CN104098601B - 一种烯丙基亚磷酸酯类化合物及其合成方法 - Google Patents
一种烯丙基亚磷酸酯类化合物及其合成方法 Download PDFInfo
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 10
- 238000010189 synthetic method Methods 0.000 title claims abstract description 10
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- IWEDBEZKWHRUJX-UHFFFAOYSA-N dipropan-2-yl phosphite Chemical compound CC(C)OP([O-])OC(C)C IWEDBEZKWHRUJX-UHFFFAOYSA-N 0.000 claims abstract description 12
- -1 allyl carbonate methyl compound Chemical class 0.000 claims abstract description 11
- ZWRMSOMIVOVMQX-UHFFFAOYSA-M 2-(2-aminoethyldisulfanyl)ethanamine;palladium(2+);chloride Chemical compound [Cl-].[Pd+2].NCCSSCCN ZWRMSOMIVOVMQX-UHFFFAOYSA-M 0.000 claims abstract description 7
- 239000003054 catalyst Substances 0.000 claims abstract description 6
- 239000003960 organic solvent Substances 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 8
- YMWUJEATGCHHMB-UHFFFAOYSA-N methylene dichloride Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 7
- 238000004809 thin layer chromatography Methods 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 5
- WYURNTSHIVDZCO-UHFFFAOYSA-N tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 125000001424 substituent group Chemical group 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 230000002194 synthesizing Effects 0.000 claims description 3
- GPAYUJZHTULNBE-UHFFFAOYSA-N Diphenylphosphine Chemical compound C=1C=CC=CC=1PC1=CC=CC=C1 GPAYUJZHTULNBE-UHFFFAOYSA-N 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 230000003287 optical Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000004821 distillation Methods 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract 1
- HEDRZPFGACZZDS-MICDWDOJSA-N deuterated chloroform Substances [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 29
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 9
- 238000005160 1H NMR spectroscopy Methods 0.000 description 9
- 238000004679 31P NMR spectroscopy Methods 0.000 description 9
- 230000035969 Vmax Effects 0.000 description 9
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Inorganic materials [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- XEKOWRVHYACXOJ-UHFFFAOYSA-N acetic acid ethyl ester Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- BFASWJXWTSCDRR-UHFFFAOYSA-M prop-2-enyl carbonate Chemical compound [O-]C(=O)OC[C]=C BFASWJXWTSCDRR-UHFFFAOYSA-M 0.000 description 5
- 238000004293 19F NMR spectroscopy Methods 0.000 description 3
