CN110183488B - 一种1-萘酚基膦氧配体的制备方法 - Google Patents
一种1-萘酚基膦氧配体的制备方法 Download PDFInfo
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- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000003446 ligand Substances 0.000 title claims abstract description 18
- AUONHKJOIZSQGR-UHFFFAOYSA-N oxophosphane Chemical compound P=O AUONHKJOIZSQGR-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 22
- 150000001875 compounds Chemical class 0.000 claims abstract description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 11
- 239000002841 Lewis acid Substances 0.000 claims abstract description 9
- 150000007517 lewis acids Chemical class 0.000 claims abstract description 9
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003960 organic solvent Substances 0.000 claims abstract description 7
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 7
- 239000011593 sulfur Substances 0.000 claims abstract description 7
- 239000003054 catalyst Substances 0.000 claims abstract description 6
- -1 phenylethynyl phosphorus oxygen derivative Chemical class 0.000 claims description 23
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical group ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 10
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 10
- 125000000217 alkyl group Chemical group 0.000 claims description 10
- 229910052736 halogen Inorganic materials 0.000 claims description 10
- 150000002367 halogens Chemical class 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 10
- 239000004246 zinc acetate Substances 0.000 claims description 10
- SAXQOYZKDFVDTH-UHFFFAOYSA-N CC1=C(C(=C(C1(C)[Rh])C)C)C Chemical compound CC1=C(C(=C(C1(C)[Rh])C)C)C SAXQOYZKDFVDTH-UHFFFAOYSA-N 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- MBAKFIZHTUAVJN-UHFFFAOYSA-I hexafluoroantimony(1-);hydron Chemical compound F.F[Sb](F)(F)(F)F MBAKFIZHTUAVJN-UHFFFAOYSA-I 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims 5
- 238000006243 chemical reaction Methods 0.000 abstract description 11
- YLHDSDWCFNQUFJ-UHFFFAOYSA-N C1(=CC=CC=C1)C#C[PH2]=O Chemical class C1(=CC=CC=C1)C#C[PH2]=O YLHDSDWCFNQUFJ-UHFFFAOYSA-N 0.000 abstract description 2
- 125000001424 substituent group Chemical group 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract description 2
- 238000010189 synthetic method Methods 0.000 abstract description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 78
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 48
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 24
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 8
- 238000005160 1H NMR spectroscopy Methods 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 239000000741 silica gel Substances 0.000 description 8
- 229910002027 silica gel Inorganic materials 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- OMPOBRRYCQHUBB-UHFFFAOYSA-N 2-diphenylphosphorylethynylbenzene Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)(=O)C#CC1=CC=CC=C1 OMPOBRRYCQHUBB-UHFFFAOYSA-N 0.000 description 7
- 238000004679 31P NMR spectroscopy Methods 0.000 description 7
