CN107954933B - 一类2-氮杂二环[4.2.0]辛烷化合物及其合成及应用 - Google Patents
一类2-氮杂二环[4.2.0]辛烷化合物及其合成及应用 Download PDFInfo
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- CN107954933B CN107954933B CN201710976233.9A CN201710976233A CN107954933B CN 107954933 B CN107954933 B CN 107954933B CN 201710976233 A CN201710976233 A CN 201710976233A CN 107954933 B CN107954933 B CN 107954933B
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- JRDCSGYCSVDPPK-UHFFFAOYSA-N 5-azabicyclo[4.2.0]octane Chemical class N1CCCC2CCC21 JRDCSGYCSVDPPK-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 230000015572 biosynthetic process Effects 0.000 title claims description 15
- 238000003786 synthesis reaction Methods 0.000 title claims description 15
- -1 octane compound Chemical class 0.000 claims abstract description 87
- 238000006243 chemical reaction Methods 0.000 claims abstract description 58
- 150000001875 compounds Chemical class 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 27
- YNGDWRXWKFWCJY-UHFFFAOYSA-N 1,4-Dihydropyridine Chemical compound C1C=CNC=C1 YNGDWRXWKFWCJY-UHFFFAOYSA-N 0.000 claims abstract description 15
- 150000001336 alkenes Chemical class 0.000 claims abstract description 15
- 239000003054 catalyst Substances 0.000 claims abstract description 11
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000002360 preparation method Methods 0.000 claims abstract description 6
- 230000000259 anti-tumor effect Effects 0.000 claims abstract description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 71
- 125000001424 substituent group Chemical group 0.000 claims description 45
- 229910052739 hydrogen Inorganic materials 0.000 claims description 40
- 239000001257 hydrogen Substances 0.000 claims description 40
- 125000002560 nitrile group Chemical group 0.000 claims description 20
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 19
- 150000002431 hydrogen Chemical class 0.000 claims description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- 229910052717 sulfur Inorganic materials 0.000 claims description 16
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 15
- 229910052736 halogen Inorganic materials 0.000 claims description 14
- 150000002367 halogens Chemical class 0.000 claims description 14
- 125000004185 ester group Chemical group 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 12
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 12
- KSMVZQYAVGTKIV-UHFFFAOYSA-N decanal Chemical group CCCCCCCCCC=O KSMVZQYAVGTKIV-UHFFFAOYSA-N 0.000 claims description 12
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 12
- 125000004076 pyridyl group Chemical group 0.000 claims description 12
- 239000003814 drug Substances 0.000 claims description 10
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 claims description 10
- PQNFLJBBNBOBRQ-UHFFFAOYSA-N indane Chemical compound C1=CC=C2CCCC2=C1 PQNFLJBBNBOBRQ-UHFFFAOYSA-N 0.000 claims description 10
- 125000001544 thienyl group Chemical group 0.000 claims description 10
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 9
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 125000003545 alkoxy group Chemical group 0.000 claims description 7
- FJXLZNSVOSVTPH-UHFFFAOYSA-N 1-azabicyclo[2.2.2]octan-2-one Chemical compound C1CN2C(=O)CC1CC2 FJXLZNSVOSVTPH-UHFFFAOYSA-N 0.000 claims description 6
- 125000003368 amide group Chemical group 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
- 125000001041 indolyl group Chemical group 0.000 claims description 6
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 6
- 125000004105 2-pyridyl group Chemical group N1=C([*])C([H])=C([H])C([H])=C1[H] 0.000 claims description 5
- 125000003349 3-pyridyl group Chemical group N1=C([H])C([*])=C([H])C([H])=C1[H] 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 5
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 5
- 125000000286 phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 claims description 5
- 125000001712 tetrahydronaphthyl group Chemical group C1(CCCC2=CC=CC=C12)* 0.000 claims description 5
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- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 4
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims description 2
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- 239000002246 antineoplastic agent Substances 0.000 abstract description 2
- 229940041181 antineoplastic drug Drugs 0.000 abstract description 2
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 151
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 49
- 239000000047 product Substances 0.000 description 48
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 42
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 30
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- 238000005160 1H NMR spectroscopy Methods 0.000 description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 21
- 235000019439 ethyl acetate Nutrition 0.000 description 13
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 13
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- 238000007106 1,2-cycloaddition reaction Methods 0.000 description 9
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 9
- 210000004027 cell Anatomy 0.000 description 9
- 239000013078 crystal Substances 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
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- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 7
- 238000001035 drying Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- VQGHOUODWALEFC-UHFFFAOYSA-N 2-phenylpyridine Chemical compound C1=CC=CC=C1C1=CC=CC=N1 VQGHOUODWALEFC-UHFFFAOYSA-N 0.000 description 6
- IGRCWJPBLWGNPX-UHFFFAOYSA-N 3-(2-chlorophenyl)-n-(4-chlorophenyl)-n,5-dimethyl-1,2-oxazole-4-carboxamide Chemical compound C=1C=C(Cl)C=CC=1N(C)C(=O)C1=C(C)ON=C1C1=CC=CC=C1Cl IGRCWJPBLWGNPX-UHFFFAOYSA-N 0.000 description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 229910052741 iridium Inorganic materials 0.000 description 6
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 6
- 238000004293 19F NMR spectroscopy Methods 0.000 description 5
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 5
- 239000002262 Schiff base Substances 0.000 description 5
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- 125000003118 aryl group Chemical group 0.000 description 5
- 238000004440 column chromatography Methods 0.000 description 5
- 125000000623 heterocyclic group Chemical group 0.000 description 5
- UEEXRMUCXBPYOV-UHFFFAOYSA-N iridium;2-phenylpyridine Chemical compound [Ir].C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1 UEEXRMUCXBPYOV-UHFFFAOYSA-N 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- WGLLSSPDPJPLOR-UHFFFAOYSA-N 2,3-dimethylbut-2-ene Chemical compound CC(C)=C(C)C WGLLSSPDPJPLOR-UHFFFAOYSA-N 0.000 description 4
- 125000001255 4-fluorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1F 0.000 description 4
- 125000004172 4-methoxyphenyl group Chemical group [H]C1=C([H])C(OC([H])([H])[H])=C([H])C([H])=C1* 0.000 description 4
- IJJWOSAXNHWBPR-HUBLWGQQSA-N 5-[(3as,4s,6ar)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-n-(6-hydrazinyl-6-oxohexyl)pentanamide Chemical group N1C(=O)N[C@@H]2[C@H](CCCCC(=O)NCCCCCC(=O)NN)SC[C@@H]21 IJJWOSAXNHWBPR-HUBLWGQQSA-N 0.000 description 4
