CN102558095B - 一种芳香胺类化合物的制备方法 - Google Patents
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- -1 aromatic amine compound Chemical class 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title abstract description 15
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- XMWGTKZEDLCVIG-UHFFFAOYSA-N 1-(chloromethyl)naphthalene Chemical compound C1=CC=C2C(CCl)=CC=CC2=C1 XMWGTKZEDLCVIG-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 11
- 239000003054 catalyst Substances 0.000 claims abstract description 10
- 239000003513 alkali Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000003960 organic solvent Substances 0.000 claims abstract description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical group C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 18
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 claims description 12
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 11
- 125000003118 aryl group Chemical group 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 9
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical group [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 claims description 8
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims description 8
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 claims description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 6
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 5
- WMKGGPCROCCUDY-PHEQNACWSA-N dibenzylideneacetone Chemical compound C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 WMKGGPCROCCUDY-PHEQNACWSA-N 0.000 claims description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 150000002367 halogens Chemical class 0.000 claims description 4
- 239000012312 sodium hydride Substances 0.000 claims description 4
- 229910000104 sodium hydride Inorganic materials 0.000 claims description 4
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 3
- 229960001701 chloroform Drugs 0.000 claims description 3
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 claims description 3
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- 235000019798 tripotassium phosphate Nutrition 0.000 claims description 3
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 claims description 2
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 claims description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 2
- ZOAIGCHJWKDIPJ-UHFFFAOYSA-M caesium acetate Chemical compound [Cs+].CC([O-])=O ZOAIGCHJWKDIPJ-UHFFFAOYSA-M 0.000 claims description 2
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 claims description 2
- 229910000024 caesium carbonate Inorganic materials 0.000 claims description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 2
- 235000015320 potassium carbonate Nutrition 0.000 claims description 2
- 239000001632 sodium acetate Substances 0.000 claims description 2
- 229960004249 sodium acetate Drugs 0.000 claims description 2
- 235000017281 sodium acetate Nutrition 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims 5
