatic hydrocarbon cyclic group (aryl group) or an aromatic heterocyclic group. It may be a (heteroaryl group) or may further have a substituent.
- aromatic ring examples include a benzene ring, naphthalene ring, furan ring, thiophene ring, pyrrole ring, imidazole ring, triazole ring, tetrazole ring, thiazole ring, pyrazole ring, oxazole ring, isoxazole ring, isothiazole ring, and furazane ring.
- the “aminoamino group” includes a primary aminoamino group, a secondary aminoaminomethyl group, and a tertiary aminoaminomethyl group, and a primary aminomethyl group in which the amino group is protected with a protecting group.
- secondary aminomethyl groups include a primary amino group, a secondary amino group or a methyl group substituted with a tertiary amino group, respectively. The aminomethyl group may be protected with a protecting group described later.
- the “protecting group for an amino group” refers to a force S that can include a known protecting group for an amino group, for example, a formyl group, a acetyl group, a benzoyl group, a nicotinyl group, a picolinyl group, An amide protecting group such as a trichloroacetyl group or a trifluoroacetyl group; a cyclic imide protecting group such as a phthaloyl group or a 2,3 diphenylmaleoyl group; a sulfonamide protecting group such as a p tolylenesulfonyl group; or t Butyloxycarbonyl group, methyloxycarbonyl group, ethyloxycarbonyl group, aryloxycarbonyl group, benzyloxycarbonyl group, p-methoxybenzylcarbonyl group, p-nitrobenzyl A strong rubamate-based protecting group such
- aminomethylation of an aromatic ring means that an amino group of a primary aminoamino group, a secondary aminoaminomethyl group, a tertiary aminoamino group, or a primary aminoamino group is protected with a protective group. And a group selected from the group consisting of a group in which the amino group of the secondary aminoamino group is protected with a protecting group.
- aminoamino aromatic ring refers to the aminomethylated aromatic ring.
- alkali metal refers to a metal atom belonging to Group 1 of the periodic table.
- power that can include lithium, sodium, potassium, and the like, preferably sodium or potassium.
- C alkyl group means an aliphatic hydrocarbon having from 6 to 6 carbon atoms.
- the C alkyl group for example, methyl
- the “cycloalkyl group” means a saturated hydrocarbon group having a cyclic chemical structure composed of 3 or more carbon atoms.
- the carbon atom constituting the cycloalkyl group is not particularly limited as long as it is 3 or more, but preferably has 3 to 12 carbon atoms, more preferably 3 to 6 carbon atoms.
- Specific examples of the cycloalkyl group include a cyclopropyl group, a cyclobutylene group, a cyclopentyl group, a cyclohexyl group, and a decahydronaphthalene group.
- the “aralkyl group” means a group in which an aryl group is bonded to an alkyl group, and in particular, the “C aralkyl group” means a C aryl group in the “C alkyl group”.
- heterocyclic group means a non-aromatic hydrocarbon-based cyclic group containing one or more heteroatoms, and is distinguished from a heteroaryl group in this specification.
- typical heteroatoms include, for example, an oxygen atom, a nitrogen atom, and a sulfur atom.
- the heterocyclic group may contain two or more heteroatoms in one ring.
- the heterocycle is preferably composed of 3 to 10 atoms, more preferably 5 to 7 atoms in total, including hetero atoms and carbon atoms constituting the ring.
- a heterocycle can consist of a single ring or two or more rings.
- heterocyclic group examples include a tetrahydrofuranyl group, a tetrahydrobiranyl group, a piperidinyl group, a pyrrolidinyl group, and a morpholinyl group.
- the “heteroaryl group” means a heteroaromatic ring group containing one or more heteroatoms, and examples of the heteroatoms include oxygen, nitrogen and sulfur.
- the heteroaryl group preferably comprises 5 to 14 atoms, more preferably 5 or 6 atoms, including heteroatoms.
- Specific examples of the heteroaryl group include a furyl group, a phenyl group, a pyrrolinole group, an imidazolinole group, a pyrrolidinole group, an isoxazolyl group, a pyrazol group, and a pyrimidinyl group.
- the “aryl group” is synonymous with the above “aromatic ring” group.
