CN110776438A - (z,e)-构型的戊二烯酰胺类化合物及其合成方法 - Google Patents
(z,e)-构型的戊二烯酰胺类化合物及其合成方法 Download PDFInfo
- Publication number
- CN110776438A CN110776438A CN201910957008.XA CN201910957008A CN110776438A CN 110776438 A CN110776438 A CN 110776438A CN 201910957008 A CN201910957008 A CN 201910957008A CN 110776438 A CN110776438 A CN 110776438A
- Authority
- CN
- China
- Prior art keywords
- amide compound
- configuration
- reaction
- pentadiene amide
- added
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- -1 pentadiene amide compound Chemical class 0.000 title claims abstract description 102
- 238000001308 synthesis method Methods 0.000 title abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 92
- 150000001336 alkenes Chemical class 0.000 claims abstract description 30
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 24
- 230000002950 deficient Effects 0.000 claims abstract description 18
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000654 additive Substances 0.000 claims abstract description 15
- 239000003054 catalyst Substances 0.000 claims abstract description 15
- 150000003624 transition metals Chemical class 0.000 claims abstract description 15
- 230000000996 additive effect Effects 0.000 claims abstract description 14
- 239000003960 organic solvent Substances 0.000 claims abstract description 11
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 claims abstract description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 87
- 229910001494 silver tetrafluoroborate Inorganic materials 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 19
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 16
- UGNWTBMOAKPKBL-UHFFFAOYSA-N tetrachloro-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(Cl)=C(Cl)C1=O UGNWTBMOAKPKBL-UHFFFAOYSA-N 0.000 claims description 16
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 229910052741 iridium Inorganic materials 0.000 claims description 9
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical group [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 7
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- 239000010452 phosphate Substances 0.000 claims description 6
- 150000002431 hydrogen Chemical class 0.000 claims description 5
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Natural products CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 4
- 239000012300 argon atmosphere Substances 0.000 claims description 4
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 4
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 3
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 2
- 125000001255 4-fluorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1F 0.000 claims description 2
- ZECJHXWYQJXFQQ-UHFFFAOYSA-L CC1=C(C)C(C)([Ir](Cl)Cl)C(C)=C1C Chemical group CC1=C(C)C(C)([Ir](Cl)Cl)C(C)=C1C ZECJHXWYQJXFQQ-UHFFFAOYSA-L 0.000 claims description 2
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical group OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims description 2
- 125000004185 ester group Chemical group 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical group 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 125000001624 naphthyl group Chemical group 0.000 claims description 2
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 claims description 2
- 125000001174 sulfone group Chemical group 0.000 claims description 2
- 125000003944 tolyl group Chemical group 0.000 claims description 2
- 230000002194 synthesizing effect Effects 0.000 claims 7
- 239000007800 oxidant agent Substances 0.000 abstract description 7
- 230000001590 oxidative effect Effects 0.000 abstract description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 54
- 239000007795 chemical reaction product Substances 0.000 description 37
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 31
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 31
- 229910052786 argon Inorganic materials 0.000 description 27
- MMAGMBCAIFVRGJ-UHFFFAOYSA-J iridium(3+);1,2,3,4,5-pentamethylcyclopenta-1,3-diene;tetrachloride Chemical compound Cl[Ir+]Cl.Cl[Ir+]Cl.CC=1C(C)=C(C)[C-](C)C=1C.CC=1C(C)=C(C)[C-](C)C=1C MMAGMBCAIFVRGJ-UHFFFAOYSA-J 0.000 description 27
- 239000007788 liquid Substances 0.000 description 27
- 238000002360 preparation method Methods 0.000 description 26
- 239000000047 product Substances 0.000 description 26
- DREPONDJUKIQLX-UHFFFAOYSA-N 1-[ethenyl(ethoxy)phosphoryl]oxyethane Chemical group CCOP(=O)(C=C)OCC DREPONDJUKIQLX-UHFFFAOYSA-N 0.000 description 22
