CN115368268A - 一种高效制备偶氮化合物的方法及其应用 - Google Patents
一种高效制备偶氮化合物的方法及其应用 Download PDFInfo
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- CN115368268A CN115368268A CN202211038053.3A CN202211038053A CN115368268A CN 115368268 A CN115368268 A CN 115368268A CN 202211038053 A CN202211038053 A CN 202211038053A CN 115368268 A CN115368268 A CN 115368268A
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- -1 azo compound Chemical class 0.000 title claims abstract description 40
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 69
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 69
- 239000001301 oxygen Substances 0.000 claims abstract description 69
- 238000006243 chemical reaction Methods 0.000 claims abstract description 68
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 189
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 186
- 125000004432 carbon atom Chemical group C* 0.000 claims description 106
- 150000001875 compounds Chemical class 0.000 claims description 31
- 229910052736 halogen Inorganic materials 0.000 claims description 19
- 150000002367 halogens Chemical class 0.000 claims description 19
- DQFBYFPFKXHELB-UHFFFAOYSA-N Chalcone Natural products C=1C=CC=CC=1C(=O)C=CC1=CC=CC=C1 DQFBYFPFKXHELB-UHFFFAOYSA-N 0.000 claims description 16
- 235000005513 chalcones Nutrition 0.000 claims description 16
- 125000003118 aryl group Chemical group 0.000 claims description 15
- DQFBYFPFKXHELB-VAWYXSNFSA-N trans-chalcone Chemical compound C=1C=CC=CC=1C(=O)\C=C\C1=CC=CC=C1 DQFBYFPFKXHELB-VAWYXSNFSA-N 0.000 claims description 15
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- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 12
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- 125000003342 alkenyl group Chemical group 0.000 claims description 12
- 125000003545 alkoxy group Chemical group 0.000 claims description 12
- 125000003282 alkyl amino group Chemical group 0.000 claims description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 12
- 125000000304 alkynyl group Chemical group 0.000 claims description 12
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 12
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- 125000001072 heteroaryl group Chemical group 0.000 claims description 7
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- 238000004519 manufacturing process Methods 0.000 claims description 3
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 claims description 2
- 125000004541 benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 claims description 2
- 125000002541 furyl group Chemical group 0.000 claims description 2
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- 125000001624 naphthyl group Chemical group 0.000 claims description 2
- 125000002971 oxazolyl group Chemical group 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
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- 125000004076 pyridyl group Chemical group 0.000 claims description 2
- 125000000168 pyrrolyl group Chemical group 0.000 claims description 2
- 125000005493 quinolyl group Chemical group 0.000 claims description 2
- 125000000335 thiazolyl group Chemical group 0.000 claims description 2
- 125000001544 thienyl group Chemical group 0.000 claims description 2
- GSNUFIFRDBKVIE-UHFFFAOYSA-N DMF Natural products CC1=CC=C(C)O1 GSNUFIFRDBKVIE-UHFFFAOYSA-N 0.000 claims 2
- 125000003277 amino group Chemical group 0.000 claims 1