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims 2
- 239000002585 base Substances 0.000 claims 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 claims 1
- 150000004982 aromatic amines Chemical class 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 24
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 21
- QQVIHTHCMHWDBS-UHFFFAOYSA-N perisophthalic acid Natural products OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 20
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- 229910052757 nitrogen Inorganic materials 0.000 description 12
- 238000003756 stirring Methods 0.000 description 9
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 8
- 238000005160 1H NMR spectroscopy Methods 0.000 description 8
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 8
- 238000004440 column chromatography Methods 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
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- 239000000741 silica gel Substances 0.000 description 7
- 229910002027 silica gel Inorganic materials 0.000 description 7
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- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 2
- 238000005576 amination reaction Methods 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229940050176 methyl chloride Drugs 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- WDFQBORIUYODSI-UHFFFAOYSA-N 4-bromoaniline Chemical compound NC1=CC=C(Br)C=C1 WDFQBORIUYODSI-UHFFFAOYSA-N 0.000 description 1
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical group COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 1
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 150000001500 aryl chlorides Chemical class 0.000 description 1
- 150000001502 aryl halides Chemical class 0.000 description 1
- 125000005002 aryl methyl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
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- 239000003814 drug Substances 0.000 description 1
- OAYLNYINCPYISS-UHFFFAOYSA-N ethyl acetate;hexane Chemical compound CCCCCC.CCOC(C)=O OAYLNYINCPYISS-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
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- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
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- PBDBXAQKXCXZCJ-UHFFFAOYSA-L palladium(2+);2,2,2-trifluoroacetate Chemical compound [Pd+2].[O-]C(=O)C(F)(F)F.[O-]C(=O)C(F)(F)F PBDBXAQKXCXZCJ-UHFFFAOYSA-L 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
本发明属于医药化工中间体及相关化学技术领域,涉及到一种芳香胺类化合物的制备方法。其特征是以1-氯甲基萘及其衍生物为原料,在金属催化剂钯和碱的作用下,于有机溶剂中与胺类化合物反应,得到N-取代的芳香胺类化合物。本发明所述的N-取代芳香胺的制备方法,反应步骤少,原料价格低廉,反应条件温和,便于操作;并且所得产品收率高、纯度高。
Description
技术领域
本发明属于医药化工中间体及相关化学技术领域,涉及到一种芳香胺类化合物的制备方法。
背景技术
芳香胺类化合物广泛应用于化学领域的多个方面,其作为骨架结构往往出现在药物、农用化学品、颜料和光学材料等与人们衣食住行密切相关的分子结构中,具有广阔的市场前景。
传统的合成N-取代芳胺的方法是,以芳烃为起始原料,依次进行硝化、还原和烷基化反应,最终得到N-取代芳胺类化合物。这种方法不但需要多个步骤,而且在底物的广谱性、官能团的兼容性和反应的选择性方面都有缺陷。