- 238000010438 heat treatment Methods 0.000 description 22
- 238000001228 spectrum Methods 0.000 description 20
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 19
- 238000005160 1H NMR spectroscopy Methods 0.000 description 19
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 18
- 238000004896 high resolution mass spectrometry Methods 0.000 description 18
- 239000011541 reaction mixture Substances 0.000 description 11
- 238000001035 drying Methods 0.000 description 10
- 238000006555 catalytic reaction Methods 0.000 description 8
- UJTPZISIAWDGFF-UHFFFAOYSA-N ethenylsulfonylbenzene Chemical group C=CS(=O)(=O)C1=CC=CC=C1 UJTPZISIAWDGFF-UHFFFAOYSA-N 0.000 description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 6
- 239000003480 eluent Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 239000012295 chemical reaction liquid Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 150000001993 dienes Chemical class 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 3
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical group CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- WFKDPJRCBCBQNT-UHFFFAOYSA-N n,2-dimethylprop-2-enamide Chemical compound CNC(=O)C(C)=C WFKDPJRCBCBQNT-UHFFFAOYSA-N 0.000 description 3
- 238000005691 oxidative coupling reaction Methods 0.000 description 3
- 229910052763 palladium Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229910052703 rhodium Inorganic materials 0.000 description 3
- 239000010948 rhodium Substances 0.000 description 3
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 3
- 229910052707 ruthenium Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000007239 Wittig reaction Methods 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004440 column chromatography Methods 0.000 description 2
- 150000001879 copper Chemical class 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 125000000250 methylamino group Chemical group [H]N(*)C([H])([H])[H] 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- CSCFRIXKHXJIFU-UHFFFAOYSA-N n-methoxy-n,2-dimethylprop-2-enamide Chemical compound CON(C)C(=O)C(C)=C CSCFRIXKHXJIFU-UHFFFAOYSA-N 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 125000003170 phenylsulfonyl group Chemical group C1(=CC=CC=C1)S(=O)(=O)* 0.000 description 2
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- RASDUGQQSMMINZ-UHFFFAOYSA-N 2-methyl-1-piperidin-1-ylprop-2-en-1-one Chemical compound CC(=C)C(=O)N1CCCCC1 RASDUGQQSMMINZ-UHFFFAOYSA-N 0.000 description 1
- LVCMKNCJDCTPIB-UHFFFAOYSA-N 2-methyl-1-pyrrolidin-1-ylprop-2-en-1-one Chemical compound CC(=C)C(=O)N1CCCC1 LVCMKNCJDCTPIB-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 238000005698 Diels-Alder reaction Methods 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 238000007341 Heck reaction Methods 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- KRKPYFLIYNGWTE-UHFFFAOYSA-N n,o-dimethylhydroxylamine Chemical compound CNOC KRKPYFLIYNGWTE-UHFFFAOYSA-N 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 150000003334 secondary amides Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 150000003511 tertiary amides Chemical class 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/12—Preparation of carboxylic acid amides by reactions not involving the formation of carboxamide groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C315/00—Preparation of sulfones; Preparation of sulfoxides
- C07C315/04—Preparation of sulfones; Preparation of sulfoxides by reactions not involving the formation of sulfone or sulfoxide groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/40—Esters thereof
- C07F9/4003—Esters thereof the acid moiety containing a substituent or a structure which is considered as characteristic
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/40—Esters thereof
- C07F9/4003—Esters thereof the acid moiety containing a substituent or a structure which is considered as characteristic
- C07F9/4015—Esters of acyclic unsaturated acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
- C07F9/572—Five-membered rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
- C07F9/576—Six-membered rings
- C07F9/59—Hydrogenated pyridine rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/09—Geometrical isomers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
本发明公开了一种具有式(1)或式(2)结构的(Z,E)‑构型的戊二烯酰胺类化合物,其合成方法为将丙烯酰胺、单取代的缺电子烯烃、过渡金属盐催化剂和添加剂置于有机溶剂,反应得到(Z,E)‑构型的戊二烯酰胺类化合物。本发明在相对温和的条件下,采用经济易得的丙烯酰胺与单取代的缺电子烯烃来制得戊二烯酰胺类化合物,合成方法中避免了当量过渡金属氧化剂的使用,仅需添加少量的银盐促进反应,高效、选择性地合成立体专一性的(Z,E)‑构型的戊二烯酰胺类化合物,产率最高可达97%。