- 125000005843 halogen group Chemical group 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims 1
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 claims 1
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- 239000003054 catalyst Substances 0.000 abstract description 4
- 238000003786 synthesis reaction Methods 0.000 abstract description 4
- HKOOXMFOFWEVGF-UHFFFAOYSA-N phenylhydrazine Chemical compound NNC1=CC=CC=C1 HKOOXMFOFWEVGF-UHFFFAOYSA-N 0.000 abstract description 3
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- 239000000654 additive Substances 0.000 abstract description 2
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- 238000006735 epoxidation reaction Methods 0.000 abstract 1
- 150000002561 ketenes Chemical class 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 63
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 62
- 239000012044 organic layer Substances 0.000 description 61
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 56
- 238000005481 NMR spectroscopy Methods 0.000 description 39
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 27
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 14
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- GVOISEJVFFIGQE-YCZSINBZSA-N n-[(1r,2s,5r)-5-[methyl(propan-2-yl)amino]-2-[(3s)-2-oxo-3-[[6-(trifluoromethyl)quinazolin-4-yl]amino]pyrrolidin-1-yl]cyclohexyl]acetamide Chemical compound CC(=O)N[C@@H]1C[C@H](N(C)C(C)C)CC[C@@H]1N1C(=O)[C@@H](NC=2C3=CC(=CC=C3N=CN=2)C(F)(F)F)CC1 GVOISEJVFFIGQE-YCZSINBZSA-N 0.000 description 12
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- QOLHWXNSCZGWHK-BWBORTOCSA-N (6r,7r)-1-[(4s,5r)-4-acetyloxy-5-methyl-3-methylidene-6-phenylhexyl]-4,7-dihydroxy-6-(11-phenoxyundecylcarbamoyloxy)-2,8-dioxabicyclo[3.2.1]octane-3,4,5-tricarboxylic acid Chemical compound C([C@@H](C)[C@H](OC(C)=O)C(=C)CCC12[C@@H]([C@@H](OC(=O)NCCCCCCCCCCCOC=3C=CC=CC=3)C(O1)(C(O)=O)C(O)(C(O2)C(O)=O)C(O)=O)O)C1=CC=CC=C1 QOLHWXNSCZGWHK-BWBORTOCSA-N 0.000 description 2
- YLLRPQWLASQXSI-UHFFFAOYSA-N 3-(4b,8a,9,9a-tetrahydro-4aH-pyrido[2,3-b]indol-4-ylamino)phenol Chemical compound Oc1cccc(NC2=CC=NC3NC4C=CC=CC4C23)c1 YLLRPQWLASQXSI-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C245/00—Compounds containing chains of at least two nitrogen atoms with at least one nitrogen-to-nitrogen multiple bond
- C07C245/02—Azo compounds, i.e. compounds having the free valencies of —N=N— groups attached to different atoms, e.g. diazohydroxides
- C07C245/06—Azo compounds, i.e. compounds having the free valencies of —N=N— groups attached to different atoms, e.g. diazohydroxides with nitrogen atoms of azo groups bound to carbon atoms of six-membered aromatic rings
- C07C245/08—Azo compounds, i.e. compounds having the free valencies of —N=N— groups attached to different atoms, e.g. diazohydroxides with nitrogen atoms of azo groups bound to carbon atoms of six-membered aromatic rings with the two nitrogen atoms of azo groups bound to carbon atoms of six-membered aromatic rings, e.g. azobenzene
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen 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
- C07D213/72—Nitrogen atoms
- C07D213/76—Nitrogen atoms to which a second hetero atom is attached
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D261/00—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings