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004293 19F NMR spectroscopy Methods 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000011914 asymmetric synthesis Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- OSVXSBDYLRYLIG-UHFFFAOYSA-N chlorine dioxide Inorganic materials O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical class [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- IUGYQRQAERSCNH-UHFFFAOYSA-N pivalic acid Chemical compound CC(C)(C)C(O)=O IUGYQRQAERSCNH-UHFFFAOYSA-N 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 229910001428 transition metal ion Inorganic materials 0.000 description 1
- ZMLPZCGHASSGEA-UHFFFAOYSA-M zinc trifluoromethanesulfonate Chemical compound [Zn+2].[O-]S(=O)(=O)C(F)(F)F ZMLPZCGHASSGEA-UHFFFAOYSA-M 0.000 description 1
- CITILBVTAYEWKR-UHFFFAOYSA-L zinc trifluoromethanesulfonate Substances [Zn+2].[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F CITILBVTAYEWKR-UHFFFAOYSA-L 0.000 description 1
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- 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
- C07F9/50—Organo-phosphines
- C07F9/53—Organo-phosphine oxides; Organo-phosphine thioxides
- C07F9/5325—Aromatic phosphine oxides or thioxides (P-C aromatic linkage)
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Abstract
本发明公开了一种1‑萘酚基膦氧配体的制备方法,其是将硫叶立德化合物、苯乙炔基磷氧衍生物、催化剂、路易斯酸和有机溶剂混合均匀,在氮气中于60~100℃温度下反应6~16h,得到结构式为
Description
技术领域
本发明涉及有机合成领域,特别涉及一种1-萘酚基膦氧配体的制备方法。
背景技术
有机膦的氧化物,由于其磷酰基氧原子具有孤对电子,因此有较强配位能力,能与多种金属离子形成络合物。膦氧化物也可以作为多种金属催化的均相催化反应中的配体。其广泛应用于化工工业生产过程中。例如:可从水溶液中萃取过渡金属离子,在有机发光材料中调节金属离子的激发波长,此外手性的膦氧配体与金属结合后可以作为手性路易斯酸型催化剂应用于不对称合成领域。然而,传统合成1-萘酚基膦氧配体的方法存在条件苛刻,不易处理,结构单一等问题,这些问题极大的影响了该类配体的开发和应用。
发明内容
本发明的目的在于针对现有技术的不足,提供一种1-萘酚基膦氧配体的制备方法。
本发明所采取的技术方案是:一种1-萘酚基膦氧配体的制备方法,其是将硫叶立德化合物、苯乙炔基磷氧衍生物、催化剂、路易斯酸和有机溶剂混合均匀,在氮气中于60~100℃温度下反应6~16h,得到结构式为的1-萘酚基膦氧配体成品,所述硫叶立德化合物、苯乙炔基磷氧衍生物与路易斯酸的摩尔比为1.8:1.0:0.3,所述催化剂为二(六氟锑酸)三乙腈(五甲基环戊二烯基)合铑(Ⅲ),所述硫叶立德化合物的结构式为所述苯乙炔基磷氧衍生物的结构式为其中R1为氢、卤素、烷基或甲氧基,R2为氢、卤素、烷基或甲氧基,R3为氢、卤素、烷基或甲氧基,R4为氢、卤素、烷基或甲氧基,R5为芳基,R6为氢、卤素、烷基或甲氧基。
作为上述方案的进一步改进,所述三氟甲磺酸锌、醋酸锌、特戊酸中的至少一种。具体地,本发明中基于原料与合成方法的特殊选用,采用路易斯酸作为添加剂之一,其在合成反应中主要起到促进环化的作用。
作为上述方案的进一步改进,所述有机溶剂选自甲苯、二氧六环、1,2-二氯乙烷、乙腈中的至少一种。
作为上述方案的进一步改进,所述苯乙炔基磷氧衍生物、有机溶剂的添加量比为1mol:4L。
本发明的有益效果是:本发明可获得现有合成方法中很难获得的1-萘酚基膦氧配体,其步骤简单,仅需一步即可构建1-萘酚基膦氧配体,且反应条件温和、底物适应性好、产率高,可合成多种不同取代基的1-萘酚基膦氧配体。
具体实施方式
下面结合实施例对本发明进行具体描述,以便于所属技术领域的人员对本发明的理解。有必要在此特别指出的是,实施例只是用于对本发明做进一步说明,不能理解为对本发明保护范围的限制,所属领域技术熟练人员,根据上述发明内容对本发明作出的非本质性的改进和调整,应仍属于本发明的保护范围。同时下述所提及的原料未详细说明的,均为市售产品;未详细提及的工艺步骤或制备方法为均为本领域技术人员所知晓的工艺步骤或制备方法。
实施例1
在预先烘干的装有磁子的25mL Schlenk管中,加入苯乙炔基二苯磷氧(0.1mmol),苯甲酰硫叶立德化合物(0.18mmol),6.66mg(0.008mmol,8%)[RhCp*(CH3CN)3](SbF6)2,5.5mg(0.03mmol,30%)醋酸锌,随后加入4.0mL干燥的DCE,将该反应管置于预热好的80℃油浴中,在氮气气氛中反应16h,将反应移出热源,随后加入二氯甲烷,转至圆底烧瓶中,用旋转蒸发仪除去溶剂,乙酸乙酯/二氯甲烷=1:3过硅胶柱得38.6mg目标产物,产率为92%。
该化合物的表征如下:
1H NMR(400MHz,DMSO):δ10.48(s,1H),8.24(d,J=8.2Hz,1H),7.60–7.54(m,1H),7.54–7.37(m,11H),7.20–7.12(m,2H),7.04(t,J=7.6Hz,2H),6.99–6.89(m,3H);
13C NMR(101MHz,DMSO):δ152.13(d,J=15.2Hz),136.64(d,J=5.3Hz),136.04(d,J=8.2Hz),134.39,134.07(d,J=13.1Hz),133.37,131.72,131.20,131.11,129.92,128.91,128.22(d,J=11.7Hz),127.02,126.82,126.74,126.61,126.35,125.80(d,J=2.0Hz),122.04,110.00(d,J=13.4Hz);
31P NMR(162MHz,DMSO):δ26.17.
