WO2010103976A1 - カルボン酸無水物の製造方法及びアリールボロン酸化合物 - Google Patents
カルボン酸無水物の製造方法及びアリールボロン酸化合物 Download PDFInfo
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- WO2010103976A1 WO2010103976A1 PCT/JP2010/053442 JP2010053442W WO2010103976A1 WO 2010103976 A1 WO2010103976 A1 WO 2010103976A1 JP 2010053442 W JP2010053442 W JP 2010053442W WO 2010103976 A1 WO2010103976 A1 WO 2010103976A1
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- Prior art keywords
- group
- alkyl group
- compound
- atom
- halogen atom
- Prior art date
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- -1 arylboronic acid compound Chemical class 0.000 title claims abstract description 151
- 150000001244 carboxylic acid anhydrides Chemical class 0.000 title claims description 54
- 238000000034 method Methods 0.000 title claims description 13
- 125000000217 alkyl group Chemical group 0.000 claims description 66
- 238000004519 manufacturing process Methods 0.000 claims description 47
- 125000005843 halogen group Chemical group 0.000 claims description 36
- 239000003054 catalyst Substances 0.000 claims description 35
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 35
- 230000018044 dehydration Effects 0.000 claims description 29
- 238000006297 dehydration reaction Methods 0.000 claims description 29
- 238000009833 condensation Methods 0.000 claims description 22
- 230000005494 condensation Effects 0.000 claims description 22
- 125000001424 substituent group Chemical group 0.000 claims description 20
- 125000005842 heteroatom Chemical group 0.000 claims description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 125000004432 carbon atom Chemical group C* 0.000 claims description 10
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 10
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 125000004437 phosphorous atom Chemical group 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 8
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 7
- 229920006395 saturated elastomer Polymers 0.000 claims description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 6
- 150000008065 acid anhydrides Chemical class 0.000 claims description 5
- 125000004105 2-pyridyl group Chemical group N1=C([*])C([H])=C([H])C([H])=C1[H] 0.000 claims description 4
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 claims description 4
- 125000000129 anionic group Chemical group 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 3
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims 1
- 150000001642 boronic acid derivatives Chemical class 0.000 claims 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 abstract description 16
- 238000010992 reflux Methods 0.000 abstract description 15
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 abstract description 14
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 abstract description 12
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 abstract description 11
- 230000003197 catalytic effect Effects 0.000 abstract description 10
- 238000010438 heat treatment Methods 0.000 abstract description 4
- OZJANVKXMUYIQC-UHFFFAOYSA-N [2-[[di(propan-2-yl)amino]methyl]phenyl]boronic acid Chemical compound CC(C)N(C(C)C)CC1=CC=CC=C1B(O)O OZJANVKXMUYIQC-UHFFFAOYSA-N 0.000 abstract description 3
- KQUNXOKTNDWVQR-UHFFFAOYSA-N [2,6-bis[[di(propan-2-yl)amino]methyl]phenyl]boronic acid Chemical compound CC(C)N(C(C)C)CC1=CC=CC(CN(C(C)C)C(C)C)=C1B(O)O KQUNXOKTNDWVQR-UHFFFAOYSA-N 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 40
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 28
- ZADPBFCGQRWHPN-UHFFFAOYSA-N boronic acid Chemical compound OBO ZADPBFCGQRWHPN-UHFFFAOYSA-N 0.000 description 25
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 24
- 239000002904 solvent Substances 0.000 description 21
- 230000000052 comparative effect Effects 0.000 description 17
- 229940126062 Compound A Drugs 0.000 description 15
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 15
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 14
- HXITXNWTGFUOAU-UHFFFAOYSA-N phenylboronic acid Chemical compound OB(O)C1=CC=CC=C1 HXITXNWTGFUOAU-UHFFFAOYSA-N 0.000 description 12
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 12
- 239000011541 reaction mixture Substances 0.000 description 12
- 239000000243 solution Substances 0.000 description 12
- JNGZXGGOCLZBFB-IVCQMTBJSA-N compound E Chemical compound N([C@@H](C)C(=O)N[C@@H]1C(N(C)C2=CC=CC=C2C(C=2C=CC=CC=2)=N1)=O)C(=O)CC1=CC(F)=CC(F)=C1 JNGZXGGOCLZBFB-IVCQMTBJSA-N 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 10
- 239000010410 layer Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 238000004440 column chromatography Methods 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 8
- 229910000071 diazene Inorganic materials 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 7
- 239000012043 crude product Substances 0.000 description 7
- 239000000741 silica gel Substances 0.000 description 7
- 229910002027 silica gel Inorganic materials 0.000 description 7
- 150000000000 tetracarboxylic acids Chemical class 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- BKIMMITUMNQMOS-UHFFFAOYSA-N nonane Chemical compound CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 5
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 description 5
- 150000008064 anhydrides Chemical class 0.000 description 5
- 238000009835 boiling Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 4
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 4
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 125000005620 boronic acid group Chemical group 0.000 description 4
- RAABOESOVLLHRU-UHFFFAOYSA-N diazene Chemical class N=N RAABOESOVLLHRU-UHFFFAOYSA-N 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 4
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 4
- HSYMWXREIPJGHX-UHFFFAOYSA-N 2-bromo-1,3-bis(bromomethyl)benzene Chemical compound BrCC1=CC=CC(CBr)=C1Br HSYMWXREIPJGHX-UHFFFAOYSA-N 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003377 acid catalyst Substances 0.000 description 3
- 150000001543 aryl boronic acids Chemical class 0.000 description 3
- 125000002843 carboxylic acid group Chemical group 0.000 description 3
- 239000007810 chemical reaction solvent Substances 0.000 description 3
- 238000006482 condensation reaction Methods 0.000 description 3
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 3
- 239000003480 eluent Substances 0.000 description 3
- OAYLNYINCPYISS-UHFFFAOYSA-N ethyl acetate;hexane Chemical compound CCCCCC.CCOC(C)=O OAYLNYINCPYISS-UHFFFAOYSA-N 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 125000001153 fluoro group Chemical group F* 0.000 description 3
- 239000002198 insoluble material Substances 0.000 description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 239000002808 molecular sieve Substances 0.000 description 3
- 150000002825 nitriles Chemical class 0.000 description 3
- IOQPZZOEVPZRBK-UHFFFAOYSA-N octan-1-amine Chemical compound CCCCCCCCN IOQPZZOEVPZRBK-UHFFFAOYSA-N 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 description 3
- 125000004076 pyridyl group Chemical group 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 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
- QSAWQNUELGIYBC-PHDIDXHHSA-N (1r,2r)-cyclohexane-1,2-dicarboxylic acid Chemical compound OC(=O)[C@@H]1CCCC[C@H]1C(O)=O QSAWQNUELGIYBC-PHDIDXHHSA-N 0.000 description 2
- ASJCSAKCMTWGAH-RFZPGFLSSA-N (1r,2r)-cyclopentane-1,2-dicarboxylic acid Chemical compound OC(=O)[C@@H]1CCC[C@H]1C(O)=O ASJCSAKCMTWGAH-RFZPGFLSSA-N 0.000 description 2
- QSAWQNUELGIYBC-OLQVQODUSA-N (1s,2r)-cyclohexane-1,2-dicarboxylic acid Chemical compound OC(=O)[C@H]1CCCC[C@H]1C(O)=O QSAWQNUELGIYBC-OLQVQODUSA-N 0.000 description 2
- RKMGAJGJIURJSJ-UHFFFAOYSA-N 2,2,6,6-tetramethylpiperidine Chemical compound CC1(C)CCCC(C)(C)N1 RKMGAJGJIURJSJ-UHFFFAOYSA-N 0.000 description 2
- 125000004493 2-methylbut-1-yl group Chemical group CC(C*)CC 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 239000004805 Cyclohexane-1,2-dicarboxylic acid Substances 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- PCLIMKBDDGJMGD-UHFFFAOYSA-N N-bromosuccinimide Chemical compound BrN1C(=O)CCC1=O PCLIMKBDDGJMGD-UHFFFAOYSA-N 0.000 description 2
- RFFFKMOABOFIDF-UHFFFAOYSA-N Pentanenitrile Chemical compound CCCCC#N RFFFKMOABOFIDF-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric Acid Chemical compound [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 2
- 150000003973 alkyl amines Chemical class 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 2
- 150000004982 aromatic amines Chemical class 0.000 description 2
- 235000010290 biphenyl Nutrition 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 125000006267 biphenyl group Chemical group 0.000 description 2
- 238000007036 catalytic synthesis reaction Methods 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- 125000004093 cyano group Chemical group *C#N 0.000 description 2