- C07D261/02—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings
- C07D261/06—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members
- C07D261/10—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members 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
- C07D261/14—Nitrogen atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/12—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms
- C07D303/32—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms by aldehydo- or ketonic radicals
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Abstract
一种高效制备偶氮化合物的方法及其应用,属于有机合成领域。该方法是一种无任何添加剂或催化剂的有氧氧化策略,可将氢化偶氮芳香族化合物高效地转化为偶氮化合物。在氧气或者空气气氛下,在反应溶剂中加热即可将氢化偶氮苯、氢化杂环偶氮衍生物高效地转化成对应的偶氮化合物。该方法具有较高的产率和官能团耐受性,反应后的产物可通过简单水洗得到,无需柱层析等其他纯化步骤。克级制备偶氮苯和烯酮类化合物的环氧化反应进一步验证了该方法的应用潜力。
Description
本发明属于有机合成领域,特别涉及一种无任何添加剂或催化剂制备偶氮芳香族化合物的方法及其应用。
背景技术
具有N=N基团的芳香性偶氮化合物在治疗剂、指示剂、染料、颜料、化学传感器、聚合物、软材料、光化学开关和有机化学中的反应单元方面具有很高的价值。关于芳香偶氮化合物的制备方法主要包括:Mills缩合反应,苯胺的氧化偶联,硝基芳香化合物的还原,重氮盐与芳香化合物的偶联。此外,氢化偶氮苯类化合物的直接脱氢是制备偶氮苯的一种不可缺少的有效方法。然而,关于氢化偶氮苯直接脱氢制取偶氮苯的报道却很少。在KClO3/H2SO4等强氧化剂的作用下,FeSO4能够将肼转化为偶氮苯。在H2O2或氧气存在的情况下,钒(V)、TiCl3/HBr、Pd(OAc)2络合物、亚硝酸叔丁酯、TEMPO也能起到催化氢化偶氮苯向偶氮苯的转化。但是,上述方法催化剂载入量高、后处理复杂,产率较低,更为高效、便捷的使用氢化偶氮芳香族化合物制备偶氮芳香族化合物的方法急需开发。
发明内容
本发明的目的是为了克服已报道的偶氮芳香族化合物合成中所遇到的问题,提供一种更为高效、便捷、“绿色”的偶氮芳香族化合物制备方法,本方法的中间产物过氧化氢可以和烯酮类化合物发生环氧化反应,实现多组分反应的目的。本发明提供一种高效制备偶氮化合物的方法,在氧气或者空气气氛下,将通式I的化合物在溶剂中加热得到通式II的偶氮化合物;
其中,R1、R2各自独立的选自含有取代基或者不含取代基的C5-C30的芳基、含有取代基或者不含取代基的C1-C30的杂芳基。
所述取代基选自氢、碳原子数为1-30的烷基、碳原子数为1-30的烷氧基、碳原子数为1-30的烷氨基、碳原子数为1-30的环烷基、碳原子数为5-30的芳基、碳原子数为1-16的杂环基、碳原子数为2-15的烯基、碳原子数为2-15的炔基、甲磺酰基、氨基、硝基、羟基、卤素、氰基、醛基、碳原子数为2-15酯基、磺酸基、亚磺酸基、羧基、卤素、x为1-200的整数。本发明提供一种制备环氧查尔酮的方法,在氧气或者空气气氛下,将通式IV的化合物、所述的通式I的化合物和试剂A混合加热反应得到通式V的环氧查尔酮;
其中,R3、R4各自独立的为R5-R9各自独立的为氢、碳原子数为1-30的烷基、碳原子数为1-30的烷氨基、碳原子数为1-30的烷氧基、碳原子数为1-30的环烷基、碳原子数为5-30的芳基、碳原子数为1-16的杂环基、碳原子数为2-15的烯基、碳原子数为2-15的炔基、甲磺酰基、氨基、硝基、羟基、卤素、氰基、醛基、碳原子数为2-15酯基、磺酸基、亚磺酸基、羧基、卤素、x为1-200的整数。
试剂A选自碳酸盐中的至少一种。
本发明的有益效果:一种高效制备偶氮化合物及应用。这种高效制备偶氮化合物方法在氧气或者空气气氛下,在反应溶剂中加热即可将氢化偶氮苯、氢化杂环偶氮衍生物高效地转化成对应的偶氮化合物。该方法具有较高的产率和官能团耐受性,反应后的产物可通过简单水洗直接得到,无需其他纯化步骤,实现了高效、便捷、“绿色”无添加的合成偶氮苯及杂环衍生物。另外,该方法可以联合制备环氧查尔酮,无需任何催化剂,制备偶氮化合物的同时合成环氧查尔酮化合物。
具体实施方式
本发明用以下具体实施方式和实施例加以说明但不局限于此,其中除非另有说明。
一种高效制备偶氮化合物的方法,在氧气或者空气气氛下,将通式I的化合物在溶剂中加热得到通式II的偶氮化合物;
其中,R1、R2各自独立的选自含有取代基或者不含取代基的C5-C30的芳基、含有取代基或者不含取代基的C1-C30的杂芳基。
取代基选自氢、碳原子数为1-30的烷基、碳原子数为1-30的烷氧基、碳原子数为1-30的烷氨基、碳原子数为1-30的环烷基、碳原子数为5-30的芳基、碳原子数为1-16的杂环基、碳原子数为2-15的烯基、碳原子数为2-15的炔基、甲磺酰基、氨基、硝基、羟基、卤素、氰基、醛基、碳原子数为2-15酯基、磺酸基、亚磺酸基、羧基、卤素、x为1-200的整数。在一些具体制备偶氮化合物的方法中,R1、R2各自独立的为含有取代基或者不含取代基的碳原子数为1-15的杂芳基、含有取代基或者不含取代基的苯基或者含有取代基或者不含取代基的奈基。
在一些具体制备偶氮化合物的方法中,杂芳基选自吡啶基、喹啉基、异噁唑基、噁唑基、吡唑基、呋喃基、噻吩基、噻唑基、咪唑基、吡咯基、硒吩基、噻咯基、碲吩基、嘧啶苯并噻唑基、苯并噁唑基、苯并咪唑基。
在一些具体制备偶氮化合物的方法中,取代基选自氢、碳原子数为1-20的烷基、碳原子数为1-20的烷氧基、碳原子数为1-20的烷氨基、碳原子数为1-20的环烷基、碳原子数为5-15的芳基、碳原子数为1-10的杂环基、碳原子数为2-10的烯基、碳原子数为2-10的炔基、甲磺酰基、氨基、硝基、羟基、卤素、氰基、醛基、酯基、磺酸基、亚磺酸基、羧基或者x为1-200的整数。
在一些具体制备偶氮化合物的方法中,溶剂选自DMF、DMSO、乙酸乙酯、乙腈、二氯甲烷、氯仿、四氢呋喃、乙醚、甲苯、苯、1,4-二恶烷、正己烷、乙醇中的至少一种。
在一些具体制备偶氮化合物的方法中,在氧气气氛下,溶剂为DMF,加热温度为40-150°,反应时间为2-15h。
在一些具体制备偶氮化合物的方法中,反应在常压进行。
在一些具体制备偶氮化合物的方法中,反应加压进行
一种制备环氧查尔酮的具体方法,在氧气或者空气气氛下,将1eq的通式IV的化合物、2eq的所述的通式I的化合物和2eq的试剂A混合加热反应得到通式V的环氧查尔酮;
R5-R9各自独立的为氢、碳原子数为1-30的烷基、碳原子数为1-30的烷氨基、碳原子数为1-30的烷氧基、碳原子数为1-30的环烷基、碳原子数为5-30的芳基、碳原子数为1-16的杂环基、碳原子数为2-15的烯基、碳原子数为2-15的炔基、甲磺酰基、氨基、硝基、羟基、卤素、氰基、醛基、碳原子数为2-15酯基、磺酸基、亚磺酸基、羧基、卤素、x为1-200的整数。
试剂A选自碳酸盐中的至少一种。
在一些具体制备环氧查尔酮的方法中,试剂A选自碳酸钾、碳酸铯、碳酸钠中的至少一种。
制备环氧查尔酮的方法的另一个产物是通式II的偶氮化合物。
