CN106496119A - 一种n‑苯基‑8‑氨基喹啉的制备方法 - Google Patents
一种n‑苯基‑8‑氨基喹啉的制备方法 Download PDFInfo
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- aminoquinoline
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- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- WREVVZMUNPAPOV-UHFFFAOYSA-N 8-aminoquinoline Chemical compound C1=CN=C2C(N)=CC=CC2=C1 WREVVZMUNPAPOV-UHFFFAOYSA-N 0.000 title abstract description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 title 1
- 238000006243 chemical reaction Methods 0.000 claims abstract description 34
- QVLAUWZIRSKYEG-UHFFFAOYSA-N 1-phenyl-2H-quinolin-8-amine Chemical compound C1(=CC=CC=C1)N1CC=CC2=CC=CC(=C12)N QVLAUWZIRSKYEG-UHFFFAOYSA-N 0.000 claims abstract description 19
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 7
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical class CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 claims description 5
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical class ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 4
- 229960000549 4-dimethylaminophenol Drugs 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 2
- 150000005012 8-aminoquinolines Chemical class 0.000 claims 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical class CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims 2
- QTMDXZNDVAMKGV-UHFFFAOYSA-L copper(ii) bromide Chemical compound [Cu+2].[Br-].[Br-] QTMDXZNDVAMKGV-UHFFFAOYSA-L 0.000 claims 2
- 229910052740 iodine Inorganic materials 0.000 claims 2
- 239000011630 iodine Substances 0.000 claims 2
- 239000003960 organic solvent Substances 0.000 claims 2
- ONIKNECPXCLUHT-UHFFFAOYSA-N 2-chlorobenzoyl chloride Chemical class ClC(=O)C1=CC=CC=C1Cl ONIKNECPXCLUHT-UHFFFAOYSA-N 0.000 claims 1
- 229910021589 Copper(I) bromide Inorganic materials 0.000 claims 1
- 229910021591 Copper(I) chloride Inorganic materials 0.000 claims 1
- 229910021590 Copper(II) bromide Inorganic materials 0.000 claims 1
- 229910021592 Copper(II) chloride Inorganic materials 0.000 claims 1
- 230000010933 acylation Effects 0.000 claims 1
- 238000005917 acylation reaction Methods 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 claims 1
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 claims 1
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims 1
- 229910001873 dinitrogen Inorganic materials 0.000 claims 1
- OVYTZAASVAZITK-UHFFFAOYSA-M sodium;ethanol;hydroxide Chemical compound [OH-].[Na+].CCO OVYTZAASVAZITK-UHFFFAOYSA-M 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000003786 synthesis reaction Methods 0.000 abstract description 6
- -1 acyl 8-aminoquinoline Chemical compound 0.000 abstract description 5