- substituted or unsubstituted means optionally having a substituent, and examples of the substituent include a halogen atom such as a fluorine atom, a chlorine atom, Bromine and iodine atoms; amino groups; mono- or dialkylamino groups such as dimethylamino groups, jetylamino groups and dibutylamino groups; nitro groups; cyano groups; alkyl groups such as C alkyl groups as described above; C alkoxy groups such as, for example Methoxy group, Etoxy
- the "solvate” refers to a solvate formed from a fluoroboron compound and a solvent that are effective in the present invention.
- the type of solvent constituting the solvate, the molar ratio of the solvent to the compound in the solvate, etc. are not particularly limited.
- Preferred solvates include hydrates, alcohol solvates (for example, methanol solvates, ethanolol solvates, propanol solvates, isopropanol solvates, etc.), ester solvates (ethyl acetate solvates, etc.), ether solvates (methyl).
- a pharmacologically acceptable solvent is preferable.
- metal catalyst refers to the present invention, and promotes an aminomethylation reaction of an aromatic ring by a fluoroboron compound that is an aminomethylating agent, that is, a coupling reaction. Therefore, any metal or metal-containing compound that is effective for the purpose can be used, and any compound can be used as long as it can promote the reaction, and is not particularly limited.
- the fluoroboron compound represented by Formula I can be produced, for example, using the method shown in Reaction Formula 1 below. However, the method for producing the compound of the present invention is limited to this method. What is not limited to using the method shown in Reaction Formula 1 below. However, the method for producing the compound of the present invention is limited to this method. What is not limited to using the method shown in Reaction Formula 1 below. However, the method for producing the compound of the present invention is limited to this method. What is not limited to this method.
- Ra, Rb and M have the same meanings as defined above for each.
- Y and Z each independently represent a halogen atom.
- Examples of the cyclic boronic acid ester group that is a part of the above formula (2a) and represented by the following formula X include the cyclic boronic acid ester groups represented by the following formulas X— ;! to X-6 It is not limited to.
- the method of synthesizing the compound of the formula (I) shown in the above reaction scheme 1 includes the step A described below. It consists of two stages, 1 and process A-2.
- step A-1 for example, an anionized compound formed by the reaction of an organometallic reagent selected from n-butyllithium and the compound (la) is reacted with a boronic acid ester, and then an acid is added.
- the reaction mixture is neutralized and further reacted with a diol such as pinacol to produce the compound (2a).
- this step A-1 it can be carried out with reference to the reaction conditions, post-reaction operations, purification methods, etc. described in Production Example 1 and Production Example 2 described later. Determine the optimal reaction conditions
- Step A-1 is carried out by adding an organometallic reagent to the mixture containing the compound (la) and the boronic acid ester to form an anion from the compound (la) and reacting with the boronic acid ester. To do to do.
- Step A-1 can be performed under an air stream or atmosphere of an inert gas such as nitrogen or argon.
- the compound (la) for example, chloroiodomethane, dibromomethane, bromoiodomethane and the like can be used.
- Preferred compounds (la) are chloroiodomethane and dibromomethane.
- the solvent used in Step A-1 is not particularly limited as long as it can dissolve the starting materials to some extent and does not inhibit the reaction performed in Step A-1.
- the solvent include tetrahydrofuran, 1,2-dimethoxyethane, methylolene tert-butenoleatenore, cyclopentinolemethinoleatenore, jetinoleotenole, diisopropinoleatenore, dibutinoleatenore, and dithiophene.
- An ether solvent such as cyclopentyl ether; an aromatic hydrocarbon solvent such as benzene and tonylene; an aliphatic hydrocarbon solvent such as heptane and hexane; or an arbitrary solvent selected from the group consisting of these mixed solvents Can be used.
- a particularly preferred solvent is tetrahydrofuran.
- Examples of the boronic acid ester include, but are not limited to, trimethylporate, triisopropylborate, and the like. A particularly preferred boronic ester is triisopropyl borate.
- Examples of the organometallic reagent include force S including, but not limited to, n-butyllithium, s-butyllithium, and the like. A particularly preferred organometallic reagent is n-ptyllithium.
- Examples of the acid used to neutralize the reaction mixture include, but are not limited to, methanesulfonic acid, p-toluenesulfonic acid, hydrochloric acid-ethyl acetate solution, hydrochloric acid-methanol solution, and the like. Particularly preferred acids are methanesulfonic acid and ethyl acetate solution.