Description
技术领域
本发明涉及共轭二烯类化合物的合成技术领域,具体涉及一种(Z,E)- 构型的戊二烯酰胺类化合物及其合成方法。
背景技术
共轭二烯是一类十分重要的有机合成砌块,且该结构在天然产物和药物分子中大量出现,它广泛的应用于狄尔斯-阿尔德反应、电环化反应、齐格勒-纳塔(Ziegler-Natta)聚合等,被广泛用于医药、农药、化工领域,研究其合成方法具有重要意义。经典的合成方法包括Heck反应和Wittig 反应,但是这些合成方法不仅需要预活化底物,且产生大量的副产物, Wittig反应还需要过量原料,不符合原子经济性和步骤经济性的发展趋势。
最近,通过烯烃-烯烃间的C-H/C-H氧化偶联直接来制备共轭二烯的方法收到了化学家的关注。无导向基作用下的烯烃偶联反应通常使用钯盐作为催化剂,反应经历烯基钯中间体,生成的是E,E构型的共轭二烯。如果在烯烃底物中引入导向基团,在过渡金属催化下形成环金属过渡态,伴随着烯烃插入和β-氢消除就可以得到Z,E构型的共轭二烯(Chem.Soc.Rev. 2013,42,3253;Sci.Chin.Chem.2015,58,1252;Acc.Chem.Res.2012,45,814)。但是,目前报导的方法用到了大量的过渡金属氧化剂,如二价铜盐和银盐等,造成该类反应的官能团兼容性降低,应用受到限制。且过渡金属的氧化剂毒性较大,大量使用不易工业化,对环境污染较大,因而,实现无金属氧化剂存在的烯烃偶联具有重要意义。
同时,人们已经实现了过渡金属,钌,铑,钯等催化下的烯烃氧化偶联的方法,但是在铱催化的烯烃偶联尚未见报导,可能由于铱的催化活性高,导致烯烃的反应选择性降低。发展铱催化下的烯烃偶联不仅可以实现不同过渡金属催化体系下的反应底物范围和选择性的互补,而且具有重要的理论意义和应用价值。
过渡金属催化下的氢转移过程已经多有报导,但是融合过渡金属催化下的氢转移过程和碳氢键的烯基化的反应则非常有限,其中涉及不饱和键的氢化和异构化问题(Angew.Chem.,Int.Ed.2014,53,4950;ACS Catal. 2016,6,230;Chem.Eur.J.2016,22,17926;Org.Lett.2017,19,4640)。这里,反应底物、催化体系以及氢吸收剂的匹配以及选择显得至关重要。
发明内容
本发明提供了一种无金属氧化剂的烯烃氧化偶联方法,包含了导向基作用下的烯基碳氢键选择性活化以及氢转移过程,采用铱催化,通过丙烯酰胺与缺电子烯烃,高效、选择性地合成立体专一性的(Z,E)-构型的戊二烯酰胺类化合物,产率最高可达97%。
为实现上述目的,本发明采用的技术方案是:
一种(Z,E)-构型的戊二烯酰胺类化合物,其结构如式(1)或式(2) 所示:
式中,R1为C1~6烷基、苯基、萘基、卤素取代的苯基,甲氧基取代的苯基,三氟甲基取代的苯基中任一种;R2和R3独自为氢,甲基,乙基,甲氧基中任一种,或连接形成五元环或六元环;R4为酯基、膦酸酯基或砜基;n为1或2。
进一步优选地,所述的卤素取代的苯基为氟取代的苯基或氯取代的苯基。
更进一步优选地,所述的卤素取代的苯基为4-氟苯基或4-氯苯基。
更为具体的,所述的(Z,E)-构型的戊二烯酰胺类化合物为下列化合物之一:(2E,4Z)-5-甲基-6-(甲胺基)-6-氧代己基-2,4-二烯酸丁酯;二乙基((1E, 3Z)-5-(二甲基氨基)-4-甲基-5-氧代戊-1,3-二烯-1-基)膦酸酯;二乙基((1E, 3Z)-5-(二甲基氨基)-4-甲基-5-氧代戊-1,3-二烯-1-基)膦酸酯;二乙基((1E, 3Z)-5-(二甲基氨基)-5-氧代-4-苯基戊-1,3-二烯-1-基)膦酸酯;二乙基((1E, 3Z)-5-(二甲基氨基)-5-氧代-4-苯基戊-1,3-二烯-1-基)膦酸酯;二乙基((1E, 3Z)4-(4-氯苯基)-5-(二甲基氨基)-5-氧代戊-1,3-二烯-1-基)膦酸酯;二乙基 ((1E,3Z)-5-(二甲基氨基)-4-(4-氟苯基)-5-氧代戊-1,3-二烯-1-基)膦酸酯;二乙基((1E,3Z)-5-(二甲基氨基)-4-(4-甲氧基苯基)-5-氧代戊烷-1,3-二烯-1-基) 膦酸;(1E,3Z)-5-(二甲基氨基)-5-氧代-4-(4-(三氟甲基)苯基)戊-1,3-二烯 -1-基)膦酸二乙酯;二乙基((1E,3Z)-5-(二甲基氨基)-4-(萘-1-基)-5-氧代戊烷 -1,3-二烯-1-基)膦酸;二乙基(E)-(2-(2-(二甲基氨基甲酰基)环己-1-烯-1-基) 乙烯基)膦酸酯;二乙基(E)-(2-(2-(二甲基氨基甲酰基)环己-1-烯-1-基)乙烯基)膦酸酯;(E)-(2-(2-(二甲基氨基甲酰基)环戊-1-烯-1-基)乙烯基)膦酸二乙酯;二乙基((1E,3Z)-4-(二甲基氨基甲酰基)七-1,3-二烯-1-基)膦酸酯;二乙基((1E,3Z)-4-甲基-5-氧代-5-(吡咯烷-1-基)戊-1,3-二烯-1-基)膦酸酯;二乙基((1E,3Z)-4-甲基-5-氧代-5-(哌啶-1-基)戊-1,3-二烯-1-基)膦酸酯;二乙基 ((1E,3Z)-5-(二乙氨基)-4-甲基-5-氧代戊-1,3-二烯-1-基)膦酸酯;二乙基 ((1E,3Z)-5-(甲氧基(甲基)氨基)-4-甲基-5-氧代戊-1,3-二烯-1-基)膦酸酯;二乙基((1E,3Z)-5-(甲氧基(甲基)氨基)-4-甲基-5-氧代戊-1,3-二烯-1-基)膦酸酯;二乙基((1E,3Z)-4-甲基-5-(甲氨基)-5-氧代戊-1,3-二烯-1-基)膦酸酯;二乙基((1E,3Z)-4-甲基-5-(甲氨基)-5-氧代戊-1,3-二烯-1-基)膦酸酯;(2Z, 4E)-N,N,2-三甲基-5-(苯基磺酰基)戊-2,4-二烯酰胺;(2Z,4E)-N,N,2-三甲基-5-(苯基磺酰基)戊-2,4-二烯酰胺;(2Z,4E)-N,N-二甲基-2-苯基-5-(苯基磺酰基)戊-2,4-二烯酰胺;(2Z,4E)-N,N-二甲基-2-苯基-5-(苯基磺酰基)戊 -2,4-二烯酰胺;(2Z,4E)-N,N-二甲基-5-(苯磺酰)-2-丙基五-2,4-二酰胺。
所述的(Z,E)-构型的戊二烯酰胺类化合物的合成方法为:将丙烯酰胺、单取代的缺电子烯烃、过渡金属盐催化剂和添加剂置于有机溶剂,于氩气氛围下加热反应,反应结束后,反应液经后处理得到所述的(Z,E)-构型的戊二烯酰胺类化合物;
所述的单取代的缺电子烯烃为烯基磷酸酯、烯基砜或丙烯酸酯。
所述的(Z,E)-构型的戊二烯酰胺类化合物的合成方法还可以加入四氯苯醌,高效地促进反应,并大大降低成本。具体合成方法为:将丙烯酰胺、单取代的缺电子烯烃、四氯苯醌、过渡金属盐催化剂和添加剂置于有机溶剂,于氩气氛围下加热反应,反应结束后,反应液经后处理得到所述的 (Z,E)-构型的戊二烯酰胺类化合物;
所述的单取代的缺电子烯烃为烯基磷酸酯、烯基砜或丙烯酸酯。
进一步地,所述的烯基磷酸酯为乙烯基膦酸二乙酯;所述的烯基砜为苯基乙烯基砜;所述的丙烯酸酯为丙烯酸丁酯。
当单取代缺电子烯烃为乙烯基膦酸二乙酯时,所述的(Z,E)-构型的戊二烯酰胺类化合物的合成反应式如下:
当单取代电子烯烃为苯基乙烯基砜时,所述的(Z,E)-构型的戊二烯酰胺类化合物的合成反应式如下:
当单取代电子烯烃为丙烯酸丁酯时,所述的(Z,E)-构型的戊二烯酰胺类化合物的合成反应式如下:
所述的有机溶剂为甲苯、1,2-二氯乙烷、正己烷或乙酸乙酯。
所述的过渡金属催化剂为铱配合物;所述的添加剂为银盐。
进一步优选地,所述的过渡金属催化剂先用五甲基环戊二烯基氯化铱二聚物;所述的添加剂为四氟合硼酸银,反应效率更高。
不添加四氯苯醌时,所述的丙烯酰胺、单取代的缺电子烯烃、过渡金属盐催化剂和添加剂的物质的量之比为1:1.2-2:0.05-0.2:0.1-1;所述的有机溶剂的体积用量以丙烯酰胺的物质的量计为2-5L/mol。
添加四氯苯醌时,所述的丙烯酰胺、单取代的缺电子烯烃、四氯苯醌、过渡金属盐催化剂和添加剂的物质的量之比为1:1.2-2:1-2:0.05-0.2:0.1-1;所述的有机溶剂的体积用量以丙烯酰胺的物质的量计为2-5L/mol。
所述的加热反应的温度为80-120℃,反应时间16~24h。
所述的后处理为将反应液装柱,剩余反应液用二氯甲烷溶解转移,用硅胶进行柱层析分离,洗脱剂为乙酸乙酯与石油醚混合液,收集含目标化合物的洗脱液,浓缩干燥得到所述的戊二烯酰胺类化合物。
该反应大致机理如下:利用酰胺作为导向基团,与铱配合物作用后生成五元环金属过渡态,随后的烯烃插入和β-氢消除生成了共轭二烯。
本发明在相对温和的条件下,首次实现了铱催化下的烯烃间氧化偶联生成共轭二烯的方法,采用简单的铱配合物作为催化剂,银盐作为添加剂,烯基磷酸酯、烯基砜或丙烯酸酯为单取代的缺电子烯烃,从丙烯酰胺与单取代的缺电子烯烃来制得(Z,E)-构型的戊二烯酰胺类化合物。
本发明提供的(Z,E)-构型的戊二烯酰胺类化合物可作为原料合成含有戊二烯酰胺结构的农药、医药、化妆品或香料等。
与现有技术相比,本发明具有以下有益效果:
(1)本发明提供的高效合成的(Z,E)-构型的戊二烯酰胺类化合物末端含有砜基或磷酸酯基,这类化合物在此之前未见报道。
(2)本发明提供的合成方法操作简单、反应条件温和,反应收率高,反应收率最高可达97%。
(3)本发明提供的合成方法所使用的合成原料,如丙烯酰胺、丙烯酸酯,经济易得,具有很强的应用前景,该合成方法也是对铑、钌或钯催化方法的一种有效补充,与之前的铑、钌或钯催化的方法相比,铱催化体系具有立体选择性好、底物范围宽,效率高等特点。
(4)本发明提供的合成方法利用有机小分子作为氢吸收剂,避免了当量过渡金属氧化剂的使用,如铜盐和银盐,仅需添加少量的银盐促进反应,大大降低了重金属污染,对环境友好,生产环保压力更小。
附图说明
图1为实施例4中二乙基((1E,3Z)-5-(二甲基氨基)-5-氧代-4-苯基戊-1, 3-二烯-1-基)膦酸酯的核磁共振氢谱图。
图2为实施例13中(E)-(2-(2-(二甲基氨基甲酰基)环戊-1-烯-1-基)乙烯基)膦酸二乙酯的核磁共振氢谱图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。本领域技术人员在理解本发明的技术方案基础上进行修改或等同替换,而未脱离本发明技术方案的精神和范围,均应涵盖在本发明的保护范围内。
以下实施例所使用药品均为市场所购,其中过渡金属催化剂均采用二氯(五甲基环戊二烯基)合铱(III)二聚体;添加剂均采用四氟硼酸银。