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- 241000027294 Fusi Species 0.000 description 4
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- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 4
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 4
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- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
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- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 3
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- VDBNYAPERZTOOF-UHFFFAOYSA-N isoquinolin-1(2H)-one Chemical compound C1=CC=C2C(=O)NC=CC2=C1 VDBNYAPERZTOOF-UHFFFAOYSA-N 0.000 description 3
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- C07D221/02—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 condensed with carbocyclic rings or ring systems
- C07D221/04—Ortho- or peri-condensed ring systems
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- C07D221/02—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 condensed with carbocyclic rings or ring systems
- C07D221/04—Ortho- or peri-condensed ring systems
- C07D221/18—Ring systems of four or more rings
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- C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
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- C07D409/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond
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- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
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- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
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Abstract
本发明公开了一类2‑氮杂二环[4.2.0]辛烷化合物,如式III或式IV所示,并公开了其制备方法,式III还可以合成式V、VI、VII所示化合物。式III、IV、V、VI、VII所示化合物具备抗肿瘤活性,可用于制备抗肿瘤药物。本发明方法提供了一种有效的由常见光敏剂催化剂,可见光作为光源,由廉价易得的1,4‑二氢吡啶和烯烃作为底物高效率高区域、立体选择性的合成2‑氮杂二环[4.2.0]辛烷类化合物的方法。本方法采用可见光促进不同分子间[2+2]环加成反应以构建多取代的2‑氮杂二环[4.2.0]辛烷类化合物;底物范围广,包括多种不同类型的烯烃及多样的1,4‑二氢吡啶,反应条件温和,操作简便,原子经济性高;反应的产率也较好,一般为56%~99%,立体选择性好。
Description
技术领域
本方法涉及2-氮杂二环[4.2.0]辛烷类化合物的合成及应用,尤其是一类具有潜在生物活性及药用价值的2-氮杂二环[4.2.0]辛烷类化合物的合成方法。
背景技术
四元环骨架常见于众多在生物、医药及工业领域有广泛应用的天然产物中。[2+2]环加成反应是制备四元环化合物的重要途径。在[2+2]环加成反应反应中,光催化是非常重要的一个手段,但不同波长区域的光在日光中含量不同,且有紫外区域的光具有较高能量,在具体试验中需要特殊反应设备及容易产生副反应,因此,利用日光中含量丰富的可见光进行[2+2]环加成反应具有重要意义,尤其在生物和医药领域有广阔的应用前景[a)Winkler,J.D.;Bowen,C.M.;Liotta,F.Chem.Rev.1995,95,2003;b)P.Margaretha,Helv.Chim.Acta2014,97,1027;c)Poplata,S.;A.;Zou,Y.;Bach T.Chem.Rev.2016,116,9748.]。
目前,光催化[2+2]环加成反应多应用于分子内研究,而底物范围更为广阔的分子间[2+2]环加成反应报道较少,且这些已有分子间光催化[2+2]环加成反应实例具有如下缺陷:如原料自身易聚合,产物区域、立体选择性差等。
1971年,Evanega报道了异喹诺酮与大量过量(≥10倍摩尔量)的2,3-二甲基-2-丁烯,异丁烯,1,1-二氯乙烯在高压汞蒸气紫外灯照射6-9天产生异喹诺酮自身“头对头”二聚产物及相应[2+2]分子间1∶1环加成产物。该反应中当2,3-二甲基-2-丁烯或异丁烯参与反应时均有副产物异喹诺酮自身“头对头”二聚产物产生,产率(9-30%)。而当1,1-二氯乙烯参与反应时,有两种加成方式即“头对头”、“头对尾”产物产生,产率81%、19%。仅当异丁烯参与反应时,只有头对头方式加成产物生成,产率70%[Evanega,G.R.;Fabiny,D.L.Tetrahedron Lett.1971,12,1749]。1981年,Kankeo小组报道了类似反应:4-乙酰氧基或3-甲氧基-2甲基易奎宁-1(2H)-酮与极大过量烯烃发生“头对头”方式[2+2]环加成反应,产率54-96%,dr1∶1-1∶3。1985年,Kankeo小组报道了在350nm波长光照射30分钟,2-(ω-烷烯基)异奎宁酮发生分子内[2+2]环加成反应生成相应四元环产物,产率70-74%。此类产物长时间光照或在300nm波长光照下发生烯烃复分解反应生成副产物邻位烯丙基取代苯甲酰胺产物[Naito,T.;Kaneko,CTetrahedron Lett.1981,22,2671]。近年来,Bach小组发表了一系列异奎宁酮发生分子内[2+2]不对称环加成反应合成生物碱的工作[a)Bach,T.;Hehn,J.P.Angew.Chem.,Iht.Ed.2011,50,1000;b)Brimioulle,R.;Bach,T.Science2013,342,840;.c)Coote,S.C.;Bach,T.J.Am.Chem.Soc.2013,135,14948;d)Coote,S.C.;A.;Bach,T.Chem.-Eur.J.2015,21,6906;e)K.-H.;A.;Bach,T.Synthesis2015,47,2869]。
1987年,Neier小组利用125W中压汞灯作为光源,实现了N-甲氧基羰基-5,6-二氢-4-吡啶酮与烯烃发生分子间[2+2]环加成反应,产率65-96%,dr1.5∶1-3∶1[a)Guerry,P.;Neier,R.Chimia1987,41,341;b)Guerry,P.;Neier,R.J.Chem.Soc.,Chem.Commun.1989,1727;c)Aeby,D.;Eichenberger,E.;Haselbach,E.;Suppan,P.;Guerry,P.;Neier,R..Photochem.Photobiol.1990,52,283;Guerry,P.;Blanco,P.;Brodbeck,H.;Pasteris,O.;Neier,R.Helv.Chim.Acta.1991,74,163.]Comins小组则利用该类反应合成了多种生物碱[a)Comins,D.L.;Zheng,X.J.Chem.Soc.,Chem.Commun.1994,2681;b)Comins,D.L.;Lee,Y.S.;Boyle,P.D.Tetrahedron Lett.1998,39,187;c)Comins,D.L.;Zhang,Y.-m.;Zheng,X.Chem.Commun.1998,2509;d)Comins,D.L.;Williams,A.L.Org.Lett.2001,3,3217;e)Comins,D.L.;Zheng,X.;Goehring,R.R.Org.Lett.2002,4,1611.]。
1985年,Adembri发现在低压汞灯照射下(λ≥365nm),N-苄基-1,4-二氢吡啶酰胺化合物与丙烯腈可发生[2+2]环加成反应[Adembri,G.;Camparini,A.;Donati,D.;Fusi,S.;Ponticelli,F.;Scotton,M.Heterocycles,1985,23,2885.],产率为64%,有四个非对映异构体产物,产物区域选择性低(2∶3)、立体选择性较差(de5%,de15%),此外产物不稳定不能直接分离得到[a)Adembri,G.;Camparini,A.;Donati,D.;Fusi,S.;Ponticelli,F.;Scotton,M.Tetrahedron Lett.,1983,24,5399;b)Adembri,G.;Camparini,A.;Donati,D.;Fusi,S.;Ponticelli,F.Heterocycles,1985,23,2885;c)Adembri,G.;Camparini,A.;Donati,D.;Fusi,S.;Ponticelli,F.VIConvegnoNaz.Chim.Farm.Alghero,14-18Ottobre1987,p.8]。
依据以上研究发现,2-氮杂二环[4.2.0]辛烷类化合物在医药、生物领域有巨大应用前景。而合成该类化合物较为直接的光催化[2+2]环加成方法存在以下缺陷如:1.需要高能紫外区域光源;2.底物局限于异奎宁酮、5,6-二氢-4-吡啶酮、缺电子烯烃;3.反应化学选择性、区域选择性及立体选择性差。上述合成上的不足使该类化合物在医药、生物领域没有被很好开发利用,因此发展可见光催化的高效高选择性合成2-氮杂二环[4.2.0]辛烷类化合物具有重大意义。
1,4-二氢吡啶作为还原型辅酶类似物自其合成以来就受到广泛关注。1,4-二氢吡啶是一类1,4-二氢吡啶(1,4-DHP)结构化合物,在生物体内可作为一类钙离子通道拮抗剂,并展现多种生物活性如抗菌,抗肿瘤抗艾滋等活性,已有多种此类结构药物如尼非地平、拉西地平等用于临床。此类药物通过对1,4-二氢吡啶结构进行修饰,改善了此类结构药物在生物体内吸收效果不好、溶解性差同时降低药物毒副作用,减少对生物体刺激。
因此,从本身原料易合成的且具有广泛医药研究价值的1,4-二氢吡啶[Rimoli,M.G.;Avallone,L.;Zanarone,S.;Abignente,E.;Mangoni,A.J.Heterocyclic Chem.,2002,39,1117]底物出发,去构建以往方法合成效率不高的2-氮杂二环[4.2.0]辛烷类化合物具有重大意义。
发明内容
本发明要解决的问题是提供一种高效合成2-氮杂二环[4.2.0]辛烷类化合物及其衍生物的方法,是在惰性气体保护下,由可见光催化烯烃和1,4-二氢吡啶进行[2+2]环加成反应,高效率、高区域、高立体选择性地合成2-氮杂二环[4.2.0]辛烷类化合物的方法。
本发明是通过以下技术方案来实现的:
一类2-氮杂二环[4.2.0]辛烷化合物,所述2-氮杂二环[4.2.0]辛烷化合物如式III或式IV所示:
式III、IV中,R1任选自氢、C1-C16的烷基、C3-C15环烷基或酰胺基;所述烷基、环烷基上的H不被取代或被1个以上的取代基A取代,所述取代基A包括C2~C10的酯基或羟基;R2任选自苯基、式IX所示的取代苯基、C8-C19的苯并环烷基或C5~C19的含N的杂环芳基A,所述杂环芳基A包括吲哚基或吡啶基;或R1、R2连接成环,形成C8-C19的苯并环烷基。
R9任选自氢、或R2与R9与四元环上的两个碳连接成环,形成C8-C19的苯并环烷基或C8~C19的含N,O,S的苯并杂环基C;所述苯并杂环基C可以为2-(1H)奎宁酮。
R任选自氢、C1-C16的烷基、苯基、式IX所示的取代苯基或C4~C10的含N,O,S的杂环芳基D;所述C1-C16的烷基上的H不被取代或被1个以上的取代基E取代,所述取代基E包括C1~C10的烷基硅氧基、羟基、卤素或苯基;所述含N,O,S的杂环芳基D包括吡啶基或噻吩基;R3任选自C2~C10的酯基、腈基、C1~C10的醛基或C1~C10的羟基烷基,所述酯基上的取代基包括C1-C9的烷基或烯丙基;所述R4任选自C2~C10的酯基、腈基、C1~C10的醛基或C1~C10的羟基烷基,所述酯基上的取代基包括C1-C9的烷基或烯丙基;R5任选自氢或C1-C16的烷基;
式IX中,R6、R7、R8任选自H、卤素、C1-C16烷基、三氟甲基、C1-C10的烷氧基中的任意一种。
进一步,优选所述R1为氢、甲基、丙基、正己基、甲氧基羰基正丙基、羟基正丁基、环丙基、乙酰胺基、吲哚基;优选所述R2为苯基、式IX所示的取代苯基、2-吡啶基、3-吡啶基、N-甲基-1(H)吲哚-1(H)基;所述取代苯基为以下取代基单取代的取代苯基:甲基、甲氧基、三氟甲基、F、Br;
或R1、R2连接成环,成环的两个碳连在同一个碳原子上,形成二氢茚、四氢萘基或6,7,8,9-四氢-苯骈[7]轮烯。
优选R9为H或R2与R9与四元环上的两个碳连接成环,形成2,3-二氢茚或2-(1H)奎宁酮;优选所述R为氢、正丙基、正丁基、苯基乙基、(5-叔丁基二甲基硅氧基)正戊基、溴代正戊基、苯基、式IX所示的取代苯基、噻吩基;所述取代苯基为以下取代基单取代的取代苯基:甲基、甲氧基、三氟甲基;优选所述R3为甲氧基羰基、乙氧基羰基、烯丙基氧羰基、腈基、羟甲基;优选所述R4为甲氧基羰基、乙氧基羰基、烯丙氧基羰基、腈基、醛基;优选所述R5为氢、甲基或乙基。
更进一步,所述优选R2为苯基、对甲氧基苯基、对三氟甲基苯基、对甲基苯基、间甲基苯基、对氟苯基、对溴苯基、间溴苯基、2-吡啶基、3-吡啶基、N-甲基-1(H)吲哚-1(H)。
更进一步,所述优选R为H、苯基、对甲氧基苯基、对三氟甲基苯基、邻甲基苯基、间甲基苯基、2-噻吩基、正丙基、苯基乙基、(5-叔丁基二甲基硅氧基)正戊基、溴代正戊基。
本发明还提供所述2-氮杂二环[4.2.0]辛烷类化合物的合成方法,所述方法为:在惰性气体保护下,在有机溶剂中,以式I所示的1,4-二氢吡啶类化合物和式II所示的烯烃为原料,在催化剂的作用下,在可见光照射下,反应制得式III或式IV所示的2-氮杂二环[4.2.0]辛烷类化合物;
反应式如下所示:
式I或式II中,R1任选自氢、C1-C16的烷基、C3-C15环烷基或酰胺基;所述烷基、环烷基上的H不被取代或被1个以上的取代基A取代,所述取代基A包括C2~C10的酯基或羟基;R2任选自苯基、式IX所示的取代苯基、C8-C19的苯并环烷基或C5~C19的含N的杂环芳基A,所述杂环芳基A包括吲哚基或吡啶基;或R1、R2连接成环,形成C8-C19的苯并环烷基。
R9任选自氢、或R2与R9与四元环上的两个碳连接成环,形成C8-C19的苯并环烷基或C8~C19的含N,O,S的苯并杂环基B;所述苯并杂环基c可以为2-(1H)奎宁酮