- QSAWQNUELGIYBC-UHFFFAOYSA-N cyclohexane-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCCCC1C(O)=O QSAWQNUELGIYBC-UHFFFAOYSA-N 0.000 description 2
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
- ASJCSAKCMTWGAH-UHFFFAOYSA-N cyclopentane-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCCC1C(O)=O ASJCSAKCMTWGAH-UHFFFAOYSA-N 0.000 description 2
- 125000001142 dicarboxylic acid group Chemical group 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006345 epimerization reaction Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 description 2
- 238000004896 high resolution mass spectrometry Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 2
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 2
- VHAMYBUAKRRNRQ-UHFFFAOYSA-N n-[[2-bromo-3-[[di(propan-2-yl)amino]methyl]phenyl]methyl]-n-propan-2-ylpropan-2-amine Chemical compound CC(C)N(C(C)C)CC1=CC=CC(CN(C(C)C)C(C)C)=C1Br VHAMYBUAKRRNRQ-UHFFFAOYSA-N 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
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
- FDPIMTJIUBPUKL-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 description 2
- 125000003538 pentan-3-yl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 125000006158 tetracarboxylic acid group Chemical group 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 description 2
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 2
- BZXQRXJJJUZZAJ-UHFFFAOYSA-N (2,4,6-trimethylphenyl)boronic acid Chemical compound CC1=CC(C)=C(B(O)O)C(C)=C1 BZXQRXJJJUZZAJ-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- BMVXCPBXGZKUPN-UHFFFAOYSA-N 1-hexanamine Chemical compound CCCCCCN BMVXCPBXGZKUPN-UHFFFAOYSA-N 0.000 description 1
- KWVPRPSXBZNOHS-UHFFFAOYSA-N 2,4,6-Trimethylaniline Chemical compound CC1=CC(C)=C(N)C(C)=C1 KWVPRPSXBZNOHS-UHFFFAOYSA-N 0.000 description 1
- NNGXNALKPNFUQS-UHFFFAOYSA-N 2-(2-bromophenyl)pyridine Chemical compound BrC1=CC=CC=C1C1=CC=CC=N1 NNGXNALKPNFUQS-UHFFFAOYSA-N 0.000 description 1
- 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 1
- ICSNLGPSRYBMBD-UHFFFAOYSA-N 2-aminopyridine Chemical compound NC1=CC=CC=N1 ICSNLGPSRYBMBD-UHFFFAOYSA-N 0.000 description 1
- MYMYVYZLMUEVED-UHFFFAOYSA-N 2-bromo-1,3-dimethylbenzene Chemical compound CC1=CC=CC(C)=C1Br MYMYVYZLMUEVED-UHFFFAOYSA-N 0.000 description 1
- OAMPZQBTXRQKCX-UHFFFAOYSA-N 2-bromo-1-(bromomethyl)-3-methylbenzene Chemical compound CC1=CC=CC(CBr)=C1Br OAMPZQBTXRQKCX-UHFFFAOYSA-N 0.000 description 1
- SIZYXYRNXJSAON-UHFFFAOYSA-N 2-bromo-5-fluoro-1,3-dimethylbenzene Chemical compound CC1=CC(F)=CC(C)=C1Br SIZYXYRNXJSAON-UHFFFAOYSA-N 0.000 description 1
- HAIGIJCTBFVMEP-UHFFFAOYSA-N 2-bromo-5-tert-butyl-1,3-dimethylbenzene Chemical compound CC1=CC(C(C)(C)C)=CC(C)=C1Br HAIGIJCTBFVMEP-UHFFFAOYSA-N 0.000 description 1
- 125000003349 3-pyridyl group Chemical group N1=C([H])C([*])=C([H])C([H])=C1[H] 0.000 description 1
- NFFHADOBVLBXJN-UHFFFAOYSA-N 4-phenylbutanoic acid Chemical compound OC(=O)CCCC1=CC=CC=C1.OC(=O)CCCC1=CC=CC=C1 NFFHADOBVLBXJN-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 0 CCN1C(*)(*)CCCC1(C)* Chemical compound CCN1C(*)(*)CCCC1(C)* 0.000 description 1
- WWZKQHOCKIZLMA-UHFFFAOYSA-N Caprylic acid Natural products CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 description 1
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- PCNDJXKNXGMECE-UHFFFAOYSA-N Phenazine Natural products C1=CC=CC2=NC3=CC=CC=C3N=C21 PCNDJXKNXGMECE-UHFFFAOYSA-N 0.000 description 1
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- GONOPSZTUGRENK-UHFFFAOYSA-N benzyl(trichloro)silane Chemical compound Cl[Si](Cl)(Cl)CC1=CC=CC=C1 GONOPSZTUGRENK-UHFFFAOYSA-N 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 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 1
- NISGSNTVMOOSJQ-UHFFFAOYSA-N cyclopentanamine Chemical compound NC1CCCC1 NISGSNTVMOOSJQ-UHFFFAOYSA-N 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 125000006159 dianhydride group Chemical group 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 229940043279 diisopropylamine Drugs 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 239000004210 ether based solvent Substances 0.000 description 1
- UREBWPXBXRYXRJ-UHFFFAOYSA-N ethyl acetate;methanol Chemical compound OC.CCOC(C)=O UREBWPXBXRYXRJ-UHFFFAOYSA-N 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- UBJFKNSINUCEAL-UHFFFAOYSA-N lithium;2-methylpropane Chemical compound [Li+].C[C-](C)C UBJFKNSINUCEAL-UHFFFAOYSA-N 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N n-hexanoic acid Natural products CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- MCSAJNNLRCFZED-UHFFFAOYSA-N nitroethane Chemical compound CC[N+]([O-])=O MCSAJNNLRCFZED-UHFFFAOYSA-N 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 150000003022 phthalic acids Chemical class 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
- 125000005412 pyrazyl group Chemical group 0.000 description 1
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical compound C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 description 1
- 125000005495 pyridazyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 150000004992 toluidines Chemical class 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
- NHDIQVFFNDKAQU-UHFFFAOYSA-N tripropan-2-yl borate Chemical compound CC(C)OB(OC(C)C)OC(C)C NHDIQVFFNDKAQU-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/89—Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/44—Iso-indoles; Hydrogenated iso-indoles
- C07D209/48—Iso-indoles; Hydrogenated iso-indoles with oxygen atoms in positions 1 and 3, e.g. phthalimide
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/93—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems condensed with a ring other than six-membered
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
-
- 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
- C07F5/025—Boronic and borinic acid compounds
Definitions
- the present invention relates to a method for producing a carboxylic acid anhydride and an aryl boronic acid compound that can be used as a catalyst for the method.
- Patent Document 1 reports a method of producing phthalic anhydrides by dehydrating phthalic acids in an inert solvent in the presence of a catalytic amount of an acidic compound. Yes.
- paratoluenesulfonic acid p-TsOH
- trifluoromethanesulfonic acid polyphosphoric acid
- sulfuric acid and the like can be used.
- phthalic anhydride is obtained at a yield of 95% by dehydrating and refluxing phthalic acid in toluene in the presence of a catalytic amount of p-TsOH.
- the present invention has been made to solve such problems, and not only cyclic carboxylic acid anhydrides but also aromatic carboxylic acid anhydrides and chain-like ⁇ , ⁇ -position carbons are saturated under mild acidic conditions. It is intended to produce an aliphatic carboxylic acid anhydride.
- the present inventors have used phthalic acid in heptane in a catalytic amount of an aryl boronic acid compound (for example, 2- (diisopropylaminomethyl) phenylboronic acid or 2,6-bis (diisopropylaminomethyl). It has been found that phthalic anhydride can be obtained in high yield by dehydrating and refluxing in the presence of) phenylboronic acid), and the present invention has been completed.
- an aryl boronic acid compound for example, 2- (diisopropylaminomethyl) phenylboronic acid or 2,6-bis (diisopropylaminomethyl.
- the method for producing a carboxylic acid anhydride of the present invention comprises producing a cyclic carboxylic acid anhydride by intramolecular dehydration condensation of a dicarboxylic acid compound or an aromatic carboxylic acid anhydride by intermolecular dehydration condensation of two carboxylic acid compounds.
- An aryl boronic acid compound having a hetero atom-containing substituent in which a nitrogen atom or a phosphorus atom having no atom is bonded is used.
- the method for producing an imide compound of the present invention is a method for producing an imide compound in which a dicarboxylic acid compound and a primary amine compound are reacted to produce a cyclic imide compound, and as a catalyst, at one or both ortho positions, An aryl boronic acid compound having a hetero atom-containing substituent in which a nitrogen atom or a phosphorus atom not having a hydrogen atom is bonded through one carbon atom is used.
- the aryl boronic acid compound of the present invention has —CH 2 NR 1 R 2 (R 1 and R 2 are each independently an alkyl group, an alkyl group having a cycloalkyl group, an alkyl group having a halogen atom, A cycloalkyl group, a cycloalkyl group having an alkyl group, a cycloalkyl group having a halogen atom, or R 1 and R 2 are bonded to each other to form a nitrogen-containing heterocycle as N R 1 R 2. Or it has a 5-membered or 6-membered nitrogen-containing aromatic group in both ortho positions.
- carboxylic acid anhydride production method of the present invention not only cyclic carboxylic acid anhydrides but also aromatic carboxylic acid anhydrides and fatty acids in which chain ⁇ - and ⁇ -position carbons are saturated under mild acidic conditions.
