JP5635443B2 - 新規化合物とその錯体並びに錯体の製造方法 - Google Patents
新規化合物とその錯体並びに錯体の製造方法 Download PDFInfo
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- JP5635443B2 JP5635443B2 JP2011079321A JP2011079321A JP5635443B2 JP 5635443 B2 JP5635443 B2 JP 5635443B2 JP 2011079321 A JP2011079321 A JP 2011079321A JP 2011079321 A JP2011079321 A JP 2011079321A JP 5635443 B2 JP5635443 B2 JP 5635443B2
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- 150000001875 compounds Chemical class 0.000 title claims description 123
- 239000003446 ligand Substances 0.000 claims description 53
- 239000003054 catalyst Substances 0.000 claims description 36
- 238000005859 coupling reaction Methods 0.000 claims description 35
- 125000003545 alkoxy group Chemical group 0.000 claims description 34
- 125000000217 alkyl group Chemical group 0.000 claims description 31
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 22
- 125000001424 substituent group Chemical group 0.000 claims description 22
- 230000008878 coupling Effects 0.000 claims description 21
- 238000010168 coupling process Methods 0.000 claims description 21
- 125000002947 alkylene group Chemical group 0.000 claims description 19
- 125000004104 aryloxy group Chemical group 0.000 claims description 19
- 229910052723 transition metal Inorganic materials 0.000 claims description 18
- 150000003624 transition metals Chemical class 0.000 claims description 18
- 125000005843 halogen group Chemical group 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 125000003118 aryl group Chemical group 0.000 claims description 11
- 125000000000 cycloalkoxy group Chemical group 0.000 claims description 11
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 11
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 11
- 229910052763 palladium Inorganic materials 0.000 claims description 10
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 claims description 10
- 150000001450 anions Chemical class 0.000 claims description 9
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims description 8
- 125000002102 aryl alkyloxo group Chemical group 0.000 claims description 8
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims description 8
- 150000001491 aromatic compounds Chemical class 0.000 claims description 6
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 4
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 4
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 claims description 3
- ZADPBFCGQRWHPN-UHFFFAOYSA-N boronic acid Chemical compound OBO ZADPBFCGQRWHPN-UHFFFAOYSA-N 0.000 claims description 2
- -1 phosphine compound Chemical class 0.000 description 70
- 238000006243 chemical reaction Methods 0.000 description 39
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 38
- 238000005481 NMR spectroscopy Methods 0.000 description 28
- 239000000203 mixture Substances 0.000 description 26
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 24