R任选自氢、C1-C16的烷基、苯基、式IX所示的取代苯基或C4~C10的含N,O,S的杂环芳基D;所述C1-C16的烷基上的H不被取代或被1个以上的取代基E取代,所述取代基E包括C1~C10的烷基硅氧基、羟基、卤素或苯基;所述含N,O,S的杂环芳基D包括吡啶基或噻吩基;R3任选自C2~C10的酯基、腈基、C1~C10的醛基或C1~C10的羟基烷基,所述酯基上的取代基包括C1-C9的烷基或烯丙基;所述R4任选自C2~C10的酯基、腈基、C1~C10的醛基或C1~C10的羟基烷基,所述酯基上的取代基包括C1-C9的烷基或烯丙基;R5任选自氢或C1-C16的烷基;
式IX中,R6、R7、R8任选自H、卤素、C1-C16烷基、三氟甲基、C1-C10的烷氧基中的任意一种。
进一步,优选所述R1为氢、甲基、丙基、正己基、甲氧基羰基正丙基、羟基正丁基、环丙基、乙酰胺基、吲哚基;优选所述R2为苯基、式IX所示的取代苯基、2-吡啶基、3-吡啶基、N-甲基-1(H)吲哚-1(H)基;所述取代苯基为以下取代基单取代的取代苯基:甲基、甲氧基、三氟甲基、F、Br。
或R1、R2连接成环,成环的两个碳连在同一个碳原子上,形成二氢茚、四氢萘基或6,7,8,9-四氢-苯骈[7]轮烯。
优选R9为H或R2与R9与四元环上的两个碳连接成环,形成2,3-二氢茚或2-(1H)奎宁酮;优选所述R为氢、正丙基、正丁基、苯基乙基、(5-叔丁基二甲基硅氧基)正戊基、羟基正戊基、溴代正戊基、苯基、式IX所示的取代苯基、噻吩基;所述取代苯基为以下取代基单取代的取代苯基:甲基、甲氧基、三氟甲基;优选所述R3为甲氧基羰基、乙氧基羰基、烯丙基氧羰基、腈基、羟甲基;优选所述R4为甲氧基羰基、乙氧基羰基、烯丙氧基羰基、腈基、醛基;优选所述R5为氢、甲基或乙基。
本发明所用的催化剂如式A、B、C或D所示的化合物或其对映体,所述对映体即为其镜像;式A、B、C或D中,n为1~3的自然数;M为过渡金属,包括:钌、铑、铱、锰、铜、铁或钴,优选铱;X为C或N;M上连接的配体包括2,2-联吡啶、2-苯基吡啶、2,2-连哌嗪、2,2-连吡嗪亚胺,2-亚胺基吡啶、2-羟甲基吡啶、2-亚胺基吡嗪、2-羟甲基吡嗪、2-亚胺基哌嗪、2-羟甲基哌嗪、2-亚胺基咪唑、2-羟甲基咪唑、2-亚胺基吡唑、2-羟甲基吡唑或1,10-菲啰啉;所述配体上的H不被取代或被1个以上的取代基F取代,所述取代基F包括卤素、卤代烷烃、C1-C16烷基、苯基或取代苯基,所述取代苯基上有一个以上的取代基G,所述取代基G包括卤素、卤代烷烃、硝基、C1-C18烷基、C3-C6环烷基、芳基及C3-C10含N、O、S杂环化合物、烷氧基或巯基;优选所述催化剂为过渡金属的三联吡啶、苯基吡啶类络合物,更优选为三(2-苯基吡啶)合铱(式1所示)、二(2-苯基吡啶)[2,2-联(4’-叔丁基吡啶)]合铱(式2所示)、二[2-(2’,4’-二氟苯基)-吡啶][2,2-联(4’-叔丁基吡啶)]合铱(式3所示),更优选为三(2-苯基吡啶)合铱(式1所示)。
所述的有机溶剂可以为四氢呋喃、二氯甲烷、1,2-二氯乙烷、三氯甲烷、四氯化碳、邻二氯苯、二溴乙烷、乙腈、丙腈、丁腈、异丁腈、丁二腈、1,4-二氧六烷、1,3-二氧六烷、己烷、戊烷、辛烷、环己烷、环戊烷、丙酮、环己酮、二甲亚砜、N,N-二甲基甲酰胺、N,N-二甲基乙酰胺、石油醚、乙酸甲酯、乙酸乙酯、乙酸丙酯、乙酸丁酯、乙酸仲丁酯、乳酸乙酯、甲醇、乙醇、丙醇、异丙醇、1,2-乙二醇、1,1-乙二醇、1,1-丙二醇、1,2-丙二醇、1,3-丙二醇、丙三醇、叔丁醇、环戊醇、环己醇、苯、甲苯、乙苯、邻甲苯、间二甲苯、对二甲苯、氯苯、溴苯、乙醚、三氟乙醇、全氟己烷、全氟戊烷、乙二醇单甲醚、乙二醇单乙醚、乙二醇单丁醚、乙二醇二甲醚、乙二醇二乙醚、异丙醚、三氟乙酸、硝基甲烷、硝基乙烷、硝基丙烷、硝基苯、吡啶中任意一种,优选乙腈。
所述光源可为太阳光,灯光等含有可见光的一切光源,即波长在390~780纳米范围内的任何光源,一般可采用日光、紫外光、日光灯,节能LED灯任意一种,优选蓝光LED。
所述有机溶剂的体积用量一般以式I所示的1,4-二氢吡啶类化合物的物质的量计为1~100mL/mmol。
所述惰性气体可为氮气或第0族元素气体,一般可采用氮气、氩气,优选为氮气。
本发明所述的式I所示的1,4-二氢吡啶类化合物、式II所示的烯烃、催化剂的物质的量之比为(0.1-1000)∶(0.1-1000)∶0.00001-0.10,优选为1∶1∶0.001~0.01。
本发明反应的反应时间优选24小时-196小时,优选为24-48小时,尤其推荐24小时。
本发明反应在室温下进行。
本发明反应结束后,所得粗产物经过后处理制得式III或式IV所示的2-氮杂二环[4.2.0]辛烷类化合物,进一步,所述后处理方法为下列一种或两种以上:重结晶、薄层层析、柱层析或减压蒸馏,优选为柱层析。
本发明还提供式III所示的2-氮杂二环[4.2.0]辛烷类化合物在合成式V、VI、VII所示化合物中的应用。
进一步,所述式III所示的2-氮杂二环[4.2.0]辛烷类化合物用于合成式V所示的化合物,所述应用的方法为:式III所示的2-氮杂二环[4.2.0]辛烷类化合物在二氯甲烷溶剂中,在催化剂重铬酸吡啶盐的作用下,氧化反应制得式V所示的化合物。反应式如下所示
所述二氯甲烷的用量优选以式III所示的2-氮杂二环[4.2.0]辛烷类化合物的物质的量计为10~100mL/mmol。
所述催化剂的用量与式III所示的2-氮杂二环[4.2.0]辛烷类化合物的物质的量之比为0.5~2∶1,优选1∶1。
反应在室温下进行,反应时间为20~40小时。
反应后反应液需要经过后处理,一般可将反应液加水稀释后,用二氯甲烷萃取,饱和食盐水洗涤、干燥后蒸除溶剂,柱层析分离制得式V所示的化合物。柱层析的洗脱溶剂通常为石油醚和乙酸乙酯的混合溶剂。
进一步,所述式III所示的2-氮杂二环[4.2.0]辛烷类化合物用于合成式VI所示的化合物,所述应用的方法为:
式III所示的2-氮杂二环[4.2.0]辛烷类化合物在乙醇溶剂中,加入盐酸水溶液,搅拌反应制得式VI所示的化合物。反应式如下所示
所述式III、IV中R4为CN或CO2Et,R3为CN或CO2Et。
所述乙醇的用量优选以式III所示的2-氮杂二环[4.2.0]辛烷类化合物的物质的量计为10~100mL/mmol。
所述盐酸水溶液的浓度优选4~8mol/L,优选6mol/L。
所述盐酸水溶液中HCl的物质的量与式III所示的2-氮杂二环[4.2.0]辛烷类化合物的物质的量之比为10~30∶1。
反应在溶剂回流条件下进行,回流温度为100℃,反应时间为10~40小时。
反应后反应液需要经过后处理,一般可将反应液加饱和碳酸氢钠调节pH≥8,用二氯甲烷萃取,饱和食盐水洗涤、干燥后蒸除溶剂,制得式VI所示的化合物。
进一步,所述式VI所示的2-氮杂二环[4.2.0]辛烷类化合物可用于合成式VII所示的化合物,所述应用的方法为:
式VI所示的化合物在乙醇溶剂中,在雷尼镍催化剂作用下,氢气环境下加热反应,制得式VII所示的化合物。反应式如下所示
所述乙醇的用量优选以式IV所示的化合物的物质的量计为10~100mL/mmol。
反应温度50~80℃,优选60℃,反应时间优选20~40小时。
雷尼镍的用量优选以式IV所示的化合物的物质的量计为为100~1000mg/mmol。
反应后反应液需要经过后处理,一般可将反应液加水稀释后用二氯甲烷萃取,饱和食盐水洗涤、干燥后蒸除溶剂,制得式VII所示的化合物。
本发明还提供式V、VI、VII所示化合物,
其中,R1任选自氢、C1-C16的烷基、C3-C15环烷基或酰胺基;所述烷基、环烷基上的H不被取代或被1个以上的取代基A取代,所述取代基A包括C2~C10的酯基或羟基;
R2任选自苯基、式IX所示的取代苯基、C8-C19的苯并环烷基或C5~C19的含N的杂环芳基A,所述杂环芳基A包括吲哚基或吡啶基;
或R1、R2连接成环,形成C8-C19的苯并环烷基。
R9任选自氢、或R2与R9与四元环上的两个碳连接成环,形成C8-C19的苯并环烷基或C8~C19的含N,O,S的苯并杂环基C;
R任选自氢、C1-C16的烷基、苯基、式IX所示的取代苯基或C4~C10的含N,O,S的杂环芳基D;所述C1-C16的烷基上的H不被取代或被1个以上的取代基E取代,所述取代基E包括C1~C10的烷基硅氧基、羟基、卤素或苯基;所述含N,O,S的杂环芳基D包括吡啶基或噻吩基;R3任选自C2~C10的酯基、腈基、C1~C10的醛基或C1~C10的羟基烷基,所述酯基上的取代基包括C1-C9的烷基或烯丙基;所述R4任选自C2~C10的酯基、腈基、C1~C10的醛基或C1~C10的羟基烷基,所述酯基上的取代基包括C1-C9的烷基或烯丙基;R5任选自氢或C1-C16的烷基;
式IX中,R6、R7、R8任选自H、卤素、C1-C16烷基、三氟甲基、C1-C10的烷氧基中的任意一种。
进一步,优选所述R1为氢、甲基、丙基、正己基、甲氧基羰基正丙基、羟基正丁基、环丙基、乙酰胺基、吲哚基;所述R2为苯基、式IX所示的取代苯基、2-吡啶基、3-吡啶基、N-甲基-1(H)吲哚-1(H)基;所述取代苯基为以下取代基单取代的取代苯基:甲基、甲氧基、三氟甲基、F、Br;
或R1、R2连接成环,成环的两个碳连在同一个碳原子上,形成二氢茚、四氢萘基或6,7,8,9-四氢-苯骈[7]轮烯。
R9为H或R2与R9与四元环上的两个碳连接成环,形成2,3-二氢茚或2-(1H)奎宁酮;所述R为氢、正丙基、正丁基、苯基乙基、(5-叔丁基二甲基硅氧基)正戊基、溴代正戊基、苯基、式IX所示的取代苯基、噻吩基;所述取代苯基为以下取代基单取代的取代苯基:甲基、甲氧基、三氟甲基;所述R3为甲氧基羰基、乙氧基羰基、烯丙基氧羰基、腈基、羟甲基;所述R4为甲氧基羰基、乙氧基羰基、烯丙氧基羰基、腈基、醛基;所述R5为氢、甲基或乙基。
更进一步,优选R1为氢、甲基、乙酰胺基或羟基正丁基;所述R2为苯基、式IX所示的取代苯基,所述取代苯基为以下取代基单取代的取代苯基:甲基、甲氧基、三氟甲基、F、Br;更优选为对氟苯基。
或R1、R2连接成环,成环的两个碳连在同一个碳原子上,形成二氢茚、四氢萘基或6,7,8,9-四氢-苯骈[7]轮烯。
优选所述R3为甲氧基羰基、乙氧基羰基或羟甲基;优选所述R4为甲氧基羰基或乙氧基羰基、优选所述R为氢,优选所述R5为氢、甲基或乙基。
本发明提供的式V、VI、VII所示化合物可用于制备羽扇豆碱(Brimioulle,R.;Bach,T.Science2013,342,840)。
本发明提供的式III、IV、V、VI、VII所示化合物具备抗肿瘤活性,可用于制备抗肿瘤药物,进一步,本发明提供的式III、IV、V、VI、VII所示化合物可用于制备抗肝癌、肺癌的药物。
本发明方法提供了一种有效的由常见光敏剂三(2-苯基吡啶)合铱、二(2-苯基吡啶)[2,2-联(4’-叔丁基吡啶)]合铱、二[2-(2’,4’-二氟苯基)-吡啶][2,2-联(4’-叔丁基吡啶)]合铱为催化剂,可见光作为光源,在惰性气体保护下(氮气或氩气),由廉价易得的1,4-二氢吡啶和烯烃作为底物高效率高区域、立体选择性的合成2-氮杂二环[4.2.0]辛烷类化合物的方法。与现有方法相比,该方法采用可见光促进不同分子间[2+2]环加成反应以构建多取代的2-氮杂二环[4.2.0]辛烷类化合物;底物范围广,包括多种不同类型的烯烃及多样的1,4-二氢吡啶,底物不仅仅局限于缺电子烯烃、异奎宁酮、5,6-二氢-4-吡啶酮;反应条件温和,操作简便,原子经济性高;反应的产率也较好,一般为56%~99%,立体选择性好。
本发明方法制得的式III、IV、V、VI、VII所示的2-氮杂二环[4.2.0]辛烷类化合物本身含有生物碱中常见的吡啶结构、胺基四元环结构,可用于合成四元环胺基化合物,席夫碱类化合物,四氢吡啶类化合物等。常规合成四元环氨基化合物,席夫碱类化合物,四氢吡啶类化合物方法都属于公知的方法,本发明合成出来的2-氮杂二环[4.2.0]辛烷同样适用,只是以2-氮杂二环[4.2.0]辛烷类化合物代替常规原料,可以合成出结构特殊的产物以往方法难以合成的产物如下式所示。本发明中2-氮杂二环[4.2.0]辛烷类化合物可进一步用有机合成、生物、医药领域等,具有较大的应用价值。
本发明方法提供了一种有效的由常见光敏剂三(2-苯基吡啶)合铱、二(2-苯基吡啶)[2,2-联(4’-叔丁基吡啶)]合铱、二[2-(2’,4’-二氟苯基)-吡啶][2,2-联(4’-叔丁基吡啶)]合铱为催化剂,在可见光照射下从廉价易得的1,4-二氢吡啶和烯烃作为底物出发,高效率高区域、立体选择性的合成2-氮杂二环[4.2.0]辛烷类化合物及其衍生物的方法。
附图说明
图1产物III-1和IV-1的单晶结构图。
其中III-1单晶CCDC号1526041,IV-1单晶CCDC号1526039。
图2产物III-2的合成化学式。
图3产物III-2的单晶结构图。CCDC号:1526043。
图4产物V-1的单晶结构。单晶CCDC号1565477。
图5 HepG2肝癌细胞菌株中腺嘌呤核苷三磷酸含量柱状对比图。
图6 H1975肺癌细胞菌株中腺嘌呤核苷三磷酸含量柱状对比图。
具体实施方式
下面通过具体实施例对本发明的技术方案作进一步地具体说明,但本发明的保护范围不限于此:
实施例1:可见光促进的1,4-二氢吡啶和烯烃的[2+2]环加成反应
室温下,氮气保护,在一干燥的反应试管中加入光敏剂Ir(ppy)3(三(2-苯基吡啶)合铱)[制备方法参考Liang,A.;Huang,G.;Chen,S.;Hou,H.RSC Adv.,2015,5,49466](0.01mmoL)式I所示的1,4-二氢吡啶(1mmol),式II所示的烯烃(1.0mmol),乙腈(20mL),冷冻-抽真空-回至室温循环三次,充入氮气,然后在8W蓝光LED灯照射下室温搅拌24小时后柱层析分离(洗脱溶剂为石油醚或石油醚和乙酸乙酯的混合物)得到产物。
III-1:(1R*,6S*,8S*)-1,3-二甲基-8-苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6-二乙酯
1306,1232cm-1.1H NMR:(400.1MHz,CDCl3)δ7.38-7.32(m,2H),7.29-7.23(m,1H),7.11-7.05(m,2H),4.37-4.24(m,2H),4.19-4.10(q,J=7.2Hz,2H),3.70(dd,J=11.0,9.0Hz,1H),3.40-3.31(br,1H),2.71(d,J=16.0Hz,1H),2.66-2.52(m,2H),2.27-2.19(m,1H),2.06(d,J=1.2Hz,3H),1.36(t,J=7.2Hz,3H),1.28(t,3H),1.26(s,3H);13C NMR:(100.6MHz,CDCl3)δ174.3,168.7,152.8,138.0,128.5,128.0,127.0,92.0,62.2,61.0,58.9,49.7,49.6,27.0,26.5,25.2,21.2,14.6,14.3;HRMS(ESI)calculated for[C21H27NO4+H]+(M+H+)requires m/z 358.2018,found m/z 358.2021.
IV-1:(1R*,6S*,8R*)-1,3-二甲基-8-苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6-二乙酯
1306,1232cm-1.1H NMR:(400.1MHz,CDCl3)δ7.35-7.28(m,2H),7.26-7.20(m,1H),7.17-7.09(m,2H),4.28-4.21(br,1H),4.20-4.08(m,4H),3.54(dd,J=11.2,8.4Hz,1H),3.13(d,J=17.2Hz,1H),2.71(t,J=11.2Hz,1H),2.61(d,J=17.2Hz,1H),2.36(s,3H),1.98(dd,J=11.2,8.4Hz,1H),1.29(t,J=7.2Hz,3H),1.21(t,J=7.2Hz,3H),0.89(s,3H);13C NMR:(100.6MHz,CDCl3)δ173.9,168.6,149.9,138.6,128.3,127.3,126.6,91.9,60.3,59.0,58.8,48.3,44.6,30.7,29.2,21.9,19.1,14.6,14.3;HRMS(ESI)calculated for[C21H27NO4+H]+(M+H+)requires m/z 358.2018,found m/z 358.2024.