- a group carboxylic acid anhydride can be produced.
- a cyclic imide compound can be produced in one step under mild acidic conditions.
- the aryl boronic acid compound of the present invention can produce a cyclic carboxylic acid anhydride by intramolecular dehydration condensation of a dicarboxylic acid compound, or an aromatic carboxylic acid anhydride or chain-like by intermolecular dehydration condensation of two carboxylic acid compounds. It is suitable as a catalyst for producing an aliphatic carboxylic acid anhydride in which carbons at ⁇ and ⁇ positions are saturated.
- the carboxylic acid anhydride can be produced under mild acidic conditions, and the reason is considered as follows (see the following formula).
- 2- (dialkylaminomethyl) phenylboronic acid is exemplified as the aryl boronic acid compound
- alkanoic acid is exemplified as the carboxylic acid.
- the carboxylic acid is activated by forming a mixed acid anhydride of an aryl boronic acid compound and a carboxylic acid-aryl boronic acid (step 1).
- the carboxylic acid of another molecule is activated by forming a salt with the amino group of the arylboronic acid compound, while reacting with the carboxylic acid of the mixed acid anhydride, Carboxylic anhydride is formed (Step 2).
- a cyclic imide compound is produced in one step, after the carboxylic acid anhydride is formed in Step 2, the carboxylic acid anhydride reacts with a primary amine in the system to form an imide compound. I guess.
- the method for producing a carboxylic acid anhydride comprises producing a cyclic carboxylic acid anhydride by intramolecular dehydration condensation of a dicarboxylic acid compound or an aromatic carboxylic acid anhydride or chain by intermolecular dehydration condensation of two carboxylic acid compounds.
- a carbon atom at the ⁇ - and ⁇ -positions is saturated and a hydrogen atom is attached to one or both ortho-positions as a catalyst via one carbon atom.
- An arylboronic acid compound having a heteroatom-containing substituent to which a nitrogen atom or a phosphorus atom that is not present is bonded is used.
- the dicarboxylic acid compound that performs intramolecular dehydration condensation is a compound having at least one dicarboxylic acid structure in which a carboxylic acid group is bonded to each of two carbons, and examples thereof include a dicarboxylic acid compound and a tetracarboxylic acid compound. It is done.
- examples of the dicarboxylic acid compound include phthalic acid, cyclohexane-1,2-dicarboxylic acid, and cyclopentane-1,2-dicarboxylic acid.
- Examples of the tetracarboxylic acid compound include benzene-1, Examples include 2,4,5-tetracarboxylic acid (pyromellitic acid) and diphenyl ether-3,3 ′, 4,4′-tetracarboxylic acid.
- examples of the aromatic carboxylic acid compound that performs intermolecular dehydration condensation include benzoic acid, and examples of the aliphatic carboxylic acid compound in which the chain ⁇ - and ⁇ -position carbons are saturated include butanoic acid and pentanoic acid. And hexanoic acid.
- Such aromatic carboxylic acid compounds and aliphatic carboxylic acid compounds may have a substituent such as an aryl group, a cycloalkyl group, a nitro group, a cyano group, or a halogen.
- a carboxylic acid compound it is preferable to use a carboxylic acid compound having a boiling point of 160 ° C. or higher in order to allow the reaction to proceed efficiently.
- the method for producing an imide compound of the present invention is a method for producing an imide compound in which a dicarboxylic acid compound and a primary amine compound are reacted to produce a cyclic imide compound, and as a catalyst, at one or both ortho positions, An aryl boronic acid compound having a hetero atom-containing substituent in which a nitrogen atom or a phosphorus atom not having a hydrogen atom is bonded through one carbon atom is used.
- the dicarboxylic acid compound is a compound having at least one dicarboxylic acid structure in which a carboxylic acid group is bonded to each of two carbons, and examples thereof include a dicarboxylic acid compound and a tetracarboxylic acid compound.
- examples of the dicarboxylic acid compound include phthalic acid, cyclohexane-1,2-dicarboxylic acid, and cyclopentane-1,2-dicarboxylic acid.
- examples of the tetracarboxylic acid compound include benzene-1, Examples include 2,4,5-tetracarboxylic acid (pyromellitic acid) and diphenyl ether-3,3 ′, 4,4′-tetracarboxylic acid.
- Examples of the primary amine compound include arylamine, alkylamine, and cycloalkylamine. Examples of the arylamine include aniline, toluidine, dimethylaniline, cumenylamine, mesitylamine, pyridinylamine and the like.
- alkylamine examples include amines having an alkyl group having 1 to 10 carbon atoms such as n-hexylamine and n-octylamine.
- cycloalkylamine examples include cyclopentylamine and cyclohexylamine.
- the heteroatom-containing substituent that the aryl boronic acid compound has is —CH 2 NR 1 R 2 (R 1 and R 2 are each independently alkyl group, an alkyl group having a cycloalkyl group, an alkyl group, a cycloalkyl group, a nitrogen-containing hetero as NR 1 R 2 attached cycloalkyl group or together with a cycloalkyl group or a halogen atom having an alkyl group having a halogen atom Forming a ring) is preferred.
- examples of the alkyl group include methyl group, ethyl group, propyl group, isopropyl group, n-butyl group, isobutyl group, sec-butyl group, tert-butyl group, 2-methyl-1-butyl group, n-amyl group.
- examples of the cycloalkyl group include a cyclopropyl group, a cyclopentyl group, a cyclohexyl group, and a cycloheptyl group.
- the nitrogen-containing heterocycle includes nitrogen-containing aromatic compounds such as pyridine, N-alkylimidazole, pyrimidine, pyridazine, pyrazine, and piperidine. Examples thereof include nitrogen alicyclic compounds, among which nitrogen-containing aromatic compounds are preferable, and pyridine is more preferable.
- Such a nitrogen-containing heterocycle may have a substituent such as an alkyl group, a cycloalkyl group, an aryl group, a nitro group, a cyano group, or a halogen atom on the ring.
- the heteroatom-containing substituent that the aryl boronic acid compound has is represented by the following formula (1) (R 6 to R 9 are each independently an alkyl group). Or an alkyl group having a halogen atom), and R 6 to R 9 are preferably all the same alkyl group.
- the carboxylic acid anhydride can be obtained in a high yield even with a small amount of catalyst (for example, 1 mol%).
- alkyl group examples include methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, 2-methyl-1-butyl, n-amyl, sec -Amyl group, isoamyl group, tert-amyl group, neopentyl group, 3-pentyl group and the like are mentioned, among which methyl group is particularly preferable.
- the halogen atom examples include a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom.
- the heteroatom-containing substituent that the aryl boronic acid compound has is —CH 2 Z + R 3 R 4 R 5 X ⁇ (Z is a nitrogen atom)
- R 3 to R 5 each independently have an alkyl group, an alkyl group having a cycloalkyl group, an alkyl group having a halogen atom, a cycloalkyl group, a cycloalkyl group having an alkyl group, or a halogen atom.
- a cycloalkyl group and X is an anionic group.
- alkyl group the cycloalkyl group, and the halogen atom
- those already exemplified can be used, and the description thereof is omitted here.
- an anionic group For example, a fluorine ion, a chlorine ion, a bromine ion, an iodine ion etc. are mentioned.
- the aryl boronic acid compound may have such a heteroatom-containing substituent only at one ortho position, but at both ortho positions. It is preferable to have.
- the hetero atom-containing substituent is present at both ortho positions, the two hetero atom-containing substituents may be the same or different.
- the aryl boronic acid compound is substituted on a benzene ring (for example, a halogen atom, an alkyl group, a nitro group, an alkyl group having a halogen atom, etc.). You may have. Such substituents are preferably in the para position on the benzene ring.
- a halogen atom and the alkyl group those already exemplified can be used, and the description thereof is omitted here.
- the amount of the arylboronic acid compound used is preferably 0.5 to 50 mol%, more preferably 1 to 10 mol%, relative to 1 mol of the carboxy group. .
- the reaction solvent is not particularly limited as long as it does not affect intramolecular dehydration condensation or intermolecular dehydration condensation.
- hydrocarbon solvents and nitriles are used.
- a system solvent, a nitro solvent, an ether solvent, and an amide solvent are preferable, and a nitrile solvent is particularly preferable.
- the hydrocarbon solvent include hexane, heptane, octane, nonane, toluene, xylene and the like.
- the nitrile solvent include butyronitrile and propionitrile.
- nitro solvent examples include nitromethane and nitroethane.
- ether solvents examples include anisole and dioxane.
- amide solvents examples include N, N-dimethylformamide (DMF) and N-methylpyrrolidone (NMP). Moreover, you may use these mixed solvents.
- the reaction temperature may be appropriately set in consideration of the reaction rate, the ratio of by-products, etc., for example, in the range of 20 to 200 ° C. It is preferable to set, and it is more preferable to set in the range of 60 to 160 ° C.
- water is generated together with the carboxylic acid anhydride, but it is preferable to efficiently perform dehydration in order to improve the yield of the carboxylic acid anhydride.