实施例中反应液后处理步骤为:将反应液装柱,剩余反应液用二氯甲烷溶解转移,用300目硅胶进行柱层析分离,洗脱剂为体积比1:4的乙酸乙酯与石油醚混合液,收集含目标化合物的洗脱液,浓缩干燥得到所述的戊二烯酰胺类化合物。
实施例1
(2E,4Z)-5-甲基-6-(甲胺基)-6-氧代己基-2,4-二烯酸丁酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入N-甲基甲基丙烯酰胺(19.8mg,0.2 mmol),丙烯酸丁酯(51.3mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(32.0mg,收率71%),反应式如下:
该反应产物的核磁谱图表征结果如下:
1H NMR(500MHz,CDCl3):δ=7.55(dd,J=11.5Hz,J=15.0Hz,1H), 6.95(d,J=11.5Hz,1H),6.10(d,J=15.5Hz,1H),5.95(s,1H),4.18(t,J= 6.5Hz,2H),2.91(d,J=5.0Hz,3H),2.08(s,3H),1.64-1.69(m,2H), 1,37-1.43(m,2H),0.95(t,J=7.5Hz,3H);
13C NMR(125MHz,CDCl3):δ=167.76,165.68,137.45,137.15,129.16, 124.84,63.60,29.67,25.76,18.14,12.71,12.63。
实施例2
二乙基((1E,3Z)-5-(二甲基氨基)-4-甲基-5-氧代戊-1,3-二烯-1-基)膦酸酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入N,N-二甲基甲基丙烯酰胺(22.6mg, 0.2mmol),乙烯基膦酸二乙酯(65.7mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(86%,48 mg),反应式如下:
该反应产物的核磁谱图表征结果如下:
1H NMR(500MHz,CDCl3):δ=6.87-6.97(m,1H),6.07(d,J=11.0Hz, 1H),5.70(dd,J=17.0Hz,J=18.5Hz,1H),4.03-4.09(m,4H),3.03(s,3H), 2.96(s,3H),2.04(s,3H),1.31(t,J=7.0Hz,6H);
13C NMR(125MHz,CDCl3):δ=169.16,142.54(d,JC-P=6.3Hz),141.08, 125.80(d,JC-P=27.5Hz),117.53(d,JC-P=190.0Hz),60.83,60.79,36.67, 33.27,19.89,15.36,15.30;
HR-MS(ESI):m/z calculated for C12H22NO4P:[M+H]+:276.1359,found:276.1357;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3507.37, 3444.67,3417.83,2462.83,1651.43,1633.68,1614.85,1384.38。
实施例3
二乙基((1E,3Z)-5-(二甲基氨基)-4-甲基-5-氧代戊-1,3-二烯-1-基)膦酸酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%)、四氯苯醌(88.5mg,0.36mmol)和乙酸乙酯(1.0mL)。然后,再加入 N,N-二甲基甲基丙烯酰胺(22.6mg,0.2mmol),乙烯基膦酸二乙酯(65.7 mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(89%,50mg)。
实施例4
二乙基((1E,3Z)-5-(二甲基氨基)-5-氧代-4-苯基戊-1,3-二烯-1-基)膦酸酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入N,N-二甲基-2-苯基丙烯酰胺(35.0mg,0.2mmol),乙烯基膦酸二乙酯(65.7mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(83%,68mg),反应式如下:
该反应产物的核磁谱图表征结果如图1所示,具体为:1H NMR(500 MHz,CDCl3):δ=7.35-7.45(m,5H),7.08-7.18(m,1H),6.69(d,J=12.0Hz, 1H),5.93(dd,J=17.0Hz,J=18.5Hz,1H),4.07-4.13(m,4H),3.14(s,3H), 2.88(s,3H),1.34(t,J=7.0Hz,6H);
13C NMR(125MHz,CDCl3):δ=168.45,144.41,143.53(d,JC-P=6.3 Hz),134.49,129.48,129.10,126.04,124.92(d,JC-P=27.5Hz),120.75(d,JC-P=190.0Hz),61.96,61.92,37.94,34.50,16.41,16.36;
HR-MS(ESI):m/z calculated for C17H24NO4P:[M+H]+:338.1516,found:338.1511;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3472.93, 3444.65,3423.89,2355.67,1651.30,1384.31,1025.76。
实施例5
二乙基((1E,3Z)-5-(二甲基氨基)-5-氧代-4-苯基戊-1,3-二烯-1-基)膦酸酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%)、四氯苯醌(88.5mg,0.36mmol)和乙酸乙酯(1.0mL)。然后,再加入 N,N-二甲基-2-苯基丙烯酰胺(35.0mg,0.2mmol),乙烯基膦酸二乙酯(65.7mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(63%,42.2mg)。
实施例6
二乙基((1E,3Z)4-(4-氯苯基)-5-(二甲基氨基)-5-氧代戊-1,3-二烯-1-基)膦酸酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入2-(4-氯苯基)-N,N-二甲基丙烯酰胺 (41.8mg,0.2mmol),乙烯基膦酸二乙酯(65.7mg,0.4mmol),氩气下 100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(61%,45mg),反应式如下:
该反应产物的核磁谱图表征结果如下:1H NMR(500MHz,CDCl3):δ=7.34-7.40(m,4H),7.06-7.16(m,1H),6.67(d,J=11.5Hz,1H),5.95(dd,J= 17.0Hz,J=18.0Hz,1H),4.07-4.13(m,4H),3.14(s,3H),2.87(s,3H),1.34 (t,J=7.0Hz,6H);
13C NMR(125MHz,CDCl3):δ=168.03,143.16(d,JC-P=7.5Hz), 143.08,135.42,133.03,129.34,127.32,125.33(d,JC-P=27.5Hz),121.45(d, JC-P=188.8Hz),62.00,61.96,37.90,34.53,16.41,16.36;
HR-MS(ESI):m/z calculated for C17H23ClNO4P:[M+H]+:372.1126, found:372.1119;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3646.11, 3626.62,3453.43,2378.78,1651.17,1633.95,1384.55,1050.32,1024.91。
实施例7
二乙基((1E,3Z)-5-(二甲基氨基)-4-(4-氟苯基)-5-氧代戊-1,3-二烯-1-基)膦酸酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入2-(4-氟苯基)-N,N-二甲基丙烯酰胺 (38.6mg,0.2mmol),乙烯基膦酸二乙酯(65.7mg,0.4mmol),氩气下 100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(85%,61mg),反应式如下:
该反应产物的核磁谱图表征结果如下:1H NMR(500MHz,CDCl3):δ=7.42-7.45(m,2H),7.06-7.10(m,3H),6.63(d,J=11.5Hz,1H),5.93(dd,J =16.0Hz,J=18.5Hz,1H),4.07-4.13(m,4H),3.14(s,3H),2.88(s,3H),1.34 (t,J=7.0Hz,6H);
13C NMR(125MHz,CDCl3):δ=167.25,162.35(d,JC-F=248.8Hz), 142.34(d,JC-P=6.3Hz),142.18,129.67(q,JC-F=1.25Hz),126.95(d,JC-F= 8.8Hz),123.73(dd,JC-P=1.3Hz,JC-P=27.5Hz),119.80(d,JC-P=190.0Hz), 115.20(d,JC-F=22.5Hz),61.00,60.96,36.89,33.50,15.37,15.32;
HR-MS(ESI):m/z calculated for C17H23FNO4P:[M+H]+:356.1421, found:356.1419;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3564.40, 3472.97,3417.77,1651.38,1621.66,1505.08,1237.54,1026.02。
实施例8