- the reaction time of Step A-1 in Reaction Scheme 1 usually depends on the type of starting material used, the type of solvent, the type of organometallic reagent, the type of boronic acid used, and the reaction temperature. If so, a preferable reaction time can be easily selected. For example, a mixture of an anionized compound prepared at a temperature of 78 ° C (outside temperature of reaction vessel) and a boronic ester prepared at a temperature of the following; Stir. Further, the obtained mixture is neutralized at the temperature shown below, followed by addition of diol, and stirred at the reaction temperature shown below for 10 to 60 minutes.
- the preferred reaction temperature for the reaction between the compound prepared by anionizing compound (la) and the boronic acid ester depends on the type of starting material used as described above.
- the outer temperature of the container more preferably, it is preferably carried out with stirring at room temperature.
- the temperature obtained when neutralizing the mixture obtained by the reaction of the compound prepared by anionizing compound (la) and the boronic acid ester and adding diol is 20 ° C to room temperature (outside temperature of the reaction vessel). More preferably, it is 0 ° C. (outside temperature of reaction vessel).
- the reaction temperature after adding the zeolite to the reaction mixture is 0 ° C. to room temperature (external temperature of the reaction vessel), and more preferably room temperature.
- the boronic acid ester is preferably used in an amount of 0.8 to 1.2 mol, more preferably 0.9 to 1 mol, per mol of the compound (la).
- Step A-2 involves reacting the anionized compound produced by the reaction of the compound (3a) with a base in a solvent and the compound (2a), and then reacting with botasium hydrogen fluoride, sodium hydrogen fluoride, etc.
- this step can be performed with reference to the reaction conditions, post-reaction operations, purification methods, etc. described in Examples A1 to A6 to be described later. Appropriate reaction conditions, purification methods, and the like can be selected as appropriate.
- Step A-2 The reaction of Step A-2 is performed with a force S that is applied in a stream or atmosphere of an inert gas such as nitrogen or argon.
- any compound selected from commercially available compounds and known compounds, or compounds that can be produced from these compounds using a known method may be used. it can.
- Examples of the base to be reacted with the compound (3a) include sodium hydride, potassium bis (trimethylsilyl) amide, and potassium hydride. Sodium hydride and potassium bis (trimethylsilyl) amide are particularly preferable. ! /
- the solvent used in step A-2 is not particularly limited as long as it dissolves the starting materials to be used to some extent and does not inhibit the reaction.
- Solvents that can be used include, for example, tetrahydrofuran, 1,2-dimethoxyethane, methyl t-butylenoatenore, cyclopentinolemethinoleatenore, jetinoleotenole, diisopropinoleoatenore, dibutinoreteinole, And ether solvents such as benzene and toluene; amide solvents such as N, N dimethylformamide and N methylpyrrolidinone; dimethyl sulfoxide; and this A solvent selected from these mixed solvents and the like can be used. Particularly preferred solvents are tetrahydrofuran and N, N dimethylformamide.
- the reaction time in Step A-2 varies depending on the type of starting material used, the type of solvent used, the type of reagent used, and the reaction temperature used, and those skilled in the art can select a preferred reaction time as appropriate. .
- the reaction time is stirred for 30 to 60 minutes at the temperature shown below, and after adding the compound (2a) to the resulting mixture, further at the temperature shown below; Stir for ⁇ 12 hours.
- the reaction temperature of this reaction usually depends on the type of starting material used, the type of solvent used, and the type of base used in the reaction, and those skilled in the art can appropriately select a preferable reaction temperature.
- the temperature at which the base is added to the solution containing the compound (3a) is 78 ° C. to room temperature (outside temperature of the reaction vessel), and more preferably 0 ° C. (outside temperature of the reaction vessel). is there.
- reaction temperature after the base addition is preferably 78 ° C. to 70 ° C. (outside temperature of the reaction vessel), more preferably 0 ° C. to room temperature (outside temperature of the reaction vessel).
- reaction temperature of the reaction between the compound (3a) and the compound (2a) obtained by conversion The reaction temperature of this reaction is usually determined depending on the type of starting material used, the type of solvent used, and the reaction. Depending on the type of reagent used, those skilled in the art can appropriately select a preferable reaction temperature. For example, the temperature at which the compound (2a) is added to the reaction mixture is 0 ° C. to room temperature (external temperature of the reaction vessel), more preferably 0 ° C. (external temperature of the reaction vessel).
- reaction temperature after addition of the compound (2a) is 0 ° C to 100 ° C (external temperature of the reaction vessel), more preferably 0 ° C to 70 ° C (external temperature of the reaction vessel). ).