- the reaction temperature to the reflux temperature of the solvent (that is, the boiling point) and dehydrate and heat to reflux. This is the same for the method for producing an imide compound.
- the reaction time may be appropriately set according to the reaction substrate, reaction temperature, etc., but is usually from several minutes to several tens of hours. Intramolecular dehydration condensation or intermolecular dehydration condensation may be performed until the reaction substrate is completely consumed. However, if the disappearance rate of the reaction substrate becomes extremely slow as the reaction proceeds, the reaction substrate is completely consumed. Even if not, it may be preferable to terminate the reaction and take out the carboxylic acid anhydride. This is the same for the method for producing an imide compound.
- a generally known isolation method may be applied to isolate the target carboxylic acid anhydride or imide compound.
- the target carboxylic acid anhydride or imide compound can be isolated by concentrating the reaction solvent in the reaction mixture under reduced pressure and then purifying it by column chromatography or recrystallization.
- the aryl boronic acid compound of the present invention has —CH 2 NR 1 R 2 (R 1 and R 2 are each independently an alkyl group, an alkyl group having a cycloalkyl group, an alkyl group having a halogen atom, A cycloalkyl group, a cycloalkyl group having an alkyl group, a cycloalkyl group having a halogen atom, or R 1 and R 2 are bonded to each other to form a nitrogen-containing heterocycle as N R 1 R 2. Or it has a 5-membered or 6-membered nitrogen-containing aromatic group in both ortho positions.
- —CH 2 NR 1 R 2 is as described above, and a diisopropylaminomethyl group or a trioctylammonium methyl group is preferable.
- the 5-membered or 6-membered nitrogen-containing aromatic group include a pyridyl group, a pyrimidyl group, a pyridazyl group, a pyrazyl group, and an N-alkylimidazole group, but a pyridyl group, particularly a 2-pyridyl group, or N -Alkylimidazole groups are preferred.
- Such aryl boronic acid compounds may have a halogen atom, an alkyl group or an alkyl group having a halogen atom on the benzene ring.
- halogen atom and the alkyl group those already exemplified can be used, and therefore the description thereof is omitted here.
- the —CH 2 NR 1 R 2 is preferably a group represented by the above formula (1) (R 6 to R 9 are as already exemplified).
- Example 1 In a 20 mL flask, phthalic acid (2.5 mmol), 2,6-bis (diisopropylaminomethyl) phenylboronic acid (hereinafter referred to as “boronic acid compound A”, 0.25 mol) as an arylboronic acid catalyst, and heptane (10 mL) as a solvent And a column (small Soxhlet extractor) packed with dried molecular sieves 3A (about 3 g) was attached. This solution was dehydrated and heated to reflux for 12 hours and then allowed to cool to room temperature.
- boronic acid compound A 2,6-bis (diisopropylaminomethyl) phenylboronic acid
- heptane 10 mL
- a column small Soxhlet extractor
- Example 2 to 9 Comparative Examples 1 to 4
- phthalic anhydrides were produced according to the conditions in Table 1 according to Example 1. The results are shown in Table 1. Table 1 also shows the results of Example 1. As is apparent from Table 1, in the case of no catalyst, phthalic anhydride cannot be obtained when low boiling point heptane is used as a solvent (Comparative Example 1), and when high boiling nonane is used as a solvent, phthalic anhydride is The yield was as low as 12% (Comparative Example 2).
- Phenylboronic acid having a 2-pyridyl group at one ortho position (hereinafter referred to as “boronic acid compound D”) as a catalyst as in Example 8, or one as a catalyst as in Example 9.
- Phenylboronic acid in which an ammonium salt having no hydrogen atom is bonded to the ortho position of one via a carbon atom (Tetrahedron, 1999, vol.55, p2857-2864.Tetrahedron, 1996, vol.52, p12931- Phthalic anhydride was also obtained in a high yield.
- the chemical shift (ppm) of 1 H NMR is as follows: trans-cyclopentane-1,2-dicarboxylic acid: ⁇ 2.9-3.15 (m, 2H), its anhydride (cis-carboxylic acid anhydride): ⁇ 3.5-3.7 (m, 2H), cis-cyclohexane-1,2-dicarboxylic acid: ⁇ 2.66 (m, 2H), its anhydride: ⁇ 3.33 (m, 2H), trans-cyclohexane- 1,2-dicarboxylic acid: ⁇ 2.66 (m, 2H), its anhydride (cis-carboxylic acid anhydride): ⁇ 3.33 (m, 2H), pyromellitic acid: ⁇ 7.90 (s, 2H), The monoanhydride; ⁇ 8.25 (s, 2H), the dianhydride: ⁇ 8.72 (s, 2H).
- trans-cyclohexane-1,2-dicarboxylic acid when used as a reaction substrate, when the catalyst is boronic acid compound A, as described above, epimerization is performed from trans to cis, followed by intramolecular dehydration condensation, and the corresponding cis Type carboxylic acid anhydride was obtained in a high yield of 95% (Example 12), but when the catalyst was p-TsOH, such cis type carboxylic acid anhydride was hardly obtained (Comparative Example 7). . From these results, it was found that the boronic acid compound A is particularly useful when a trans-1,2-dicarboxylic acid compound is used as a reaction substrate.
- pyromellitic acid benzene-1,2,4,5-tetracarboxylic acid
- pyromellitic anhydride which is a raw material for heat-resistant polyimide
- pyromellitic anhydride is quantitative when the catalyst is boronic acid compound A.
- Example 13 but when the catalyst was p-TsOH, pyromellitic anhydride was obtained only in a low yield (Comparative Example 8).
- Example 14 to 16 and Comparative Examples 9 and 10 carboxylic acid anhydrides were produced by intermolecular dehydration condensation of 4-phenylbutanoic acid (4-phenylbutyric acid) under the conditions in Table 3 according to Example 1. . As is apparent from Table 3, when no catalyst was used, no carboxylic acid anhydride was obtained (Comparative Example 9), but when p-TsOH was used as the catalyst, the yield of carboxylic acid anhydride was 18%. (Comparative Example 10).
- boronic acid compound A as a catalyst, phenylboronic acid having a diisopropylaminomethyl group at the ortho position (described above), and 2,2,6,6-tetramethylpiperazinylmethyl group at the ortho position
- phenylboronic acid see WO2004-113351
- the carboxylic acid anhydride is 18 to 22% in yield and equivalent to p-TsOH, although it is milder than p-TsOH. Obtained (Examples 14 to 16).
- Boronic acid compound A was synthesized as follows. That is, 2-bromo-1,3-dimethylbenzene (Polyhedron, 2002, vol. 21, p2827-2834.) (60 mmol), carbon tetrachloride (350 mL), N-bromosuccinimide (126 mmol) and Benzoyl peroxide (purity 75%, 1.8 mmol) was sequentially added, and the mixture was heated to reflux for 24 hours. The reaction mixture was concentrated under reduced pressure, the residue was dissolved in chloroform, and the insoluble material was filtered off. The filtrate was washed twice with water, and the aqueous layers were combined and extracted again with chloroform.
- Boronic acid compound B is obtained from 2-bromo-5-tert-butyl-1,3-dimethylbenzene (J. Org. Chem., 2003, vol.68, p6071-6078.) By the same procedure as boronic acid compound A. Synthesized (total yield 22%). The structure of boronic acid compound B was identified by 1 H NMR and 13 C NMR.
- Boronic acid compound C was synthesized from 2-bromo-5-fluoro-1,3-dimethylbenzene (Bull. Chem. Soc. Jpn., Vol. 74, 2207-2218.) By the same procedure as boronic acid compound A. (Total yield 11%). The structure of boronic acid compound C was identified by 1 H NMR and 13 C NMR.
- Boronic acid compound D was synthesized as follows. That is, 2- (2-bromophenyl) pyridine (J. Am. Chem. Soc., 2006, vol. 128, p6790-6791.) (4.0 mmol) (4.0 mmol) and toluene as a solvent were placed in a 50 mL flask filled with dry nitrogen. (6.4 mL) and tetrahydrofuran (1.6 mL) were added and cooled to -78 ° C. To this solution was added dropwise a 1.5M hexane solution of butyllithium (3.1 mL, 4.8 mmol), and the mixture was stirred at ⁇ 78 ° C.
- Examples 21 to 27 To a 20 mL flask was added phthalic acid (2.5 mmol), an arylboronic acid catalyst (0.025 mmol, 1 mol%) and a solvent (10 mL) shown in Table 4, and a column filled with dried molecular sieve 3A (about 3 g) ( A small Soxhlet extractor was installed. This solution was dehydrated and heated to reflux for 12 hours and then allowed to cool to room temperature. Thereafter, the solvent was distilled off under reduced pressure, and the obtained crude product was analyzed by 1 H NMR (DMSO-d 6 ) to calculate the yield. The results are shown in Table 4.