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N Triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 3
- 238000005937 allylation reaction Methods 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 229910052763 palladium Inorganic materials 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 0 **(*)CC=Cc1ccccc1 Chemical compound **(*)CC=Cc1ccccc1 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- KVXNKFYSHAUJIA-UHFFFAOYSA-M ethoxyethane;acetate Chemical compound CC([O-])=O.CCOCC KVXNKFYSHAUJIA-UHFFFAOYSA-M 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000002798 polar solvent Substances 0.000 description 2
- CMXPERZAMAQXSF-UHFFFAOYSA-M sodium;1,4-bis(2-ethylhexoxy)-1,4-dioxobutane-2-sulfonate;1,8-dihydroxyanthracene-9,10-dione Chemical compound [Na+].O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=CC=C2O.CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC CMXPERZAMAQXSF-UHFFFAOYSA-M 0.000 description 2
- 125000003944 tolyl group Chemical group 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- CXNIUSPIQKWYAI-UHFFFAOYSA-N CC1(C)c(cccc2P(c3ccccc3)c3ccccc3)c2Oc2c1cccc2P(c1ccccc1)c1ccccc1 Chemical compound CC1(C)c(cccc2P(c3ccccc3)c3ccccc3)c2Oc2c1cccc2P(c1ccccc1)c1ccccc1 CXNIUSPIQKWYAI-UHFFFAOYSA-N 0.000 description 1
- 101700067048 CDC13 Proteins 0.000 description 1
- WMKGGPCROCCUDY-PHEQNACWSA-N Dibenzylideneacetone Chemical compound C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 WMKGGPCROCCUDY-PHEQNACWSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000000746 allylic group Chemical group 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- NPOMSUOUAZCMBL-UHFFFAOYSA-N dichloromethane;ethoxyethane Chemical compound ClCCl.CCOCC NPOMSUOUAZCMBL-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- SRCZQMGIVIYBBJ-UHFFFAOYSA-N ethoxyethane;ethyl acetate Chemical compound CCOCC.CCOC(C)=O SRCZQMGIVIYBBJ-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 125000002467 phosphate group Chemical class [H]OP(=O)(O[H])O[*] 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Abstract
本发明涉及一种烯丙基亚磷酸酯类化合物及其合成方法,在有机溶剂中,控制反应温度为25℃~85℃,以亚磷酸二异丙酯和烯丙基碳酸甲酯化合物为原料,以Pd2(dba)3与配体作用生成的钯络合物作为催化剂,反应1‑12h制得烯丙基亚磷酸二异丙酯类化合物。与现有技术相比,本发明具有催化剂易得、催化活性高、条件温和、底物适用范围广等优点。
Description
技术领域
本发明涉及由金属钯络合物催化的烯丙基碳酸甲酯、亚磷酸二异丙酯的烯丙基化反应,尤其是涉及一种烯丙基亚磷酸二异丙酯类化合物及其合成方法。
背景技术