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 24
- 239000002243 precursor Substances 0.000 description 24
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 20
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 18
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 18
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 18
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 15
- 125000001309 chloro group Chemical group Cl* 0.000 description 14
- 238000002844 melting Methods 0.000 description 13
- 230000008018 melting Effects 0.000 description 13
- 239000002904 solvent Substances 0.000 description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 230000000694 effects Effects 0.000 description 12
- 239000007787 solid Substances 0.000 description 12
- 238000003786 synthesis reaction Methods 0.000 description 12
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 11
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 9
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 150000004696 coordination complex Chemical class 0.000 description 9
- 238000006880 cross-coupling reaction Methods 0.000 description 9
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 9
- 239000011343 solid material Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- UNRGEIXQCZHICP-UHFFFAOYSA-N 2-(chloromethyl)-1,3,5-trimethylbenzene Chemical compound CC1=CC(C)=C(CCl)C(C)=C1 UNRGEIXQCZHICP-UHFFFAOYSA-N 0.000 description 8
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000002585 base Substances 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 6
- 150000001408 amides Chemical class 0.000 description 6
- 150000001543 aryl boronic acids Chemical class 0.000 description 6
- 229910052801 chlorine Inorganic materials 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000003960 organic solvent Substances 0.000 description 6
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 5
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 5
- 229910000024 caesium carbonate Inorganic materials 0.000 description 5
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 5
- 150000004693 imidazolium salts Chemical class 0.000 description 5
- 150000002825 nitriles Chemical class 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- 238000010992 reflux Methods 0.000 description 5
- 238000010898 silica gel chromatography Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 150000003623 transition metal compounds Chemical class 0.000 description 5
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 4
- CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical compound NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 description 4
- HJKGBRPNSJADMB-UHFFFAOYSA-N 3-phenylpyridine Chemical compound C1=CC=CC=C1C1=CC=CN=C1 HJKGBRPNSJADMB-UHFFFAOYSA-N 0.000 description 4