III-2:(1R*,5S*,6S*,8S*)-1,3-二甲基-5,8-二苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6-二乙酯
6-dicarboxylate:产率78%,白色固体,熔点:128-129℃(hexanes/EtOAc).IR(neat)3341,2979,1733,1680,1600,1522,1287cm-1.1H NMR:(400.1MHz,CDCl3)δ7.42-7.34(m,2H),7.33-7.27(m,1H),7.21-7.08(m,7H),4.12(s,1H),4.05-3.85(m,4H),3.56(dd,J=11.2,9.2Hz,1H),3.43-3.37(br,1H),2.70-2.53(m,2H),2.24(s,3H),1.54(s,3H),1.15(t,J=7.2Hz,3H),1.10(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ173.4,168.4,152.9,143.4,137.3,128.6,128.5,128.2,127.5,127.2,126.1,96.9,62.9,60.5,58.9,53.5,50.6,46.4,31.8,25.5,21.6,14.2,13.8;HRMS(EI)calculated for [C27H31NO4]+(M+)requires m/z 433.2253,found m/z 433.2257.
III-3:(1R*,5S*,6S*,8S*)-8-(3-溴苯基)-1,3-二甲基-5-苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6-二乙酯
4.05-3.85(m,4H),3.52(t,J=10.0Hz,1H),3.43-3.38(br,1H),2.58(d,J=10.4Hz,2H),2.27(s,3H),1.53(s,3H),1.15(t,J=7.0Hz,3H),1.09(t,J=7.2Hz,3H);13CNMR:(100.6MHz,CDCl3)δ173.2,168.3,152.6,143.2,139.9,131.2,130.3,130.0,128.6,127.6,126.9,126.2,122.8,97.3,63.1,60.6,59.0,53.7,50.4,46.3,31.9,25.6,21.5,14.3,13.8;HRMS(ESI)calculatedfor[C27H30BrNO4+H]+(M+H+)requires m/z 512.1436,found m/z 512.1437.
III-4:(1R*,5S*,6S*,8S*)-8-(4-溴苯基)-1,3-二甲基-5-苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6-二乙酯
4.05-3.85(m,4H),3.56-3.45(t,J=10.0Hz,1H),3.40-3.30(br,J=10.0Hz,1H),2.57(d,J=10.0Hz,2H),2.25(s,3H),1.52(s,3H),1.14(t,J=7.2Hz,3H),1.10(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ173.3,168.4,152.6,143.2,136.4,131.6,129.9,128.6,127.6,126.2,121.2,97.2,62.9,60.6,59.0,53.7,50.2,46.3,31.9,25.6,21.6,14.3,13.8;HRMS(ESI)calculated for[C27H30BrNO4+H]+(M+H+)requires m/z 512.1436,found m/z 512.1445.
III-5:(1R*5S*6S*8S*)-1,3-二甲基-8-(1-甲基-1H-吲哚基)-5-苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6-二乙酯
J=8.4Hz,1H),7.20-7.10(m,5H),7.08(d,J=2.8Hz,1H),6.98(d,J=8.4Hz,1H),6.48(d,J=2.8Hz,1H),4.15(s,1H),4.06-3.88(m,4H),3.81(s,3H),3.66(dd,J=11.4,9.0Hz,1H),3.46-3.40(br,1H),2.70(t,J=11.6Hz,1H),2.60(dd,J=11.6,8.8Hz,1H),2.24(s,3H),1.54(s,3H),1.20-1.08(m,6H);13C NMR:(100.6MHz,CDCl3)δ173.7,168.6,153.3,143.7,136.1,129.4,128.71,128.68,127.8,127.5,126.1,122.1,120.3,109.1,100.8,96.7,63.1,60.5,58.9,53.4,50.9,46.4,32.9,32.6,25.4,21.7,14.3,13.9;HRMS(EI)calculated for[C30H34N2O4+H]+(M+H+)requires m/z 487.2597,found m/z487.2603.
III-6:(1R*,5S*,6S*,8S*)-1,3,8-三甲基-5,8-二苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6-二乙酯
1H NMR:(400.1MHz,CDCl3)δ7.42-7.33(m,2H),7.29-7.20(m,1H),7.18-7.06(m,7H),4.01-3.91(m,3H),3.95(s,1H),3.85-3.74(m,1H),3.53-3.47(br,1H),2.84(d,J=12.0Hz,1H),2.48(d,J=11.6Hz,1H),1.81(s,3H),1.57(s,3H),1.38(s,3H),1.11(t,J=7.0Hz,3H),1.03(t,J=7.0Hz,3H);13C NMR:(100.6MHz,CDCl3)δ174.2,1683,152.8,145.0,143.2,128.9,128.4,127.6,126.4,126.2,125.7,97.8,64.7,60.5,58.8,52.4,50.2,47.8,38.6,27.2,22.2,21.0,14.2,13.7;HRMS(EI)calculated for[C28H33NO4]+(M+)requires m/z 447.2410,found m/z 447.2404.
III-7:(1R*,5S*,6S*,8S*)-1,3,8-三甲基-5-苯基-8-(4-三氟甲基苯基)-2-氮杂二环[4.2.0]辛-3-烯基-4,6-二乙酯
7.65(d,J=8.0Hz,2H),7.24(d,J=8.0Hz,2H),7.19-7.08(m,5H),4.05-3.90(m,4H),3.86-3.75(m,1H),3.46-3.41(br,1H),2.85(d,J=12.0Hz,1H),2.53(d,J=12.0Hz,1H),1.81(s,3H),1.59(s,3H),1.39(s,3H),1.12(t,J=7.0Hz,3H),1.03(t,J=7.0Hz,3H);13C NMR:(100.6MHz,CDCl3)δ173.9,168.2,152.2,149.3,143.0,129.0,128.7,128.4,127.7,126.4,126.2,125.8(q,J=7.3Hz,1C),98.3,64.8,60.7,59.0,52.7,50.4,47.8,38.7,27.2,22.4,21.1,14.2,13.7;19F NMR(376.5MHz,CDCl3)-62.4(s,3F);HRMS(EI)calculated for[C29H32F3NO4]+(M+)requires m/z 515.2283,found m/z 515.2287.
III-8:(1R*,5S*,6S*,8S*)-8-(4-甲氧基苯基)-1,3,8-三甲基-5-苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6-二乙酯
5H),7.04(d,J=8.8Hz,2H),6.91(d,J=8.8Hz,2H),4.00-3.90(m,4H),3.84-3.73(m,4H),3.49(s,1H),2.80(d,J=11.6Hz,1H),2.45(d,J=11.6Hz,1H),1.88(s,3H),1.53(s,3H),1.35(s,3H),1.11(t,J=7.2Hz,3H),1.02(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ174.2,168.3,158.0,152.9,143.3,136.9,128.4,127.6,126.7,126.1,114.1,97.7,64.6,60.4,58.8,55.2,52.4,49.5,47.8,38.7,27.1,22.1,21.2,14.2,13.6;HRMS(ESI)calculated for[C29H35NO5+H]+(M+H+)requires m/z 478.2593,found m/z478.2597.
III-9:(1R*,5S*,6S*,8S*)-1,3,8-三甲基-5-苯基-8-(4-甲基苯基)-2-氮杂二环[4.2.0]辛-3-烯基-4,6-二乙酯
(m,4H),3.84-3.73(m,1H),3.53-3.45(br,1H),2.82(d,J=12.0Hz,1H),2.45(d,J=12.0Hz,1H),2.34(s,3H),1.85(s,3H),1.55(s,3H),1.35(s,3H),1.11(t,J=7.2Hz,3H),1.02(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ174.3,168.3,152.9,143.3,141.9,136.0,129.5,128.4,127.6,126.2,125.6,97.7,64.7,60.5,58.8,52.4,49.9,47.8,38.7,27.1,22.2,21.1,20.9,14.2,13.7;HRMS(EI)calculated for[C29H35NO4]+(M+)requires m/z 461.2566,found m/z461.2574.
III-10:(1R*,5S*,6S*,8S*)-1,3,8-三甲基-5-苯基-8-(3-甲基苯基)-2-氮杂二环[4.2.0]辛-3-烯基-4,6-二乙酯
cm-1.1H NMR:(400.1MHz,CDCl3)δ7.29-7.22(m,1H),7.18-7.08(m,5H),7.06(d,J=7.6Hz,1H),6.93-6.88(m,2H),4.01-3.91(m,4H),3.85-3.74(m,1H),3.58-3.48(br,1H),2.83(d,J=12.0Hz,1H),2.47(d,J=11.6Hz,1H),2.37(s,3H),1.84(s,3H),1.56(s,3H),1.36(s,3H),1.10(t,J=7.2Hz,3H),1.03(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ174.3,168.3,152.9,144.9,143.3,138.4,128.7,128.4,127.6,127.2,126.3,126.1,122.7,97.7,64.7,60.5,58.8,52.3,50.1,47.8,38.7,27.1,22.2,21.6,21.1,14.2,13.7;HRMS(EI)calculated for[C29H35NO4]+(M+)requires m/z 461.2566,found m/z461.2569.
III-11:(1R*,5S*,6S*,8S*)-8-(4-甲氧基-4-氧代丁基)-1,3-二甲基-5,8-二苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6-二乙酯
(neat)3368,2979,1735,1717,1684,1603,1507,1230cm-1.1H NMR:(400.1MHz,CDCl3)δ7.42-7.33(m,2H),7.26-7.20(m,1H),7.18-7.09(m,5H),7.05-7.03(m,2H),4.02-3.88(m,4H),3.85-3.73(m,1H),3.59(s,3H),3.52-3.45(br,1H),2.72(d,J=12.0Hz,1H),2.61(d,J=12.0Hz,1H),2.19-2.10(m,2H),1.90-1.78(m,1H),1.75(s,3H),1.60-1.52(m,4H),1.50-1.39(m,1H),1.11(t,J=7.0Hz,3H),1.02(t,J=7.2Hz,3H),0.98-0.85(m,1H);13C NMR:(150.8MHz,CDCl3)δ174.1,173.5,168.2,152.8,143.2,142.7,129.0,128.4,127.6,126.5,126.2,98.2,65.0,60.5,58.8,54.1,52.6,51.4,47.9,37.5,35.7,34.1,21.8,20.9,20.2,14.2,13.7;HRMS(ESI)calculated for[C32H39NO6+H]+(M+H+)requires m/z 534.2856,found m/z 534.2860.
III-12:(1R*,5S*,6S*,8S*)-8-(4-氟苯基)-8-(4-羟丁基)1,3-二甲基-5-苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6-二乙酯
CDCl3)δ7.20-6.98(m,9H),4.00-3.88(m,4H),3.82-3.71(m,1H),3.52-3.42(m,3H),2.63(q,J=12.0Hz,2H),1.87-1.70(m,5H),1.61-1.48(m,5H),1.47-1.34(m,2H),1.24-1.14(m,1H),1.11(t,J=7.2Hz,3H),1.00(t,J=7.2Hz,3H),0.71-0.58(m,1H);13CNMR:(100.6MHz,CDCl3)δ174.1,168.3,161.3(d,J=244.2Hz,1C),152.6,143.1,138.79,138.76,128.4,127.7,126.2,115.7(d,J=21.4Hz,1C),98.2,64.9,62.4,60.6,58.9,53.8,52.8,47.9,37.9,35.9,32.8,21.7,21.1,20.8,14.2,13.6;19F NMR(376.5MHz,CDCl3)-115.9(s,1F);HRMS(ESI)calculated for[C31H39FNO5+H]+(M+H+)requires m/z 524.2812,found m/z 524.2816.
III-13:(1R*,5S*,6S*,8S*)-8-环丙基-1,3-二甲基-5,8-二苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6-二乙酯
cm-1.1H NMR:(400.1MHz,CDCl3)δ7.44-7.32(m,2H),7.25-7.20(m,1H),7.19-7.07(m,5H),7.06-6.80(m,2H),4.02-3.88(m,4H),3.82-3.71(m,2H),2.57(d,J=12.4Hz,1H),2.32(d,J=12.8Hz,1H),1.76(s,3H),1.66(s,3H),1.18-1.07(m,4H),1.03(t,J=7.2Hz,3H),0.46-0.28(m,2H),0.18-0.08(m,1H),(-0.01)-(-0.9)(m,1H);13C NMR:(150.8MHz,CDCl3)δ173.6,168.2,153.2,143.5,143.2,128.5,127.6,126.23,126.20,99.1,65.4,60.4,58.8,54.0,52.9,48.5,34.5,23.5,20.7,18.3,14.2,13.8,3.0,1.6;HRMS(EI)calculated for[C30H35NO4]+(M+)requires m/z 473.2566,found m/z 473.2556.