有机亚磷酸酯类化合物是一类非常有用的化合物,因为他们可以广泛的用于有机合成、药物化学、材料化学、催化剂等各个方面。(1)(a)Dang,Q.;Liu,Y.;Cashion,D.K.;Kasibhatla,S.R.;Jiang,T.;Taplin,F.;Jacintho,J.D.;Li,H.;Sun,Z.;Fan,Y.;DaRe,J.;Tian,F.;Li,W.;Gibson,T.;Lemus,R.;van Poelje,P.D.;Potter,S.C.;Erion,M.D.J.Med.Chem.2011,54,153.(b)Chen,X.;Kopecky,D.J.;Mihalic,J.;Jeffries,S.;Min,X.;Heath,J.;Deignan,J.;Lai,S.;Fu,Z.;Guimaraes,C.;Shen,S.;Li,S.;ohnstone,S.;Thibault,S.;Xu,H.;Cardozo,M.;Shen,W.;Walker,N.;Kayser,F.;Wang,Z.J.Med.Chem.2012,55,3837.(c)Onouchi,H.;Miyagawa,T.;Furuko,A.;Maeda,K.;Yashima,E.J.Am.Chem.Soc.2005,127,2960.(d)Queffelec,C.;Petit,M.;Janvier,P.;Knight,D.A.;Bujoli,B.Chem.Rev.2012,112,3777.(e)Netherton,M.R.;Fu,G.C.Org.Lett.2001,3,4295.(f)Tang,W.;Zhang,X.Chem.Rev.2003,103,3029.(g)Surry,D.S.;Buchwald,S.L.Angew.Chem.,Int.Ed.2008,47,6338.然而到目前为止通过烯丙基化反应合成有机膦化合物的报道还比较少。通过研究,我们发明了一种高效合成具有高度区域选择性的烯丙基亚磷酸二异丙酯类化合物的方法。
发明内容
本发明的目的就是为了克服上述现有技术存在的缺陷而提供一种烯丙基亚磷酸酯类化合物及其合成方法。
本发明的目的可以通过以下技术方案来实现:一种烯丙基业磷酸酯类化合物,其特征在于,该化合物的结构式如下:
其中,R任意选自苯环或者含取代基的芳基或者烷基,iPr为异丙基。
一种烯丙基亚磷酸酯类化合物的合成方法,其特征在于,该方法是在有机溶剂中,控制反应温度为25℃~85℃,以亚磷酸二异丙酯和烯丙基碳酸甲酯化合物为原料,以Pd2(dba)3与配体作用生成的钯络合物作为催化剂,反应1-12h制得烯丙基亚磷酸二异丙酯类化合物。
反应式如下:
所述的烯丙基碳酸甲酯化合物、亚磷酸二异丙酯、Pd2(dba)3、配体的摩尔比为1∶1-2∶0.01∶0.02。烯丙基碳酸甲酯化合物、亚磷酸二异丙酯、Pd2(dba)3、配体均为市售产品。
所述的亚磷酸二异丙酯的结构式为
所述的烯丙基碳酸甲酯化合物结构式为:R任意选自苯环或者含取代基的芳基或者烷基,所述的芳基是苯基或萘基;Me表示甲基;
所述的配体为光学纯配体,结构式如下:
其中PPh2表示二苯基磷。
所述的有机溶剂为甲苯、二氯甲烷、四氢呋喃或氮氮二甲基甲酰胺。
合成得到的烯丙基亚磷酸二异丙酯类化合物产品经过薄层层析、柱层析或减压蒸馏的分离。如用薄层层析、柱层析的方法,所用展开剂为非极性溶剂与极性溶剂的混合溶剂。推荐溶剂可为石油醚-二氯甲烷,石油醚-乙酸乙酯,石油醚-乙醚等混合溶剂,其体积比可以分别为:非极性溶剂:极性溶剂=1∶1。例如:石油醚/乙酸乙酯=1/1。
与现有技术相比,本发明提供了一种有效的以钯络合物作为催化剂,由烯丙基碳酸甲酯、亚磷酸二异丙酯高效合成的烯丙基亚磷酸二异丙酯类化合物的方法;提供了制备多种烯丙基亚磷酸二异丙酯类化合物的方法。该方法可适用于不同类型的烯丙基碳酸甲酯类化合物,反应条件温和,操作简便。另外反应的产率也较好(一般为65%-95%)。
具体实施方式
下面结合具体实施例对本发明进行详细说明。
实施例1
钯络合物催化的烯丙基碳酸甲酯、亚磷酸二异丙酯比例、温度和溶剂的研究,以及不同钯源、配体对反应的影响。其中X指离去图,L指配体,solvent指溶剂,T指温度。
其中DCM为二氯甲烷,Toluene为甲苯,THF为四氢呋喃DMF为氮氮二甲基甲酰胺。反应中所使用的不同的配体:Pd2(dba)3为三(二亚苄基丙酮)二钯,Pd(PPh3)4为四(三苯基膦)钯。
实施例2
钯络合物催化的烯丙基碳酸甲酯、二苯基氧磷烯丙基化反应
在一干燥的氩气保护的反应管内,依次加入Pd2(dba)3(0.002mmol)、配体(0.004mmol)甲苯(2.0mL)在25℃下反应30分钟。向反应管中加入烯丙基碳酸甲酯(0.2mmol)、亚磷酸二异丙酯(0.24mmol)85℃搅拌反应。反应结束后,减压除去溶剂后残留物薄层层析得到目标产物3(石油醚/乙酸乙酯=1∶1,v/v)。
Pl:(E)-3-苯基-烯丙基亚磷酸异丙酯
无色液体,92%收率.
1H NMR(400MHz,CDCl3)δ=7.35(d,J=7.4Hz,1H),7.31(d,J=7.3Hz,1H),7.22(t,J=7.0Hz,1H),6.51(dd,J=15.8,5.0Hz,1H),6.16(dq,J=14.8,7.4Hz,1H),4.85-4.56(m,1H),2.72(dd,J=22.2,7.4Hz,1H),1.31(t,J=6.8Hz,6H).13C NMR(100MHz,CDCl3)δ=137.0(d,J=3.3Hz),134.5(d,J=14.9Hz),128.5,127.5,126.2(d,J=2.0Hz),119.4(d,J=11.9Hz),70.5(d,J=6.8Hz),32.2(d,J=140.1Hz),24.0(dd,J=7.5Hz).31P NMR(162MHz,CDCl3)δ=24.97(s).IR(KBr):vmax(cm-1)=3015,2953,2881,1429,1191,1158,1126,1063,915,843,656,525,459.HRMS(EI)calcd for C15H23NaO3P[M+Na]+:305.1277,found:305.1277.