在一些具体制备环氧查尔酮的方法中,取代基选自氢、碳原子数为1-20的烷基、碳原子数为1-20的烷氧基、碳原子数为1-20的烷氨基、碳原子数为1-20的环烷基、碳原子数为5-15的芳基、碳原子数为1-10的杂环基、碳原子数为2-10的烯基、碳原子数为2-10的炔基、甲磺酰基、氨基、硝基、羟基、卤素、氰基、醛基、酯基、磺酸基、亚磺酸基、羧基或者x为1-200的整数。
在一些具体制备环氧查尔酮的方法中,反应在溶剂中进行,溶剂选自DMF、DMSO、乙酸乙酯、乙腈、二氯甲烷、氯仿、四氢呋喃、乙醚、甲苯、苯、1,4-二恶烷、正己烷、乙醇中的至少一种。
在一些具体制备环氧查尔酮的方法中,加热温度为40-150°,反应时间为2-15h。一种制备偶氮化合物的具体过程为:在氧气气氛下,将下式的化合物1(或3)溶解在一定量的DMF中,在80摄氏度之下加热反应,反应结束后加水,使用乙酸乙酯萃取三次,合并的有机相使用饱和食盐水水洗,无水硫酸钠干燥后浓缩即可得到纯品偶氮化合物。
式中,R1-R10各自独立的为氢、碳原子数为1-30的烷基、碳原子数为1-30的烷氨基、碳原子数为1-30的烷氧基、碳原子数为1-30的环烷基、碳原子数为5-30的芳基、碳原子数为1-16的杂环基、碳原子数为2-15的烯基、碳原子数为2-15的炔基、甲磺酰基、氨基、硝基、羟基、卤素、氰基、醛基、碳原子数为2-15酯基、磺酸基、亚磺酸基、羧基、卤素、x为1-200的整数。
一种环氧查尔酮的具体过程和反应式如下:
式中,R11-R20各自独立的为氢、碳原子数为1-30的烷基、碳原子数为1-30的烷氨基、碳原子数为1-30的烷氧基、碳原子数为1-30的环烷基、碳原子数为5-30的芳基、碳原子数为1-16的杂环基、碳原子数为2-15的烯基、碳原子数为2-15的炔基、甲磺酰基、氨基、硝基、羟基、卤素、氰基、醛基、碳原子数为2-15酯基、磺酸基、亚磺酸基、羧基、卤素、x为1-200的整数。
一种制备环氧查尔酮的反应的具体步骤为:化合物5,2eq化合物1a和2eq的碳酸钾溶于DMF中,在80摄氏度,氧气气氛下反应,即可得到环氧化产物6和偶氮苯,使用硅胶柱层析即可对上述产物分离,纯化。
以下结合技术方案详细叙述本发明的具体实施例:
实施例1
偶氮苯2a的制备
在氧气气氛中,将化合物1a(184mg,1.0mmol)溶解在2mL DMF中,在80℃搅拌3h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2a,182mg,收率为100%。1H NMR(400MHz,CDCl3)δ7.95(d,J=6.8Hz,2H),7.63–7.42(m,3H).
实施例2
偶氮苯类似物2b的制备
在氧气气氛中,将4-溴氢化偶氮苯(131.5mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2b 130.5mg,收率为100%。1H NMR(270MHz,Chloroform-d)δ7.98–7.91(m,2H),7.82(d,J=8.7Hz,2H),7.66(d,J=8.7Hz,2H),7.53(m,3H).
实施例3
偶氮苯类似物2c的制备
在氧气气氛中,将3-溴氢化偶氮苯(131.5mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌10h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2c 130.5mg,收率为100%。1H NMR(270MHz,Chloroform-d)δ8.07-8.06(m,1H),7.95-7.87(m,3H),7.62-7.50(m,4H),7.40(t,J=7.9Hz,1H).
实施例4
偶氮苯类似物2d的制备
在氧气气氛中,将4-氯氢化偶氮苯(109.5mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌3h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2d 108.5mg,收率为100%。1H NMR(270MHz,Chloroform-d)δ7.94-7.87(m,4H),7.55-7.48(m,5H).
实施例5
偶氮苯类似物2e的制备
在氧气气氛中,将4-氟氢化偶氮苯(101mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2e 99mg,收率为99%。1H NMR(270MHz,Chloroform-d)δ8.00-7.91(m,4H),7.57-7.49(m,3H),7.25-7.19(m,2H).
实施例6
偶氮苯类似物2f的制备
在氧气气氛中,将4-三氟甲基氢化偶氮苯(126mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌7.5h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2f 124mg,收率为99%。1H NMR(270MHz,Chloroform-d)δ8.02-7.94(m,4H),7.79(d,J=8.4Hz,2H),7.56-7.53(m,3H).
实施例7
偶氮苯类似物2g的制备
在氧气气氛中,将4-乙氧基氢化偶氮苯(114mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌3h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2g 113mg,收率为100%。1H NMR(270MHz,Chloroform-d)δ7.93-7.86(m,4H),7.53-7.43(m,3H),7.00(d,J=8.9Hz,2H),4.12(q,J=7.0Hz,2H),1.46(t,J=7.0Hz,3H).
实施例8
偶氮苯类似物2h的制备
在氧气气氛中,将4,4-二溴氢化偶氮苯(171mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2h 170mg,收率为100%。1H NMR(270MHz,Chloroform-d)δ7.79(d,J=8.7Hz,4H),7.65(d,J=8.7Hz,4H).
实施例9
偶氮苯类似物2i的制备
在氧气气氛中,将4,4-二氯氢化偶氮苯(126.5mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2i 124mg,收率为99%。1H NMR(270MHz,Chloroform-d)δ7.86(d,J=8.5Hz,4H),7.49(d,J=8.4Hz,4H).
实施例10
偶氮苯类似物2j的制备
在氧气气氛中,将4,4-二甲基氢化偶氮苯(106mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2J 105mg,收率为100%。1H NMR(270MHz,Chloroform-d)δ7.84(d,J=7.9Hz,4H),7.32(d,J=7.8Hz,4H).
实施例11
偶氮苯类似物4a的制备
在氧气气氛中,将3a(186mg,1.0mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2k 180mg,收率为98%。1H NMR(270MHz,Chloroform-d)δ8.83(d,J=9.0Hz,4H),7.71(d,J=9.1Hz,4H).
实施例12
偶氮苯类似物4b的制备
在氧气气氛中,将1,2-双(5-甲基异恶唑-3-基)肼(194mg,1.0mmol)溶解在2mLDMF中,在80℃搅拌3h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2l 192mg,收率为100%。1H NMR(270MHz,Chloroform-d)δ6.41(s,2H),2.51(s,6H).