相对于传统的合成方法,在过渡金属催化剂的作用下,芳基卤代物或者芳基酯化物与不同的胺进行C-N键形成的反应,合成N-取代芳香胺类化合物的方法,是公认的选择性高、环境友好的方法。目前使用的过渡金属催化剂主要包括:钯(Surry,D.S.;Buchwald,S.L.Chem.Sci.2011,2:27)、铜(Carril,M.;SanMartin,R.;Domínguez,E.Chem.Soc.Rev.2008,37:639)、镍(Ackermann,L.;Sandmann,R.;Song,W.Org.Lett.2011,13:1784)和铁(Nakamura,Y.;Ilies,L.;Nakamura,E.Org.Lett.2011,13:5998)四种金属催化剂。其中,镍主要用于催化芳基氯代物与仲胺的C-N偶联反应合成N-取代芳香胺类化合物;铁主要用于催化芳烃与氨基化试剂的C-N偶联反应合成N-取代芳香胺类化合物,但能够参与反应的氨基化试剂种类不多,主要是吡唑类;钯和铜催化C-N键形成反应合成N-取代 芳香胺类化合物的研究相对较多,其中,铜催化氯代芳烃参与的C-N键形成反应,存在收率较低和催化剂量较大的问题;而钯催化芳烃C-N键形成的反应,往往需要加入昂贵的配体或者需要较高的反应温度。
发明内容
本发明提供了一种芳香胺类化合物的制备方法,该方法的合成路线短、条件温和、便于操作、并且收率较高;该方法避免了额外添加配体,节约了成本。
本发明是以1-氯甲基萘衍生物为原料,在碱和催化剂的作用下与含氮试剂结合,得到N-取代芳香胺类化合物,合成路线如下:
该方法采用的技术方案如下:
N-取代芳香胺的制备:1-氯甲基萘衍生物,在金属催化剂钯和碱的作用下,于无水有机溶剂中与胺类化合物反应,得到N-取代的芳香胺类化合物。
反应温度在-50℃~150℃范围。
R1选自氢(H),烷基(alkyl),芳基(Ar);R2选自氢(H),烷基(alkyl),芳基(Ar);R3选自氢(H),烷基(alkyl),芳基(Ar);R4选自氢(H),卤素(halides),硝基(NO2),甲基(Me),甲氧基(OMe),芳基(Ar);R5选 自氢(H),卤素(halides),硝基(NO2),甲基(Me),甲氧基(OMe),芳基(Ar)。
金属催化剂包括:二(乙酰丙酮)钯、二(三苯基膦)二氯化钯、四(三苯基膦)钯、三(二亚苄基丙酮)二钯、醋酸钯、三氟乙酸钯、氯化钯、二(乙腈)二氯化钯。优选四(三苯基膦)钯、三(二亚苄基丙酮)二钯、二(三苯基膦)二氯化钯。
溶剂包括:四氢呋喃、甲基叔丁基醚、乙二醇二甲醚、三氯甲烷、二氯甲烷、乙醚、正丁醚、二甲基亚砜、四氯化碳、甲苯、N,N-二甲基甲酰胺、石油醚、环己烷、正己烷、正庚烷等,优选四氢呋喃、甲苯、乙醚、二甲基亚砜。
碱包括:氢氧化钠、氢氧化钾、碳酸钠、碳酸钾、碳酸氢钠、氢化钠、醋酸钠、乙醇钠、磷酸三钾、叔丁醇钠、叔丁醇钾、碳酸铯、乙酸铯。优选氢化钠、叔丁醇钠、磷酸三钾、叔丁醇钾。
分离方法包括:重结晶、柱层析等。重结晶方法使用的溶剂如,苯、甲苯、乙醇、石油醚、乙腈、四氢呋喃、氯仿、环己烷、二氧六环、乙酸乙酯、N,N-二甲基甲酰胺;用柱层析方法,可以使用硅胶或氧化铝作为固定相,展开剂一般为极性与非极性的的混合溶剂,如乙酸乙酯-石油醚、乙酸乙酯-正己烷、二氯甲烷-石油醚、甲醇-石油醚。
1-氯甲基萘衍生物与碱的摩尔比为1∶1~1∶50。
1-氯甲基萘衍生物与胺类的摩尔比为1∶1~1∶50。
1-氯甲基萘衍生物的摩尔浓度为0.01mmol/mL~2mmol/mL。
本发明的有益效果是该方法的合成路线短、条件温和、操作简便、有实现工业化的可能性,并且较高收率得到芳胺类产物;该方法可以得到芳甲基结构,从而近一步官能化,得到病虫抑制剂、光学材料等功能性分子。
附图说明
图1是实施例1中N-(4′-丁基-1′-萘基)吗啉的1H核磁谱图。
图2是实施例1中N-(4′-丁基-1′-萘基)吗啉的13C核磁谱图。
图3是实施例2中N-(3′,4′-二甲基-1′-萘基)吗啉的1H核磁谱图。
图4是实施例2中N-(3′,4′-二甲基-1′-萘基)吗啉的13C核磁谱图。
图5是实施例3中N-(4′-异丁基-1′-萘基)吗啉的1H核磁谱图。
图6是实施例3中N-(4′-异丁基-1′-萘基)吗啉的13C核磁谱图。
图7是实施例4中N-(4′-甲基-1′-萘基)吡咯烷的1H核磁谱图。
图8是实施例4中N-(4′-甲基-1′-萘基)吡咯烷的13C核磁谱图。
图9是实施例5中N-(4′-(4″-氟-1″-苯甲基)-1′-萘基)吗啉的1H核磁谱图。
图10是实施例5中N-(4′-(4″-氟-1″-苯甲基)-1′-萘基)吗啉的13C核磁谱图。
图11是实施例6中N-(4′-甲基-1′-萘基)苯胺的1H核磁谱图。
图12是实施例6中N-(4′-甲基-1′-萘基)苯胺的13C核磁谱图。
图13是实施例7中4-甲基-N-(4′-甲基-1′-萘基)苯胺的1H核磁谱图。
图14是实施例7中4-甲基-N-(4′-甲基-1′-萘基)苯胺的13C核磁谱图。
图15是实施例8中4-溴代-N-(4′-甲基-1′-萘基)苯胺的1H核磁谱图。
图16是实施例8中4-溴代-N-(4′-甲基-1′-萘基)苯胺的13C核磁谱图。
具体实施方式
本发明所述的N-取代芳香胺的制备方法,反应步骤较少,原料价格低廉,反应条件温和,便于操作;并且所得产品收率高、纯度高、完全符合作为药物中间体的质量要求,为其工业化生产提供了有利条件。
下面结合具体实施例,进一步阐述本发明。这些实施例仅用于说明本发明而不用于限制本发明的范围。在本领域内的技术人员对本发明所做的简单替换 或改进均属于本发明所保护的技术方案之内。
实施例1:N-(4′-丁基-1′-萘基)吗啉的合成
在25mL反应器中,加入叔丁醇钠(0.048g,0.5mmol)和四(三苯基膦)钯(0.029g,0.025mmol),氮气置换3次后,在氮气保护中加入无水甲苯5mL,搅拌下加入吗啉(0.044g,0.5mmol)和1-萘基-1-氯代正丁烷(0.110g,0.5mmol),室温搅拌12h,柱层析(硅胶,200-300目;展开剂,石油醚∶乙酸乙酯=10∶1)得到N-(4′-丁基-1′-萘基)吗啉0.081g,产率60%。
N-(4′-丁基-1′-萘基)吗啉
Colorless oil;IR(neat)ν3068,2956,2855,1584,1512,1451,1393,1259,1118,893,830,765cm-1;1H-NMR(400MHz,CDCl3)δ0.95(t,J=7.3,3H),1.39-1.48(m,2H),1.66-1.73(m,2H),2.96-3.02(m,6H),3.91(t,J=4.4,4H),6.96(d,J=7.6,1H),7.20(d,J=7.6,1H),7.45-7.47(m,2H),7.99-8.02(m,1H),8.26-8.28(m,1H);13C-NMR(100MHz,CDCl3)δ14.1,23.0,32.7,33.1,53.7,67.6,114.6,124.1,124.6,125.0,125.7,125.8,129.3,133.1,134.6,147.9;HRMS(EI)calcd for C18H23NO:269.1780[M]+;found:269.1780.