- 238000006555 catalytic reaction Methods 0.000 abstract description 3
- 239000002738 chelating agent Substances 0.000 abstract description 2
- 150000001879 copper Chemical class 0.000 abstract description 2
- 229910021645 metal ion Inorganic materials 0.000 abstract description 2
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 abstract 1
- 125000003277 amino group Chemical group 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005947 deacylation reaction Methods 0.000 abstract 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical class I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 abstract 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 18
- 239000000047 product Substances 0.000 description 15
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000002390 rotary evaporation Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 125000005266 diarylamine group Chemical group 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 6
- 235000019341 magnesium sulphate Nutrition 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 150000004982 aromatic amines Chemical class 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000975 dye Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- OISVCGZHLKNMSJ-UHFFFAOYSA-N 2,6-dimethylpyridine Chemical compound CC1=CC=CC(C)=N1 OISVCGZHLKNMSJ-UHFFFAOYSA-N 0.000 description 3
- JVVRCYWZTJLJSG-UHFFFAOYSA-N 4-dimethylaminophenol Chemical compound CN(C)C1=CC=C(O)C=C1 JVVRCYWZTJLJSG-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 230000003712 anti-aging effect Effects 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- NWFNSTOSIVLCJA-UHFFFAOYSA-L copper;diacetate;hydrate Chemical compound O.[Cu+2].CC([O-])=O.CC([O-])=O NWFNSTOSIVLCJA-UHFFFAOYSA-L 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 241000531908 Aramides Species 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-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
- 239000002253 acid Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 150000001543 aryl boronic acids Chemical class 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000006482 condensation reaction Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- NFKAWBGFIMBUMB-UHFFFAOYSA-N 1-phenylpentan-2-one Chemical compound CCCC(=O)CC1=CC=CC=C1 NFKAWBGFIMBUMB-UHFFFAOYSA-N 0.000 description 1
- TWJNQYPJQDRXPH-UHFFFAOYSA-N 2-cyanobenzohydrazide Chemical compound NNC(=O)C1=CC=CC=C1C#N TWJNQYPJQDRXPH-UHFFFAOYSA-N 0.000 description 1
- CJNZAXGUTKBIHP-UHFFFAOYSA-N 2-iodobenzoic acid Chemical compound OC(=O)C1=CC=CC=C1I CJNZAXGUTKBIHP-UHFFFAOYSA-N 0.000 description 1