- compound (3a) is converted to a base with a base, and further, compound (2a) is added and reacted. Then, a hydrogen fluoride salt is further added to the reaction mixture to cause reaction, and polonic ester residue is removed. Converts to a trifnoreoloborate group.
- the reaction temperature of this reaction usually depends on the type of starting material used, the type of solvent used, and the type of reagent used for the reaction, and those skilled in the art can appropriately select a preferable reaction temperature.
- the temperature when hydrogen fluoride salt is added to the reaction mixture is 0 ° C. ⁇ room temperature (outside temperature of reaction vessel), and more preferably o ° C. (outside temperature of reaction vessel).
- the reaction temperature after adding the idrogen fluoride salt to the reaction mixture is o ° c to room temperature (external temperature of the reaction vessel), more preferably room temperature (external temperature of the reaction vessel).
- the hydrogen fluoride salt is preferably used in an amount of 2 to 8 molar equivalents per 1 mole of the compound (2a). S, more preferably 2 to 6 molar equivalents!
- Rb in the formula (I) is a hydrogen atom
- two molecules of the compound represented by the formula (I) can be combined to form a dimer represented by the general formula ( ⁇ ).
- M in the compound (I) is an alkali metal ion
- the compound (I) is further reacted with a reactant selected from tetraalkylammonium hydroxide and tetraalkylphosphonium hydroxide.
- M is [ ⁇ ⁇ ⁇ 1 ) (R 2 ) (R 3 ) (R 4 )] + , or [ ⁇
- a solvent used in the reaction for converting M from an alkali metal ion to a tetraalkylammonium salt or a tetraalkylammonium salt dichloromethane or a mixed solvent of chloroform and water can be used.
- reaction time of this salt exchange reaction is usually 1 to 30 minutes at room temperature (outside temperature of reaction vessel), preferably 1 to 5 minutes.
- reaction temperature of the salt exchange reaction is usually 10 to 50 ° C., preferably room temperature (both are external temperatures of the reaction vessel).
- the compound (I) of the present invention can be used as an aminomethylating agent for aromatic rings.
- an aminomethyl group can be introduced into the aromatic ring in one step. This reaction is described below.
- the following scheme 2 shows a scheme of an aminomethylation reaction of an aromatic ring using the compound (I) of the present invention as an aminomethylating agent.
- Ra, Rb, M and X shown in the reaction formula have the same meanings as defined above for the compound of formula (I).
- U is a halogen group, trifluoromethanesulfonyloxy group, etc. Means a leaving group.
- the compound (lb) represents a compound having an aromatic ring capable of causing a coupling reaction with the aminomethylating agent of the present invention.
- aromatic rings include hydrocarbon aromatic rings such as benzene ring and naphthalene ring as well as heteroaryl rings such as pyrrole, pyridine and quinoline.
- Step B-1 in Reaction Scheme 2 is a step for producing compound (2b) by a coupling reaction between compound (lb) having an aromatic ring and fluoro compound (I) in an appropriate solvent.
- the reaction formula 2 shows only the compound (I). Instead of the compound (I), the compound (II) or the compound (III) is used for the aminomethylation reaction of the aromatic ring. You can also.
- the compound (lb) having an aromatic ring is a commercially available compound! /, A known compound, or an arbitrary compound selected from these compounds and a compound that can be produced using a known method These compounds can be used.
- This coupling reaction is performed in the presence of a metal catalyst effective as a catalyst for this reaction.
- the metal catalyst include metals such as palladium metal, platinum metal, nickel metal, rhodium metal and iridium metal, and compounds containing a metal selected from these metals.
- a radium catalyst is preferable.
- the palladium catalyst include palladium (II) acetate, tris (dibenzylideneacetone) dipalladium (0), palladium carbon, bis (triphenylphosphine) palladium ( ⁇ ) chloride, bis (tri-1-butyl).
- Phosphine palladium (0), tetrakis (triphenylphosphine) palladium (0), 1,1-bis (diphenylphosphinophenocene) dichloropalladium ( ⁇ ), etc., and especially palladium acetate ( ⁇ ) preferable.
- the metal catalyst is preferably used in an amount of 0.001 to 0.5 molar equivalent per mole of the compound (lb) having an aromatic ring, and more preferably 0.05 to 0.2 molar equivalent.