实施例2:N-(3′,4′-二甲基-1′-萘基)吗啉的合成
在25mL反应器中,加入氢化钠(0.012g,0.5mmol)和三(二亚苄基丙酮)二钯(0.0228g,0.025mmol),氮气置换3次后,在氮气保护中加入无水四氢呋喃5mL,搅拌下加入吗啉(0.044g,0.5mmol)和2-甲基萘-1-氯甲烷(0.095g,0.5mmol),室温搅拌12h,柱层析(硅胶,200-300目;展开剂,石油醚∶乙酸乙 酯=10∶1)得到N-(3′,4′-二甲基-1′-萘基)吗啉0.098g,产率81%。
N-(3′,4′-二甲基-1′-萘基)吗啉
Mp 86.3-86.8℃;IR(neat)ν3068,2956,2851,1593,1510,1450,1390,1261,1117,923,882,760cm-1;1H-NMR(400MHz,CDCl3)δ2.45(s,3H),2.52(s,3H),3.04-3.06(m,4H),3.95(t,J=4.5,4H),6.91(s,1H),7.39-7.49(m,2H),7.99(d,J=8.5,2H),8.22(d,J=8.2,2H);13C-NMR(100MHz,CDCl3)δ14.3,21.0,53.7,67.6,118.2,123.7,124.2,124.3,125.9,126.9,127.6,133.0,134.1,147.1;HRMS(EI)calcd for C16H19NO:241.1467[M]+;found:241.1468.
实施例3:N-(4′-异丁基-1′-萘基)吗啉的合成
操作同实施例1,由2-甲基-1-萘基-1-氯丙烷得到N-(4′-异丁基-1′-萘基)吗啉0.120g,产率89%。
N-(4′-异丁基-1′-萘基)吗啉
Colorless oil;IR(neat)ν3068,2954,2853,1586,1511,1461,1393,1367,1260,1118,894,812,765,736cm-1;1H-NMR(400MHz,CDCl3)δ0.95(d,J=6.6,6H),1.98-2.06(m,1H),2.85(d,J=7.1,2H),3.05(br,4H),3.94(t,J=4.5,4H),6.99(d,J=7.6,1H),7.19(d,J=7.6,1H),7.45-7.48(m,2H),7.98-8.00(m,1H),8.26-8.29(m, 1H);13C-NMR(100MHz,CDCl3)δ22.9,29.5,42.5,53.7,67.6,114.4,124.0,124.8,125.0,125.6,127.0,129.2,133.3,133.4,148.0;HRMS(EI)calcd for C18H23NO:269.1780[M]+;found:269.1784.
实施例4:N-(4′-甲基-1′-萘基)吡咯烷的合成
在25mL反应器中,加入叔丁醇钠(0.048g,0.5mmol)和二(三苯基膦)二氯化钯(0.0175g,0.025mmol),氮气置换3次后,在氮气保护中加入无水甲苯5mL,搅拌下加入四氢吡咯(0.036g,0.5mmol)和1-氯甲基萘(0.088g,0.5mmol),室温搅拌12h,柱层析(硅胶,200-300目;展开剂,石油醚∶乙酸乙酯=50∶1)得到N-(4′-甲基-1′-萘基)吡咯烷0.063g,产率60%。
N-(4′-甲基-1′-萘基)吡咯烷
Colorless oil;IR(neat)ν3068,2964,2871,2811,1579,1513,1456,1392,1299,1074,820,759cm-1;1H-NMR(400MHz,CDCl3)δ1.99-2.02(m,4H),3.04(s,3H),3.28(t,J=6.4,4H),6.92(d,J=7.6,1H),7.19(d,J=7.6,1H),7.43-7.51(m,2H),7.93-7.96(m,1H),8.23-8.25(m,1H);13C-NMR(100MHz,CDCl3)δ19.1,24.6,52.9,111.8,124.2,124.4,125.1,125.5,126.5,127.5,128.8,133.7,146.4;HRMS(EI)calcd for C15H17N:211.1361[M]+;found:211.1353.