P2:(E)-3-((4-甲基)-苯基)-烯丙基亚磷酸异丙酯
无色液体,95%收率.
1H NMR(400MHz,CDC13)δ=7.43-7.19(m,1H),7.13(d,J=7.9Hz,1H),6.49(dd,J=15.8,5.1Hz,1H),6.12(dq,J=14.9,7.4Hz,1H),4.88-4.57(m,1H),2.72(dd,J=22.2,7.5Hz,1H),2.34(s,1H),1.32(dd,J=7.9,6.4Hz,5H).13C NMR(100MHz,CDCl3)δ=137.3(d,J=1.2Hz),134.3(d,J=15.0Hz),134.2,129.2,126.1(d,J=2.0Hz),118.2(d,J=11.9Hz),70.4(d,J=6.8Hz),32.2(d,J=140.0Hz),24.1(dd,J=6.8Hz),21.2.31P NMR(162MHz,CDCl3)δ=25.19(s).IR(KBr):vmax(cm-1)=3270,2979,2928,1384,1247,976,545,444.HRMS(EI)calcd for C16H25NaO3P[M+Na]+:319.1434,found:319.1426.
P3:(E)-3-((4-氟)-苯基)-烯丙基亚磷酸异丙酯
无色液体,71%收率.
1H NMR(400MHz,CDCl3)δ=7.41-7.23(m,1H),6.99(t,J=8.6Hz,1H),6.47(dd,J=15.8,5.0Hz,1H),6.08(dq,J=14.9,7.4Hz,1H),4.71(dh,J=12.3,6.1Hz,1H),2.71(dd,J=22.2,7.5Hz,1H),1.31(dd,J=8.8,6.3Hz,6H).13C NMR(100MHz,CDCl3)δ=162.2(d,J=145.1Hz),133.2(d,J=15Hz),133.1(d,J=3.4Hz),127.6(dd,J=10.0Hz),119.1(dd,J=14.0Hz),115.4(d,J=21.5Hz),70.5(d,J=6.8Hz),32.6(d,J=140.0Hz),24.0(dd,J=7.1Hz).19F NMR(377MHz,CDCl3)δ=-114.61(d,J=1.6Hz).31P NMR(162MHz,CDCl3)δ=24.91(s).IR(KBr):vmax(cm-1)=3038,2979,2934,1506,1390,1226,1113,982,750,500.HRMS(EI)calcd for C15H22FNaO3P[M+Na]+:323.1183,found:323.1180.
P4:(E)-3-((4-氯)-苯基)-烯丙基亚磷酸异丙酯
无色液体,65%收率.
1H NMR(400MHz,CDCl3)δ=7.27(s,1H),6.46(dd,J=15.8,5.1Hz,1H),6.29-6.05(m,1H),4.71(dq,J=12.5,6.2Hz,1H),2.71(dd,J=22.3,7.5Hz,1H),1.31(dd,J=9.5,6.2Hz,3H).13C NMR(100MHz,CDCl3)δ=135.4(d,J=3.5Hz),133.2(d,J=15.0Hz),133.1,128.7,127.3(d,J=2.0Hz),120.2(d,J=11.9Hz),70.5(d,J=6.8Hz),55.2,32.2(d,J=140.0Hz),24.0(dd,J=6.8Hz).31P NMR(162MHz,CDCl3)δ=24.65(s).IR(KBr):vmax(cm-1)=3030,2973,2926,2366,1485,1390,1244,1107,991,884,774,557.HRMS(EI)calcd forC15H22ClNaO3P[M+Na]+:339.0887,found:339.0892.
P5:(E)-3-((3-甲氧基)-苯基)-烯丙基亚磷酸异丙酯
无色液体,93%收率.