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical class NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- XJHCXCQVJFPJIK-UHFFFAOYSA-M caesium fluoride Chemical compound [F-].[Cs+] XJHCXCQVJFPJIK-UHFFFAOYSA-M 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 238000000921 elemental analysis Methods 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 150000002170 ethers Chemical class 0.000 description 4
- 125000001072 heteroaryl group Chemical group 0.000 description 4
- 125000002883 imidazolyl group Chemical group 0.000 description 4
- 229910052740 iodine Inorganic materials 0.000 description 4
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 4
- 150000002576 ketones Chemical class 0.000 description 4
- LXNAVEXFUKBNMK-UHFFFAOYSA-N palladium(II) acetate Substances [Pd].CC(O)=O.CC(O)=O LXNAVEXFUKBNMK-UHFFFAOYSA-N 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- HXITXNWTGFUOAU-UHFFFAOYSA-N phenylboronic acid Chemical compound OB(O)C1=CC=CC=C1 HXITXNWTGFUOAU-UHFFFAOYSA-N 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 4
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 description 4
- 235000011152 sodium sulphate Nutrition 0.000 description 4
- 150000003462 sulfoxides Chemical class 0.000 description 4
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 4
- 125000006273 (C1-C3) alkyl group Chemical group 0.000 description 3
- SSDGWHBCLXIYIY-UHFFFAOYSA-N 1-(2-methoxyphenyl)-4,5-dimethylimidazole Chemical compound COc1ccccc1-n1cnc(C)c1C SSDGWHBCLXIYIY-UHFFFAOYSA-N 0.000 description 3
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 3
- UAJPCVKFYBEEFO-UHFFFAOYSA-N 4,5-dimethyl-1-(2-phenoxyphenyl)imidazole Chemical compound Cc1ncn(c1C)-c1ccccc1Oc1ccccc1 UAJPCVKFYBEEFO-UHFFFAOYSA-N 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 3
- QSJXEFYPDANLFS-UHFFFAOYSA-N Diacetyl Chemical group CC(=O)C(C)=O QSJXEFYPDANLFS-UHFFFAOYSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 101150003085 Pdcl gene Proteins 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000006161 Suzuki-Miyaura coupling reaction Methods 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 3
- 125000002252 acyl group Chemical group 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 235000019270 ammonium chloride Nutrition 0.000 description 3
- 239000012300 argon atmosphere Substances 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 125000001033 ether group Chemical group 0.000 description 3
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- HZVOZRGWRWCICA-UHFFFAOYSA-N methanediyl Chemical compound [CH2] HZVOZRGWRWCICA-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012046 mixed solvent Substances 0.000 description 3
- 125000001624 naphthyl group Chemical group 0.000 description 3
- 239000012044 organic layer Substances 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 3
- 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 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 3