HRMS(ESI):Calcd for C28H21O2P[M+H]+421.1352,Found:421.1352.
实施例2
在预先烘干的装有磁子的25mL Schlenk管中,加入苯乙炔基二苯磷氧(0.1mmol),4-甲基苯甲酰硫叶立德化合物(0.18mmol),6.66mg(0.008mmol,8%)[RhCp*(CH3CN)3](SbF6)2,5.5mg(0.03mmol,30%)醋酸锌,随后加入4.0mL干燥的DCE,将该反应管置于预热好的80℃油浴中,在氮气气氛中反应16h,将反应移出热源,随后加入二氯甲烷,转至圆底烧瓶中,用旋转蒸发仪除去溶剂,乙酸乙酯/二氯甲烷=1:3过硅胶柱得32.0mg目标产物,产率为74%。
该化合物的表征如下:
1H NMR(400MHz,DMSO):δ10.42(s,1H),8.14(d,J=8.5Hz,1H),7.53–7.46(m,6H),7.39(td,J=8.1,2.1Hz,5H),7.15(dd,J=10.5,4.3Hz,1H),7.03(t,J=7.6Hz,2H),6.94(s,1H),6.89(dd,J=7.3,6.1Hz,3H),2.26(s,3H).
13C NMR(101MHz,DMSO):δ152.60(d,J=15.5Hz),137.19(d,J=5.4Hz),136.74,135.94(d,J=8.3Hz),134.94,134.89,134.76,133.92,132.26,131.68,131.59,130.44,129.43,129.21,128.69(d,J=11.7Hz),127.29,127.22,125.64,124.59(d,J=2.2Hz),122.56,109.91(d,J=13.6Hz),22.04.
31P NMR(162MHz,DMSO):
δ26.32.HRMS(ESI):Calcd for C29H24O2P[M+H]+435.1508,Found 435.1506.
实施例3
在预先烘干的装有磁子的25mL Schlenk管中,加入苯乙炔基二苯磷氧(0.1mmol),4-甲氧基苯甲酰硫叶立德化合物(0.18mmol),6.66mg(0.008mmol,8%)[RhCp*(CH3CN)3](SbF6)2,5.5mg(0.03mmol,30%)醋酸锌,随后加入4.0mL干燥的DCE,将该反应管置于预热好的80℃油浴中,在氮气气氛中反应16h,将反应移出热源,随后加入二氯甲烷,转至圆底烧瓶中,用旋转蒸发仪除去溶剂,乙酸乙酯/二氯甲烷=1:3过硅胶柱得35.3mg目标产物,产率为78%。
该化合物的表征如下:
1H NMR(400MHz,DMSO):δ10.39(s,1H),8.16(d,J=9.2Hz,1H),7.50(dd,J=10.7,7.8Hz,6H),7.43–7.37(m,4H),7.25(dd,J=9.2,2.5Hz,1H),7.15(t,J=7.4Hz,1H),7.05(t,J=7.5Hz,2H),6.91(d,J=7.1Hz,2H),6.80(d,J=13.5Hz,1H),6.49(d,J=2.4Hz,1H),3.53(s,3H).
13C NMR(101MH z,DMSO):δ158.31,152.70(d,J=15.6Hz),137.28,136.15(d,J=13.5Hz),135.25(d,J=8.5Hz),134.92,133.91,132.17,131.63(d,J=9.5Hz),131.06,130.05,128.67(d,J=11.7Hz),127.30,124.44,121.58,118.67,109.00(d,J=13.5Hz),106.06,55.22.
31P NMR(162MHz,DMSO)δ26.31.
HRMS(ESI):Calcd for C29H24O3P[M+H]+451.1458,Found 451.1453.
实施例4
在预先烘干的装有磁子的25mL Schlenk管中,加入苯乙炔基二苯磷氧(0.1mmol),4-氟苯甲酰硫叶立德化合物(0.18mmol),6.66mg(0.008mmol,8%)[RhCp*(CH3CN)3](SbF6)2,5.5mg(0.03mmol,30%)醋酸锌,随后加入4.0mL干燥的DCE,将该反应管置于预热好的80℃油浴中,在氮气气氛中反应16h,将反应移出热源,随后加入二氯甲烷,转至圆底烧瓶中,用旋转蒸发仪除去溶剂,乙酸乙酯/二氯甲烷=1:3过硅胶柱得28.3mg目标产物,产率为64%。
该化合物的表征如下:
1H NMR(400MHz,DMSO):δ10.69(s,1H),8.34–8.29(m,1H),7.53–7.47(m,6H),7.44–7.37(m,4H),7.07(d,J=7.7Hz,2H),6.94–6.89(m,3H),6.77–6.72(m,1H).