实施例13
化合物6a的制备
在氧气气氛中,将查尔酮(104mg,0.5mmol)、化合物1a(184mg,1.0mmol)、溶解在3mL DMF中,然后加入碳酸钾(138mg,1.0mmol)在80℃搅拌1h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩,然后利用硅胶柱法分离得到化合物4a 104mg,收率为93%。1H NMR(400MHz,Chloroform-d)δ8.01(d,J=7.2Hz,2H),7.62(t,J=7.4Hz,1H),7.49(t,J=7.8Hz,2H),7.43-7.37(m,5H),4.30(s,1H),4.08(s,1H).13C NMR(101MHz,CDCl3)δ192.0,134.5,133.0,128.0,127.9,127.8,127.3,124.8,60.0,58.3.
实施例14
化合物6b的制备
在氧气气氛中,将4’-氟查尔酮(113mg,0.5mmol)、化合物1a(184mg,1.0mmol)、溶解在3mL DMF中,然后加入碳酸钾(138mg,1.0mmol),在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩,然后利用硅胶柱法分离得到化合物4b 116mg,收率为96%。1H NMR(400MHz,Chloroform-d)δ8.06(dd,J=9.0,5.4Hz,2H),7.40-7.37(m,5H),7.16(t,J=8.7Hz,2H),4.24(d,J=1.9Hz,1H),4.08(d,J=1.9Hz,1H).13C NMR(101MHz,CDCl3)δ190.6 166.5,164.0,134.3,130.2,128.1,127.8,124.8,115.0,60.1,58.3.
实施例15
化合物6c的制备
在氧气气氛中,将4’-氯查尔酮(121.5mg,0.5mmol)、化合物1a(184mg,1.0mmol)、溶解在3mL DMF中,然后加入碳酸钾(138mg,1.0mmol),在80℃搅拌4h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩,然后利用硅胶柱法分离得到化合物4c 126mg,收率为97%。1H NMR(400MHz,Chloroform-d)δ7.97(d,J=8.6Hz,2H),7.47(d,J=8.6Hz,2H),7.40-7.36(m,5H),4.23(d,J=1.8Hz,1H),4.07(d,J=1.5Hz,1H).13C NMR(101MHz,CDCl3)δ192.1,140.6,135.3,133.7,129.8,129.27,129.2,128.8,125.8,61.1,59.4.
实施例16
化合物6d的制备
在氧气气氛中,将4’-溴查尔酮(143.5mg,0.5mmol)、化合物1a(184mg,1.0mmol)、溶解在3mL DMF中,然后加入碳酸钾(138mg,1.0mmol),在80℃搅拌4h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩,然后利用硅胶柱法分离得到化合物4d 145mg,收率为96%。1H NMR(400MHz,Chloroform-d)δ7.89(d,J=8.6Hz,2H),7.64(d,J=8.6Hz,2H),7.42-7.37(m,5H),4.23(s,1H),4.08(s,1H).13C NMR(101MHz,CDCl3)δ191.3,134.3,133.1,131.2,128.9,128.4,128.1,127.8,124.8,60.1,58.4.
实施例17
化合物6e的制备
在氧气气氛中,将3’-氯查尔酮(121.5mg,0.5mmol)、化合物1a(184mg,1.0mmol)、溶解在3mL DMF中,然后加入碳酸钾(138mg,1.0mmol),在80℃搅拌4h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩,然后利用硅胶柱法分离得到化合物4e 126mg,收率为96%。1H NMR(400MHz,Chloroform-d)δ7.99(s,1H),7.89(d,J=7.8Hz,1H),7.59(d,J=8.0Hz,1H),7.45-7.36(m,6H),4.24(s,1H),4.08(s,1H).13C NMR(101MHz,CDCl3)δ191.1,135.9,134.3,134.1,132.9,129.2,128.2,127.8,127.38,125.5,124.8,60.0,58.5.
实施例18
化合物6f的制备
在氧气气氛中,将4’-甲基查尔酮(111mg,0.5mmol)、化合物1a(184mg,1.0mmol)、溶解在3mL DMF中,然后加入碳酸钾(138mg,1.0mmol),在80℃搅拌4h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩,然后利用硅胶柱法分离得到化合物4f 113mg,收率为95%。1H NMR(400MHz,Chloroform-d)δ7.92(d,J=8.2Hz,2H),7.40-7.38(M,5H),7.28(d,J=8.0Hz,2H),4.28(s,1H),4.07(s,1H),2.43(s,3H).13C NMR(101MHz,CDCl3)δ191.6,144.0,134.7,132.1,128.6,128.0,127.7,127.5,124.8,59.9,58.3,20.8.
实施例19
化合物6g的制备
在氧气气氛中,将4’-甲氧基查尔酮(119mg,0.5mmol)、化合物1a(184mg,1.0mmol)、溶解在3mL DMF中,然后加入碳酸钾(138mg,1.0mmol),在80℃搅拌3h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩,然后利用硅胶柱法分离得到化合物4g 99mg,收率为78%。1H NMR(400MHz,Chloroform-d)δ8.01(d,J=8.9Hz,2H),7.39-7.38(m,5H),6.95(d,J=8.9Hz,2H),4.25(s,1H),4.07(s,1H),3.88(s,3H).13C NMR(101MHz,CDCl3)δ190.34,163.2,134.7,129.8,127.9,127.7,127.6,124.8,113.1,59.9,58.1,54.5.