III-14:(1S*,2S*,6R*,7S*)-4,6-二甲基-2-苯基-5-氮杂螺[二环[4.2.0]辛烷-7,1′-[2′,3′-二氢茚]]-3-烯基-1,3-二乙酯
(1S*,2S*,6R*,7S*)-4,6-dimethyl-2-phenyl-2′,3′-dihydro-5-azaspiro[bieyclo[4.2.0]octane-7,1′-inden]-3-ene-1,3-dicarboxylate:产率86%,白色固体,熔点:168-169℃(hexanes/EtOAc).IR(neat)3351,2974,1717,1681,1600,1524,1453,1283cm-1.1H NMR:(400.1MHz,CDCl3)δ7.26-7.22(m,3H),7.20-7.08(m,5H),7.07-7.03(m,1H),4.05-3.91(m,4H),3.88-3.77(m,1H),3.67-3.60(br,1H),2.90-2.71(m,3H),2.53(dd,J=13.2,6.0Hz,1H),2.49-2.40(m,4H),2.05-1.92(m,1H),1.40(s,3H),1.13(t,J=7.0Hz,3H),1.04(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ174.1,168.5,151.9,145.2,143.47,143.46,128.4,127.62,127.56,126.2,125.9,125.3,124.7,96.0,65.2,60.5,58.9,58.2,52.8,46.9,39.3,38.2,31.3,22.0,21.9,14.3,13.7;HRMS(ESI)calculatedfor[C29H33NO4+H]+(M+H+)requires m/z 460.2488,found m/z460.2493.
III-15:(1S*,2S*,6R*,7S*)-4,6-二甲基-2-苯基-5-氮杂螺[二环[4.2.0]辛烷-7,1′-四氢萘]]-3-烯基-1,3-二乙酯
1601,1529,1451,1230cm-1.1H NMR:(400.1MHz,CDCl3)δ7.25-7.13(m,5H),7.03-7.07(m,4H),4.03-3.96(m,3H),3.96-3.88(m,1H),3.82-3.71(m,1H),3.56(s,1H),2.85-2.70(m,3H),2.39(d,1H,12.4H),2.35(s,3H),2.27-2.18(m,1H),1.92-1.75(m,2H),1.70-1.60(m,1H),1.52(s,3H),1.12(t,J=7.2Hz,3H),1.03(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ174.4,168.5,152.5,143.5,138.6,136.7,129.8,129.0,128.4,127.6(2C),126.7,126.2,125.3,96.6,66.7,60.5,58.9,51.8,48.1,47.6,41.7,34.4,29.5,24.0,22.0(2C),20.0,14.2,13.7;HRMS(EI)calculated for[C30H35NO4]+(M+)requires m/z473.2566,found m/z 473.2563.
IV-2:(1S*,2S*,6R*,7R*)-4,6-二甲基-2-苯基--5-氮杂螺[二环[4.2.0]辛烷-7,1′-四氢萘]]-3-烯基-1,3-二乙酯
℃(hexanes/EtOAc),IR(neat)3341,2978,2903,1738,1682,1651,1559,1518cm- 1.1H NMR:(400.1MHz,CDCl3)δ7.22-7.18(m,2H),7.16-7.08(m,6H),7.07-7.02(m,1H),4.32(s,1H),4.07-3.98(m,2H),3.94(s,1H),3.90-3.80(m,1H),3.68-3.58(m,1H),3.09(d,J=13.2Hz,1H),2.85-2.78(m,2H),2.52(s,3H),2.15(d,J=13.2Hz,1H),2.01-1.87(m,2H),1.73-1.40(m,2H),1.18(t,J=7.2Hz,3H),1.03(s,3H),0.93(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ173.6,168.5,153.7,143.7,140.1,136.9,129.1,128.5(2C),128.2(2C),127.6,127.5,126.2,126.1,125.7,100.5,66.0,60.5,59.1,54.6,49.2,47.2,41.2,32.8,29.3,26.1,21.8(2C),20.7,14.3,13.6;HRMS(EI)calculated for[C30H35NO4]+(M+)requires m/z 473.2566,found m/z 473.2571.
III-16:(1′S*,2′S*,5S*,6′R*)-4′,6′-二甲基-2′-苯基-6,7,8,9-四氢-5′-氮杂螺[苯骈[7]轮烯-5,7′-二环[4.2.0]辛]-3′-烯基-1′,3′-二乙酯
2931,1736,1673,1601,1522,1230cm-1.1H NMR:(400.1MHz,CDCl3)δ7.25-7.19(m,1H),7.19-7.05(m,8H),4.03-3.91(m,4H),3.89-3.79(m,1H),3.73-3.44(br,1H),3.05-2.78(m,2H),2.70-2.59(m,1H),2.58-2.43(m,1H),2.16-2.02(m,1H),1.95(s,3H),1.90-1.75(m,2H),1.74(s,3H),1.71-1.61(m,1H),1.58-1.39(m,2H),1.13-1.03(m,6H);13C NMR:(150.8MHz,CDCl3)δ174.2,168.3,152.5,143.1,141.3,130.1,128.5,128.4,127.6,127.0,126.2,96.8,66.6,60.4,58.8,55.8,51.5,47.7,41.3,36.0,34.2,26.6,24.8,24.4,21.3,14.2,13.7;HRMS(EI)calculated for[C31H37NO4]+(M+)requires m/z 487.2723,found m/z487.2722.
III-17:(1R*,5S*,6S*,8R*)-1,3,8-三甲基-5-苯基-8-(2′-吡啶基)-2-氮杂二环[4.2.0]辛]-3-烯基-4,6-二乙酯
7.20-7.08(m,6H),7.02(d,J=12Hz,1H),4.70-4.63(br,1H),4.00-3.89(m,4H),3.81-3.71(m,1H),2.67(dd,J=17.6,12.0Hz,2H),1.80(s,3H),1.68(s,3H),1.35(s,3H),1.10(t,J=7.0Hz,3H),0.99(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ174.0,168.2,166.4,152.8,148.8,143.3,136.9,128.3,127.4,126.0,120.8,120.6,97.2,64.3,60.3,58.5,52.3,51.0,47.7,39.5,26.9,22.6,20.7,14.1,13.5;HRMS(EI)calculated for[C27H32N2O4]+(M+)requires m/z 448.2362,found m/z 448.2363.
III-18:(1R*,5S*,6S*,8S*)-1,3,8-三甲基-5-苯基-8-(3′-吡啶基)-2-氮杂二环[4.2.0]辛]-3-烯基-4,6-二乙酯
7.45(d,J=8.0Hz,1H),7.36-7.29(m,1H),7.20-7.05(m,5H),4.03-3.90(m,4H),3.85-3.74(m,1H),3.55-3.47(s,1H),2.84(d,J=12.0Hz,1H),2.52(d,J=12.0Hz,1H),1.85(s,3H),1.59(s,3H),1.41(s,3H),1.12(t,J=7.0Hz,3H),1.03(s,J=7.0Hz,3H);13CNMR:(100.6MHz,CDCl3)δ173.8,168.1,152.1,147.83,147.77,142.9,140.5,133.6,128.3,127.7,126.3,123.6,98.4,64.7,60.7,59.0,53.0,48.7,47.8,38.2,27.0,22.3,21.1,14.2,13.7;HRMS(ESI)calculated for[C27H32N2O4+H]+(M+H+)requires m/z449.2440.found m/z449.2446.
III-19:(4S*,4aS*,4bS,9bS*,9cR*)-2,9c-二甲基-4-苯基-1,4,4b,5,9b,9c-六氢-4aH-茚[2′,1′:3,4]环丁[1,2-b]吡啶-3,4a-二乙酯
3366,2960,2926,1739,1677,1454,1223cm-1.1H NMR:(400.1MHz,CDCl3)δ9.15-9.00(br,1H),7.25-7.19(m,1H),7.17-7.09(m,2H),7.00-6.94(m,2H),6.86-6.80(m,1H),6.42(d,J=7.6Hz,1H),6.36(d,J=7.6Hz,2H),4.34-4.08(m,5H),3.35-3.30(br,1H),3.10-2.98(m,3H),2.28(s,3H),1.59(s,3H),1.28(t,J=7.2Hz,3H),1.23(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ173.1,165.5,147.9,140.4,133.6,131.7,127.7,127.3,127.2,126.7,125.7,124.5,84.5,61.6,60.9,60.7,56.3,47.3,46.5,44.9,33.7,22.9,14.1,13.7;HRMS(EI)calculated for[C28H31NO4]+(M+)requires m/z 445.2253,found m/z445.2557.
III-20:(6aS*,6bR*,7S*,10aR*,10bS*)-9,10a-二甲基-6-氧代-7-苯基-6,6a,7,10,10a,10b-六氢吡啶[2′,3′:3,4]环丁基[1,2-c]奎宁-6b,8(5H)-二乙酯
MHz,CDCl3)δ8.54-8.38(br,1H),7.44(d,J=6.8Hz,1H),7.25-7.00(m,J=7.2Hz,6H),6.68(d,J=7.2Hz,1H),4.70(s,1H),4.21(d,J=12.0Hz,1H),3.88-3.72(m,2H),3.87-3.54(m,2H),3.53-3.40(m,1H),3.24(d,J=12.0Hz,1H),2.25(s,3H),2.06-2.17(br,1H),1.05-0.88(m,3H),1.05-0.88(m,6H);13C NMR:(100.6MHz,CDCl3)δ172.6,166.8,166.7,155.9,142.9,137.3,130.4,129.0,127.9,127.6,126.3,123.4,117.9,115.8,104.3,65.4,62.5,60.7,58.9,45.9,44.0,37.2,28.2,22.0,13.9,13.7;HRMS(ESI)calculated for[C28H30N2O5+H]+(M+H+)requires m/z 475.2233,found m/z475.2246.
III-21:(1S*,5S*,6S*,8R*)-8-乙酰胺基-1,3-二甲基-5,8-二苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6二乙酯
(m,1H),7.22-7.11(m,5H),7.10-7.05(m,2H),6.39-6.32(br,1H),4.08(s,1H),4.05-3.94(m,4H),3.23-3.15(br,1H),3.04(d,J=12.8Hz,1H),2.95(d,J=12.8Hz,1H),2.04(s,3H),1.87(s,3H),1.62(s,3H),1.21(t,J=7.2Hz,3H),1.11(t,J=7.2Hz,3H);13CNMR:(100.6MHz,CDCl3)δ174.0,168.2,1664,152.8,148.8,143.3,136.9,128.3,127.4,126.0,120.8,120.6,97.2,64.3,60.3,58.5,52.3,51.0,47.7,39.5,26.9,22.6,20.7,14.1,13.5;HRMS(EI)calculated for[C29H34N2O5]+(M+)requires m/z 490.2468.found m/z490.2475.
III-22:(1R*,5S*,6S*,8S*)-1,3,8-三甲基-8-苯基-5-(4-三氟甲基苯基)-2-氮杂二环[4.2.0]辛-3-烯基-4,6二乙酯
3.60-3.53(br,1H),2.85(d,J=12.0Hz,1H),2.52(d,J=12.0Hz,1H),1.81(s,3H),1.56(s,3H),1.38(s,3H),1.11(t,J=7.2Hz,3H),1.00(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ174.0,168.0,153.3,147.8,144.8,129.0,128.7,128.6,128.3,126.6,125.7,125.6,124.6(q,J=7.6Hz,1C),123.0,97.5,64.7,60.7,59.0,52.3,50.2,47.7,38.6,27.2,22.3,21.1,14.2,13.6;19F NMR(376.5MHz,CDCl3)-62.3(s,3F);HRMS(ESI)calculated for[C29H32F3NO4+H]+(M+H+)re-quires m/z516.2362,found m/z516.2355.
III-23:(1R*,5S*,6S*,8S*)-5-(4-甲氧基苯基)-1,3,8-三甲基-8-苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6二乙酯
4.03-3.93(m,3H),3.92(s,1H),3.91-3.81(m,1H),3.74(s,3H),3.49-3.46(br,1H),2.83(d,J=12.0Hz,1H),2.45(d,J=11.8Hz,1H),1.79(s,3H),1.57(s,3H),1.38(s,3H),1.13(t,J=7.0Hz,3H),1.08(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ174.3,168.3,158.0,152.6,145.1,135.3,129.3,128.9,126.4,125.7,113.0,98.2,64.7,60.5,58.8,55.0,52.4,50.2,47.0,38.6,27.2,22.2,21.0,14.3,13.8;HRMS(ESI)calculatedfor[C29H35NO5+H]+(M+H+)requires m/z 478.2593,found m/z 478.2597.