二乙基((1E,3Z)-5-(二甲基氨基)-4-(4-甲氧基苯基)-5-氧代戊烷-1,3-二烯 -1-基)膦酸的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入2-(4-甲氧基苯基)-N,N-二甲基丙烯酰胺(41.1mg,0.2mmol),乙烯基膦酸二乙酯(65.7mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(60%,44mg),反应式如下:
该反应产物的核磁谱图表征结果如下:1H NMR(500MHz,CDCl3):δ=7.37-7.39(m,2H),7.06-7.15(m,1H),6.89-6.91(m,2H),6.60(d,J=11.5 Hz,1H),5.87(dd,J=17.0Hz,J=18.5Hz,1H),4.06-4.12(m,4H),3.83(s, 3H),3.14(s,3H),2.88(s,3H),1.33(t,J=7.0Hz,6H);
13C NMR(125MHz,CDCl3):δ=167.71,159.65,143.02,142.86(d,JC-P= 6.3Hz),126.51,125.84,121.82(d,JC-P=27.5Hz),118.29(d,JC-P=190.0Hz), 113.49,60.89,60.85,54.36,36.91,33.45,15.38,15.33;
HR-MS(ESI):m/z calculated for C18H26NO5P:[M+H]+:368.1621,found:368.1616;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3585.30, 3472.93,3444.80,2346.56,1633.83,1598.26,1252.64,1025.70。
实施例9
(1E,3Z)-5-(二甲基氨基)-5-氧代-4-(4-(三氟甲基)苯基)戊-1,3-二烯-1-基)膦酸二乙酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入N,N-二甲基-2-(4-(三氟甲基)苯基)丙烯酰胺(48.6mg,0.2mmol),乙烯基膦酸二乙酯(65.7mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(47%,38mg),反应式如下:
该反应产物的核磁谱图表征结果如下:1H NMR(500MHz,CDCl3):δ=7.56-7.64(m,4H),7.08-7.18(m,1H),6.74(d,J=11.0Hz,1H),6.01(t,J= 17.5Hz,1H),4.08-4.14(m,4H),3.15(s,3H),2.88(s,3H),1.34(t,J=6.5Hz, 6H);
13C NMR(125MHz,CDCl3):δ=167.74,142.85,142.80,138.11,131.07 (q,JC-F=32.5Hz),126.99(d,JC-P=27.5Hz),126.36,126.06(q,JC-F=2.5Hz), 123.82(d,JC-F=270.0Hz),122.63(d,JC-F=188.8Hz),61.06,61.01,36.87, 33.56,15.39,15.34;
HR-MS(ESI):m/z calculated for C18H23F3NO4P:[M+H]+:406.1390, found:406.1380;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3472.94, 3417.89,2924.85,633.96,1434.88,1325.08,1246.19,1026.82,966.23, 843.67。
实施例10
二乙基((1E,3Z)-5-(二甲基氨基)-4-(萘-1-基)-5-氧代戊烷-1,3-二烯-1-基)膦酸的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入N,N-二甲基-2-(萘-1-基)丙烯酰胺(45.1 mg,0.2mmol),乙烯基膦酸二乙酯(65.7mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(70%, 54mg),反应式如下:
该反应产物的核磁谱图表征结果如下:1H NMR(500MHz,CDCl3):δ= 8.29-8.31(d,J=8.0Hz,1H),7.83-7.89(m,2H),7.50-7.59(m,3H),7.44-7.47 (m,1H),7.32-7.40(m,1H),6.59(d,J=11.5Hz,1H),5.93(dd,J=16.5Hz,J =18.5Hz,1H),4.11-4.17(m,4H),3.05(s,3H),2.87(s,3H),1.36(t,J=7.0 Hz,6H);
13C NMR(125MHz,CDCl3):δ=168.23,143.79,143.58(d,JC-P=6.3Hz), 134.20,133.97,132.18(d,JC-P=27.5Hz),130.58,129.42,128.87,126.95, 126.30,126.14,125.24,124.82,121.19(d,JC-P=188.8Hz),62.07,62.02, 37.92,35.03,16.43,16.38;
HR-MS(ESI):m/z calculated for C21H26NO4P:[M+H]+:388.1672, found:388.1666;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3564.35, 3444.60,2924.63,1633.48,1470.53,1385.02,1247.67,1024.08,779.43, 737.18。
实施例11
二乙基(E)-(2-(2-(二甲基氨基甲酰基)环己-1-烯-1-基)乙烯基)膦酸酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入N,N-二甲基环己-1-烯-1-甲酰胺(30.6 mg,0.2mmol),乙烯基膦酸二乙酯(65.7mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(83%,52mg),反应式如下:
该反应产物的核磁谱图表征结果如下:1H NMR(500MHz,CDCl3):δ= 6.95(dd,J=17.0Hz,J=22.0Hz,1H),5.64(t,J=17.5Hz,1H),3.99-4.04(m, 4H),2.97(s,3H),2.86(s,3H),2.42-2.45(m,1H),2.25(s,1H),2.13(s,2H), 1.65-1.68(m,4H),1.24(t,J=6.5Hz,6H);
13C NMR(125MHz,CDCl3):δ=170.23,144.72(d,JC-P=7.5Hz),140.37, 129.25(d,JC-P=23.8Hz),112.54(d,JC-P=65.0Hz),60.82,60.80,36.80, 33.29,26.74,22.78,20.65,20.60,15.36,15.31;
HR-MS(ESI):m/z calculated for C15H26NO4P:[M+H]+:316.1672,found:316.1676;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3646.20, 3444.55,2924.94,1660.49,1621.73,1505.00,1384.48,1253.84,1024.83, 964.49。
实施例12
二乙基(E)-(2-(2-(二甲基氨基甲酰基)环己-1-烯-1-基)乙烯基)膦酸酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%)、四氯苯醌(88.5mg,0.36mmol)和乙酸乙酯(1.0mL)。然后,再加入 N,N-二甲基环己-1-烯-1-甲酰胺(30.6mg,0.2mmol),乙烯基膦酸二乙酯 (65.7mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(95%,65mg)。
实施例13
(E)-(2-(2-(二甲基氨基甲酰基)环戊-1-烯-1-基)乙烯基)膦酸二乙酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入N,N-二甲基环戊-1-烯-1-甲酰胺(27.8 mg,0.2mmol),乙烯基膦酸二乙酯(65.7mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(76%,46mg),反应式如下:
该反应产物的核磁谱图表征结果如图2所示,具体为:1H NMR(500 MHz,CDCl3):δ=7.08(dd,J=17.0Hz,J=21.5Hz,1H),5.59(t,J=18.5Hz, 1H),3.99-4.02(m,4H),2.97(s,3H),2.87(s,3H),2.70(t,J=7.0Hz,2H), 2.51(t,J=7.5Hz,2H),1.92-1.98(m,2H),1.25(t,J=7.5Hz,6H);
13C NMR(125MHz,CDCl3):δ=167.63,142.52,140.22(d,JC-P=6.3Hz), 136.86(d,JC-P=23.8Hz),115.99(d,JC-P=190.0Hz),60.84,60.80,36.89, 35.06,33.41,30.95,20.98,15.38,15.33;
HR-MS(ESI):m/z calculated for C14H24NO4P:[M+H]+:302.1516,found:302.1521;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3573.18, 3444.70,3417.67,2924.61,1657.37,1384.46,1257.95,1050.62,1025.02, 964.09,796.08。
实施例14
二乙基((1E,3Z)-4-(二甲基氨基甲酰基)七-1,3-二烯-1-基)膦酸酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入N,N-二甲基-2-亚甲基戊酰胺(28.2mg, 0.2mmol),乙烯基膦酸二乙酯(65.7mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(67%,46mg),反应式如下:
该反应产物的核磁谱图表征结果如下:1H NMR(500MHz,CDCl3):δ=6.88-6.98(m,1H),6.05-6.07(m,1H),5.72(dd,J=17.0Hz,J=19.0Hz, 1H),4.03-4.09(m,4H),3.04(s,3H),2.95(s,3H),2.33(t,J=7.0Hz,2H), 1.45-1.52(m,2H),1.28-1.33(m,12H),0.88(t,J=7.0Hz,3H);
13C NMR(125MHz,CDCl3):δ=169.97,146.65,143.68(d,JC-P=6.3Hz), 125.47(d,JC-P=27.5Hz),118.62(d,JC-P=190.0Hz),61.82,61.77,37.80, 35.04,34.30,31.55,29.06,27.38,22.52,16.36,16.31,14.03;
HR-MS(ESI):m/z calculated for C17H32NO4P:[M+H]+:346.2142,found:346.2140;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3564.75, 3444.56,3384.08,3362.78,2346.88,1611.53,1633.73,1384.18。
实施例15
二乙基((1E,3Z)-4-甲基-5-氧代-5-(吡咯烷-1-基)戊-1,3-二烯-1-基)膦酸酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入2-甲基-1-(吡咯烷-1-基)丙-2-烯-1- 酮(28.2mg,0.2mmol),乙烯基膦酸二乙酯(65.7mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(78%,47mg),反应式如下:
该反应产物的核磁谱图表征结果如下:1H NMR(500MHz,CDCl3):δ=6.92-7.02(m,1H),6.05(d,J=11.5Hz,1H),5.71(dd,J=17.0Hz,J=18.5 Hz,1H),4.03-4.09(m,4H),3.56(t,J=7.0Hz,2H),3.30(t,J=6.0Hz,2H), 2.04(s,3H),1.90-1.96(m,4H),1.31(t,J=7.0Hz,6H);
13C NMR(125MHz,CDCl3):δ=167.63,142.66(d,JC-P=6.3Hz), 142.06,125.55(d,JC-P=27.5Hz),117.49(d,JC-P=190.0Hz),60.83,60.79, 46.43,44.25,24.90,23.35,19.59,15.36,15.31;
HR-MS(ESI):m/z calculated for C14H24NO4P:[M+H]+:302.1516,found:302.1515;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3626.79, 3606.16,3452.30,1633.74,1621.75,1615.23。
实施例16
二乙基((1E,3Z)-4-甲基-5-氧代-5-(哌啶-1-基)戊-1,3-二烯-1-基)膦酸酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入2-甲基-1-(哌啶-1-基)丙-2-烯-1- 酮(30.6mg,0.2mmol),乙烯基膦酸二乙酯(65.7mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(51%,32mg),反应式如下:
该反应产物的核磁谱图表征结果如下:1H NMR(500MHz,CDCl3):δ=6.95-7.04(m,1H),6.06(d,J=11.5Hz,1H),5.68(dd,J=16.5Hz,J=19.0 Hz,1H),4.03-4.09(m,4H),3.64(t,J=5.0Hz,2H),3.34(t,J=5.5Hz,2H), 2.04(s,3H),1.62-1.67(m,4H),1.53-1.54(m,2H),1.31(t,J=7.0Hz,6H);
13C NMR(125MHz,CDCl3):δ=168.48,143.68(d,JC-P=6.3Hz), 142.31,126.53(d,JC-P=27.5Hz),118.04(d,JC-P=190.0Hz),61.82,61.78, 47.44,42.16,26.58,25.58,24.49,21.20,16.39,16.34;
HR-MS(ESI):m/z calculated for C15H26NO4P:[M+H]+:316.1672,found:316.1670;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3646.13, 3507.40,3384.04,2455.33,1651.53,1621.58,1614.85,1384.22。
实施例17
二乙基((1E,3Z)-5-(二乙氨基)-4-甲基-5-氧代戊-1,3-二烯-1-基)膦酸酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入N,N-二乙基甲基丙烯酰胺(28.2mg, 0.2mmol),乙烯基膦酸二乙酯(65.7mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(76%,46 mg),反应式如下:
该反应产物的核磁谱图表征结果如下:1H NMR(500MHz,CDCl3):δ=6.90-7.00(m,1H),6.05(d,J=11.0,1H),5.69(dd,J=16.5,J=19.5,1H), 4.02-4.08(m,4H),3.47-3.49(m,2H),3.28(q,J=7.5,2H),2.05(s,3H),1.31 (t,J=7.0,6H),1.22(t,J=7.0,3H),1.15(t,J=7.5,3H);
13C NMR(125MHz,CDCl3):δ=168.57,142.53(d,JC-P=5.0Hz), 141.59,125.39(d,JC-P=27.5Hz),116.99(d,JC-P=152.5Hz),60.81,60.76, 41.48,37.48,20.21,15.36,15.30,13.26,11.82;
HR-MS(ESI):m/z calculated for C14H26NO4P:[M+H]+:304.1672,found:304.1671;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3850.90, 3646.05,3444.62,1651.48,1557.23,1384.12。
实施例18
二乙基((1E,3Z)-5-(甲氧基(甲基)氨基)-4-甲基-5-氧代戊-1,3-二烯-1-基)膦酸酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入N-甲氧基N-甲基甲基丙烯酰胺(25.8 mg,0.2mmol),乙烯基膦酸二乙酯(65.7mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(69%,40mg),反应式如下:
该反应产物的核磁谱图表征结果如下:1H NMR(500MHz,CDCl3):δ=6.94-7.04(m,1H),6.04(d,J=11.0Hz,1H),5.65(t,J=18.0Hz,1H), 3.98-4.01(m,4H),3.52(s,3H),3.19(s,3H),1.99(s,3H),1.24(t,J=7.0Hz, 6H);
13C NMR(125MHz,CDCl3):δ=168.59,142.55(d,JC-P=6.3Hz), 141.60,125.40(d,JC-P=26.3Hz),116.90(d,JC-P=190.0Hz),60.82(d,JC-P= 6.3Hz),41.49,37.50,20.19,15.33(d,JC-P=6.3Hz),13.25,11.81;
HR-MS(ESI):m/z calculated for C12H22NO5P:[M+H]+:292.1308,found:292.1307;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3673.52, 3444.63,2345.33,1667.35,1644.66,1614.98,1384.39,1019.70。
实施例19
二乙基((1E,3Z)-5-(甲氧基(甲基)氨基)-4-甲基-5-氧代戊-1,3-二烯-1-基)膦酸酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%)、四氯苯醌(88.5mg,0.36mmol)和乙酸乙酯(1.0mL)。然后,再加入 N-甲氧基N-甲基甲基丙烯酰胺(25.8mg,0.2mmol),乙烯基膦酸二乙酯(65.7mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(66%,38.3mg)。
实施例20
二乙基((1E,3Z)-4-甲基-5-(甲氨基)-5-氧代戊-1,3-二烯-1-基)膦酸酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入N-甲基甲基丙烯酰胺(19.8mg,0.2 mmol),乙烯基膦酸二乙酯(65.7mg,0.4mmol),氩气下100℃加热反应 6小时后,反应液经后处理后得到目标产物黄色油状液体(64%,33mg),反应式如下:
该反应产物的核磁谱图表征结果如下:1H NMR(500MHz,CDCl3):δ=7.27-7.37(m,1H),6.08(d,J=11.5Hz,1H),5.85-5.89(brs,1H),5.66(dd,J =16.5Hz,J=19.0Hz,1H),3.98-4.03(m,4H),2.84(d,J=4.5Hz 3H),1.98 (s,3H),1.25(t,J=7.0Hz,6H);