1H NMR(400MHz,CDCl3)δ=7.23(t,J=7.9Hz,1H),6.95(d,J=7.6Hz,1H), 6.89(s,1H),6.79(d,J=8.2Hz,1H),6.48(dd,J=15.8,5.1Hz,1H),6.16(dq,J=14.9,7.4Hz,1H),4.83-4.56(m,2H),3.81(s,3H),2.72(dd,J=22.3,7.5Hz,2H),1.37-1.27(m,12H).13CNMR(100MHz,CDCl3)δ=159.8,138.4(d,J=3.4Hz),134.3(d,J=14.9Hz),129.5,119.7(d,J=11.8Hz),118.9(d,J=2.0Hz),113.1,111.6(d,J=1.9Hz),70.5(d,J=6.8Hz),55.2,32.2(d,J=140.1Hz),24.0(dd,J=7.2Hz).31P NMR(162MHz,CDCl3)δ=24.93(s).IR(KBr):vmax(cm-1)=3241,2976,2923,1578,1394,1245,983,775,552.HRMS(EI)calcd forC16H25FNaO4P[M+Na]+:335.1383,found:335.1376.
P6:(E)-3-((3-氟)-苯基)-烯丙基亚磷酸异丙酯
无色液体,87%收率.
1H NMR(400MHz,CDCl3)δ=7.28(dt,J=14.0,7.1Hz,1H),7.13(d,J=7.7Hz,1H),7.06(d,J=10.1Hz,1H),6.93(t,J=8.2Hz,1H),6.49(dd,J=15.8,4.8Hz,1H),6.19(dq,J=14.8,7.4Hz,1H),4.84-4.61(m,2H),2.74(dd,J=22.3,7.5Hz,2H),1.33(t,J=7.1Hz,11H).13C NMR(100MHz,CDCl3)δ=162.2(d,J=243.7Hz),139.2(dd,J=11.1Hz),133.3(d,J=17.4Hz),129.9(d,J=8.0Hz),122.0(dd,J=4.6Hz),121.0(d,J=11.8Hz),114.2(d,J=21.1Hz),112.5(dd,J=23.5Hz),70.5(d,J=6.9Hz),32.1(d,J=141.1Hz),24.0(dd,J=6.2Hz).19F NMR(377MHz,CDCl3)δ=-113.57(s).31P NMR(162MHz,CDCl3)δ=24.54(s).IR(KBr):vmax(cm-1)=3036,2977,2926,1584,1450,1388,1248,1141,1105,986,888,772,543,525.HRMS(EI)calcd for C15H22FNaO3P[M+Na]+:323.1183,found:323.1179.
P7:(E)-3-((3-三氟甲基)-苯基)-烯丙基亚磷酸异丙酯
无色液体,65%收率.
1H NMR(400MHz,CDCl3)δ=7.58(s,1H),7.53(d,J=7.6Hz,1H),7.48(d,J=7.6Hz,1H),7.42(t,J=7.7Hz,1H),6.54(dd,J=15.8,5.0Hz,1H),6.25(dq,J=15.0,7.4Hz,1H),4.82-4.61(m,2H),2.75(dd,J=22.4,7.5Hz,2H),1.38-1.27(m,12H). 13C NMR(100MHz,CDCl3)δ=137.7(d,J=3.4Hz),133.0(d,J=14.8Hz),131.0(d,J=31.9Hz),129.2,129.0,125.4,124.0(d,J=2.6Hz),122.8(dd,J=5.8Hz),121.7(d,J=11.8Hz),70.5(d,J=6.8Hz),32.2(d,J=140.2Hz),24.0(dd,J=5.1Hz).19F NMR(377MHz,CDCl3)δ=-62.83(s).31P NMR(162MHz,CDCl3)δ=24.36(s).IR(KBr):vmax(cm-1)=3042,2982,2935,1388,1337,1251,1167,1132,989,772,700,555,507.HRMS(E1)calcd forC16H22F3NaO3P[M+Na]+:373.1151,found:373.1150.
P8:(E)-3-(2-萘基)-烯丙基亚磷酸异丙酯
白色固体,熔点68.9-70.5℃,75%收率.