III-24:(1R*,5S*,6S*,8S*)-1,3,8-三甲基-8-苯基-5-(3-甲基苯基)-2-氮杂二环[4.2.0]辛-3-烯基-4,6二乙酯
7.11(d,J=7.2Hz,2H),7.06-6.99(m,1H),6.96-6.88(m,3H),4.01-3.90(m,4H),3.86-3.76(m,1H),3.53-3.44(br,1H),2.83(d,J=11.6Hz,1H),2.47(d,J=11.6Hz,1H),2.25(s,3H),1.81(s,3H),1.57(s,3H),1.38(s,3H),1.12(t,J=7.2Hz,3H),1.04(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ174.2,168.4,152.8,145.1,143.1,136.8,129.3,128.8,127.5,126.9,126.4,125.7,125.4,97.8,64.7,60.4,58.8,52.4,50.2,47.7,38.6,27.2,22.2,21.4,21.1,14.2,13.7;HRMS(EI)calculated for[C29H35NO4]+(M+)requires m/z 461.2566,found m/z 461.2561.
III-25:(1R*,5S*,6S*,8S*)-1,3,8-三甲基-8-苯基-5-(2-甲基苯基)-2-氮杂二环[4.2.0]辛-3-烯基-4,6二乙酯
=7.6Hz,2H),7.04-6.90(m,3H),4.29(s,1H),4.06-3.86(m,3H),3.78-3.67(m,1H),3.54-3.46(br,1H),2.83(d,J=12.0Hz,1H),2.59(d,J=12.0Hz,1H),2.35(s,3H),1.82(s,3H),1.54(s,3H),1.35(s,3H),1.13(t,J=7.0Hz,3H),0.94(t,J=7.2Hz,3H);13CNMR:(100.6MHz,CDCl3)δ174.3,168.4,153.2,145.1,142.2,135.8,129.7,128.9,128.2,126.4,125.9,125.7,125.5,98.9,64.7,60.7,58.9,52.1,50.1,41.8,38.3,27.1,22.4,21.4,19.4,14.4,13.4;HRMS(ESI)calculated for[C29H35NO4+H]+(M+H+)requires m/z462.2646,found m/z 462.2648.
III-26:(1R*,5S*,6S*,8S*)-1,3,8-三甲基-8-苯基-5-(2′-噻吩基)-2-氮杂二环[4.2.0]辛-3-烯基-4,6二乙酯
1H),7.10(d,J=7.2Hz,2H),7.0(d,J=4.8Hz,1H),6.79-6.72(m,2H),4.40(s,1H),5.15-3.95(m,4H),3.59-3.52(br,1H),2.83(d,J=12.4Hz,1H),2.41(d,J=12.0Hz,1H),1.71(s,3H),1.67(s,3H),1.41(s,3H),1.21-1.11(m,6H);13C NMR:(100.6MHz,CDCl3)δ174.0,168.0,153.1,145.9,145.0,128.9,126.4,125.67,125.66,125.3,123.2,98.7,64.8,60.7,59.0,52.9,50.7,42.2,38.6,27.6,21.8,20.9,14.3,13.9;HRMS(EI)calculated for[C26H31NO4S]+(M+)requires m/z 453.1974,found m/z453.1969.
III-27:(1R*,5S*,6S*,8S*)-1,3,8-三甲基-8-苯基-5-(正丙基)-2-氮杂二环[4.2.0]辛-3-烯基-4,6二乙酯
cm-1.1H NMR:(400.1MHz,CDCl3)δ7.37-7.30(m,2H),7.25-7.16(m,1H),7.08-7.00(m,2H),4.27(q,J=7.2Hz,2H),4.23-4.13(m,1H),4.10-4.00(m,1H),3.44-3.3.30(br,1H),3.08(dd,J=10.0,2.8Hz,1H),2.68(d,J=12.0Hz,1H),2.20(d,J=12.0Hz,1H),1.67(s,3H),1.56(s,3H),1.40(s,3H),1.35(t,J=7.2Hz,3H),1.30-1.14(m,7H),0.80(t,J=7.0Hz,3H);13C NMR:(100.6MHz,CDCl3)δ175.3,169.0,153.1,145.4,128.8,126.2,125.6,98.5,65.0,60.4,58.7,52.5,51.0,39.6,38.2,33.5,28.1,22.3,21.2,21.0,14.5,14.4,14.2;HRMS(EI)calculated for[C25H35NO4]+(M+)requires m/z 413.2566,found m/z413.2563.
III-28:(1R*,5S*,6S*,8S*)-1,3,8-三甲基-5-苯基乙基-8-苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6二乙酯
1H),3.47-3.37(br.1H),3.17(dd,J=8.6,4.2Hz,1H),2.71(d,J=12.0Hz,1H),2.51(t,J=8.4Hz,2H),2.23(d,J=12.0Hz,1H),1.69-1.63(m,4H),1.61-1.54(m,4H),1.41(s,3H),1.32(t,J=7.2Hz,3H),1.27(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ175.1,168.9,153.7,145.3,143.1,128.8,128.2,128.1,126.3,125.6,125.4,98.1,65.0,60.5,58.9,52.4,51.0,40.0,38.2,34.5,33.2,28.1,22.3,21.1,14.6,14.2;HRMS(EI)calculated for[C30H37NO4]+(M+)requires m/z 475.2723,found m/z 475.2726.
III-29:(1R*,5S*,6S*,8S*)-5-(5-叔丁基二甲基硅氧基)正戊基-1,3,8-三甲基-8-苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6二乙酯
1H),3.05(dd,J=8.8,4.4Hz,1H),2.67(d,J=12.4Hz,1H),2.19(d,J=12.4Hz,1H),1.66(s,3H),1.56(s,3H),1.45-1.38(m,5H),1.35(t,J=7.2Hz,3H),1.30-1.22(m,6H),1.21-1.12(m,3H),0.87(s,9H),0.02(s,6H);13C NMR:(100.6MHz,CDCl3)δ175.3,169.0,153.2,145.4,128.8,126.2,125.7,98.4,65.0,63.3,60.4,58.7,52.5,51.0,39.9,38.2,32.9,31.2,28.1,28.0,26.1,26.0,22.4,21.0,18.4,14.6,14.2,-5.3;HRMS(ESI)calculated for[C33H53NO5Si+H]+(M+H+)requires m/z572.3771,found m/z572.3775.
III-30:(1R*,5S*,6S*,8S*)-1,3,8-三甲基-5,8-二苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6二甲酯
cm-1.1H NMR:(400.1MHz,CDCl3)δ7.41-7.33(m,2H),7.27-7.21(m,1H),7.20-7.06(m,7H),3.98(s,1H),3.54-3.53(br,1H),3.52(s,3H),3.48(s,3H),2.86(d,J=12.0Hz,1H),2.45(d,J=12.0Hz,1H),1.81(s,3H),1.56(s,3H),1.37(s,3H);13C NMR:(100.6MHz,CDCl3)δ174.4,168.6,153.2,144.9,142.9,128.9,128.2,127.8,126.4,126.3,125.6,97.5,64.7,52.5,51.4,50.4,50.3,47.6,38.6,27.2,22.0,21.1;HRMS(EI)calculated for[C26H29NO4+H]+(M+H+)requires m/z 420.2175,found m/z 420.2181.III-31:(1R*,5S*,6S*,8S*)-1,3,8-三甲基-5,8-二苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6二烯丙基酯
1677,1599,1225cm-1.1H NMR:(400.1MHz,CDCl3)δ7.40-7.32(m,2H),7.25-7.20(m,1H),7.18-7.05(m,7H),5.85-5.65(m,2H),5.26-5.19(m,1H),5.19-5.13(m,1H),5.08-5.03(m,1H),5.03-4.98(m,1H),4.54-4.34(m,3H),4.32-4.22(m,1H),4.03(s,1H),3.63-3.57(br.1H),2.87(d,J=12.0Hz,1H),2.50(d,J=12.0Hz,1H),1.83(s,3H),1.57(s,3H),1.38(s,3H);13C NMR:(100.6MHz,CDCl3)δ173.6,167.6,153.4,144.8,142.8,133.3,131.8,128.8,128.3,127.7,126.4,126.3,125.5,118.4,116.1,97.2,65.3,64.7,63.5,52.5,50.2,47.6,38.6,27.1,22.1,21.1;HRMS(EI)calculated for[C30H33NO4]+(M+)requires m/z 471.2410,found m/z 471.2413.
III-32:(1R*,5S*,6S*,8S*)-1,3-二乙基-8-甲基-5,8-二苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6二甲酯
anes/EtOAc).IR(neat)3368,2983,1738,1704,1677,1588,1525,1434,1231cm- 1.1H NMR:(400.1MHz,CDCl3)δ7.38-7.32(m,2H),7.25-7.20(m,1H),7.19-7.10(m,5H),7.05-7.09(m,2H),4.08(s,1H),3.65-3.60(br,1H),3.57(s,3H),3.48(s,3H),2.88(d,J=12.0Hz,1H),2.83-2.72(m,1H),2.50(d,J=11.6Hz,1H),2.37-2.25(m,1H),2.06-1.94(m,1H),1.72-1.69(m,1H),1.36(s,3H),0.80(t,J=7.4Hz,3H),0.72(t,J=7.6Hz,3H);13CNMR:(100.6MHz,CDCl3)δ174.3,168.2,159.4,144.7,141.6,128.8,128.7,127.5,126.5,126.4,126.2,94.6,67.4,53.6,51.4,50.4,47.2,39.7,28.1,27.4,26.9,12.2,10.1;HRMS(EI)calculated for[C28H33NO4]+(M+)requires m/z 447.2410,found m/z 447.2408.
III-33:(1R*,5S*,6S*,8S*)-8-甲基-5,8-二苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6二乙酯
CDCl3)δ7.41-7.34(m,2H),7.27-7.20(m,2H),7.20-7.05(m,7H),4.42-4.30(m,2H),4.05-3.93(m,2H),3.90(s,1H),3.86-3.74(m,2H),2.80(d,J=12.0Hz,1H),2.51(dd,J=11.6,4.0Hz,1H),1.45(s,3H),1.13(t,J=7.2Hz,3H),1.00(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ175.0,168.0,144.7,142.6,141.3,129.0,128.3,127.8,126.4,126.2,126.0,100.7,60.9,59.1,58.8,47.4,45.8,44.3,39.7,28.8,14.3,13.7;HRMS(ESI)calculated for[C26H29NO4+H]+(M+H+)requires m/z 420.2175,found m/z 420.2172.
III-34:(1R*,5S*,6S*,8S*)-4-腈基-1,3,8-三甲基-5,8-二苯基-2-氮杂二环[4.2.0]辛-3-烯基-6-乙酯
(1R*,5S*,6S*,8S*)-4-cyano-1,3,8-trimethyl-5,8-diphenyl-2-azabicyclo[4.2.0]oct-3-ene-6-carboxylate:总产率45%(III-34/III-35=6/1),III-34的产率为39%,endo/exo>20∶1,无色油状液体。IR(neat)3321,3027,2183,1716,1625,1532,1443,1287cm-1.1H NMR:(400.1MHz,CDCl3)δ7.39(t,J=7.6Hz,2H),7.30-7.26(m,1H),7.24-7.16(m,3H),7.15-7.05(m,4H),4.02-3.89(m,1H),3.85-3.75(m,1H),3.66-3.58(br,1H),3.51(s,1H),2.89(d,J=12.0Hz,1H),2.54(d,J=12.0Hz,1H),1.58(s,6H),1.38(s,3H),1.04(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ173.1,152.5,144.5,140.5,128.9,128.1,127.9,127.2,126.6,125.5,122.4,78.2,65.0,60.7,51.6,49.8,48.9,38.6,27.0,22.3,19.6,13.6;HRMS(ESI)calculated for[C26H28N2O2+H]+(M+H+)requires m/z401.2229,found m/z 401.2238.
III-35:(1R*,5R*,6S*,8S*)-6-腈基-1,3,8-三甲基-5,8-二苯基-2-氮杂二环[4.2.0]辛-3-烯基-4-乙酯
6%,endo/exo>20∶1,无色油状液体。IR(neat)3361,2982,2240,1673,1601,1447,1267,1201cm-1.1H NMR:(400.1MHz,CDCl3)δ7.44-7.36(m,2H),7.31-7.27(m,1H),7.26-7.14(m,5H),7.06(d,J=7.6Hz,2H),4.05-3.90(m,3H),3.66-3.59(br,1H),2.93(d,J=12.0Hz,1H),2.49(d,J=12.0Hz,1H),1.77(s,3H),1.72(s,3H),1.53(s,3H),1.12(t,J=7.0Hz,3H);13C NMR:(100.6MHz,CDCl3)δ167.6,153.0,144.3,141.0,129.2,128.9,128.0,127.1,126.9,125.3,122.2,96.9,62.8,59.2,50.7,45.7,42.7,38.5,27.8,22.0,20.9,14.2;HRMS(ESI)calculated for[C26H28N2O2+H]+(M+H+)requires m/z 401.2229.found m/z401.2241.