13C NMR(101MHz,DMSO):δ152.13(d,J=15.2Hz),136.64(d,J=5.3Hz),136.04(d,J=8.2Hz),134.39,134.07(d,J=13.1Hz),133.37,131.72,131.20,131.11,129.92,128.91,128.22(d,J=11.7Hz),127.02,126.82,126.74,126.61,126.35,125.80(d,J=2.0Hz),122.04,110.00(d,J=13.4Hz).
31P NMR(162MHz,DMSO)δ26.20.
19F NMR(376MHz,DMSO)δ-112.35.HRMS(ESI):Calcd for C28H21FO2P[M+H]+439.1258,Found 439.1252.
实施例5
在预先烘干的装有磁子的25mL Schlenk管中,加入苯乙炔基二苯磷氧(0.1mmol),4-氯苯甲酰硫叶立德化合物(0.18mmol),6.66mg(0.008mmol,8%)[RhCp*(CH3CN)3](SbF6)2,5.5mg(0.03mmol,30%)醋酸锌,随后加入4.0mL干燥的DCE,将该反应管置于预热好的80℃油浴中,在氮气气氛中反应16h,将反应移出热源,随后加入二氯甲烷,转至圆底烧瓶中,用旋转蒸发仪除去溶剂,乙酸乙酯/二氯甲烷=1:3过硅胶柱得27.7mg目标产物,产率为61%。
该化合物的表征如下:
1H NMR(400MHz,DMSO):δ10.76(s,1H),8.25(d,J=9.0Hz,1H),7.58(dd,J=9.0,2.0Hz,1H),7.50(dd,J=12.0,7.2Hz,7H),7.42–7.40(m,3H),7.18(s,1H),7.10–7.05(m,3H),6.99(d,J=13.4Hz,1H),6.91(d,J=7.1Hz,2H).
13C NMR(101MHz,DMSO):δ152.86(d,J=15.2Hz),136.40(d,J=5.2Hz),135.54,135.32,134.49,133.47,132.51,132.23(d,J=14.6Hz),131.81,131.65,131.60,128.77(d,J=11.8Hz),127.65,127.47(d,J=4.0Hz),125.25,125.22(d,J=7.9Hz),124.64,111.20(d,J=13.3Hz).
31P NMR(162MHz,DMSO):δ26.13.
HRMS(ESI):Calcd for C28H21ClO2P[M+H]+455.0962,Found 455.0959.
实施例6
在预先烘干的装有磁子的25mL Schlenk管中,加入苯乙炔基二苯磷氧(0.1mmol),3-甲基苯甲酰硫叶立德化合物(0.18mmol),6.66mg(0.008mmol,8%)[RhCp*(CH3CN)3](SbF6)2,5.5mg(0.03mmol,30%)醋酸锌,随后加入4.0mL干燥的DCE,将该反应管置于预热好的80℃油浴中,在氮气气氛中反应16h,将反应移出热源,随后加入二氯甲烷,转至圆底烧瓶中,用旋转蒸发仪除去溶剂,乙酸乙酯/二氯甲烷=1:3过硅胶柱得39.5mg目标产物,产率为91%。
该化合物的表征如下:1H NMR(400MHz,DMSO):δ10.39(s,1H),8.02(s,1H),7.54–7.46(m,6H),7.42–7.36(m,4H),7.25(dd,J=8.8,1.5Hz,1H),7.15–7.00(m,4H),6.92(dd,J=13.7,10.3Hz,3H),2.46(s,3H).13C NMR(101MHz,DMSO):δ152.10(d,J=15.3Hz),137.27(d,J=5.3Hz),136.69,136.47,134.98,133.96,132.90(d,J=13.2Hz),132.16,131.64(d,J=9.3Hz),129.57,128.67(d,J=11.7Hz),127.19,126.84,126.47(d,J=2.1Hz),121.42,110.60(d,J=13.5Hz),21.80.HRMS(ESI):Calcd for C29H23O2P[M+H]+435.1508,Found435.1501.