- Example 28 to 32 The synthesis of tetracarboxylic dianhydride as a raw material for polyimide resin synthesis was studied. Specifically, in accordance with Examples 21 to 27, the dehydration condensation reaction of tetracarboxylic acid (2.5 mmol) shown in Table 5 in the presence of boronic acid compound E (0.025 mmol, 1 mol%) was conducted with butyronitrile ( 10 mL). The reaction mixture was allowed to cool to room temperature, 50 mL of pentane was added, and the precipitated solid was purified by filtration to obtain the target tetracarboxylic dianhydride. In Example 32, not the isolated yield but the conversion yield by analysis using 1 H NMR was determined. The results are shown in Table 5.
- Example 33 As a model reaction for polyimide synthesis, catalytic synthesis of diimide compounds was investigated. Specifically, according to the procedures of Examples 21 to 27, tetracarboxylic acid (2.5 mmol) and aniline (6. 6) shown in Table 6 in the presence of boronic acid compound E (0.025 mmol, 1 mol%). The reaction with 3 mmol) was carried out in butyronitrile (10 mL). The reaction mixture was allowed to cool to room temperature, and the precipitated solid was purified by filtration to obtain the target diimide compound (run 1, yield 98% in Table 6).
- Example 34 As shown in the following formula, catalytic synthesis of a diimide compound was examined using tetracarboxylic acid and n-octylamine (2 equivalents). Specifically, tetracarboxylic acid (2.5 mmol), n-octylamine (5.0 mmol, 2 equivalents), aryl boronic acid catalyst (0.025 mmol, 1 mol%) and butyronitrile (10 mL) were added to a 20 mL flask. A column (small Soxhlet extractor) packed with dried molecular sieves 3A (about 3 g) was attached. This solution was dehydrated and heated to reflux for 12 hours and then allowed to cool to room temperature.
- tetracarboxylic acid 2.5 mmol
- n-octylamine 5.0 mmol, 2 equivalents
- aryl boronic acid catalyst 0.025 mmol, 1 mol
- butyronitrile 10 mL
- the reaction solvent was distilled off under reduced pressure, and the residue was purified by column chromatography (silica gel, hexane-ethyl acetate 5: 1 ⁇ 3: 1 ⁇ 1: 1) to obtain diimide. Yield 1.29 g (2.43 mmol, 97% yield).
- the spectrum data of the obtained diimide are as follows.
- Example 35 The synthesis of amide carboxylic acids was studied. Specifically, according to Examples 21 to 27, dehydration of benzene-1,2,4,5-tetracarboxylic acid (2.5 mmol) in the presence of boronic acid compound E (0.025 mmol, 1 mol%). A condensation reaction was carried out. The reaction mixture was allowed to cool to room temperature, aniline (7.5 mmol, 3 equivalents) was added, and the mixture was stirred at room temperature for 3 hr. The precipitated solid was purified by filtration to obtain the desired amide carboxylic acid as a 1: 1 isomer mixture. If this amidecarboxylic acid is further subjected to dehydration condensation, it can be derived into a diimide compound.
- Example 36 and 37 cyclic 1,2-dicarboxylic acid was converted to the corresponding carboxylic anhydride in high yield.
- the reaction of trans-1,2-dicarboxylic acid in Example 37 proceeded with stereochemical isomerization to give a cis carboxylic anhydride.
- the yield in Example 36 dropped to about half, and in Example 37, the reaction did not proceed at all.
- chained 1,2-dicarboxylic acid was also converted into the corresponding cyclic carboxylic acid anhydride in high yield.
- Example 40 since the reactivity of the chain 1,3-dicarboxylic acid is relatively low, dehydration heating reflux is performed in valeronitrile having a high boiling point, and the reaction is performed for 24 hours, whereby the corresponding cyclic carboxylic acid anhydride is obtained. The yield was 73%.
- the reactivity of the 1,3-dicarboxylic acid used in Example 41 is much higher than that of the chain 1,3-dicarboxylic acid of Example 40, and the reaction is carried out for 12 hours by dehydrating and refluxing in propionitrile. Converted to the corresponding spiro anhydride in 99% yield.
- Boronic acid compound E which is a highly active catalyst, was synthesized as follows. That is, 2-bromo-1,3-bis (bromomethyl) benzene (6.65 mmol), potassium carbonate (14.6 mmol), potassium iodide (1.33 mmol) and 2,2,6,6-tetramethylpiperidine ( A solution of 14.6 mmol) in 3-pentanone (13 mL) was heated to reflux for 48 hours. The reaction mixture was allowed to cool to room temperature, the precipitated solid was removed by filtration, and the filtrate was concentrated under reduced pressure. The residue was dissolved in chloroform and washed with water (twice), and then the aqueous layer was extracted with chloroform.
- Example 45 The boronic acid compound used as a catalyst in Example 22 was synthesized from 2-bromo-1- (bromomethyl) -3-methylbenzene according to Example 44.
- the spectrum data of the obtained boronic acid compound are as follows.
- Example 46 The boronic acid compound used as a catalyst in Example 26 was synthesized as follows. That is, a mixture of boronic acid compound E (0.50 mmol), nitric acid (0.82 mL, 19.5 mmol) and sulfuric acid (1.07 mL, 20 mmol) was stirred at 80 ° C. for 10 hours. The reaction mixture was allowed to cool to room temperature, and the pH was adjusted to about 12 by adding aqueous sodium hydroxide solution, and the mixture was extracted with ethyl acetate (twice). The organic layer was dried over sodium sulfate and concentrated under reduced pressure.