实施例5:N-(4′-(4″-氟-1″-苯甲基)-1′-萘基)吗啉的合成
操作同实施例1,由萘基-4′-氟苯基-1-氯甲烷得到N-(4′-(4″-氟-1″-苯甲基)-1′-萘基)吗啉0.141g,产率88%。
N-(4′-(4″-氟-1″-苯甲基)-1′-萘基)吗啉
Mp 92.7-93.9℃;IR(neat)ν3068,2959,2852,1584,1508,1450,1393,1259,1222,1157,1117,894,824,769,735cm-1;1H-NMR(400MHz,CDCl3)δ3.05(br,4H),3.94(t,J=4.5,4H),4.30(s,2H),6.90(t,J=8.7,1H),7.07-7.10(m,2H),7.15(d,J=7.6,1H),7.39-7.47(m,2H),7.88-7.91(m,1H),8.26-8.29(m,1H);13C-NMR(100MHz,CDCl3)δ38.1,53.7,67.5,114.5,115.3(d,J=21.1,C-F),124.2,124.8,125.3,126.2,127.3,129.4,130.1(d,J=7.7,C-F),132.1,133.2,136.5,148.8,161.4(d,J=242.4,C-F);HRMS(EI)calcd for C21H20FNO:321.1529[M]+;found:321.1524.
实施例6:N-(4′-甲基-1′-萘基)苯胺的合成
在25mL反应器中,加入叔丁醇钠(0.048g,0.5mmol)和四(三苯基膦)钯(0.029g,0.025mmol),氮气置换3次后,在氮气保护中加入无水乙二醇二甲醚5mL,搅拌下加入苯胺(0.047g,0.5mmol)和1-氯甲基萘(0.088g,0.5mmol),50℃搅拌12h,柱层析(硅胶,200-300目;展开剂,石油醚∶乙酸乙酯=100∶1)得到N-(4′-甲基-1′-萘基)苯胺0.082g,产率70%。
N-(4′-甲基-1′-萘基)苯胺
Mp 70.9-71.6℃;IR(neat)ν3386,3045,2938,1601,1585,1498,1461,1389,1303, 746,693cm-1;1H-NMR(400MHz,CDCl3)δ2.65(s,3H),5.76(s,1H),6.81-6.86(m,3H),7.17-7.27(m,4H),7.43-7.46(m,1H),7.50-7.54(m,1H),7.98(d,J=8.4,1H),8.03(d,J=8.3,1H);13C-NMR(100MHz,CDCl3)δ19.3,116.4,117.9,119.8,122.9,124.9,125.5,126.0,126.7,128.9,129.4,130.1,133.6,136.9,145.9;HRMS(EI)calcd for C17H15N:233.1204[M]+;found:233.1203.
实施例7:4-甲基-N-(4′-甲基-1′-萘基)苯胺的合成
在25mL反应器中,加入无水碳酸钠(0.053g,0.5mmol)和四(三苯基膦)钯(0.029g,0.025mmol),氮气置换3次后,在氮气保护中加入无水乙二醇二甲醚5mL,搅拌下加入4-甲基苯胺(0.054g,0.5mmol)和1-氯甲基萘(0.088g,0.5mmol),50℃搅拌12h,柱层析(硅胶,200-300目;展开剂,石油醚∶乙酸乙酯=100∶1)得到4-甲基-N-(4′-甲基-1′-萘基)苯胺0.09g,产率73%。
4-甲基-N-(4′-甲基-1′-萘基)苯胺
Mp 64.5-65.0℃;IR(neat)ν3385,3019,2918,1587,1515,1464,1387,1306,813,754cm-1;1H-NMR(400MHz,CDCl3)δ2.26(s,3H),2.63(s,3H),5.68(s,1H),6.80(d,J=8.3,2H),7.01(d,J=8.3,2H),7.16-7.18(m,2H),7.41-7.45(m,1H),7.48-7.52(m,1H),7.97(d,J=8.3,1H),8.01(d,J=8.2,1H);13C-NMR(100MHz,CDCl3)δ19.3,20.7,116.3,117.4,122.7,124.9,125.4,126.0,126.7,128.3,129.2,129.6,133.6,137.7,143.0;HRMS(EI)calcd for C18H17N:247.1361[M]+;found:247.1364.