- This coupling reaction is particularly preferably carried out in the presence of a base and a phosphine compound together with the metal catalyst.
- Examples of the base include potassium phosphate tribasic, cesium carbonate, and And cesium fluoride. Among them, cesium carbonate and potassium phosphate tribasic are preferred and bases.
- the base is preferably used in an amount of! To 4 mole equivalents per mole of the fluoroboron compound (1), ( ⁇ ) or (III) of the present invention, more preferably 2 to 3 mole equivalents. Better!/,.
- Examples of the phosphine compound include triphenylphosphine, tri-o-tolylphosphine, tri-t-butylphosphine, tricyclohexylphosphine, diphenylphosphinophenocene, 2 dicyclohexylphosphino 2 ', 6'-dimethoxybiphenyl, 2 dicyclohexylphosphino 2 ', 4', 6, monotriisopropylbiphenyl, 2di-tert-butylenophosphino 1 ', 4', 6, monotriisopropylbiphenyl, 2 di-t-butylphosphino biphenyl, 2-dicyclohexylphosphinobiphenyl, 2-dicyclohexylphosphino 2 -'- (N, N dimethylamino) biphenyl, 2-di-t-butylphosphino biphenyl 2
- the phosphine compound is preferably used in an amount of 0.001 to 3 molar equivalents per mole of the fluoroboron compound (1), ( ⁇ ) or (III). It is preferable.
- step B-1 it is preferable to use 1 to 3 molar equivalents of compound (I) per 1 mole of compound (lb), preferably 1 to 2 molar equivalents.
- compound (II) or (III) is used instead of compound (I).
- the solvent used in the step B-1 is not particularly limited as long as the starting material can be dissolved to some extent and does not inhibit the reaction.
- Examples of solvents that can be used in step B-1 include tetrahydrofuran, 1,2-dimethoxyethane, methylolene tert-butenoreethenole, cyclopentinolemethinoleethenore, jetinoretenol, diisopropyl ether, dibutyl ether.
- ether solvents such as dicyclopentyl etherol; aromatic hydrocarbon solvents such as benzene and toluene; aliphatic hydrocarbon solvents such as heptane and hexane; N, N dimethylformamide and N Examples thereof include amide solvents such as methylpyrrolidinone; dimethyl sulfoxide; and mixed solvents thereof. Particularly preferred solvents are 1,4 dioxane and toluene.
- Step B-1 Specific reaction conditions, post-treatment of the reaction, and purification method in Step B-1 should be easily determined by those skilled in the art with reference to the conditions described in Examples B1 to B9 described later. Power S can be. Even when starting materials and aminomethylating agents other than those shown in the Examples are used, those skilled in the art can easily determine optimum conditions for carrying out the reaction.
- reaction temperature and reaction time in Step B-1 depend on the type of starting material used, the type of solvent used, and the type of reagent used in the reaction, but those skilled in the art can easily determine the optimal reaction temperature and The reaction time can be determined.
- the reaction temperature is 50 to 140 (external temperature of the reaction vessel), preferably S, and more preferably 95 to 105 (external temperature of the reaction vessel).
- This reaction can also be performed under a stream or atmosphere of an inert gas such as nitrogen or argon.
- an inert gas such as nitrogen or argon.
- Step B-1 By the reaction in Step B-1, a compound (2b) in which an aminomethyl group is introduced into the aromatic ring of the compound (lb) is obtained.
- Step B-2 in the compound (2b) in which the aromatic ring is aminomethylated, when Ra is a protecting group for an amino group and Rb is a hydrogen atom, or Ra and Rb are both protecting groups for an amino group. In some cases, Ra or Ra and Rb are deprotected to obtain a compound (3b) having a primary aminomethyl group.
- This step can be optionally performed.
- either Ra or Rb is a protecting group for amine, and the other is, for example, C alkyl
- the protecting group is removed by the same method as in Step B-2 to obtain a compound having a secondary amino group.
- Step B-2 can be performed using a known method for removing an amino protecting group.
- Ra is a t-butoxycarbonyl group
- Synthesis, pp. 66—68, 19 The amino group can be deprotected using a method described in 99.
- Ra means a formyl group
- the amino group can be deprotected using a method described in Tetrahedron Letters, Vol. 33, pp. 8125-8126 and the like.