- 125000003161 (C1-C6) alkylene group Chemical group 0.000 description 2
- QKBXKMCCOVPDTO-UHFFFAOYSA-M 1-(2-methoxyphenyl)-3-[(2,4,6-trimethylphenyl)methyl]imidazol-3-ium chloride Chemical compound [Cl-].COC1=CC=CC=C1N1C=[N+](CC=2C(=CC(C)=CC=2C)C)C=C1 QKBXKMCCOVPDTO-UHFFFAOYSA-M 0.000 description 2
- RHJVGHRURDLRFE-UHFFFAOYSA-M 1-(2-methoxyphenyl)-4,5-dimethyl-3-[(2,4,6-trimethylphenyl)methyl]imidazol-3-ium chloride Chemical compound [Cl-].COC1=CC=CC=C1N1C(C)=C(C)[N+](CC=2C(=CC(C)=CC=2C)C)=C1 RHJVGHRURDLRFE-UHFFFAOYSA-M 0.000 description 2
- CQLGOPJAEIQBBF-UHFFFAOYSA-M 1-(2-methoxyphenyl)-4,5-dimethyl-3-[[2,4,6-tri(propan-2-yl)phenyl]methyl]imidazol-3-ium chloride Chemical compound [Cl-].COC1=CC=CC=C1N1C(C)=C(C)[N+](CC=2C(=CC(=CC=2C(C)C)C(C)C)C(C)C)=C1 CQLGOPJAEIQBBF-UHFFFAOYSA-M 0.000 description 2
- YRGAYAGBVIXNAQ-UHFFFAOYSA-N 1-chloro-4-methoxybenzene Chemical compound COC1=CC=C(Cl)C=C1 YRGAYAGBVIXNAQ-UHFFFAOYSA-N 0.000 description 2
- RHDYQUZYHZWTCI-UHFFFAOYSA-N 1-methoxy-4-phenylbenzene Chemical group C1=CC(OC)=CC=C1C1=CC=CC=C1 RHDYQUZYHZWTCI-UHFFFAOYSA-N 0.000 description 2
- PZOZYLSYQJYXBI-UHFFFAOYSA-N 2-propan-2-yloxyaniline Chemical compound CC(C)OC1=CC=CC=C1N PZOZYLSYQJYXBI-UHFFFAOYSA-N 0.000 description 2
- PWRBCZZQRRPXAB-UHFFFAOYSA-N 3-chloropyridine Chemical compound ClC1=CC=CN=C1 PWRBCZZQRRPXAB-UHFFFAOYSA-N 0.000 description 2
- OIUIIOQDMAGPRX-UHFFFAOYSA-M 4,5-dimethyl-1-(2-phenoxyphenyl)-3-[(2,4,6-trimethylphenyl)methyl]imidazol-3-ium chloride Chemical compound [Cl-].C=1N(C=2C(=CC=CC=2)OC=2C=CC=CC=2)C(C)=C(C)[N+]=1CC1=C(C)C=C(C)C=C1C OIUIIOQDMAGPRX-UHFFFAOYSA-M 0.000 description 2
- QHHZPIFVNSKJMY-UHFFFAOYSA-M 4,5-dimethyl-1-(2-propan-2-yloxyphenyl)-3-[(2,4,6-trimethylphenyl)methyl]imidazol-3-ium chloride Chemical compound [Cl-].CC(C)OC1=CC=CC=C1N1C(C)=C(C)[N+](CC=2C(=CC(C)=CC=2C)C)=C1 QHHZPIFVNSKJMY-UHFFFAOYSA-M 0.000 description 2
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 2
- QHKOKNMBEJAFBP-UHFFFAOYSA-N CC1=C(N(C=N1)C2=CC=CC=C2OC(C)C)C Chemical compound CC1=C(N(C=N1)C2=CC=CC=C2OC(C)C)C QHKOKNMBEJAFBP-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-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
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229910018286 SbF 6 Inorganic materials 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000006069 Suzuki reaction reaction Methods 0.000 description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 2
- 229910001515 alkali metal fluoride Inorganic materials 0.000 description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 2
- 229910000318 alkali metal phosphate Inorganic materials 0.000 description 2
- 125000004448 alkyl carbonyl group Chemical group 0.000 description 2
- 150000005215 alkyl ethers Chemical class 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- YNHIGQDRGKUECZ-UHFFFAOYSA-L bis(triphenylphosphine)palladium(ii) dichloride Chemical compound [Cl-].[Cl-].[Pd+2].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 YNHIGQDRGKUECZ-UHFFFAOYSA-L 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000007809 chemical reaction catalyst Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