实施例8:4-溴代-N-(4′-甲基-1′-萘基)苯胺的合成
在25mL反应器中,加入无水磷酸钾(0.106g,0.5mmol)和四(三苯基膦)钯(0.029g,0.025mmol),氮气置换3次后,在氮气保护中加入无水乙二醇二甲醚5mL,搅拌下加入4-溴苯胺(0.086g,0.5mmol)和1-氯甲基萘(0.088g,0.5mmol),50℃搅拌12h,柱层析(硅胶,200-300目;展开剂,石油醚∶乙酸乙酯=100∶1)得到4-溴代-N-(4′-甲基-1′-萘基)苯胺0.084g,产率54%。
4-溴代-N-(4′-甲基-1′-萘基)苯胺
Mp 125.2-125.9℃;IR(neat)ν3393,3068,2940,1583,1489,1387,1303,1175,816,755cm-1;1H-NMR(400MHz,CDCl3)δ2.67(s,3H),5.75(s,1H),6.69(d,J=8.7,2H),7.23-7.27(m,4H),7.46(t,J=7.6,1H),7.54(t,J=7.6,1H),7.98-8.02(m,2H); 13C-NMR(100MHz,CDCl3)δ19.3,20.7,116.3,117.4,122.7,124.9,125.4,126.0,126.7,128.3,129.2,129.6,133.6,137.7,143.0;HRMS(EI)calcd for C18H17N:247.1361[M]+;found:247.1364。
Claims (5)
1.一种芳香胺类化合物的制备方法,其特征在于,以1-氯甲基萘衍生物为原料,在碱和金属钯催化剂的作用下与胺类化合物结合,得到N-取代芳香胺类化合物,合成路线如下:
反应温度在-50℃~150;
R1选自氢,烷基,芳基;
R2选自氢,烷基,芳基;
R3选自氢,烷基,芳基;
R4选自氢,卤素,硝基,甲基,甲氧基,芳基;
R5选自氢,卤素,硝基,甲基,甲氧基,芳基;
金属钯催化剂为四(三苯基膦)钯、三(二亚苄基丙酮)二钯或二(三苯
基膦)二氯化钯。
2.如权利要求1中所述的制备方法,其特征还在于,胺类化合物包括环状胺类化合物和链状胺类化合物;1-氯甲基萘衍生物与胺类化合物的摩尔比为1:1~1:50。
3.如权利要求1中所述的制备方法,其特征还在于,金属钯催化剂包括:二(三苯基膦)二氯化钯、四(三苯基膦)钯、三(二亚苄基丙酮)二钯,1-氯甲基萘衍生物与所用金属钯催化剂的摩尔比为1:0.05~1:0.1。
4.如权利要求1中所述的制备方法,其特征还在于,所述有机溶剂选自四氢呋喃、甲基叔丁基醚、乙二醇二甲醚、三氯甲烷、二氯甲烷、乙醚、正丁醚、二甲基亚砜、四氯化碳、苯、N,N-二甲基甲酰胺、环己烷、正己烷、正庚烷,1-氯甲基萘衍生物的摩尔浓度为0.01mmol/mL~2mmol/mL。
5.如权利要求1中所述的制备方法,其特征还在于,反应中使用的碱包括氢氧化钠、氢氧化钾、碳酸钠、碳酸钾、碳酸氢钠、氢化钠、醋酸钠、乙醇钠、磷酸三钾、叔丁醇钠、叔丁醇钾、碳酸铯、乙酸铯,反应中1-氯甲基萘衍生物与碱的摩尔比为1:1~1:50。
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