实施例2:产物还原合成四元环醇类化合物(应用实例)
氮气保护下向20mL反应管中加入III-6(0.1120g,0.25mmol)、四氢呋喃(10mL),四氢铝锂(0.0989g,2.67mmol),加热回流搅拌20h后加水猝灭,随后二氯甲烷萃取三次,饱和食盐水洗涤,无水硫酸钠干燥,过滤旋干即得目标产物。
III-36:((1R*,5R*,6S*,8S*)-6-羟甲基-1,3,8-三甲基-5,8-二苯基-2-氮杂二环[4.2.0]辛-3-烯基-4-醛
7.24-7.18(m,3H),7.18-7.12(m,1H),7.11-7.02(m,2H),4.88(q,J=7.2Hz,2H),3.80(t,J=12.8Hz,1H),3.30-3.24(m,2H),3.21(d,J=14.0Hz,1H),2.81-2.69(m,1H),2.62-2.52(m,1H),2.47(d,J=14.0Hz,1H),2.35-2.24(m,1H),2.14-2.01(m,1H),1.90-1.83(m,1H),1.81-1.69(m,4H),1.65(s,3H),1.62-1.53(m,1H),1.28-1.15(m,1H),1.02(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ172.8,164.8,146.4,140.7,129.7,128.2,127.4,127.0,126.9,126.3,124.8,75.0,68.5,59.9,53.4,51.3,40.1,39.5,36.0,35.3,29.8,27.7,27.6,26.5,23.2,14.0;HRMS(ESI)calculated for[C28H33NO2+H]+(M+H+)requires m/z 416.2590,found m/z 416.2596.
本方法不仅仅只适用于保护以上产物,还保护此类反应其他衍生物。
实施例3:产物脱酯基合成2-氮杂二环[4.2.0]辛烷-丁酸化合物(应用实例)
20mL反应管中,加入III-11(0.0245g,0.05mmol)、乙醇(1mL),室温下搅拌并加入氢氧化钾水溶液(2M,0.25mL,5mmol),继续搅拌12h后加水稀释,随后二氯甲烷萃取三次,饱和食盐水洗涤,无水硫酸钠干燥,过滤旋干即得目标产物。
III-37:4-(1R*,5S*,6S*,8S*)-4,6-二乙氧基羰基-1,3-二甲基-5,8-二苯基-2-氮杂二环[4.2.0]辛-3-烯基-1-丁酸
6.99(t,J=8.8Hz,2H),3.97-3.87(m,2H),3.55-3.41(m,2H),2.92-2.74(m,3H),2.41(d,J=13.2Hz,1H),1.92-1.70(m,6H),1.51-1.32(m,5H),1.28-1.21(br,1H),1.10-0.98(m,4H),0.75-0.58(m,1H);13C NMR:(100.6MHz,CDCl3)δ172.4,165.7,161.0(d,J=242.6Hz),140.0,138.9,138.8,128.2,127.4,127.1,113.9,113.7,67.0,62.6,60.0,52.8,51.9,40.7,33.0,31.9,30.3,27.4,22.6,20.8,14.0;19F NMR(376.5MHz,CDCl3)-117.5(s,1F);HRMS(ESI)calculated for[C28H34FNO3+H]+(M+H+)re-quires m/z 452.2601,found m/z 452.2613.
本方法不仅仅只适用于保护以上产物,还保护此类反应其他衍生物。
实施例4:产物脱酯基合成2-氮杂二环[4.2.0]辛烷-丁酸化合物(应用实例)
氮气保护向20mL反应管中加入III-29(0.1148g,0.20mmol)、四氢呋喃(4mL),室温下搅拌并加入四丁基氟化铵三水合物(0.7392g,2.35mmol),继续搅拌12h后旋干,PE/EtOAc=1/1过柱得到0.0703g(0.15mmol,77%yield)目标产物。
III-38:(1R*,5S*,6S*,8S*)-5-(5-羟基正戊基)-1,3,8-三甲基-8-苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6二乙酯
Hz,1H),1.66(s,3H),1.55(s,3H),1.52-1.44(m,2H),1.40(s,3H),1.38-1.31(m,5H),1.29-1.23(m,5H),1.22-1.15(m,3H);13C NMR:(100.6MHz,CDCl3)δ175.2,169.2,153.3,145.4,128.8,126.2,125.6,98.3,65.0,62.6,60.5,58.9,52.5,51.0,39.7,38.2,32.6,31.0,29.7,28.1,27.6,25.7,22.3,21.1,14.5,14.2;HRMS(EI)calculated for[C27H39NO5]+(M+)requires m/z457.2828,found m/z 457.2825.
实施例5:产物溴代产物(应用实例)
氮气保护向20mL反应管中加入III-38(0.0704g,0.15mmol)、二氯甲烷(4mL),零度下搅拌并加入三苯基膦(0.0789g,0.30mmol)、四溴化碳(0.1029g,0.31mmol),继续搅拌24h后旋干,PE/EtOAc=1/1过柱得到0.0331g(0.06mmol,40%yield)目标产物。
III-39:(1R*,5S*,6S*,8S*)-5-(5-溴正戊基)-1,3,8-三甲基-8-苯基-2-氮杂二环[4.2.0]辛-3-烯基-4,6二乙酯
1.81-1.72(m,2H),1.66(s,3H),1.56(s,3H),1.40(s,3H),1.38-1.15(m,14H);13CNMR:(100.6MHz,CDCl3)δ175.2,168.9,153.3,145.3,128.8,126.2,125.6,98.3,65.0,60.5,58.8,52.5,51.0,39.8,38.2,34.0,32.8,30.9,28.5,28.1,27.2,22.3,21.1,14.6,14.2;HRMS(ESI)cal-culated for[C33H54NO5SiNa]+(M+Na+)requires m/z571.3693,foundm/z542.1880.
实施例6:产物氧化合成环氧化2-氮杂二环[4.2.0]辛烷产物(应用实例)
20mL反应管中,加入III-16(0.2440g,0.51mmol)、二氯甲烷(10mL),室温下搅拌并加入重铬酸吡啶盐(0.1901g,0.51mmol),继续搅拌24h后加水稀释后加二氯甲烷萃取三次,饱和食盐水洗涤,无水硫酸钠干燥,过滤旋干,PE/EtOAc=10/1过柱得到0.0539g(0.11mmol,21%yield)目标产物。白色固体。产物V-1单晶结构如图4所示,单晶CCDC号1565477。
V-1:(4a′S*,5R*,5′S*,8a′R*)-7′,8a′-二甲基-5′-苯基-6,7,8,8′,8a′,9-六氢-4′H-螺[苯骈[7]轮烯-5,3′-[1,2]过氧[3,4-b]吡啶]-4a′,6′(5′H)-二乙酯
IR(neat)3391,3026,1680,1603,1285,1230,1109,1086cm-1.1H NMR:(400.1MHz,CDCl3)δ7.83(dd,J=7.6,0.8Hz,1H),7.19-7.13(m,1H),7.13-7.05(m,6H),7.05-7.00(m,1H),4.91-4.82(br,1H),4.17(s,1H),4.06-3.96(m,1H),3.90-3.89(m,1H),3.40-3.20(m,3H),2.50(s,3H),2.20(d,J=14.0Hz,1H),2.10-1.94(m,2H),1.92-1.83(m,1H),1.72-1.60(m,2H),1.50(s,3H),1.41-1.30(m,1H),1.01(t,J=7.2Hz,3H),0.89(m,3H);13C NMR:(100.6MHz,CDCl3)δ169.9,168.1,150.5,141.3,140.9,139.8,130.3,129.4,127.9,127.5,127.0,126.7,125.8,87.9,84.9,60.3,58.9,49.3,47.8,39.3,37.9,36.9,27.9,25.9,24.5,21.0,14.0,13.4;HRMS(ESI)calculated for[C28H33NO6+H]+(M+H+)re-quires m/z520.2699,found m/z 520.2692.
V-2:(3R*,4aS*,5S*,8aR*)-3,7,8a-三甲基-3,5-二苯基-3,4,8,8a-四氢-[1,2]过氧[3,4-b]吡啶-4a,6(5H)-二乙酯
,2]dioxino[3,4-b]pyridine-4a,6(5H)-dicarboxylate:产率33%,白色固体,熔点:202-204℃(hex-anes/EtOAc),单晶CCDC号1565468。IR(neat)3356,2936,2858,1704,1682,1602,1266cm-1.1H NMR:(400.1MHz,CDCl3)δ7.48-7.40(m,2H),7.34-7.28(m,2H),7.23-7.05(m,6H),4.75(s,1H),4.26(s,1H),4.03-3.92(m,1H),3.92-3.81(m,1H),3.37-3.22(m,2H),2.99(d,J=14.4Hz,1H),2.51(s,3H),2.39(d,14.8Hz,1H),1.41(s,3H),1.40-1.30(m,3H),1.00(t,J=7.2Hz,3H),0.92(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ170.5,168.0,140.7,129.9,127.6,127.5,126.7,125.8,87.8,82.1,60.3,58.9,48.2,41.5,31.0,25.9,20.8,14.0,13.5;HRMS(EI)calculated for[C28H33NO6+H]+(M+H+)requires m/z 480.2386,found m/z 480.2389.
本方法不仅仅只适用于保护以上产物,还保护此类反应其他衍生物。
实施例7:产物脱酯基合成席夫碱化合物(应用实例)
20mL反应管中,加入III-16(0.2468g,0.51mmol)、乙醇(10mL),室温下搅拌并加入盐酸水溶液(6M,1mL,6mmol),继续搅拌12h后加饱和碳酸氢钠调节pH≥8,随后二氯甲烷萃取三次,饱和食盐水洗涤,无水硫酸钠干燥,过滤旋干即得目标产物。
VI-1:(1′S*,2′R*,5S*,6′R*)-4′,6′-二甲基-2′-苯基-6,7,8,9-四氢-5′-氮杂螺[苯[7]轮烯-5,7′-二环[4.2.0]辛烷]-4-烯基-1′-乙酯
93%,白色固体,熔点:121-122℃(hexanes/EtOAc).IR(neat)2922,2855,1717,1668,1456,1369,1236cm-1.1H NMR:(400.1MHz,CDCl3)δ7.63(d,J=7.6Hz,1H),7.31-7.24(m,2H),7.24-7.18(m,3H),7.18-7.12(m,1H),7.11-7.02(m,2H),4.88(q,J=7.2Hz,2H),3.80(t,J=12.8Hz,1H),3.30-3.24(m,2H),3.21(d,J=14.0Hz,1H),2.81-2.69(m,1H),2.62-2.52(m,1H),2.47(d,J=14.0Hz,1H),2.35-2.24(m,1H),2.14-2.01(m,1H),1.90-1.83(m,1H),1.81-1.69(m,4H),1.65(s,3H),1.62-1.53(m,1H),1.28-1.15(m,1H),1.02(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ172.8,164.8,146.4,140.7,129.7,128.2,127.4,127.0,126.9,126.3,124.8,75.0,68.5,59.9,53.4,51.3,40.1,39.5,36.0,35.3,29.8,27.7,27.6,26.5,23.2,14.0;HRMS(ESI)calculated for[C28H33NO2+H]+(M+H+)requires m/z 416.2590,found m/z 416.2596.
以下产物按照上述方法合成产物脱酯基席夫碱化合物
VI-2:(1R*,5R*,6S*,8S*)-1,3,8-三甲基-5,8-二苯基-2-氮杂二环[4.2.0]辛烷-2-烯基-6-乙酯
7.35-7.28(m,2H),7.26-7.22(m,2H),7.22-7.14(m,2H),7.13-7.07(m,2H),4.02-3.85(m,2H),2.98-2.87(m,2H),2.86-2.75(m,1H),2.43(d,J=13.2Hz,1H),1.89(s,3H),1.84(dd,J=16.4,3.6Hz,1H),1.49(s,3H),1.42(s,3H),1.06(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ172.5,165.5,146.3,140.2,128.5,128.2,127.5,127.4,127.0,125.6,67.0,59.9,52.1,49.7,40.6,33.1,30.5,29.9,27.4,23.0,14.0;HRMS(EI)calculated for[C25H29NO2+H]+(M+H+)requires m/z376.2277,found m/z376.2283.
VI-3:(1S*,5R*,6S*,8R*)-8-乙酰胺基-1,3-二甲基-5,8-二苯基-2-氮杂二环[4.2.0]辛-2-烯基-6-乙酯
NMR:(400.1MHz,CDCl3)δ7.64(d,J=7.6Hz,2H),7.36-7.29(m,2H),7.29-7.27(m,1H),7.25-7.18(m,3H),7.16-7.10(m,2H),6.34-6.28(br,1H),3.97-3.77(m,2H),3.52(d,J=14.0Hz,1H),3.01(d,J=14.0Hz,1H),2.97-2.77(m,2H),1.92-1.80(m,7H),1.57(s,3H),0.97(t,J=7.2Hz,3H);13C NMR:(100.6MHz,CDCl3)δ171.8,168.4,167.5,141.1,139.5,129.4,128.2,127.4,127.2,127.1,126.9,66.9,63.8,60.0,51.3,39.9,32.6,30.0,27.5,23.7,22.4,13.8;HRMS(EI)calculated for[C26H30N2O3]+(M+)requires m/z 418.2256,found m/z 418.2263.