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- 238000004811 liquid chromatography Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- YNESATAKKCNGOF-UHFFFAOYSA-N lithium bis(trimethylsilyl)amide Chemical compound [Li+].C[Si](C)(C)[N-][Si](C)(C)C YNESATAKKCNGOF-UHFFFAOYSA-N 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 125000004184 methoxymethyl group Chemical group [H]C([H])([H])OC([H])([H])* 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 125000005186 naphthyloxy group Chemical group C1(=CC=CC2=CC=CC=C12)O* 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 150000002941 palladium compounds Chemical class 0.000 description 1
- ZVSLRJWQDNRUDU-UHFFFAOYSA-L palladium(2+);propanoate Chemical compound [Pd+2].CCC([O-])=O.CCC([O-])=O ZVSLRJWQDNRUDU-UHFFFAOYSA-L 0.000 description 1
- RFLFDJSIZCCYIP-UHFFFAOYSA-L palladium(2+);sulfate Chemical compound [Pd+2].[O-]S([O-])(=O)=O RFLFDJSIZCCYIP-UHFFFAOYSA-L 0.000 description 1
- 229910000364 palladium(II) sulfate Inorganic materials 0.000 description 1
- INIOZDBICVTGEO-UHFFFAOYSA-L palladium(ii) bromide Chemical compound Br[Pd]Br INIOZDBICVTGEO-UHFFFAOYSA-L 0.000 description 1
- JGBZTJWQMWZVNX-UHFFFAOYSA-N palladium;tricyclohexylphosphane Chemical compound [Pd].C1CCCCC1P(C1CCCCC1)C1CCCCC1.C1CCCCC1P(C1CCCCC1)C1CCCCC1 JGBZTJWQMWZVNX-UHFFFAOYSA-N 0.000 description 1
- 125000004115 pentoxy group Chemical group [*]OC([H])([H])C([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical group C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 150000003003 phosphines Chemical class 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 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 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 125000005581 pyrene group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 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
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
- QNMBSXGYAQZCTN-UHFFFAOYSA-N thiophen-3-ylboronic acid Chemical compound OB(O)C=1C=CSC=1 QNMBSXGYAQZCTN-UHFFFAOYSA-N 0.000 description 1
- RXJKFRMDXUJTEX-UHFFFAOYSA-N triethylphosphine Chemical compound CCP(CC)CC RXJKFRMDXUJTEX-UHFFFAOYSA-N 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
- 125000005580 triphenylene 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
- 238000007039 two-step reaction Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
本発明は、前記化合物(配位子前駆体)から発生させた配位子と遷移金属とで構成された錯体(前記配位子が金属に配位した金属錯体)も包含する。この錯体において、遷移金属はパラジウムであってもよい。また、前記錯体は、クロスカップリング反応での触媒活性が高く、カップリング触媒であってもよい。
さらに、前記錯体(又はカップリング触媒)は、遷移金属に前記配位子前駆体を塩基で処理しカルベンを生成させて配位させることにより製造できる。