- the resulting component organism was purified by column chromatography (NH silica gel, eluent: hexane: ethyl acetate 10: 1 ⁇ 3: 1) to obtain the desired boronic acid compound (94 mg, 40% yield).
- the spectrum data of the obtained boronic acid compound are as follows.
- Example 47 The boronic acid compound used as a catalyst in Example 24 was synthesized using boronic acid compound A instead of boronic acid compound E in Example 46.
- the present invention can be used mainly in the pharmaceutical and chemical industries, for example, when producing various carboxylic acid anhydrides used as raw materials for heat-resistant polyimides as well as intermediates for pharmaceuticals, agricultural chemicals and cosmetics. Can do.
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Abstract
Description
20mLのフラスコにフタル酸(2.5mmol)、アリールボロン酸触媒として2,6-ビス(ジイソプロピルアミノメチル)フェニルボロン酸(以下「ボロン酸化合物A」という、0.25mol)、溶媒としてヘプタン(10mL)を加え、乾燥したモレキュラーシーブス3A(約3g)を充填したカラム(小型ソックスレー抽出器)を装着した。この溶液を12時間脱水加熱還流した後、室温まで放冷した。その後、ヘプタンを減圧留去し、得られたフタル酸無水物の粗生成物を1H NMR(CDCl3)で解析することで、その収率を算出した。同じ手順を複数回繰り返したところ、収率は72-81%であった。なお、1H NMRの化学シフト(ppm)は、フタル酸:δ7.51-7.60(m,2H)、フタル酸無水物:δ8.05-8.14(m,2H)であった。
実施例2~9,比較例1~4につき、実施例1に準じて、表1の条件でフタル酸無水物を製造した。その結果を表1に示す。なお、表1には、実施例1の結果も併せて示す。表1から明らかなように、無触媒の場合、低沸点のヘプタンを溶媒として用いるとフタル酸無水物は得られず(比較例1)、高沸点のノナンを溶媒として用いるとフタル酸無水物は得られたものの12%という低収率であった(比較例2)。また、特許文献1の触媒であるp-TsOHを用いた場合には、88%という高収率でフタル酸無水物が得られたが(比較例3)、強酸であるため鉄系の反応容器の腐食等が懸念された。更に、触媒として2,4,6-トリメチルフェニルボロン酸(オルト位にジアルキルアミノメチル基を有さないもの)を用いた場合には7%という低収率でしかフタル酸無水物が得られなかった(比較例4)。これらに対して、実施例1~6のように触媒としてボロン酸化合物Aやそのパラ位にt-ブチル基やフッ素原子を有するもの(それぞれ「ボロン酸化合物B」,「ボロン酸化合物C」という)を用いた場合には、p-TsOHに比べてマイルドな酸でありながら、良好な収率でフタル酸無水物が得られた(特に実施例4,5)。また、実施例7のように触媒として片方のオルト位にジアルキルアミノメチル基を有する2-(ジイソプロピルアミノメチル)フェニルボロン酸(J. Organometallic Chem., 2005, vol.690, p4784-4793.を参照)を用いたり、実施例8のように触媒として片方のオルト位に2-ピリジル基を有するフェニルボロン酸(以下「ボロン酸化合物D」という)を用いたり、実施例9のように触媒として片方のオルト位に1つの炭素原子を介して水素原子を有さないアンモニウム塩が結合しているフェニルボロン酸(Tetrahedron, 1999, vol.55, p2857-2864.Tetrahedron, 1996, vol.52, p12931-12940.を参照)を用いたりした場合にも、高い収率でフタル酸無水物が得られた。なお、実施例8のオルト位の2-ピリジル基を3-ピリジル基やN-メチル-2-イミダゾリル基に代えた場合も、フタル酸無水物の合成反応(但しオクタンを溶媒とした)において2-ピリジル基の場合とほぼ同等の活性を示した。
実施例10~13,比較例5~8につき、実施例1に準じて、表2の条件でジカルボン酸からカルボン酸無水物を製造した。収率は、粗生成物を1H NMR(CDCl3)で解析することで算出した。なお、1H NMRの化学シフト(ppm)は、trans-シクロペンタン-1,2-ジカルボン酸:δ2.9-3.15(m,2H),その無水物(cis-カルボン酸無水物):δ3.5-3.7(m,2H)、cis-シクロヘキサン-1,2-ジカルボン酸:δ2.66(m,2H)、その無水物:δ3.33(m,2H)、trans-シクロヘキサン-1,2-ジカルボン酸:δ2.66(m,2H)、その無水物(cis-カルボン酸無水物):δ3.33(m,2H)、ピロメリット酸:δ7.90(s,2H)、そのモノ無水物;δ8.25(s,2H)、そのジ無水物:δ8.72(s,2H)であった。
実施例14~16,比較例9,10につき、実施例1に準じて、表3の条件で、4-フェニルブタン酸(4-フェニル酪酸)の分子間脱水縮合によりカルボン酸無水物を製造した。表3から明らかなように、無触媒の場合にはカルボン酸無水物は得られなかったが(比較例9)、触媒としてp-TsOHを用いた場合にはカルボン酸無水物が収率18%で得られた(比較例10)。これに対して、触媒として、ボロン酸化合物A、オルト位にジイソプロピルアミノメチル基を有するフェニルボロン酸(前出)、オルト位に2,2,6,6-テトラメチルピペラジニルメチル基を有するフェニルボロン酸(WO2004-113351参照)を用いた場合には、p-TsOHに比べてマイルドな酸でありながら、収率18~22%とp-TsOHと同等の収率でカルボン酸無水物が得られた(実施例14~16)。
ボロン酸化合物Aは、以下のようにして合成した。すなわち、1Lのフラスコに2-ブロモ-1,3-ジメチルベンゼン(Polyhedron, 2002, vol.21, p2827-2834.)(60mmol)、四塩化炭素(350mL)、N-ブロモコハク酸イミド(126mmol)およびベンゾイルペルオキシド(純度75%,1.8mmol)を順次加え、24時間加熱還流した。反応混合物を減圧濃縮した後、残渣をクロロホルムに溶解し、不溶物を濾別した。濾液を水で2回洗浄した後、水層を合わせてクロロホルムで再度抽出した。クロロホルム層を合わせて無水硫酸ナトリウムで乾燥した後、減圧濃縮した。得られた粗生成物をカラムクロマトグラフィー(シリカゲル,ヘキサン)および再結晶(ヘキサン)で精製し、2-ブロモ-1,3-ビス(ブロモメチル)ベンゼンを得た(11.0g,収率53%)。300mLのフラスコに2-ブロモ-1,3-ビス(ブロモメチル)ベンゼン(15mmol)およびジイソプロピルアミン(600mmol)を加え,43時間加熱還流した。反応混合物中の不溶物を濾別した後、減圧濃縮した。残渣をクロロホルムに溶解し、水で2回洗浄した後、水層を合わせてクロロホルムで再度抽出した。クロロホルム層を合わせて無水硫酸ナトリウムで乾燥した後、減圧濃縮した。得られた粗生成物をカラムクロマトグラフィー(NHシリカゲル,ヘキサン)で精製し、2-ブロモ-1,3-ビス(ジイソプロピルアミノメチル)ベンゼンを得た(5.39g,収率94%)。乾燥窒素を充填した50mLのフラスコに2-ブロモ-1,3-ビス(ジイソプロピルアミノメチル)ベンゼン(5.7mmol)、テトラヒドロフラン(9.5mL)、N,N,N’,N’-テトラメチルエチレンジアミン(11.4mmol)を加え、-78℃に冷却した。この溶液にブチルリチウムの1.5Mヘキサン溶液(7.3mL、11.4mmol)を滴下し、-78℃にて1時間撹拌した後、ホウ酸トリメチル(22.8mmol)を加え、室温に昇温して12時間撹拌した。反応混合物を減圧濃縮した後、残渣をクロロホルムに溶解し、不溶物を濾別した。濾液を水で2回洗浄した後、水層を合わせてクロロホルムで再度抽出した。クロロホルム層を合わせて無水硫酸ナトリウムで乾燥した後、減圧濃縮した。得られた粗生成物をカラムクロマトグラフィー(NHシリカゲル,ヘキサン-酢酸エチル=5:1)で精製した後、水およびメタノールの混合溶液に溶解し、50~60℃にて減圧濃縮すると、ボロン酸化合物Aが得られた(1.13g,収率55%)。ボロン酸化合物Aの構造は、1H NMRおよび13C NMRにより同定した。1H NMR(CDCl3)δ1.09(d,J=6.6Hz,24H),3.04(sept,J=6.6Hz,4H),3.79(s,4H),7.18-7.22(m,3H);13C NMR(CDCl3)δ19.9,46.9,52.2,128.4,131.5,142.8.
ボロン酸化合物Bは、ボロン酸化合物Aと同じ手順により2-ブロモ-5-t-ブチル-1,3-ジメチルベンゼン(J. Org. Chem., 2003, vol.68, p6071-6078.)から合成した(通算収率22%)。ボロン酸化合物Bの構造は、1H NMRおよび13C NMRにより同定した。1H NMR(CDCl3)δ1.09(d,J=6.9Hz,24H),1.32(s,9H),3.03(sept,J=6.9Hz,4H),3.80(s,4H),7.21(s,2H);13C NMR(CDCl3)δ19.9,31.0,34.2,46.8,52.6,128.5,142.6,151.1.
ボロン酸化合物Cは、ボロン酸化合物Aと同じ手順により2-ブロモ-5-フルオロ-1,3-ジメチルベンゼン(Bull. Chem. Soc. Jpn., vol.74, 2207-2218.)から合成した(通算収率11%)。ボロン酸化合物Cの構造は、1H NMRおよび13C NMRにより同定した。1H NMR(CDCl3)δ1.09(d,J=6.9Hz,24H),3.04(sept,J=6.9Hz,4H),3.77(s,4H),6.93(d,J=9.6Hz,2H);13C NMR(CDCl3)δ19.9,47.1,52.1,118.0(d,J=19.1Hz),145.8(d,J=6.7Hz),162.3(d,J=246Hz).
ボロン酸化合物Dは、以下のようにして合成した。すなわち、乾燥窒素を充填した50mLのフラスコに2-(2-ブロモフェニル)ピリジン(J. Am. Chem. Soc., 2006, vol.128, p6790-6791.)(4.0mmol)、溶媒としてトルエン(6.4mL)およびテトラヒドロフラン(1.6mL)を加え、-78℃に冷却した。この溶液にブチルリチウムの1.5Mヘキサン溶液(3.1mL、4.8mmol)を滴下し、-78℃にて30分間撹拌した後、ホウ酸トリイソプロピル(4.8mL)を加え、室温に昇温して19時間撹拌した。反応混合物を減圧濃縮した後、カラムクロマトグラフィー(アルミナ,酢酸エチル-メタノール=5:1)で精製すると、ボロン酸化合物Dのメチルエステルが得られた。これを水およびメタノールの混合溶液に溶解し、50~60℃にて減圧濃縮すると、ボロン酸化合物Dが得られた(669mg,収率84%)。ボロン酸化合物Dの構造は、1H NMRおよび13C NMRにより同定した。1H NMR(CD3OD)δ7.42(dt,J=1.5,7.5Hz,1H),7.47(dt,J=1.5,7.5Hz,1H),7.60(ddd,J=0.9,1.5,7.5Hz,1H),7.64(ddd,J=1.5,5.7,7.5Hz,1H),7.96(ddd,J=1.2,1.5,7.5Hz,1H),8.18(ddd,J=1.2,1.5,8.1Hz,1H),8.27(ddd,J=1.5,7.5,8.1Hz,1H),8.49(ddd,J=0.9,1.5,5.7Hz,1H);13C NMR(CD3OD)δ119.3,123.2,125.0,129.5,131.7,132.3,138.9,143.1,144.7,157.1.