- Ra and Rb are combined with the nitrogen atom to which they are bonded to form a phthalimide group! / ⁇ ⁇ (Met Tetrahedron, Vol. 60, pp. 4773—4780-4780 V can be used to deprotect amino groups.
- Step B-3 is a step of producing compound (3b) in one pot by reacting compound (lb) having an aromatic ring with fluoroboron compound (I) in a solvent.
- Step B-3 the coupling reaction between Compound (lb) and Compound (I) is carried out under the same conditions as in Step B-1, and then the product is isolated without isolation of the product.
- the compound (3b) can be obtained directly by deprotecting the amine protecting group with.
- the optimal deprotection conditions for the amine protecting group vary depending on the type of protecting group, but the amine group may be deprotected with reference to the conditions described in the reference document shown in Step B-2 above. it can.
- Preferred deprotection conditions for the amine group include a method in which a hydrazine compound such as hydrazine hydrate is added to the reaction system after completion of the coupling reaction between the compound (lb) and (I), and the basicity in the reaction system is increased.
- Deprotection of ammine using a hydrazine compound can be performed with reference to the reaction conditions, post-treatment and purification methods described in Examples B1 to B3 described later. In this case, it is possible to deprotect the amine protecting group by adding an alcohol solvent such as methanol to the reaction mixture.
- reaction time required for the deprotection of the amine by the hydrazine compound depends on the type of protecting group, the type of solvent used, the type of hydrazine compound used for the deprotection, and the reaction temperature. Can be easily determined by those skilled in the art. This reaction time is usually 30 minutes to 2 hours under stirring at 50 100 ° C. (external temperature of the reaction vessel).
- the reaction temperature in the case of deprotection with a hydrazine compound is usually the starting material, solvent,
- the temperature varies depending on the reagent used for the other reaction and is appropriately selected, but is preferably 50 ° C to 100 ° C (external temperature).
- the target compound can be isolated from the reaction mixture by a conventional method after completion of the reaction.
- the reaction mixture is allowed to return to room temperature as desired or under cooling (ice-cooling to 78 ° C), an acid is appropriately added to the reaction mixture. Or neutralize by adding alkali and / or add oxidizing or reducing agent.
- an organic solvent that is not miscible with each other and does not react with the target compound such as water and ethyl acetate, is further added, and the layer containing the target compound is separated.
- a solvent that is not compatible with the layer containing the target compound and does not react with the target compound is added, and the layer containing the target compound is washed and separated.
- this layer is an organic layer, it can be dried using a desiccant such as anhydrous magnesium sulfate or anhydrous sodium sulfate, and after removing the desiccant, the solvent can be distilled off to obtain the target compound. Further, if the layer containing the target compound is an aqueous layer, it is possible to obtain the target compound by lyophilization after electrically desalting.
- a desiccant such as anhydrous magnesium sulfate or anhydrous sodium sulfate
- the target compound can be obtained only by distilling off substances other than the target compound (for example, solvents and reagents) under normal pressure or reduced pressure. In some cases.
- reaction mixture when the entire reaction mixture is liquid, the reaction mixture is purified by using various chromatographic methods (such as thin layer chromatography or column chromatography).
- the target compound is first filtered by filtration.
- the target compound collected by filtration is washed with an appropriate organic solvent or an inorganic solvent such as water, and further dried. Then, if desired, the target compound can be further recovered by treating the mother liquor obtained by the filtration operation in the same manner as in the case where the whole reaction mixture is liquid.
- the reagent and the catalyst other than the target compound exist as a solid, or the whole reaction mixture is liquid at the end of the reaction, and the post-treatment If at least one or both of the reagent and the catalyst are precipitated as a solid in the process of step 1 and the target compound is dissolved in the solution, first the reagent and / or catalyst is separated by filtration by filtration. Then, the separated reagent or catalyst is washed with an appropriate organic or inorganic solvent, and the mixture obtained by combining the resulting washing solution with the mother liquor is treated in the same manner as in the case where the whole reaction mixture is liquid, so that the target compound is obtained. If the compound other than the target compound contained in the reaction mixture does not inhibit the reaction in the next step, it can be used as it is in the next step without isolating the target compound.
- the target compound produced according to the above reaction formula 1 or 2 can be optionally purified by optionally using a recrystallization method, various chromatographic methods, or a distillation method.
- the purity of the target compound can usually be improved by a recrystallization method.