前記式(1)及び(2)で表される化合物において、R1はヒドロキシル基、アルコキシ基、シクロアルキルオキシ基、アリールオキシ基、アラルキルオキシ基を示す。アルコキシ基としては、例えば、メトキシ基、エトキシ基、プロポキシ基、イソプロポキシ基、ブトキシ基、イソブトキシ基、s−ブトキシ基、t−ブトキシ基、ペンチルオキシ基、イソペンチルオキシ基、ヘキシルオキシ基、オクチルオキシ基などの直鎖状又は分岐鎖状アルコキシ基が例示できる。これらのアルコキシ基のうち、直鎖状又は分岐鎖状C1−6アルコキシ基、特に、直鎖状又は分岐鎖状C1−4アルコキシ基(メトキシ基、エトキシ基、イソプロポキシ基、ブトキシ基など)が好ましい。
1−(2,4,6−トリメチルベンジル)−3−(2−フェノキシフェニル)イミダゾリウムクロリド、1−(2,4,6−トリメチルベンジル)−3−(2−トリルオキシフェニル)イミダゾリウムクロリドなどの1−(2,4,6−トリC1−4アルキル−フェニル−C1−4アルキル)−3−(2−C6−10アリールオキシフェニル)イミダゾリウムハライド;
1−(2,4,6−トリメチルベンジル)−3−(2−メトキシフェニル)−4,5−ジメチルイミダゾリウムクロリド、1−(2,4,6−トリメチルベンジル)−3−(2−エトキシフェニル)−4,5−ジメチルイミダゾリウムクロリド、1−(2,4,6−トリメチルベンジル)−3−(2−イソプロポキシフェニル)−4,5−ジメチルイミダゾリウムクロリド、1−(2,4,6−トリイソプロピルベンジル)−3−(2−メトキシフェニル)−4,5−ジメチルイミダゾリウムクロリド、1−(2,4,6−トリメチルベンジル)−3−(2−ブトキシフェニル)−4,5−ジメチルイミダゾリウムクロリドなどの1−(2,4,6−トリC1−4アルキル−フェニル−C1−4アルキル)−3−(2−C1−4アルコキシフェニル)−4,5−ジC1−4アルキルイミダゾリウムハライド;
1−(2,4,6−トリメチルベンジル)−3−(2−フェノキシフェニル)−4,5−ジメチルイミダゾリウムクロリドなどの1−(2,4,6−トリC1−4アルキル−フェニル−C1−4アルキル)−3−(2−C6−10アリールオキシフェニル)−4,5−ジC1−4アルキルイミダゾリウムハライド;
これらの化合物に対応するボレート(例えば、BF4 −など)、ホスフェート(例えば、PF6 −など)、スルホネート(例えば、CF3SO3 −など)、アンチモネート(例えば、SbF6 −など)など。
前記式(1)で表される新規化合物(又は配位子前駆体)は、下記反応工程式で表されるように、下記式(5)で表される化合物と、下記式(6)で表される化合物とを反応させることにより得ることができる。
ハロゲン原子X1としては、フッ素原子、塩素原子、臭素原子、ヨウ素原子が挙げられ、通常、X1は、塩素原子又は臭素原子である。
本発明は、前記新規化合物(配位子前駆体)を塩基で処理することにより生成させた配位子と遷移金属とで構成された錯体(前記配位子が金属に配位した金属錯体)も包含する。この錯体において、遷移金属としては、例えば、周期表8族元素(ルテニウム、鉄など)、周期表9族元素(コバルト、ロジウム、イリジウム)、周期表10族元素(ニッケル、パラジウム、白金)、周期表1B族元素(銅など)が例示できる。これらの遷移金属の中で、周期表8族元素、周期表9族元素、特に周期表10族元素が好ましく、周期表10族元素としてはニッケル又はパラジウム、特にパラジウムが有利である。これらの元素(遷移金属)の価数は、0〜6価、好ましくは0〜4価,特に0〜2価(例えば、0又は2価)程度であってもよい。
本発明の化合物(1)を含む金属錯体又は触媒系は、遷移金属触媒(例えば、パラジウム触媒)を用いる種々の有機合成反応に利用でき、このような反応としては、カップリング反応、ヒドロシリル化反応、オレフィンメタセシス反応、C−H結合活性化反応などが例示できる。本発明の触媒はクロスカップリング反応、ヒドロシリル化用触媒として有用である。代表的なクロスカップリング反応としては、スズキカップリング反応(スズキ−ミヤウラカップリング反応)、ソノガシラカップリング反応などが例示できる。本発明の触媒は、芳香族化合物をカップリングして、ビスアリール化合物(ジアリールメタン化合物などを含む)を製造するのに有用であり、特に、スズキカップリング反応(スズキ−ミヤウラカップリング反応)として知られているアリールクロスカップリング反応に有利に使用される。この反応では、置換基を有してもよいハロアリール化合物と、置換基を有してもよいアリールボロン酸(又はアリールトリフルオロボレート又はその塩)とのカップリング反応により置換基を有してもよいビスアリール化合物(ジアリールアルカン化合物を含む)を高収率で製造できる。特に、本発明の化合物(1)を含む金属錯体又は触媒系は、ヘテロアリール化合物同士のカップリング反応でも高い活性を示し、ビスヘテロアリール化合物(ジヘテロアリールアルカン化合物を含む)を高い収率で得られるという特色がある。アリールボロン酸を用いた代表的な反応は、例えば、下記式で表すことができる。
環Ar1及び環Ar2で表される芳香族炭化水素環としては、ベンゼン環、ナフタレン環、アントラセン環、フェナンスレン環、ピレン環、トリフェニレン環などのC6−24アレーン環、ビフェニル環、ターフェニル環などの環集合C6−18アレーン環などが例示できる。芳香族複素環としては、窒素、酸素、硫黄原子から選択された少なくとも一種のヘテロ原子を5又は6員環の構成原子として含む単環式又は縮合環式複素環、例えば、チオフェン環、フラン環、ベンゾフラン環、クロメン環、クロマン環、ピロール環、ピリジン環、ピリミジン環、インドール環、イソキノリン環、キノリン環、ナフチリジン環、カルバゾール環、イミダゾール環、ベンゾチオフェン環などが例示できる。
融点:185−186℃
1H NMR(400MHz,CDCl3):2.31(3H,s),2.36(6H,s),3.93(3H,s),5.96(2H,s),6.95(1H,s),7.01−7.02(1H,m),7.11(1H,d,J=8.0Hz),7.12−7.16(1H,m),7.37−7.38(1H,m),7.48−7.52(1H,m),7.62(1H,dd,J=1.5,8.0Hz),11.0(1H,s)
13C NMR(100MHz,CDCl3):19.7,20.9,48.1,56.1,112.5,120.2,121.5,123.0,123.2,125.5,125.6,129.7,131.6,137.7,138.1,139.5,151.9
IR(neat):1010,1250,1500,3040cm−1
HRMS(FAB)m/z(C20H23N2O(M+−Cl)について):計算値307.1810;実測値:307.1808。
融点:213−214℃