实施例20
化合物6h的制备
在氧气气氛中,将4-硝基查尔酮(126.5mg,0.5mmol)、化合物1a(184mg,1.0mmol)、溶解在3mL DMF中,然后加入碳酸钾(138mg,1.0mmol),在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩,然后利用硅胶柱法分离得到化合物4h 44mg,收率为33%。1H NMR(400MHz,Chloroform-d)δ8.21(d,J=8.7Hz,2H),7.94(d,J=8.5Hz,2H),7.50-7.45(m,5H),4.21(s,1H),4.14(s,1H).13C NMR(101MHz,CDCl3)δ191.0,141.8,133.3,128.7,128.0,127.4,125.6,123.1,122.5,59.9,57.0.
实施例21
化合物6i的制备
在氧气气氛中,将4-甲氧基查尔酮(119mg,0.5mmol)、化合物1a(184mg,1.0mmol)、溶解在3mL DMF中,然后加入碳酸钾(138mg,1.0mmol),在80℃搅拌4h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩,然后利用硅胶柱法分离得到化合物4i 100mg,收率为79%。1H NMR(400MHz,Chloroform-d)δ8.01(d,J=7.3Hz,2H),7.62(t,J=7.4Hz,1H),7.49(t,J=7.7Hz,2H),7.30(d,J=8.7Hz,2H),6.93(d,J=8.7Hz,2H),4.29(s,1H),4.02(s,1H),3.83(s,3H).13CNMR(101MHz,CDCl3)δ192.3,159.4,134.6,132.9,131.0,127.9,127.3,126.2,113.3,60.1,58.4,54.4.
实施例22
化合物6j的制备
在氧气气氛中,将4,4’-二氯查尔酮(138.5mg,0.5mmol)、化合物1a(184mg,1.0mmol)、溶解在3mL DMF中,然后加入碳酸钾(138mg,1.0mmol),在80℃搅拌4h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩,然后利用硅胶柱法分离得到化合物4j 140mg,收率为96%。1H NMR(400MHz,Chloroform-d)δ7.96(d,J=8.7Hz,2H),7.47(d,J=8.7Hz,2H),7.38(d,J=8.5Hz,2H),7.30(d,J=8.5Hz,2H),4.18(d,J=1.9Hz,1H),4.06(d,J=1.8Hz,1H).13C NMR(101MHz,CDCl3)δ191.7,140.8,135.1,133.8,133.6,129.8,129.3,129.1,127.1,61.0,58.7.
实施例23
查尔酮5a的制备
将适当的4-溴苯乙酮(2mmol)和苯甲醛(2mmol)混合,加入氢氧化钠(4mmol)和10mL甲醇作为溶剂。将所得混合物在室温下搅拌20h,加水100mL,用CH2Cl2(3×30mL)提取产物。收集有机层,用无水硫酸钠干燥,将溶液浓缩至干燥,然后利用硅胶柱法分离得到化合物5a。1H NMR(400MHz,Chloroform-d)δ7.89(d,J=8.6Hz,2H),7.82(d,J=15.7Hz,1H),7.66-7.64(m,4H),7.47(d,J=15.7Hz,1H),7.44-7.42(m,3H).13C NMR(101MHz,CDCl3)δ188.4,144.4,136.0,133.7,130.9,129.7,129.0,128.0,127.5,126.9,120.5.
实施例24
查尔酮5b的制备
将适当的3-氯苯乙酮(2mmol)和苯甲醛(2mmol)混合,加入氢氧化钠(4mmol)和10mL甲醇作为溶剂。将所得混合物在室温下搅拌20h,加水100mL,用CH2Cl2(3×30mL)提取产物。收集有机层,用无水硫酸钠干燥,将溶液浓缩至干燥,然后利用硅胶柱法分离得到化合物5b。1H NMR(400MHz,Chloroform-d)δ7.99(s,1H),7.89(d,J=7.7Hz,1H),7.83(d,J=15.7Hz,1H),7.65(d,J=9.4Hz,2H),7.55(d,J=8.8Hz,1H),7.48(d,J=10.8Hz,1H),7.45-7.42(m,4H).13C NMR(101MHz,CDCl3)δ189.1,145.7,139.9,135.0,134.7,132.7,130.8,123.0,129.0,128.6,126.6,121.5.
实施例25
查尔酮5c的制备
将适当的对甲基苯乙酮(2mmol)和苯甲醛(2mmol)混合,加入氢氧化钠(4mmol)和10mL甲醇作为溶剂。将所得混合物在室温下搅拌20h,加水100mL,用CH2Cl2(3×30mL)提取产物。收集有机层,用无水硫酸钠干燥,将溶液浓缩至干燥,然后利用硅胶柱法分离得到化合物5c。1H NMR(400MHz,Chloroform-d)δ7.95(d,J=8.2Hz,2H),7.81(d,J=15.7Hz,1H),7.65(d,J=9.5Hz,2H),7.54(d,J=15.7Hz,1H),7.43-7.41(m,3H),7.31(d,J=7.9Hz,2H),2.44(s,3H).13C NMR(101MHz,CDCl3)δ190.0,144.4,143.6,135.7,135.1,130.4,129.3,129.0,128.7,128.4,122.2,21.7.