13C NMR(125MHz,CDCl3):δ=169.15,143.62(d,JC-P=7.5Hz),141.47, 129.54(d,JC-P=27.5Hz),119.37(d,JC-P=188.8Hz),61.96,61.92,26.43, 21.39,16.40,16.35;
HR-MS(ESI):m/z calculated for C11H20NO4P:[M+H]+:262.1203,found:262.1206;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3473.10, 3423.80,1651.54,1644.83,1615.11,1384.35,1024.30。
实施例21
二乙基((1E,3Z)-4-甲基-5-(甲氨基)-5-氧代戊-1,3-二烯-1-基)膦酸酯的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%)、四氯苯醌(88.5mg,0.36mmol)和乙酸乙酯(1.0mL)。然后,再加入 N-甲基甲基丙烯酰胺(19.8mg,0.2mmol),乙烯基膦酸二乙酯(65.7mg, 0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(78%,41mg)。
实施例22
(2Z,4E)-N,N,2-三甲基-5-(苯基磺酰基)戊-2,4-二烯酰胺的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入N,N-二甲基甲基丙烯酰胺(22.6mg, 0.2mmol),苯基乙烯基砜(67.3mg,0.4mmol),氩气下100℃加热反应 6小时后,反应液经后处理后得到目标产物黄色油状液体(97%,54mg),反应式如下:
该反应产物的核磁谱图表征结果如下:1H NMR(500MHz,CDCl3):δ=7.85-7.87(m,2H),7.59-7.63(m,1H),7.53(m,2H),7.10(dd,J=11.5Hz,J =14.5Hz,1H),6.36(d,J=14.5Hz,1H),6.04(d,J=11.5Hz,1H),3.07(s, 3H),2.96(s,3H),2.06(s,3H);
13C NMR(125MHz,CDCl3):δ=169.58,145.91,140.38,137.41,133.44, 130.88,129.31,127.65,123.30,37.70,34.38,21.19;
HR-MS(ESI):m/z calculated for C14H17NO3S:[M+H]+:280.1002,found:280.1009;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3507.57, 3473.04,3444.51,3383.77,1633.72,1621.71,1384.25。
实施例23
(2Z,4E)-N,N,2-三甲基-5-(苯基磺酰基)戊-2,4-二烯酰胺的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%)、四氯苯醌(88.5mg,0.36mmol)和乙酸乙酯(1.0mL)。然后,再加入N, N-二甲基甲基丙烯酰胺(22.6mg,0.2mmol),苯基乙烯基砜(67.3mg, 0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(61%,34.3mg)。
实施例24
(2Z,4E)-N,N-二甲基-2-苯基-5-(苯基磺酰基)戊-2,4-二烯酰胺的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%)、四氯苯醌(88.5mg,0.36mmol)和乙酸乙酯(1.0mL)。然后,再加入N, N-二甲基-2-苯基丙烯酰胺(35.0mg,0.2mmol),苯基乙烯基砜(67.3mg, 0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(82%,56mg),反应式如下:
该反应产物的核磁谱图表征结果如下:1H NMR(500MHz,CDCl3):δ=7.89-7.91(m,2H),7.62(t,J=7.5Hz,1H),7.54(t,J=7.5Hz,2H), 7.34-7.44(m,5H),7.31(dd,J=11.5Hz,J=14.5Hz,1H),6.65(d,J=11.5 Hz,1H),6.55(d,J=14.5Hz,1H),3.18(s,3H),2.88(s,3H);
13C NMR(125MHz,CDCl3):δ=166.94,146.59,139.26,136.54,133.04, 132.49,131.40,129.02,128.34,128.18,126.73,125.19,120.24,36.94,33.58;
HR-MS(ESI):m/z calculated for C19H19NO3S:[M+H]+:342.1158,found:342.1154;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3616.80, 3444.91,2924.95,1651.07,1633.70,1504.65,1445.99,1306.00,1144.69, 1084.41,829.00,753.37,688.22,591.24。
实施例25
(2Z,4E)-N,N-二甲基-2-苯基-5-(苯基磺酰基)戊-2,4-二烯酰胺的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%)、四氯苯醌(88.5mg,0.36mmol)和乙酸乙酯(1.0mL)。然后,再加入N, N-二甲基-2-苯基丙烯酰胺(35.0mg,0.2mmol),苯基乙烯基砜(67.3mg, 0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(61%,42.7mg)。
实施例26
(2Z,4E)-N,N-二甲基-5-(苯磺酰)-2-丙基五-2,4-二酰胺的制备
取干净反应瓶,加入小磁子,烘干,加入二氯(五甲基环戊二烯基) 合铱(III)二聚体(15.9mg,10mol%)、四氟硼酸银(19.5mg,50mol%) 和乙酸乙酯(1.0mL)。然后,再加入N,N-二甲基-2-亚甲基五酰胺(28.2 mg,0.2mmol),苯基乙烯基砜(67.3mg,0.4mmol),氩气下100℃加热反应6小时后,反应液经后处理后得到目标产物黄色油状液体(93%,65 mg),反应式如下:
该反应产物的核磁谱图表征结果如下:1H NMR(500MHz,CDCl3):δ=7.86-7.87(m,2H),7.60-7.63(m,1H),7.51-7.55(m,2H),7.11(dd,J=11.5 Hz,J=15.0Hz,1H),6.37(d,J=14.5Hz,1H),6.03(d,J=11.5Hz,1H),3.08 (s,3H),2.95(s,3H),2.35(t,J=7.5Hz,2H),1.44-1.50(m,2H),1.26-1.33(m, 6H),0.87(t,J=6.0Hz,3H);
13C NMR(125MHz,CDCl3):δ=168.39,149.47,139.36,136.54,132.42, 129.92,128.29,126.66,120.94,36.82,34.26,33.39,30.49,27.99,26.27,21.48, 13.01;
HR-MS(ESI):m/z calculated for C19H27NO3S:[M+H]+:350.1784,found:350.1783;
该反应产物的红外谱图表征结果如下:FTIR(KBr,cm-1):3851.02, 3444.53,3299.54,3262.31,2924.11,1615.03,1384.26,1144.60,1084.43, 830.25,752.73。
从实施例中可以看出:该方法操作简单,对多种环状和非环状的丙烯酰胺都是适用的,包括普通的二级酰胺和三级酰胺,甚至N-甲氧基-N-甲基酰胺(Weinreb酰胺);且官能团兼容性好,对氟、氯和三氟甲基等都适用。而四氯苯醌的加入同样可以高效地促进反应,并大大降低成本,最高产率达到95%。
Claims (10)
2.根据权利要求1所述的(Z,E)-构型的戊二烯酰胺类化合物,其特征在于,所述的卤素取代的苯基为氟取代的苯基或氯取代的苯基。
3.根据权利要求1所述的(Z,E)-构型的戊二烯酰胺类化合物,其特征在于,所述的卤素取代的苯基为4-氟苯基或4-氯苯基。
4.根据权利要求1所述的(Z,E)-构型的戊二烯酰胺类化合物的合成方法,其特征在于,将丙烯酰胺、单取代的缺电子烯烃、过渡金属盐催化剂和添加剂置于有机溶剂,于氩气氛围下加热反应,反应结束后,反应液经后处理得到所述的(Z,E)-构型的戊二烯酰胺类化合物;
所述的单取代的缺电子烯烃为烯基磷酸酯、烯基砜或丙烯酸酯。
5.根据权利要求1所述的(Z,E)-构型的戊二烯酰胺类化合物的合成方法,其特征在于,将丙烯酰胺、单取代的缺电子烯烃、四氯苯醌、过渡金属盐催化剂和添加剂置于有机溶剂,于氩气氛围下加热反应,反应结束后,反应液经后处理得到所述的(Z,E)-构型的戊二烯酰胺类化合物;
所述的单取代的缺电子烯烃为烯基磷酸酯、烯基砜或丙烯酸酯。
6.根据权利要求4或5任一项所述的(Z,E)-构型的戊二烯酰胺类化合物的合成方法,其特征在于,所述的有机溶剂为甲苯、1,2-二氯乙烷、正己烷或乙酸乙酯。
7.根据权利要求4或5所述的(Z,E)-构型的戊二烯酰胺类化合物的合成方法,其特征在于,所述的过渡金属催化剂为铱配合物;所述的添加剂为银盐。
8.根据权利要求7所述的(Z,E)-构型的戊二烯酰胺类化合物的合成方法,其特征在于,所述的过渡金属催化剂为五甲基环戊二烯基氯化铱二聚物;所述的添加剂为四氟合硼酸银。
9.根据权利要求4所述的(Z,E)-构型的戊二烯酰胺类化合物的合成方法,其特征在于,所述的丙烯酰胺、单取代的缺电子烯烃、过渡金属盐催化剂和添加剂的物质的量之比为1:1.2-2:0.05-0.2:0.1-1;所述的有机溶剂的体积用量以丙烯酰胺的物质的量计为2-5L/mol。