1H NMR(400MHz,CDCl3):2.01(3H,s),2.17(3H,s),2.27(3H,s),2.34(6H,s),3.82(3H,s),5.84(2H,s),6.88(2H,s),7.07(1H,d,J=8.3Hz),7.11(1H,t,J=7.8Hz),7.46−7.55(2H,m),9.51(1H,s)
13C NMR(100MHz,CDCl3):8.5,8.9,19.8,20.8,46.9,55.8,112.3,121.2,121.4,125.4,127.0,128.0,128.6,129.8,132.4,135.5,137.7,139.0,153.6
IR(neat):1020,1260,1290,1440,1500,1560,2950cm−1
HRMS(FAB)m/z(C22H17N2O(M+−Cl)について):計算値335.2123;実測値:335.2148
元素分析(C22H27ClN2O):計算値C,71.24;H,7.34;N,7.55;実測値C,71.52;H,7.55;N,7.52。
融点:222−223℃
1H NMR(400MHz,CDCl3):1.24(3H,d,J=5.9Hz),2.02(3H,s),2.21(3H,s),2.27(3H,s),2.33(6H,s),4.58−4.64(1H,m),5.83(2H,s),6.88(2H,s),7.03(1H,d,J=8.3Hz),7.06(1H,t,J=7.6Hz),7.46−7.50(2H,m),9.33(1H,s)
13C NMR(100MHz,CDCl3):8.6,9.0,20.1,20.9,21.7,47.0,71.0,113.8,120.9,122.1,125.8,127.0,128.5,128.6,129.9,132.3,135.6,137.8,139.1,152.1
IR(neat):950,1110,1130,1260,1450,1500,1550,2970cm−1
HRMS(FAB)m/z(C24H31N2O(M+−Cl)について):計算値363.2436;実測値363.2449
元素分析(C22H27ClN2O):計算値C,72.25;H,7.83;N,7.02;実測値:C,72.43;H,8.02;N,6.99。
融点:229−230℃
1H NMR(400MHz,CDCl3):2.15(6H,s),2.23(6H,s),2.25(3H,s),5.74(2H,s),6.82(2H,s),6.93(1H,d,J=8.6Hz),6.94(2H,t,J=8.5Hz),7.19(1H,t,J=7.6Hz),7.27(1H,t,J=7.6Hz),7.35(1H,d,J=8.1Hz),7.37(1H,d,J=7.8Hz),7.44−7.48(1H,m),7.77(1H,d,J=6.8Hz),9.57(1H,s)
13C NMR(100MHz,CDCl3):8.7,8.9,19.9,20.8,47.0,118.2,119.0,123.5,124.2,124.9,125.6,127.1,128.4,129.0,129.8,130.2,132.4,136.3,137.3,139.0,152.0,154.7
IR(neat):1220,1250,1490,2950cm−1
HRMS(FAB)m/z(C27H29N2O(M+−Cl)について):計算値397.2280;実測値:397.2282
元素分析(C27H29ClN2O):計算値C,74.90;H,6.75;N,6.47;実測値C,74.62;H,7.05;N,6.36。
融点:205−206℃
1H NMR(400MHz,CDCl3):2.13(3H,s),2.21(3H,s),2.27(3H,s),2.35(6H,s),3.85(3H,s),5.71(2H,s),6.90(2H,s),7.00−7.04(2H,m),7.41−7.45(2H,m),9.38(1H,s)
13C NMR(100MHz,CDCl3):8.97,9.04,20.1,20.9,46.9,55.7,115.2,125.6,125.7,127.3,127.5,127.8,129.9,135.2,137.8,139.2,161.0
IR(neat):1030,1240,1250,1510,2930cm−1
HRMS(FAB)m/z(C22H17N2O(M+−Cl)について):計算値335.2123;実測値335.2126。
融点:203−204℃
1H NMR(400MHz,CDCl3):1.20(12H,d,J=6.6Hz),1.25(6H,d,J=6.8Hz),2.07(3H,s),2.48(3H,s),2.86−2.93(1H,m),3.14−3.21(2H,m),3.77(3H,s),5.69(2H,s),7.05−7.14(2H,m),7.08(2H,s),7.49(1H,d,J=8.1Hz),7.50−7.55(1H,m),8.37(1H,s)
13C NMR(100MHz,CDCl3):8.7,9.5,23.7,24.2,29.8,34.2,44.8,55.9,112.4,121.4,121.5,122.0,122.1,127.8,128.3,129.3,132.7,133.6,148.7,151.1,153.7
IR(neat):1020,1260,1550,2960cm−1
HRMS(FAB)m/z(C28H39N2O(M+−Cl)について):計算値419.3062;実測値419.3064。
融点:212−213℃
1H NMR(400MHz,CDCl3):2.02(3H,s),2.26(3H,s),2.27(3H,s),2.38(6H,s),2.45(3H,s),5.47(1H,d,J=14.9Hz),6.03(1H,d,J=14.9Hz),6.89(2H,s),7.31(1H,d,J=8.0Hz),7.32(1H,t,J=8.0Hz),7.54(1H,dt,J=1.2,8.0Hz),7.65(1H,s,J=8.0Hz),9.14(1H,s)
13C NMR(100MHz,CDCl3):8.54,9.09,14.9,20.1,20.9,47.0,125.4,126.0,126.3,127.6,128.4,128.7,129.9,130.4,131.8,135.1,137.0,138.1,139.3
IR(neat):770,1200,1440,1560,2910cm−1
HRMS(FAB)m/z(C22H27N2S(M+−Cl)について):計算値351.1895;実測値351.1897。
融点:109−110℃
1H NMR(400MHz,CDCl3):2.16(3H,s),2.23(3H,s),2.27(3H,s),2.36(6H,s),5.74(2H,s),6.90(2H,s),7.52−7.57(5H,m),9.43(1H,s)