实施例26
查尔酮5d的制备
将适当的4-甲氧基苯乙酮(2mmol)和苯甲醛(2mmol)混合,加入氢氧化钠(4mmol)和10mL甲醇作为溶剂。将所得混合物在室温下搅拌20h,加水100mL,用CH2Cl2(3×30mL)提取产物。收集有机层,用无水硫酸钠干燥,将溶液浓缩至干燥,然后利用硅胶柱法分离得到化合物5d。1H NMR(400MHz,Chloroform-d)δ8.05(d,J=8.9Hz,2H),7.81(d,J=15.7Hz,1H),7.65(d,J=9.5Hz,2H),7.55(d,J=15.7Hz,1H),7.43-7.41(m,3H),6.99(d,J=8.9Hz,2H),3.90(s,3H).13C NMR(101MHz,CDCl3)δ187.7,162.4,143.0,134.1,130.1,129.8,129.3,127.9,127.3,120.9,112.8,54.5.
实施例27
偶氮苯类似物2k的制备
在氧气气氛中,将1k(106mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2k 104mg,收率为98%。HRMS(ESI)m/z calcd for C14H14N2[M+H]+211.1157,found.
实施例28
偶氮苯类似物2l的制备
在氧气气氛中,将1l(107mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2l 105mg,收率为98%。HRMS(ESI)m/z calcd for C13H12N2O[M+H]+214.0983,found.
实施例29
偶氮苯类似物2m的制备
在氧气气氛中,将1m(130mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2m 127mg,收率为98%。HRMS(ESI)m/z calcd for C18H14N2[M+H]+259.1157,found.
实施例30
偶氮苯类似物2n的制备
在氧气气氛中,将1n(112mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2n 111mg,收率为99%。HRMS(ESI)m/z calcd for C15H14N2[M+H]+223.1157,found.
实施例31
偶氮苯类似物2o的制备
在氧气气氛中,将1o(105mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2o 101mg,收率为96%。HRMS(ESI)m/z calcd for C14H12N2[M+H]+209.1000,found.
实施例32
偶氮苯类似物2p的制备
在氧气气氛中,将1p(112mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2p 109mg,收率为97%。HRMS(ESI)m/z calcd for C15H14N2[M+H]+223.1157,found.
实施例33
偶氮苯类似物2q的制备
在氧气气氛中,将1q(104mg,1.0mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2q 102mg,收率为98%。HRMS(ESI)m/z calcd for C14H10N2[M+H]+207.0844,found.
实施例34
偶氮苯类似物2r的制备
在氧气气氛中,将1r(124mg,1.0mmol)溶解在2mLDMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2r 120mg,收率为96%。HRMS(ESI)m/z calcd for C17H14N2[M+H]+247.1157,found.
实施例35
偶氮苯类似物2s的制备
在氧气气氛中,将1s(100mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2s 98mg,收率为98%。HRMS(ESI)m/z calcd for C12H11N3[M+H]+198.0953,found.
实施例36
偶氮苯类似物2t的制备
在氧气气氛中,将1t(107mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2t 105mg,收率为98%。HRMS(ESI)m/z calcd for C12H12N4[M+H]+213.1062,found.
实施例37
偶氮苯类似物2u的制备
在氧气气氛中,将1u(100mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2u 98mg,收率为98%。HRMS(ESI)m/z calcd for C12H10N2O[M+H]+199.0793,found.
实施例38
偶氮苯类似物2v的制备
在氧气气氛中,将1v(114mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2v 111mg,收率为97%。HRMS(ESI)m/z calcd for C13H10N2O2[M+H]+227.0742,found.
实施例39
偶氮苯类似物2w的制备
在氧气气氛中,将1w(132mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2w 124mg,收率为94%。HRMS(ESI)m/z calcd for C12H10N2O3S[M+H]+263.0412,found.
实施例40
偶氮苯类似物2x的制备
在氧气气氛中,将1x(121mg,0.5mmol)溶解在2mLDMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2x 117mg,收率为97%。HRMS(ESI)m/z calcd for C14H12N2O2[M+H]+241.0899,found.
实施例41
偶氮苯类似物2y的制备
在氧气气氛中,将1y(115mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2y 107mg,收率为95%。HRMS(ESI)m/z calcd for C12H9N3O2[M+H]+228.0695,found.
实施例42
偶氮苯类似物2z的制备
在氧气气氛中,将1z(105mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2z 102mg,收率为97%。HRMS(ESI)m/z calcd for C13H9N3[M+H]+208.0796,found.
实施例43
偶氮苯类似物2a’的制备
在氧气气氛中,将1a’(106mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2a’103mg,收率为97%。HRMS(ESI)m/z calcd for C13H10N2O[M+H]+211.0793,found.
实施例44
偶氮苯类似物2b’的制备
在氧气气氛中,将1b’(107mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2b’105mg,收率为98%。HRMS(ESI)m/z calcd for C13H13N3[M+H]+212.1109,found.
实施例45
偶氮苯类似物2c’的制备
在氧气气氛中,将1c’(158mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2c’155mg,收率为98%。HRMS(ESI)m/z calcd for C18H22N2O3[M+H]+315.1630,found.
实施例46
偶氮苯类似物2d’的制备
在氧气气氛中,将1d’(130mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物2d’123mg,收率为95%。HRMS(ESI)m/z calcd for C17H13N3[M+H]+260.1109,found.