- VGKYEIFFSOPYEW-UHFFFAOYSA-N 2-methyl-4-[(4-phenyldiazenylphenyl)diazenyl]phenol Chemical compound Cc1cc(ccc1O)N=Nc1ccc(cc1)N=Nc1ccccc1 VGKYEIFFSOPYEW-UHFFFAOYSA-N 0.000 description 1
- XWKFPIODWVPXLX-UHFFFAOYSA-N 2-methyl-5-methylpyridine Natural products CC1=CC=C(C)N=C1 XWKFPIODWVPXLX-UHFFFAOYSA-N 0.000 description 1
- CZKLEJHVLCMVQR-UHFFFAOYSA-N 4-fluorobenzoyl chloride Chemical compound FC1=CC=C(C(Cl)=O)C=C1 CZKLEJHVLCMVQR-UHFFFAOYSA-N 0.000 description 1
- CYMPUOGZUXAIMY-UHFFFAOYSA-N 4-methoxy-2-methyl-n-phenylaniline Chemical compound CC1=CC(OC)=CC=C1NC1=CC=CC=C1 CYMPUOGZUXAIMY-UHFFFAOYSA-N 0.000 description 1
- XXYMSQQCBUKFHE-UHFFFAOYSA-N 4-nitro-n-phenylaniline Chemical compound C1=CC([N+](=O)[O-])=CC=C1NC1=CC=CC=C1 XXYMSQQCBUKFHE-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- TUNFSRHWOTWDNC-UHFFFAOYSA-N Myristic acid Natural products CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 description 1
- 235000021360 Myristic acid Nutrition 0.000 description 1
- 238000010751 Ullmann type reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000003934 aromatic aldehydes Chemical class 0.000 description 1
- 150000008365 aromatic ketones Chemical class 0.000 description 1
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000008380 degradant Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- FWQHNLCNFPYBCA-UHFFFAOYSA-N fluoran Chemical class C12=CC=CC=C2OC2=CC=CC=C2C11OC(=O)C2=CC=CC=C21 FWQHNLCNFPYBCA-UHFFFAOYSA-N 0.000 description 1
- 239000013538 functional additive Substances 0.000 description 1
- 229920001002 functional polymer Polymers 0.000 description 1
- 150000002466 imines Chemical class 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 229940050176 methyl chloride Drugs 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- ATGUVEKSASEFFO-UHFFFAOYSA-N p-aminodiphenylamine Chemical compound C1=CC(N)=CC=C1NC1=CC=CC=C1 ATGUVEKSASEFFO-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/38—Nitrogen atoms
- C07D215/40—Nitrogen atoms attached in position 8
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
本发明涉及一种N‑苯基‑8‑氨基喹啉的制备方法,属于有机化学合成技术领域。其特征在于,按如下步骤进行:首先将8‑氨基喹啉与酰氯进行反应,得到酰基8‑氨基喹啉,再与高价碘翁盐在铜盐催化下发生氨基上的芳基化反应,得到N‑苯基‑N‑酰基‑8‑氨基喹啉衍生物;N‑苯基‑N‑酰基‑8‑氨基喹啉再发生脱酰基化反应,得到N‑苯基‑8‑氨基喹啉。本发明的有益效果:本发明操作步骤简单,反应条件温和,同时N‑苯基‑8‑氨基喹啉可以作为优良的螯合剂,能应用于金属离子含量的检测。
Description
技术领域:
本发明涉及一种N-苯基-8-氨基喹啉的制备方法,属于有机化学合成技术领域。
背景技术:
二芳胺作为一种重要的化工原料有着十分广泛的用途。早期二芳胺主要用作染料、医药的合成中间体以及橡胶和高弹体的抗氧剂等;近年来二芳胺作为合成有机光导鼓和有机电致发光材料的重要中间体越来越受到人们的重视。例如:4-氨基二苯胺是合成防老剂、染料和功能聚合物的重要原料,从它出发可合成4010、4010NA、4020及668等多种重要的防老剂,合成蓝色盐RT,酸性大红GR和分散黄GFL等染料,合成聚合物加工中的各种助剂,特别是橡胶工业中的抗氧剂、稳定剂和抗降解剂等功能助剂;4-硝基二苯胺可用于合成橡胶防老剂、染料及抗乙酞胆碱和溃疡的抑制剂等;2-甲基-4-甲氧基二苯胺是合成荧烷系压敏及热敏染料、医药、橡胶、农用化学品的重要原料。[一种二芳胺衍生物的制备方法,CNIO4262167A]现有技术中,二芳胺的合成方法主要有以下几种:
1.芳香伯胺的自身缩合反应
Ar-NH2+H2N-Ar’→Ar-NH-Ar’+NH3
这类反应传统的工艺是在酸性催化剂作用下,于300℃和1MPa-2MPa的压力下进行。反应中放出氨气,用过量的酸进行中和可以促进反应的进行。芳伯胺自身缩合的反应速度普遍较慢,反应时间较长,一般为20h左右,芳伯胺的单程转化率为40%~50%,收率不高。[唐培.精细有机合成化学及工艺学[M].天津大学出版社,1993]
2.芳香伯胺与芳卤化合物的反应
Ar-NH2+X-Ar’→Ar-NH-Ar’+HX
该反应传统的方法是用铜盐为催化剂,用氧化镁、碳酸钠、碳酸钾等为傅酸剂的Ullmann缩合反应。该反应通常要求在约200℃温度下进行,催化剂用量较大,反应受芳卤化合物上的取代基的影响较大,收率不高。后来该反应在贵金属钯催化下100℃左右进行,需要加入由8-氨基喹啉和芳醛或芳酮生成的亚胺配体。[P.Majumder,P.Paul,P.Sengupta,S.Bhattacharya,J.Organom.Chem.,2013,736,1]
3.芳基硼酸与芳胺的反应
芳基硼酸与芳胺反应得到二芳胺该反应在铜催化下进行,需要加入肉豆寇酸和2,6-二甲基吡啶。[Antilla,J.C.;Buchwald,S.L.Org.Lett.2001,3,2077]
4.芳基肼与芳胺的反应
芳基肼与芳胺的反应得到二芳胺该反应在铜催化下进行,需要加入过量的(3当量)邻碘苯甲酸。[Jadhav R.;Huddar N.;Akamanchi G.Eur.J.Org.Chem.,2013,30,6779]
综上所述,现有技术可以制备二芳胺衍生物,但是存在明显的缺点,限制其工业化应用。因此开发反应条件温和、适用范围广泛、符合绿色化学要求的二芳胺合成方法非常重要。另外,文献中关于N-芳基-8-氨基喹啉的合成报道几乎没有,因此,本发明对该类化合物的合成显得尤其重要。
发明内容:
本发明提供了一种反应条件温和,操作简便的N-苯基-8-氨基喹啉的合成方法,本发明合成的N-苯基-8-氨基喹啉可以作为优良的螯合剂,能应用于金属离子含量的检测。
为达到上述目的,本发明N-苯基-8-氨基喹啉的合成路线为:
具体实施方式
下面结合具体实施例对本发明作进一步说明。
实施例一:一种N-苯基-8-氨基喹啉衍生物的制备,其合成路线是:
实施例一:一种N-苯基-8-氨基喹啉衍生物的制备方法,按如下步骤进行:
(1)室温下,将8-氨基喹啉(1.0eq,10.0mmol),苯甲酰氯(1.1eq,11mmol),Et3N(1.2eq,1.66mL),DMAP(0.3eq,3mmol)在二氯甲烷中于氮气条件下进行反应,12小时后,加水淬灭反应,二氯甲烷萃取,硫酸镁干燥,旋蒸浓缩进行柱层分离,得到目标产物(2.2300g,90%)。
(2)取上一步的目标产物I(1.0eq,1mmol),一水合醋酸铜(0.2eq,0.2mmol),[PhIPh]PF6(2.0eq,2mmol)到1,2-二氯乙烷中,在80℃的油浴锅中反应48h,进行TLC检测,反应结束后,加水淬灭反应,用乙酸乙酯萃取,硫酸镁干燥,旋蒸浓缩进行柱层分离,得到目标产物II(0.2360g,73%)。M.P.=47-49℃.1H NMR(400MHz,CDCl3):8.95-8.85(m,1H),8.08(d,J=7.6Hz,1H),7.71(d,J=8.1Hz,1H),7.63-7.55(m,3H),7.47(t,J=7.8Hz,1H),7.34(dd,J=8.3,4.1Hz,1H),7.26–7.07(m,8H);13C NMR(100MHz,CDCl3):171.6,150.7,144.7,144.4,141.8,136.8,135.8,129.7,129.3,129.2,128.9,128.7,127.6,127.4,126.8,126.3,125.8,121.6.
(3)取上一步的目标产物II(1.0eq,0.5mmol),NaOH(15eq,7.5mmol)在乙醇中加热回流,反应10h后进行TLC检测,加水淬灭反应,用乙酸乙酯萃取,硫酸镁干燥,旋蒸浓缩进行柱层分离,得到目标产物III(0.0748g,68%)。1H NMR(400MHz,CDCl3):8.87-8.81(m,1H),8.35(s,1H),8.14(dd,J=8.3,1.7Hz,1H),7.57(d,J=7.7Hz,1H),7.49-7.41(m,6H),7.29-7.23(m,1H),7.14-7.09(m,1H);13C NMR(100MHz,CDCl3):147.2,141.8,140.2,138.5,136.1,129.3,128.8,127.2,122.1,121.5,120.0,116.5,107.7.
实施例二:一种N-苯基-8-氨基喹啉衍生物的制备,其合成路线是:
实施例二:一种N-苯基-8-氨基喹啉衍生物的制备,其合成路线是:
(1)室温下,将8-氨基喹啉(1.0eq,10.0mmol),邻甲基苯甲酰氯(1.1eq,11mmol),Et3N(1.2eq,1.66mL),DMAP(0.3eq,0.366g)在二氯甲烷中于氮气条件下进行反应,12小时后,加水淬灭反应,二氯甲烷萃取,硫酸镁干燥,旋蒸浓缩进行柱层分离,得到目标产物(2.2500g,86%)。
(2)取上一步的目标产物I(1.0eq,1.0mmol),一水合醋酸铜(0.2eq,0.2mmol),[PhIPh]PF6(2.0eq,2.0mmol)到1,2-二氯乙烷中,在80℃的油浴锅中反应48h,进行TLC检测,反应结束后,加水淬灭反应,用乙酸乙酯萃取,硫酸镁干燥,旋蒸浓缩进行柱层分离,得到目标产物II(0.3170g,94%)。M.P.=118-120℃。1H NMR(400MHz,CDCl3):8.99(d,J=2.3Hz,1H),8.11(s,1H),7.83-6.87(m,4H),2.65(s,3H);13C NMR(100MHz,CDCl3):171.7,150.5,144.6,143.9,141.2,136.5,135.9,130.2,129.2,128.7,128.6,127.8,126.9,126.2,125.9,121.6,19.84.