- the solvent used in the recrystallization method a single solvent that does not react with the target compound or a mixture of a plurality of solvents can be used. Specifically, first, the target compound is dissolved in a solvent that does not react with the target compound at room temperature or under heating. The power S is used to cool the resulting solution with ice water or the like, or to allow the target compound to crystallize from the solution by allowing it to stand at room temperature.
- the purity of the target compound can be improved using various chromatographic methods.
- chromatographic methods for example, weakly acidic silica gels such as silica gel 60 (70-230111 ⁇ 231 or 340-400111 ⁇ 231) manufactured by Merck and silicagenole 60 (0.040-0.050 mm) manufactured by Kanto Chemical Co., Ltd. should be used. You can.
- neutral silica gel 60 N (0.10-0.21 mm) manufactured by Kanto Chemical Co., Inc. can be used.
- propylamine-coated silica gel (NH-silica gel column chromatography) (200-350 mesh) manufactured by Fuji Silicon Chemical Co., Ltd. can also be used.
- NAM-200H or NAM-300H manufactured by Nam Research Institute can be used. Using these silica gel chromatography, do not react with the target compound! /, Elute the target compound with a single solvent or a mixture of multiple solvents. Fraction power containing a target compound By distilling off the solvent, it is possible to obtain the target compound with improved purity.
- the purity of the target compound can be improved by a distillation method.
- the target compound can be purified by distilling it under reduced pressure at room temperature or under heating.
- a dimer can be formed from a compound in which at least one of Ra and Rb of compound (I) is a hydrogen atom.
- An example of dimer formation is shown in Example A-4 to be described later.
- the raw material compound and various reagents used for producing the compound of the present invention may form a salt, a hydrate or a solvate, and the form varies depending on the starting material and the solvent used.
- the form is not particularly limited as long as the desired reaction is not inhibited.
- the type of the appropriate solvent to be used also depends on the types of starting materials, reagents and the like, but it goes without saying that it is not particularly limited as long as it does not inhibit the target reaction and dissolves the starting material to some extent. It is very easy for those skilled in the art to select an appropriate solvent.
- the compound (I) according to the present invention is obtained as a free form, the compound (I) may be converted into a salt thereof or a solvate thereof according to a conventional method, if desired.
- the compound (I) when obtained as a solvate, it can be once converted into a free amine and then converted into a salt or a solvate.
- various isomers obtained from the compound (I) according to the present invention for example, geometric isomers, optical isomers, rotational isomers, stereoisomers, tautomers, etc.
- Production Examples 1 and 2 are examples of Step A-1 in Reaction Formula 1 above.
- Examples A1 to A6 are examples of the process A-2 in the above reaction formula 1.
- Examples B1 to B9 are examples according to the above reaction formula 2.
- reaction temperature refers to the external temperature of the reaction vessel.
- internal temperature refers to the internal temperature of the reaction vessel.
- Pinacol (7.7 g, 65 mmol) was added to the reaction mixture at the same temperature, and then the reaction mixture was stirred at room temperature for 40 minutes. After distilling off the solvent under reduced pressure, the resulting residue was distilled under reduced pressure (63-70 ° C., lmmHg) to obtain the title compound (9.2 g, 52 mmol, 81%).
- Tetrahydrofuran (5 ml), sodium and idrogen phenololide (720 mg, 12 mmol) were added to the reaction mixture at 0 ° C. (external temperature), and then water (10 ml) was added dropwise at the same temperature. The reaction mixture was further stirred at room temperature for 1 hour, and the solvent was distilled off under reduced pressure. Acetone (100 ml) was added to the resulting residue and heated to reflux temperature. The reaction mixture was allowed to cool to about 40 ° C (internal temperature) and then filtered. Filtration force After distilling off the solvent under reduced pressure, the residue Washing with a mixed solvent of benzene and tetrahydrofuran (2: 1) gave the title compound (240 mg, 42%).
- Phthalimin Potassium Salt (2.8 g, 15 mmol) and Dimethyl Sulfoxide (20 ml) in a mixture at room temperature with 2 (chloromethyl) -4,4,5,5 tetramethyl-1,3,2 dioxapoloran (55%, 3 3 g, lOmmol) was added dropwise. The resulting mixture was stirred at 70 ° C for 1 hour. The reaction mixture was cooled to room temperature, botammuno, idrogen fluoride (3.9 g, 51 mmol) was added at the same temperature, and then water (20 ml) was added dropwise at the same temperature. The produced solid was removed by filtration, and solvents other than dimethyl sulfoxide were distilled off under reduced pressure.