实施例47
偶氮苯类似物4c的制备
在氧气气氛中,将3c(99mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物4c 97mg,收率为98%。HRMS(ESI)m/z calcd for C6H4N4S2[M+H]+196.9877,found.
实施例48
偶氮苯类似物4d的制备
在氧气气氛中,将3d(82mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物4d 80mg,收率为97%。HRMS(ESI)m/z calcd for C8H6N2O2[M+H]+163.0429,found.
实施例49
偶氮苯类似物4e的制备
在氧气气氛中,将3e(83mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物4e 81mg,收率为98%。HRMS(ESI)m/z calcd for C6H4N4O2[M+H]+165.0334,found.
实施例50
偶氮苯类似物4f的制备
在氧气气氛中,将3f(82mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物4f 80mg,收率为99%。HRMS(ESI)m/z calcd for C6H6N6[M+H]+163.0654,found.
实施例51
偶氮苯类似物4g的制备
在氧气气氛中,将3g(81mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物4g 79mg,收率为99%。HRMS(ESI)m/z calcd for C8H8N4[M+H]+161.0749,found.
实施例52
偶氮苯类似物4h的制备
在氧气气氛中,将3h(98mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物4h 95mg,收率为98%。HRMS(ESI)m/z calcd for C8H6N2S2[M+H]+194.9972,found.
实施例53
偶氮苯类似物4i的制备
在氧气气氛中,将3i(83mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物4i 81mg,收率为98%。HRMS(ESI)m/z calcd for C6H4N4O2[M+H]+165.0334,found.
实施例54
偶氮苯类似物4j的制备
在氧气气氛中,将3j(82mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物4j 80mg,收率为98%。HRMS(ESI)m/z calcd for C6H6N6[M+H]+163.654found.
实施例55
偶氮苯类似物4k的制备
在氧气气氛中,将3k(143mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物4k 138mg,收率为97%。HRMS(ESI)m/z calcd for C18H12N4[M+H]+285.1062found.
实施例56
偶氮苯类似物4l的制备
在氧气气氛中,将3l(146mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物4l140 mg,收率为96%。HRMS(ESI)m/z calcd for C8H6N2Se2[M+H]+290.8861found.
实施例57
偶氮苯类似物4m的制备
在氧气气氛中,将3m(96mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物4m 92mg,收率为98%。HRMS(ESI)m/z calcd for C8H10N2Si2[M+H]+191.0383found.
实施例58
偶氮苯类似物4n的制备
在氧气气氛中,将3n(195mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物4n 190mg,收率为98%。HRMS(ESI)m/z calcd for C8H6N2Te2[M+H]+386.8626found.
实施例59
偶氮苯类似物4o的制备
在氧气气氛中,将3o(133mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物4o 126mg,收率为95%。HRMS(ESI)m/z calcd for C14H8N4O2[M+H]+265.0647found.
实施例60
偶氮苯类似物4p的制备
在氧气气氛中,将3p(132mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物4p 125mg,收率为95%。HRMS(ESI)m/z calcd for C14H10N6[M+H]+263.0967found.
实施例61
偶氮苯类似物4q的制备
在氧气气氛中,将3q(149mg,0.5mmol)溶解在2mL DMF中,在80℃搅拌2h。向反应中加入30mL水,有机层用30mL乙酸乙酯洗,然后用30mL饱和食盐水洗,无水硫酸钠干燥后过滤,减压浓缩得到化合物4q 143mg,收率为97%。HRMS(ESI)m/z calcd for C14H8N4S2[M+H]+297.0190found.
Claims (10)
1.一种高效制备偶氮化合物的方法,其特征在于,在氧气或者空气气氛下,将通式I的化合物在溶剂中加热得到通式II的偶氮化合物;
其中,R1、R2各自独立的选自含有取代基或者不含取代基的C5-C30的芳基、含有取代基或者不含取代基的C1-C30的杂芳基;
2.根据权利要求1所述的方法,其特征在于,所述R1、R2各自独立的选自含有取代基或者不含取代基的碳原子数为1-15的杂芳基、含有取代基或者不含取代基的苯基、含有取代基或者不含取代基的奈基。
3.根据权利要求2所述的方法,其特征在于,所述杂芳基选自吡啶基、喹啉基、异噁唑基、噁唑基、吡唑基、呋喃基、噻吩基、噻唑基、咪唑基、吡咯基、硒吩基、噻咯基、碲吩基、嘧啶苯并噻唑基、苯并噁唑基、苯并咪唑基。
5.根据权利要求1-3任意一项所述的方法,其特征在于,所述溶剂选自DMF、DMSO、乙酸乙酯、乙腈、二氯甲烷、氯仿、四氢呋喃、乙醚、甲苯、苯、1,4-二恶烷、正己烷、乙醇中的至少一种。
6.根据权利要求5所述的方法,其特征在于,在氧气气氛下,所述溶剂为DMF,加热温度为40-150°,反应时间为2-15h。
9.根据权利要求7或者8所述的一种制备环氧查尔酮的方法,其特征在于,反应在溶剂中进行,溶剂选自DMF、DMSO、乙酸乙酯、乙腈、二氯甲烷、氯仿、四氢呋喃、乙醚、甲苯、苯、1,4-二恶烷、正己烷、乙醇中的至少一种。
10.根据权利要求9所述的一种制备环氧查尔酮的方法,其特征在于,加热温度为40-150°,反应时间为2-15h。
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