13C NMR(100MHz,CDCl3):8.9,9.1,20.0,20.8,46.9,125.3,125.9,127.6,127.9,129.9,130.1,130.6,133.1,134.7,137.8,139.3
IR(neat):1550,2970cm−1
HRMS(FAB)m/z(C21H25N2O(M+−Cl)について):計算値305.2018;実測値:305.2021。
融点:242−243℃
1H NMR(400MHz,CDCl3):1.13(3H,t,J=7.6Hz),1.99(3H,s),2.21(3H,s),2.27(3H,s),2.29−2.40(8H,m),5.68(1H,d,J=15.4Hz),6.06(1H,d,J=15.4Hz),6.89(2H,s),7.37−7.42(3H,m),7.50−7.54(1H,m),9.54(1H,s)
13C NMR(100MHz,CDCl3):8.5,9.0,14.4,19.9,20.7,23.5,47.1,125.4,127.5,127.6,127.8,128.1,129.79,129.81,131.3,131.4,135.2,137.6,139.1,140.1
IR(neat):1450,1560,2970cm−1
HRMS(FAB)m/z(C23H29N2(M+−Cl)について):計算値333.2331;実測値333.2326。
標記化合物を、Raders, A. M.; Kingston, J. V.; Verkade J. G. J. Org. Chem 2010, 75, 1744-1747に記載の方法に準じて合成した。反応式は以下の通りである。
融点:84−85℃
1H NMR(400MHz,CDCl3):3.85(3H,s),6.96−7.00(2H,m),7.28−7.32(1H,m),7.39−7.44(2H,m),7.51−7.57(4H,m)
13C NMR(100MHz,CDCl3):55.3,114.2,126.6,126.7,128.1,128.7,133.7,140.8,159.1
IR(neat):1030,1250,2960cm−1
HRMS(EI)m/z(C13H12O(M+)について):計算値184.0888;実測値184.0865。
実施例で得られた化合物を、パラジウム触媒に対する配位性元素を有するカップリング反応へ適用した。すなわち、標記化合物を、試験例1に準じて合成した。反応式は以下の通りである。
1H NMR(400MHz,CDCl3):3.85(3H,s),6.96−7.00(2H,m),7.28−7.32(1H,m),7.39−7.44(2H,m),7.51−7.57(4H,m)
13C NMR(100MHz,CDCl3):55.3,114.2,126.6,126.7,128.1,128.7,133.7,140.8,159.1
IR(neat):1580,3030cm−1
HRMS(EI)m/z(C11H9N(M+)について):計算値155.0735;実測値155.0727。
実施例で得られた化合物を、パラジウム触媒に対する配位性元素を有するカップリング反応へ適用した。反応式は以下の通りである。
融点:79−80℃
1H NMR(400MHz,CDCl3):1.97(3H,s),2.23(3H,s),3.80(3H,s),7.01−7.05(2H,m),7.17(1H,d,J=7.1Hz),7.39(1H,s),7.39−7.42(1H,m)
13C NMR(100MHz,CDCl3):8.3,12.7,55.4,111.8,120.5,123.8,125.4,128.3,129.7,132.9,135.5
IR(neat):1020,1220,1500cm−1
HRMS(EI)m/z(C12H14N2O(M+)について):計算値202.1106;実測値202.1083。
1H NMR(400MHz,CDCl3):1.22(6H,d,J=6.1Hz),1.99(3H,s),2.23(3H,s),4.44(1H,septet,J=6.1Hz),6.98−7.02(1H,m),7.03(1H,d,J=8.6Hz),7.15−7.17(1H,m),7.33−7.38(1H,m),7.38(1H,s)
13C NMR(100MHz,CDCl3):8.7,12.8,21.8,71.2,115.2,120.6,123.9,127.0,128.6,129.6,132.9,135.6,153.0
IR(neat):940,1120,1240,1500,2980cm−1
HRMS(EI)m/z(C14H18N2O(M+)について):計算値230.1419;実測値230.1419。
1H NMR(400MHz,CDCl3):2.05(3H,s),2.18(3H,s),6.88−6.91(2H,m),7.04(1H,dd,J=1.2,8.0Hz),7.07−7.11(1H,m),7.19(1H,dt,J=1.2,8.0Hz),7.26−7.31(3H,m),7.35−7.39(1H,m),7.41(1H,s)
13C NMR(100MHz,CDCl3):8.7,12.7,118.7,119.4,123.6,123.7,123.9,127.9,128.9,129.7,129.8,133.4,135.5,152.5,156.1
IR(neat):1220,1240,1500,2920cm−1。
HRMS(EI)m/z(C12H14N2O(M+)について):計算値264.1263;実測値264.1258。
Claims (10)
- R1が直鎖状又は分岐鎖状C1−6アルコキシ基、C5−10シクロアルコキシ基又はC6−10アリールオキシ基であり、R2及びR3が、同一又は異なる直鎖状又は分岐鎖状C1−6アルキル基であり、R4、R5及びR6が、同一又は異なる直鎖状C1−4アルキル基であり、R7が直鎖状又は分岐鎖状C1−4アルキレン基である請求項1記載の化合物。
- R1が直鎖状又は分岐鎖状C1−4アルコキシ基又はフェノキシ基であり、R2及びR3が、同一又は異なる直鎖状又は分岐鎖状C1−4アルキル基であり、R4、R5及びR6が、同一又は異なるC 1−2アルキル基であり、R7がC1−3アルキレン基である請求項1又は2記載の化合物。
- 遷移金属がパラジウムである請求項5記載の錯体。
- カップリング触媒である請求項5又は6記載の錯体。
- 遷移金属に請求項5の式(1-1)で表される化合物から誘導される配位子を配位させ、請求項5〜7のいずれかに記載の錯体を製造する方法。
- 請求項5〜7のいずれかに記載の錯体の存在下、ハロゲン原子を有する芳香族化合物と、芳香族ボロン酸とをカップリングさせ、ビスアリール化合物を製造する方法。
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