实施例7
在预先烘干的装有磁子的25mL Schlenk管中,加入苯乙炔基二苯磷氧(0.1mmol),2-甲基苯甲酰硫叶立德化合物(0.18mmol),6.66mg(0.008mmol,8%)[RhCp*(CH3CN)3](SbF6)2,5.5mg(0.03mmol,30%)醋酸锌,随后加入4.0mL干燥的DCE,将该反应管置于预热好的80℃油浴中,在氮气气氛中反应16h,将反应移出热源,随后加入二氯甲烷,转至圆底烧瓶中,用旋转蒸发仪除去溶剂,乙酸乙酯/二氯甲烷=1:3过硅胶柱得13.7mg目标产物,产率为32%。
该化合物的表征如下:
1H NMR(400MHz,DMSO):10.45(s,1H),7.54–7.46(m,6H),7.41(td,J=7.5,2.9Hz,4H),7.34(dd,J=8.2,5.3Hz,1H),7.30(s,1H),7.15(t,J=7.0Hz,2H),7.03(d,J=1.1Hz,2H),6.96(d,J=8.3Hz,1H),6.88(d,J=7.1Hz,2H).
13C NMR(101MHz,DMSO):δ160.40,157.84,152.80–152.72(m),152.62,134.51,133.49,132.16,131.65(d,J=9.5Hz),131.03(d,J=9.1Hz),128.78(d,J=11.8Hz),127.49,127.34,112.64,112.56,112.35.
31P NMR(162MHz,DMSO)δ25.88.
19F NMR(376MHz,DMSO)δ-111.58.HRMS(ESI):Calcd for C28H21FO2P[M+H]+439.1258,Found 439.1252.
实施例8
在预先烘干的装有磁子的25mL Schlenk管中,加入对氟苯乙炔基二苯磷氧(0.1mmol),苯甲酰硫叶立德化合物(0.18mmol),6.66mg(0.008mmol,8%)[RhCp*(CH3CN)3](SbF6)2,5.5mg(0.03mmol,30%)醋酸锌,随后加入4.0mL干燥的DCE,将该反应管置于预热好的80℃油浴中,在氮气气氛中反应16h,将反应移出热源,随后加入二氯甲烷,转至圆底烧瓶中,用旋转蒸发仪除去溶剂,乙酸乙酯/二氯甲烷=1:3过硅胶柱得35.9mg目标产物,产率为82%。
该化合物的表征如下:
1H NMR(400MHz,DMSO):δ10.52(s,1H),8.24(d,J=8.1Hz,1H),7.61–7.38(m,12H),7.20(d,J=8.5Hz,2H),7.00–6.89(m,3H),6.85(t,J=8.9Hz,2H).
13C NMR(101MHz,DMSO):δ162.42,159.99,152.34(d,J=15.3Hz),134.89(d,J=8.1Hz),134.26,133.73(d,J=8.2Hz),133.24,131.17(dd,J=8.5,6.0Hz),129.45,128.32,128.20,127.20,126.69,126.17,122.12,113.68,113.47,109.98(d,J=13.6Hz).
31P NMR(162MHz,DMSO)δ26.14.
19F NMR(376MHz,DMSO)δ-115.42.HRMS(ESI):Calcd for C28H21FO2P[M+H]+439.1258,Found 439.1254.
上述实施例为本发明的优选实施例,凡与本发明类似的工艺及所作的等效变化,均应属于本发明的保护范畴。
Claims (1)
1.一种1-萘酚基膦氧配体的制备方法,其特征在于:将硫叶立德化合物、苯乙炔基磷氧衍生物、催化剂、路易斯酸和有机溶剂混合均匀,在氮气中于60~100℃温度下反应6~16h,得到结构式为的1-萘酚基膦氧配体成品,所述硫叶立德化合物、苯乙炔基磷氧衍生物与路易斯酸的摩尔比为1.8:1.0:0.3,所述苯乙炔基磷氧衍生物、有机溶剂的添加量比为1mol:4L,所述催化剂为二(六氟锑酸)三乙腈(五甲基环戊二烯基)合铑(Ⅲ),所述硫叶立德化合物的结构式为所述苯乙炔基磷氧衍生物的结构式为所述路易斯酸为醋酸锌;所述有机溶剂为1,2-二氯乙烷,其中R1为氢、卤素、烷基或甲氧基,R2为氢、卤素、烷基或甲氧基,R3为氢、卤素、烷基或甲氧基,R4为氢、卤素、烷基或甲氧基,R5为芳基,R6为氢、卤素、烷基或甲氧基。
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