1H NMR(400MHz,CDCl3)δ=7.78(t,J=7.2Hz,3H),7.69(s,1H),7.58(d,J=8.5Hz,1H),7.53-7.33(m,2H),6.66(dd,J=15.8,4.9Hz,1H),6.29(dq,J=14.9,7.4Hz,1H),4.73(dh,J=12.4,6.2Hz,2H),2.78(dd,J=22.2,7.4Hz,2H),1.32(t,J=6.8Hz,12H).13C NMR(100MHz,CDCl3)δ=134.6(d,J=14.9Hz),134.4(d,J=3.6Hz),133.6,132.9,128.2,127.9,127.7,126.3,125.9(d,J=2.7Hz),125.8,123.4(d,J=1.2Hz),119.8(d,J=11.9Hz),70.5(d,J=6.9Hz),32.4(d,J=140.0Hz),24.0(dd,J=7.3Hz).31P NMR(162MHz,CDCl3)δ=24.95(s).IR(KBr):vmax(cm-1)=3054,2974,2929,1465,1373,1251,983,882,784,555,477.HRMS(EI)calcd for C19H25NaO3P[M+Na]+:355.1434,found:355.1431.
P9:(E)-3-(2-噻吩基)-烯丙基亚磷酸异丙酯
无色液体,65%收率.
1H NMR(400MHz,CDCl3)δ=7.13(d,J=4.9Hz,1H),6.94(dd,J=9.1,4.1Hz,2H),6.63(dd,J=15.6,5.1Hz,1H),5.99(dq,J=15.2,7.5Hz,1H),4.88-4.51(m,2H), 2.68(ddd,J=22.3,7.6,0.9Hz,2H),1.31(t,J=6.2Hz,12H).13C NMR(100MHz,CDCl3)δ:142.0(d,J=4.1Hz),127.5(d,J=15.3Hz),127.3,125.2(d,J=2.8Hz),124.0(d,J=1.7Hz),119.1(d,J=12.3Hz),70.6(d,J=6.9Hz),32.2(d,J=140.0Hz),24.0(dd,J=7.4Hz).31PNMR(162MHz,CDCl3)δ=24.58(s).IR(KBr):vmax(cm-1)=2979,2925,1375,1256,991,750,545,488.HRMS(EI)calcd for C13H21NaO3PS[M+Na]+:311.0841,found:311.0841。
Claims (4)
1.一种烯丙基亚膦酸酯类化合物的合成方法,其特征在于,该方法是在有机溶剂中,控制反应温度为25℃~85℃,以亚磷酸二异丙酯和烯丙基碳酸甲酯化合物为原料,以Pd2(dba)3与配体作用生成的钯络合物作为催化剂,反应1-12h制得烯丙基亚磷酸二异丙酯类化合物;
所述的亚磷酸二异丙酯的结构式为
所述的烯丙基碳酸甲酯化合物结构式为:R任意选自苯环或者含取代基的芳基或者烷基;Me表示甲基;
所述的配体为光学纯配体,结构式如下:
其中PPh2表示二苯基膦;
所得烯丙基亚磷酸二异丙酯类化合物的结构式如下:
其中,R任意选自苯环或者含取代基的芳基或者烷基,iPr为异丙基。
2.根据权利要求1所述的一种烯丙基亚膦酸酯类化合物的合成方法,其特征在于,所述的烯丙基碳酸甲酯化合物、亚磷酸二异丙酯、Pd2(dba)3、配体的摩尔比为1:1-2:0.01:0.02。
3.根据权利要求1所述的一种烯丙基亚膦酸酯类化合物的合成方法,其特征在于,所述的有机溶剂为甲苯、二氯甲烷、四氢呋喃或氮氮二甲基甲酰胺。
4.根据权利要求1所述的一种烯丙基亚膦酸酯类化合物的合成方法,其特征在于,合成得到的烯丙基亚磷酸二异丙酯类化合物产品经过薄层层析、柱层析或减压蒸馏的分离。
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US5693826A (en) * | 1995-09-14 | 1997-12-02 | Director-General Of Agency Of Industrial Science And Technology | Process for the production of unsaturated phosphonic ester |
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Palladium-Catalyzed Hydrophosphinylation of Alkenes and Alkynes;S. Deprele等;《J. AM. CHEM. SOC.》;20020719;第124卷(第32期);第9386-9387页 * |
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