10.根据权利要求5所述的(Z,E)-构型的戊二烯酰胺类化合物的合成方法,其特征在于,所述的丙烯酰胺、单取代的缺电子烯烃、四氯苯醌、过渡金属盐催化剂和添加剂的物质的量之比为1:1.2-2:1-2:0.05-0.2:0.1-1;所述的有机溶剂的体积用量以丙烯酰胺的物质的量计为2-5L/mol。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910957008.XA CN110776438A (zh) | 2019-10-10 | 2019-10-10 | (z,e)-构型的戊二烯酰胺类化合物及其合成方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910957008.XA CN110776438A (zh) | 2019-10-10 | 2019-10-10 | (z,e)-构型的戊二烯酰胺类化合物及其合成方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110776438A true CN110776438A (zh) | 2020-02-11 |
Family
ID=69385672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910957008.XA Pending CN110776438A (zh) | 2019-10-10 | 2019-10-10 | (z,e)-构型的戊二烯酰胺类化合物及其合成方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110776438A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110818630A (zh) * | 2019-08-12 | 2020-02-21 | 西南大学 | 一种共轭(e)-3-环烯基丙烯酸酯衍生物的合成方法 |
CN111454167A (zh) * | 2020-05-07 | 2020-07-28 | 西安工程大学 | 一种合成4-(三氟甲基)2,4-戊二烯酰胺的方法 |
-
2019
- 2019-10-10 CN CN201910957008.XA patent/CN110776438A/zh active Pending
Non-Patent Citations (3)
Title |
---|
JIAN ZHANG: ""Ruthenium-and rhodium-catalyzed cross-coupling reaction of acrylamides with alkenes: efficient access to (Z,E)-dienamides"", 《CHEM. COMMUN.》 * |
KEKE MENG: ""Iridium-Catalyzed Cross-Coupling Reactions of Alkenes by Hydrogen Transfer"", 《ORGANIC LETTERS》 * |
TATIANA BESSET: "RhIII-Catalyzed Oxidative Olefination of Vinylic C H Bonds: Efficient and Selective Access to Di-unsaturated a-Amino Acid Derivatives and Other Linear 1,3-Butadienes", 《CHEM. EUR. J.》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110818630A (zh) * | 2019-08-12 | 2020-02-21 | 西南大学 | 一种共轭(e)-3-环烯基丙烯酸酯衍生物的合成方法 |
CN110818630B (zh) * | 2019-08-12 | 2022-06-10 | 西南大学 | 一种共轭(e)-3-环烯基丙烯酸酯衍生物的合成方法 |
CN111454167A (zh) * | 2020-05-07 | 2020-07-28 | 西安工程大学 | 一种合成4-(三氟甲基)2,4-戊二烯酰胺的方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Bao et al. | Radical-mediated difunctionalization of styrenes | |
Meiries et al. | [Pd (IPr* OMe)(acac) Cl]: tuning the N-heterocyclic carbene in catalytic C–N bond formation | |
JP5738185B2 (ja) | アルコールおよびアンモニアからアミンを調製する方法 | |
Jiang et al. | Ligand relay catalysis enables asymmetric migratory reductive acylation of olefins or alkyl halides | |
Li et al. | Nickel-catalyzed thiolation and selenylation of cycloketone oxime esters with thiosulfonate or seleniumsulfonate | |
Wang et al. | Construction of All-Carbon Quaternary Centers through Cu-Catalyzed Sequential Carbene Migratory Insertion and Nucleophilic Substitution/Michael Addition | |
CN110776438A (zh) | (z,e)-构型的戊二烯酰胺类化合物及其合成方法 | |
Schmidt et al. | Transition-Metal-Free Superbase-Catalyzed C–H Vinylation of Aldimines with Acetylenes to 1-Azadienes | |
Hussain et al. | Copper-catalyzed oxidative difunctionalization of terminal unactivated alkenes | |
Xie et al. | Cu-catalyzed oxidative thioesterification of aroylhydrazides with disulfides | |
Jin et al. | Synthesis of multisubstituted allenes via nickel-catalyzed cross-electrophile coupling | |
Li et al. | Weinreb amide directed cross-coupling reaction between electron-deficient alkenes catalyzed by a rhodium catalyst | |
Liu et al. | Sulfur stereogenic centers in transition-metal-catalyzed asymmetric C–H functionalization: generation and utilization | |
WO2023039975A1 (zh) | 一种制备间位官能团化的吡啶化合物的方法 | |
Lucas et al. | Engaging sulfonamides: intramolecular cross-electrophile coupling reaction of sulfonamides with alkyl chlorides | |
Lardy et al. | Formal Aniline Synthesis from Phenols through Deoxygenative N‐Centered Radical Substitution | |
Lu et al. | Dual Nickel/Ruthenium Strategy for Photoinduced Decarboxylative Cross-Coupling of α, β-Unsaturated Carboxylic Acids with Cycloketone Oxime Esters | |
Zhang et al. | Iodine-mediated aryl transfer reaction from arylhydrazine hydrochlorides to nitriles | |
Tato et al. | Rhodium-catalyzed conjugate addition of arylindium reagents to α, β-unsaturated carbonyl compounds | |
Houpis et al. | Utilization of sequential palladium-catalyzed cross-coupling reactions in the stereospecific synthesis of trisubstituted olefins | |
Xavier et al. | Synthesis of α, β-disubstituted acrylates via Galat reaction | |
Yuan et al. | Reaction of aldimines and difluoroenoxysilane, an unexpected protocol for the synthesis of 2, 2-difluoro-3-hydroxy-1-ones | |
Wang et al. | N1-Allylation of Arylhydrazines via a Palladium-Catalyzed Allylic Substitution | |
Liu et al. | Photoinduced, Palladium-Catalyzed Enantioselective 1, 2-Alkylsulfonylation of 1, 3-Dienes | |
CN108383875B (zh) | 一种银催化的3-膦酰甲基吲哚啉及制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200211 |