VI-4:(1R*,5R*,6S*,8S*)-8-(4-氟苯基)-8-(4-羟基丁基)-1,3-二甲基-5-苯基-2-氮杂[4.2.0]辛-2-烯-6-乙酯
3H),7.10(d,J=6.8Hz,2H),6.99(t,J=8.8Hz,2H),3.97-3.87(m,2H),3.55-3.41(m,2H),2.92-2.74(m,3H),2.41(d,J=13.2Hz,1H),1.92-1.70(m,6H),1.51-1.32(m,5H),1.28-1.21(br,1H),1.10-0.98(m,4H),0.75-0.58(m,1H);13C NMR:(100.6MHz,CDCl3)δ172.4,165.7,161.0(d,J=242.6Hz),140.0,138.9,138.8,128.2,127.4,127.1,113.9,113.7,67.0,62.6,60.0,52.8,51.9,40.7,33.0,31.9,30.3,27.4,22.6,20.8,14.0;19F NMR(376.5MHz,CDCl3)-117.5(s,1F);HRMS(ESI)calculated for[C28H34FNO3+H]+(M+H+)requires m/z 452.2601,found m/z 452.2613.
本方法不仅仅只适用于保护以上产物,还保护此类反应其他衍生物。
实施例8:产物还原合成席夫碱四元环醇类化合物(应用实例)
氮气保护下向20mL反应管中加入VI-1(0.506g,0.51mmol)、四氢呋喃(3mL),四氢铝锂(0.0481g,1.30mmol),加热回流搅拌24h后加水猝灭,随后二氯甲烷萃取三次,饱和食盐水洗涤,无水硫酸钠干燥,过滤旋干即得目标产物。
VI-5:1′-((1′S*,2′R*,5S*,6′R*)-4′,6′-二甲基-2′-苯基-6,7,8,9-四氢-5′-氮杂螺[苯[7]轮烯-5,7′-二环[4.2.0]辛烷]-4′-烯)-1-甲醇
7.19-7.04(m,3H),3.73(d,J=10.8Hz,1H),3.52-3.41(m,2H),3.09-3.01(m,1H),2.82(d,J=13.2Hz,1H),2.63-2.54(m,1H),2.44-2.30(m,2H),2.17-2.02(m,2H),1.89(d,J=13.2Hz,1H),1.84-1.76(m,2H),1.74(s,3H),1.63-1.54(m,4H),1.38-1.33(m,2H);13CNMR:(100.6MHz,CDCl3)δ165.8,145.1,143.4,142.9,129.2,128.5,127.9,126.5,126.4,125.9,124.9,66.60,66.58,54.3,41.4,41.2,39.6,37.5,35.3,33.7,27.6,26.8,26.5,22.6;HRMS(ESI)calculated for[C26H31NO+H]+(M+H+)requires m/z374.2484,found m/z374.2494.
本方法不仅仅只适用于保护以上产物,还保护此类反应其他衍生物。
实施例9:产物氢化合成四氢吡啶类化合物(应用实例)
氮气保护下向20mL反应管中加入VI-1(0.0836g,0.20mmol)、乙醇(4mL),雷尼镍(100mg),氢气置换反应管中氮气三次,加热至60℃搅拌24h后加水稀释,随后二氯甲烷萃取三次,饱和食盐水洗涤,无水硫酸钠干燥,过滤旋干即得目标产物。
VII-1:(1′S*,2′R*,4′S*,5S*,6′R*)-4′,6′-二甲基-2′-苯基-6,7,8,9-四氢--5′-氮杂螺[苯[7]轮烯-5,7′-二环[4.2.0]辛烷]-1′-乙酯
cm-1.1H NMR:(400.0MHz,MeOD-d4)δ7.72(d,J=7.6Hz,1H),7.35-7.28(m,1H),7.27-7.17(m,6H),7.16-7.11(m,1H),4.00(q,J=7.2Hz,2H),3.28-3.16(m,2H),3.05(d,J=14.0Hz,1H),2.95(q,J=6.4Hz,1H),2.70-2.56(m,2H),2.35-2.17(m,2H),1.98-1.84(m,1H),1.77-1.41(m,2H),1.60(s,3H),1.58-1.45(br,1H),1.37-1.22(m,2H),1.19-1.05(m,4H),0.93(d,J=6.4Hz,3H);13C NMR:(100.6MHz,DMSO-d6)δ173.1,143.7,141.0,129.6,128.1,127.6,126.8,126.5,125.8,65.0,59.6,50.0,43.5,43.2,37.3,34.0,31.3,26.1,23.2,20.1,13.9;HRMS(ESI)calculated for[C28H35NO2+H]+(M+H+)requires m/z418.2746,found m/z 418.2746.
本方法不仅仅只适用于保护以上产物,还保护此类反应其他衍生物。
实施例10:细胞存活率(cell viability level)测定:
HepG2肝癌细胞以3000cells/well于384孔板铺板,室温培养12小时后入上述产物,所加产物浓度为10μM,每孔终体积为40μl。室温作用12小时后避光加入ATP15μl/well,室温孵育10分钟,酶标仪读数。平行重复三次实验,空白实验存活癌细胞作为100,其他数据与空白对比,数据记录如表1。由图5柱状图可看出,产物III,IV,V,VI,VII对人类细胞HepG2生长有明显抑制作用。NC为空白实验。
表1 HepG2肝癌细胞菌株中腺嘌呤核苷三磷酸含量
H1975人类肺癌细胞以3000cells/well于384孔板铺板,室温培养12小时后加入如下表格对应产物,浓度为10μM,每孔终体积为40μl。室温作用12小时后避光加入ATP 15μl/well,室温孵育10分钟,酶标仪读数。平行重复三次实验,空白实验存活癌细胞作为100,其他数据与空白对比,数据记录如表2。由图6柱状图可看出,产物III,IV,V,VI,VII对人类肺癌细胞H1975生长有明显抑制作用。NC为空白实验。
表2 H1975肺癌细胞菌株中腺嘌呤核苷三磷酸含量
Claims (7)
1.一类2-氮杂二环[4.2.0]辛烷化合物,所述2-氮杂二环[4.2.0]辛烷化合物如式III或式IV所示:
式III、IV中,R1任选自氢、C1-C16的烷基、C3-C15环烷基或酰胺基;所述烷基、环烷基上的H不被取代或被1个以上的取代基A取代,所述取代基A为C2~C10的酯基或羟基;
R2任选自苯基、式IX所示的取代苯基、C8-C19的苯并环烷基或C5~C19的含N的杂环芳基A,所述杂环芳基A为吲哚基或吡啶基;
或R1、R2连接成环,形成C8-C19的苯并环烷基;
R9任选自氢、或R2与R9与四元环上的两个碳连接成环,形成C8-C19的苯并环烷基或C8~C19的含N,O,S的苯并杂环基C;
R任选自氢、C1-C16的烷基、苯基、式IX所示的取代苯基或C4~C10的含N,S的杂环芳基D;所述C1-C16的烷基上的H不被取代或被1个以上的取代基E取代,所述取代基E为C1~C10的烷基硅氧基、羟基、卤素或苯基;所述含N,S的杂环芳基D为吡啶基或噻吩基;R3任选自C2~C10的酯基、腈基、C1~C10的醛基或C1~C10的羟基烷基,所述酯基上的取代基为C1-C9的烷基或烯丙基;所述R4任选自C2~C10的酯基、腈基、C1~C10的醛基或C1~C10的羟基烷基,所述酯基上的取代基为C1-C9的烷基或烯丙基;R5任选自氢或C1-C16的烷基;
式IX中,R6、R7、R8任选自H、卤素、C1-C16烷基、三氟甲基、C1-C10的烷氧基中的任意一种。
2.如权利要求1所述的2-氮杂二环[4.2.0]辛烷化合物,其特征在于所述R1为氢、甲基、丙基、正己基、甲氧基羰基正丙基、羟基正丁基、环丙基、乙酰胺基、吲哚基;所述R2为苯基、式IX所示的取代苯基、2-吡啶基、3-吡啶基、N-甲基-1(H)吲哚-1(H)基;所述取代苯基为以下取代基单取代的取代苯基:甲基、甲氧基、三氟甲基、F、Br;
或R1、R2连接成环,成环的两个碳连在同一个碳原子上,形成二氢茚、四氢萘基或6,7,8,9-四氢-苯骈[7]轮烯;
R9为H或R2与R9与四元环上的两个碳连接成环,形成2,3-二氢茚或2-(1H)奎宁酮;所述R为氢、正丙基、正丁基、苯基乙基、(5-叔丁基二甲基硅氧基)正戊基、溴代正戊基、苯基、式IX所示的取代苯基、噻吩基;所述取代苯基为以下取代基单取代的取代苯基:甲基、甲氧基、三氟甲基;所述R3为甲氧基羰基、乙氧基羰基、烯丙基氧羰基、腈基、羟甲基;所述R4为甲氧基羰基、乙氧基羰基、烯丙氧基羰基、腈基、醛基;所述R5为氢、甲基或乙基。
3.如权利要求1所述的2-氮杂二环[4.2.0]辛烷类化合物的合成方法,其特征在于所述方法为:在惰性气体保护下,在有机溶剂中,以式I所示的1,4-二氢吡啶类化合物和式II所示的烯烃为原料,在催化剂的作用下,在可见光照射下,反应制得式III或式IV所示的2-氮杂二环[4.2.0]辛烷类化合物;
反应式如下所示:
式I或式II中,R1任选自氢、C1-C16的烷基、C3-C15环烷基或酰胺基;所述烷基、环烷基上的H不被取代或被1个以上的取代基A取代,所述取代基A为C2~C10的酯基或羟基;
R2任选自苯基、式IX所示的取代苯基、C8-C19的苯并环烷基或C5~C19的含N的杂环芳基A,所述杂环芳基A为吲哚基或吡啶基;
或R1、R2连接成环,形成C8-C19的苯并环烷基;
R9任选自氢、或R2与R9与四元环上的两个碳连接成环,形成C8-C19的苯并环烷基或C8~C19的含N,O,S的苯并杂环基C;
R任选自氢、C1-C16的烷基、苯基、式IX所示的取代苯基或C4~C10的含N,S的杂环芳基D;所述C1-C16的烷基上的H不被取代或被1个以上的取代基E取代,所述取代基E为C1~C10的烷基硅氧基、羟基、卤素或苯基;所述含N,S的杂环芳基D为吡啶基或噻吩基;R3任选自C2~C10的酯基、腈基、C1~C10的醛基或C1~C10的羟基烷基,所述酯基上的取代基为C1-C9的烷基或烯丙基;所述R4任选自C2~C10的酯基、腈基、C1~C10的醛基或C1~C10的羟基烷基,所述酯基上的取代基为C1-C9的烷基或烯丙基;R5任选自氢或C1-C16的烷基;
式IX中,R6、R7、R8任选自H、卤素、C1-C16烷基、三氟甲基、C1-C10的烷氧基中的任意一种;
所述催化剂如式1、式2或式3所示:
4.如权利要求1所述的式III或式IV所示的2-氮杂二环[4.2.0]辛烷化合物在制备抗肿瘤药物中的应用。
6.式V、VI、VII所示的化合物
其中,R1任选自氢、C1-C16的烷基、C3-C15环烷基或酰胺基;所述烷基、环烷基上的H不被取代或被1个以上的取代基A取代,所述取代基A为C2~C10的酯基或羟基;
R2任选自苯基、式IX所示的取代苯基、C8-C19的苯并环烷基或C5~C19的含N的杂环芳基A,所述杂环芳基A为吲哚基或吡啶基;
或R1、R2连接成环,形成C8-C19的苯并环烷基;
R9任选自氢、或R2与R9与四元环上的两个碳连接成环,形成C8-C19的苯并环烷基或C8~C19的含N,O,S的苯并杂环基C;
R任选自氢、C1-C16的烷基、苯基、式IX所示的取代苯基或C4~C10的含N,S的杂环芳基D;所述C1-C16的烷基上的H不被取代或被1个以上的取代基E取代,所述取代基E为C1~C10的烷基硅氧基、羟基、卤素或苯基;所述含N,S的杂环芳基D为吡啶基或噻吩基;R3任选自C2~C10的酯基、腈基、C1~C10的醛基或C1~C10的羟基烷基,所述酯基上的取代基为C1-C9的烷基或烯丙基;所述R4任选自C2~C10的酯基、腈基、C1~C10的醛基或C1~C10的羟基烷基,所述酯基上的取代基为C1-C9的烷基或烯丙基;R5任选自氢或C1-C16的烷基;
式IX中,R6、R7、R8任选自H、卤素、C1-C16烷基、三氟甲基、C1-C10的烷氧基中的任意一种。
7.如权利要求6所述的式V、VI、VII所示的化合物在制备抗肿瘤药物中的应用。
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