20mLのフラスコにフタル酸(2.5mmol)、表4に示すアリールボロン酸触媒(0.025mmol,1mol%)及び溶媒(10mL)を加え、乾燥したモレキュラーシーブス3A(約3g)を充填したカラム(小型ソックスレー抽出器)を装着した。この溶液を12時間脱水加熱還流した後,室温まで放冷した。その後、溶媒を減圧留去し,得られた粗生成物を1H NMR(DMSO-d6)で解析することで、その収率を算出した。その結果を表4に示す。表4から、かさ高い2,2,6,6-テトラメチルピペリジニルメチル基を2,6位に持つボロン酸化合物E(実施例25の触媒)が極めて高い触媒活性を示すことを見出した。また、1-(2-メチルイミダゾリル)基を2位に持つボロン酸化合物(実施例27)は,実施例21で使用したボロン酸化合物と比べて、ノナン(bp151℃)中での反応においてはより高い活性を示したが,プロピオニトリル(bp97℃)中での反応においては同程度の触媒活性であった。
ポリイミド樹脂合成の原料となるテトラカルボン酸二無水物の合成を検討した。具体的には、実施例21~27に準じて、ボロン酸化合物E(0.025mmol,1mol%)の存在下に、表5に示すテトラカルボン酸 (2.5mmol)の脱水縮合反応をブチロニトリル(10mL)中で実施した。反応混合物を室温まで放冷した後、ペンタン50mLを加え、析出した固体をろ過により精製し、目的とするテトラカルボン酸二無水物を得た。なお、実施例32では、単離収率ではなく、1H NMRを用いた解析による変換収率を求めた。その結果を表5に示す。いずれのテトラカルボン酸も良好な反応性を示し、高収率(85~99%)で対応するカルボン酸二無水物が得られた。なお、表5には、無触媒条件下で反応したときの結果も示したが、無触媒条件下ではほとんど反応が進行しなかった。
ポリイミド合成のモデル反応として、ジイミド化合物の触媒的合成を検討した。具体的には、実施例21~27の操作に準じて、ボロン酸化合物E(0.025mmol,1mol%)の存在下に、表6に示すテトラカルボン酸(2.5mmol)とアニリン(6.3mmol)との反応をブチロニトリル(10mL)中で実施した。反応混合物を室温まで放冷した後、析出した固体をろ過により精製し、目的とするジイミド化合物を得た(表6のrun1,収率98%)。ろ液を減圧濃縮した後、残渣にブチロニトリル(10mL)、テトラカルボン酸(2.5mmol)及びアニリン(5mmol)を加えて12時間脱水加熱還流させてジイミド化を行うという操作を4回繰り返した(run2~5)。その結果を表6に示す。表6から、ジイミド化を複数回繰り返しても、触媒活性を損なうことなく、目的とするジイミド化合物が高収率(93~98%)で得られた。このジイミド化反応は、おそらくテトラカルボン酸の2対のカルボン酸基がボロン酸化合物Eを触媒として脱水縮合してカルボン酸二無水物となり、その後カルボン酸二無水物とアニリンとが反応してジイミド化合物になったと推測される。
下記式に示すように、テトラカルボン酸とn-オクチルアミン(2当量)とを用いて、ジイミド化合物の触媒的合成を検討した。具体的には、20mLフラスコにテトラカルボン酸(2.5mmol)、n-オクチルアミン(5.0mmol,2当量)、アリールボロン酸触媒(0.025mmol,1 mol%)およびブチロニトリル(10mL)を加え、乾燥したモレキュラーシーブス3A(約3g)を充填したカラム(小型ソックスレー抽出器)を装着した。この溶液を12時間脱水加熱還流した後、室温まで放冷した。反応溶媒を減圧留去し、残渣をカラムクロマトグラフィー(シリカゲル,ヘキサン-酢酸エチル5:1→3:1→1:1)で精製し,ジイミドを得た。収量1.29g(2.43mmol,97%収率)。得られたジイミドのスペクトルデータは以下の通り。IR(KBr)1767,1707,1613,1476,1438,1393,1356,1264,1230,1094,1033cm-1; 1H NMR(CDCl3,400 MHz)δ0.87(t,J=6.9Hz,6H),1.19-1.39(m,20H),1.67(tt,J=6.9,7.3Hz,4H),3.67(t,J=7.3Hz,4H),7.36(dd,J=1.8,8.2Hz,2H),7.42(d,J=1.8Hz,2H),7.87(d,J=8.2Hz,2H); 13C NMR(CDCl3, 100MHz)δ14.4,22.9,27.1,28.9,29.4,32.1,38.6,113.8,124.4,125.8,127.9,135.3,161.1,167.6,167.8;HRMS(FAB) calcd for C32H41N2O5 [M+H]+ 533.3015, found 533.3022.
アミドカルボン酸の合成を検討した。具体的には、実施例21~27に準じて、ボロン酸化合物E(0.025mmol,1mol%)の存在下にベンゼン-1,2,4,5-テトラカルボン酸(2.5mmol)の脱水縮合反応を実施した。反応混合物を室温まで放冷した後、アニリン(7.5mmol,3当量)を加え、室温にて3時間撹拌した。析出した固体をろ過により精製し、目的とするアミドカルボン酸を1:1の異性体混合物として得た。このアミドカルボン酸を更に脱水縮合すれば、ジイミド化合物に誘導することができる。
高活性な触媒であるボロン酸化合物Eを用いて、脂肪族ジカルボン酸の脱水縮合によるカルボン酸無水物の合成を行った。具体的には、実施例21~27の操作に準じて、ボロン酸化合物E(0.025mmol,1mol%)の存在下に、表7に示す脂肪族ジカルボン酸(2.5mmol)の脱水縮合反応を溶媒(10mL)中で実施した。反応混合物を室温まで放冷した後、溶媒を減圧留去し、得られた粗生成物を1H NMR(CDCl3又はDMSO-d6)で解析することで、対応するカルボン酸無水物の収率を算出した。なお、溶媒は、実施例36~39,41ではプロピオニトリル、実施例40ではバレロニトリル、実施例42,43ではブチロニトリルを使用した。
実施例36のジカルボン酸:δ2.66(m,2H)
実施例36のカルボン酸無水物:δ3.33(m,2H)
実施例37のジカルボン酸:δ2.66(m,2H)
実施例38のジカルボン酸:δ2.40(s,4H)
実施例38のカルボン酸無水物:δ2.88(s,4H)
実施例39のジカルボン酸:δ7.05(d,J=8.2Hz,1H)
実施例39のカルボン酸無水物:δ7.74(d,J=7.8Hz,1H)
実施例40のジカルボン酸:δ2.23(t,J=7.3Hz,4H)
実施例40のカルボン酸無水物:δ2.70(t,J=6.0Hz,4H)
実施例41のジカルボン酸:δ2.40(s,4H)
実施例41のカルボン酸無水物:δ2.76(s,4H)
実施例42のジカルボン酸:δ0.99(d,J=6.0Hz,3H)
実施例42のカルボン酸無水物:δ1.14(d,J=6.3Hz,3H)
実施例43のジカルボン酸:δ3.51(m,1H)
実施例43のカルボン酸無水物:δ3.44(m,1H)
高活性な触媒であるボロン酸化合物Eを、以下のようにして合成した。すなわち、2-ブロモ-1,3-ビス(ブロモメチル)ベンゼン(6.65mmol),炭酸カリウム(14.6mmol),ヨウ化カリウム(1.33mmol)及び2,2,6,6-テトラメチルピペリジン(14.6mmol)の3-ペンタノン(13mL)溶液を48時間加熱還流した。反応混合物を室温まで放冷した後、析出した固体をろ過により除去し、ろ液を減圧濃縮した。残渣をクロロホルムに溶解し、水(2回)で洗浄した後、水層をクロロホルムで抽出した。クロロホルム層を合わせて硫酸ナトリウムで乾燥した後、減圧濃縮した。得られた組成生物をカラムクロマトグラフィー(NHシリカゲル、溶離液:ヘキサン)で精製することにより、2-ブロモ-1,3-[(2,2,6,6-テトラメチルピペリジン-1-イル)メチル]ベンゼン(2.02g,71%収率)を得た。この化合物のスペクトルデータは以下の通り。IR(KBr) 1458,1381,1366,1262,1175,1132,1017cm-1;1H NMR(400MHz,CDCl3)δ0.88(br s,12H),1.11(br s,12H),1.53(br s,10H),1.74(br s,2H),3.73(s,4H),7.20(t,J=7.8Hz,1H),7.68(d,J=7.8Hz,2H);13C NMR(100MHz,CDCl3)δ17.9,21.6,33.2,41.3,49.2,54.8,122.2,125.2,128.0,142.8;HRMS(FAB) calcd for C26H44BrN2[M+H]+ 463.2688,found 463.2704.
実施例22で触媒として使用したボロン酸化合物を、実施例44に準じて、2-ブロモ-1-(ブロモメチル)-3-メチルベンゼンから合成した。得られたボロン酸化合物のスペクトルデータは以下の通り。IR(KBr) 3292,1594,1389,1369,1265,1166,1038cm-1;1H NMR(400MHz,CDCl3)δ1.09(d,J=6.9Hz,12H),2.58(s,3H),3.06(sept,J=6.9Hz,2H),3.75(s,2H),7.04(d,J=7.3Hz,1H),7.13(d,J=7.4Hz,1H),7.17(dd,J=7.3,7.4Hz,1H);13C NMR(125MHz,CDCl3)δ19.9,23.4,47.1,52.2,128.6,128.8,129.8,141.6,144.7;HRMS(FAB) calcd for C17H29BO2[M+C3H5]+ 290.2291,found 290.2301(この化合物の高分解能質量分析は、1,3-プロパンジオールとのエステルへと変換した後に測定した).