(3)取上一步的目标产物II(1.0eq,0.5mmol),NaOH(15eq,7.5mmol)在乙醇中加热回流,反应10h后进行TLC检测,加水淬灭反应,用乙酸乙酯萃取,硫酸镁干燥,旋蒸浓缩进行柱层分离,得到目标产物III(0.0770g,70%)。
实施例三:一种N-苯基-8-氨基喹啉衍生物的制备,其合成路线是:
实施例三:一种N-苯基-8-氨基喹啉衍生物的制备,其合成路线是:
(1)室温下,将8-氨基喹啉(1.0eq,10.0mmol),对氟苯甲酰氯(1.1eq,11mmol),Et3N(1.2eq,1.66mL),DMAP(0.3eq,3mmol)在二氯甲烷中于氮气条件下进行反应,12小时后,加水淬灭反应,二氯甲烷萃取,硫酸镁干燥,旋蒸浓缩进行柱层分离,得到目标产物(2.3400g,88%)。
(2)取上一步的目标产物I(1.0eq,1mmol),一水合醋酸铜(0.2eq,0.2mmol),[PhIPh]PF6(2.0eq,2mmol)到1,2-二氯乙烷中,在80℃的油浴锅中反应48h,进行TLC检测,反应结束后,加水淬灭反应,用乙酸乙酯萃取,硫酸镁干燥,旋蒸浓缩进行柱层分离,得到目标产物II(0.2630g,77%)。M.P.=119-121℃。1H NMR(400MHz,CDCl3):8.89(dd,J=4.2,1.7Hz,1H),8.19-8.02(m,1H),7.77-7.68(m,1H),7.68-7.42(m,4H),7.38-7.32(m,1H),7.31-7.17(m,4H),7.16-7.08(m,1H),6.77(t,J=8.6Hz,2H).13C NMR(100MHz,CDCl3):170.6,164.5,162.0,150.7,144.5,144.2,141.7,135.9,131.2,131.1,129.2,129.1,128.8,127.7,126.8,126.3,125.9,121.6,114.5,114.3.
(3)取上一步的目标产物II(1.0eq,0.5mmol),NaOH(15eq,7.5mmol)在乙醇中加热回流,反应10h后进行TLC检测,加水淬灭反应,用乙酸乙酯萃取,硫酸镁干燥,旋蒸浓缩进行柱层分离,得到目标产物III(0.0726g,66%)。
Claims (5)
1.一种N-苯基-8-氨基喹啉的制备方法,其特征是,(1)室温下,将8-氨基喹啉,取代的苯甲酰氯,三乙胺,DMAP在二氯甲烷中于氮气条件下进行反应,得到N-酰基保护的8-氨基喹啉;(2)将得到的酰基化8-氨基喹啉,铜盐,高价碘盐加入到有机溶剂中,在油浴锅中加热反应;(3)得到的产品再在氢氧化钠乙醇溶液中回流得到N-苯基-8-氨基喹啉。
2.如权利要求1所述的一种N-苯基-8-氨基喹啉的制备方法,其特征在于,步骤(2)中铜盐为Cu(OAc)2,CuCl2,CuBr2,CuCl,CuBr,CuI中的一种或几种,催化量为10-20mol%。
3.如权利要求1所述的一种N-苯基-8-氨基喹啉的制备方法,其特征在于,步骤(2)中所述反应温度为80℃,反应时间为48h。
4.如权利要求1所述的一种N-苯基-8-氨基喹啉的制备方法,其特征在于,步骤(2)中所述高价碘盐为[PhIPh]PF6、[PhIPh]BF4、[PhIPh]OTf中的一种或几种。
5.如权利要求1所述的一种N-苯基-8-氨基喹啉的制备方法,其特征在于,步骤(2)中所述有机溶剂为二氯甲烷,1,2-二氯乙烷,1,4-二氧六环,N,N-二甲基甲酰胺中的一种或几种。
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