- the reaction mixture was cooled to room temperature, hydrazine hydrate (0.039 ml, 0.81 mmol) and methanol (2 ml) were added, and the reaction mixture was heated to reflux for 1 hour.
- Example B 7 4-bipheny 4-ylmethy morpholine (synthesis of 4-bipheny ⁇ 4-ylmethy ⁇ morpholine)
- a primary, secondary, or tertiary aminomethyl group can be directly introduced into an aromatic ring, so that the substrate is unstable in a reduction reaction or is inexpensive and abundantly commercially available.
- Aromatic halides such as black benzene can be used. Therefore, the present invention is industrially useful.
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Description
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JP2008524802A JP4343260B2 (ja) | 2006-07-11 | 2007-07-10 | フルオロホウ素化合物およびそれからなる芳香環のアミノメチル化剤、ならびに前記アミノメチル化剤を用いたアミノメチル芳香環を有する化合物の製造方法 |
CN200780025879.3A CN101490063B (zh) | 2006-07-11 | 2007-07-10 | 氟硼化合物、由其构成的芳环氨甲基化剂、及使用该芳环氨甲基化剂的具有氨甲基芳环的化合物的制备方法 |
EP07790554.5A EP2039697B1 (en) | 2006-07-11 | 2007-07-10 | Fluoroboron compound, aminomethylating agent for aromatic ring comprising the compound, and process for production of compound having aminomethyl-aromatic ring using the aminomethylating agent |
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US81962806P | 2006-07-11 | 2006-07-11 | |
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US60/819,628 | 2006-07-11 |
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CN108020547A (zh) * | 2017-12-17 | 2018-05-11 | 沧州普瑞东方科技有限公司 | 一种测定有机三氟硼酸钾盐含量的方法 |
CN113401916B (zh) * | 2021-05-26 | 2023-05-26 | 大连鼎燕医药化工有限公司 | 取代芳烃氟化氢重氮盐热解氟代反应的废物利用 |
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WO2005033079A1 (ja) | 2003-09-30 | 2005-04-14 | Eisai Co., Ltd. | ヘテロ環化合物を含有する新規な抗真菌剤 |
JP2006190813A (ja) | 2005-01-06 | 2006-07-20 | Fujikura Ltd | 発光デバイス、発光デバイスの色度調節方法及び照明装置 |
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JP2006190813A (ja) | 2005-01-06 | 2006-07-20 | Fujikura Ltd | 発光デバイス、発光デバイスの色度調節方法及び照明装置 |
Non-Patent Citations (10)
Title |
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J. ORG. CHEM., vol. 33, 1968, pages 3055 |
MOLANDER G.A. ET AL.: "Aminomethylation via Cross-Coupling of Potassium Organotrifluoroborates with Aryl Bromides", ORGANIC LETTERS, vol. 9, no. 8, 2007, pages 1597 - 1600, XP003020492 * |
MOLANDER G.A. ET AL.: "Synthesis of Functionalized Organotrifluoroborates via the 1,3-Dipolar Cycloaddition of Azides", ORGANIC LETTERS, vol. 8, no. 13, 2006, pages 2767 - 2770, XP003020493 * |
ORG. LETT., vol. 2, 2000, pages 1081 |
ORG. LETT., vol. 8, 2006, pages 2031 |
See also references of EP2039697A4 * |
SYNTHESIS, 1999, pages 66 - 68 |
TETRAHEDRON LETTERS, vol. 33, pages 8125 - 8126 |
TETRAHEDRON LETTERS, vol. 42, pages 9099 - 9103 |
TETRAHEDRON, vol. 60, pages 4773 - 4780 |
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US8524946B2 (en) | 2013-09-03 |
EP2039697B1 (en) | 2013-09-04 |
CN101490063A (zh) | 2009-07-22 |
EP2039697A4 (en) | 2011-05-25 |
EP2039697A1 (en) | 2009-03-25 |
US20080015351A1 (en) | 2008-01-17 |
US20120010403A1 (en) | 2012-01-12 |
US8044216B2 (en) | 2011-10-25 |
JPWO2008007670A1 (ja) | 2009-12-10 |
CN101490063B (zh) | 2014-10-22 |
JP4343260B2 (ja) | 2009-10-14 |
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