実施例26で触媒として使用したボロン酸化合物を、以下のようにして合成した。すなわち、ボロン酸化合物E(0.50mmol)、硝酸(0.82mL,19.5mmol)及び硫酸(1.07mL,20 mmol)の混合物を80℃にて10時間撹拌した。反応混合物を室温まで放冷した後、水酸化ナトリウム水溶液を加えることによりpHを約12とし、酢酸エチル(2回)で抽出した。有機層を硫酸ナトリウムで乾燥後、減圧濃縮した。得られた組成生物をカラムクロマトグラフィー(NHシリカゲル,溶離液:ヘキサン:酢酸エチル 10:1→3:1)で精製し、目的とするボロン酸化合物(94mg,40%収率)を得た。得られたボロン酸化合物のスペクトルデータは以下の通り。IR(KBr) 3512,1515,1461,1347,1261,1173,1132,1063,1027cm-1;1H NMR(400MHz,CD3OD-CDCl3)δ1.01(br s,24H),1.60(br s,12H),3.73(s,4H),8.46(s,2H);13C NMR(100MHz,CD3OD-CDCl3)δ17.7,41.1,47.1,55.0,119.4,148.9,149.6;HRMS(FAB) calcd for C29H49BN3O4[M+C3H5]+ 514.3816, found 514.3798(この化合物の高分解能質量分析は、1,3-プロパンジオールとのエステルへと変換した後に測定した).
実施例24で触媒として使用したボロン酸化合物を、実施例46のボロン酸化合物Eの代わりにボロン酸化合物Aを用いて合成した。得られたボロン酸化合物のスペクトルデータは以下の通り。IR(KBr)1519,1341,1174,1038cm-1;1H NMR(400MHz,CDCl3)δ1.11(d,J=6.9Hz,24H),3.03(sept,J=6.9Hz,4H),3.90(s,4H),8.06(s,2H);13C NMR(125MHz,CDCl3)δ20.0,47.4,52.1,125.2,145.1,147.5;HRMS(FAB) calcd for C23H41BN3O4[M+C3H5]+ 434.3190,found 434.3216(この化合物の高分解能質量分析は、1,3-プロパンジオールとのエステルへと変換した後に測定した).
Claims (17)
- ジカルボン酸化合物の分子内脱水縮合により環状のカルボン酸無水物を製造する方法であって、
触媒として、片方又は両方のオルト位に、1つの炭素原子を介して水素原子を有さない窒素原子又はリン原子が結合した含ヘテロ原子置換基を持つ、アリールボロン酸化合物を用いる、カルボン酸無水物の製造方法。 - 2つのカルボン酸化合物の分子間脱水縮合により芳香族カルボン酸無水物または鎖状のα,β位の炭素が飽和している脂肪族カルボン酸無水物を製造する方法であって、
触媒として、片方又は両方のオルト位に、1つの炭素原子を介して水素原子を有さない窒素原子又はリン原子が結合した含ヘテロ原子置換基を持つアリールボロン酸化合物を用いる、カルボン酸無水物の製造方法。 - 前記アリールボロン酸化合物は、両方のオルト位に、同じか又は互いに異なる前記含ヘテロ原子置換基を持つ、請求項1又は2に記載のカルボン酸無水物の製造方法。
- 前記含ヘテロ原子置換基は、-CH2NR1R2(R1,R2はそれぞれ独立してアルキル基、シクロアルキル基を有するアルキル基、ハロゲン原子を有するアルキル基、シクロアルキル基、アルキル基を有するシクロアルキル基若しくはハロゲン原子を有するシクロアルキル基又は互いに結合してNR1R2として含窒素ヘテロ環を形成する)で表される基であるか、-CH2Z+R3R4R5X-(Zは窒素原子又はリン原子、R3~R5はそれぞれ独立してアルキル基、シクロアルキル基を有するアルキル基、ハロゲン原子を有するアルキル基、シクロアルキル基、アルキル基を有するシクロアルキル基又はハロゲン原子を有するシクロアルキル基、Xはアニオン性基)で表される基である、請求項1~3のいずれか1項に記載のカルボン酸無水物の製造方法。
- R1,R2は分岐を有するアルキル基であり、含窒素ヘテロ環は含窒素芳香族化合物である、請求項4に記載のカルボン酸無水物の製造方法。
- 前記アリールボロン酸化合物は、ベンゼン環上にハロゲン原子、アルキル基、ニトロ基又はハロゲン原子を有するアルキル基を持つ、請求項1~6のいずれか1項に記載のカルボン酸無水物の製造方法。
- ジカルボン酸化合物と1級アミン化合物とを反応させて環状のイミド化合物を製造するイミド化合物の製造方法であって、
触媒として、片方又は両方のオルト位に、1つの炭素原子を介して水素原子を有さない窒素原子又はリン原子が結合した含ヘテロ原子置換基を持つアリールボロン酸化合物を用いる、イミド化合物の製造方法。 - 前記アリールボロン酸化合物は、両方のオルト位に、同じか又は互いに異なる前記含ヘテロ原子置換基を持つ、請求項8に記載のイミド化合物の製造方法。
- 前記含ヘテロ原子置換基は、-CH2NR1R2(R1,R2はそれぞれ独立してアルキル基、シクロアルキル基を有するアルキル基、ハロゲン原子を有するアルキル基、シクロアルキル基、アルキル基を有するシクロアルキル基若しくはハロゲン原子を有するシクロアルキル基又は互いに結合してNR1R2として含窒素ヘテロ環を形成する)で表される基であるか、-CH2Z+R3R4R5X-(Zは窒素原子又はリン原子、R3~R5はそれぞれ独立してアルキル基、シクロアルキル基を有するアルキル基、ハロゲン原子を有するアルキル基、シクロアルキル基、アルキル基を有するシクロアルキル基又はハロゲン原子を有するシクロアルキル基、Xはアニオン性基)で表される基である、請求項8又は9に記載のイミド化合物の製造方法。
- R1,R2は分岐を有するアルキル基であり、含窒素ヘテロ環は含窒素芳香族化合物である、請求項10に記載のイミド化合物の製造方法。
- 前記アリールボロン酸化合物は、ベンゼン環上にハロゲン原子、アルキル基、ニトロ基又はハロゲン原子を有するアルキル基を持つ、請求項8~12のいずれか1項に記載のイミド化合物の製造方法。
- 両方のオルト位に-CH2NR1R2(R1,R2はそれぞれ独立してアルキル基、シクロアルキル基を有するアルキル基、ハロゲン原子を有するアルキル基、シクロアルキル基、アルキル基を有するシクロアルキル基若しくはハロゲン原子を有するシクロアルキル基、又は、R1,R2が互いに結合してNR1R2として含窒素ヘテロ環を形成する)を持つか、片方又は両方のオルト位に5員環又は6員環の含窒素芳香族基を持つ、アリールボロン酸化合物。
- 前記-CH2NR1R2は、ジイソプロピルアミノメチル基又はトリオクチルアンモニウムメチル基であり、前記含窒素芳香族基は2-ピリジル基又はN-アルキルイミダゾール基である、請求項14に記載のアリールボロン酸化合物。
- ベンゼン環上にハロゲン原子、アルキル基、ニトロ基又はハロゲン原子を有するアルキル基を持つ、請求項14~16のいずれか1項に記載のアリールボロン酸化合物。
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US13/255,426 US8735582B2 (en) | 2009-03-11 | 2010-03-03 | Method for producing carboxylic anhydride and arylboronic acid compound |
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Cited By (3)
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EP2599767A1 (en) * | 2011-11-30 | 2013-06-05 | Lunamed AG | Phenylbutyl-derivatives |
WO2013122130A1 (ja) * | 2012-02-17 | 2013-08-22 | 国立大学法人名古屋大学 | ヒドロキシカルボン酸アミド化合物の製法及び新規なアリールボロン酸化合物 |
JP2017141380A (ja) * | 2016-02-12 | 2017-08-17 | 新日鉄住金化学株式会社 | ポリイミドフィルムの製造方法 |
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CN102911181A (zh) * | 2012-11-14 | 2013-02-06 | 曹永平 | 一种高纯度均苯四甲酸二酐的制备方法 |
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WO2017189293A1 (en) | 2016-04-27 | 2017-11-02 | Sabic Global Technologies B.V. | Method for isolation of a dianhydride and dianhydrides prepared by the method |
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EP2599767A1 (en) * | 2011-11-30 | 2013-06-05 | Lunamed AG | Phenylbutyl-derivatives |
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JPWO2013122130A1 (ja) * | 2012-02-17 | 2015-05-18 | 国立大学法人名古屋大学 | ヒドロキシカルボン酸アミド化合物の製法及び新規なアリールボロン酸化合物 |
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JP2017141380A (ja) * | 2016-02-12 | 2017-08-17 | 新日鉄住金化学株式会社 | ポリイミドフィルムの製造方法 |
Also Published As
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US20110319620A1 (en) | 2011-12-29 |
US8735582B2 (en) | 2014-05-27 |
JPWO2010103976A1 (ja) | 2012-09-13 |
JP5747330B2 (ja) | 2015-07-15 |
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