CN107226827A - 一种手性磷芴氧化物的制备方法 - Google Patents
一种手性磷芴氧化物的制备方法 Download PDFInfo
- Publication number
- CN107226827A CN107226827A CN201710247274.4A CN201710247274A CN107226827A CN 107226827 A CN107226827 A CN 107226827A CN 201710247274 A CN201710247274 A CN 201710247274A CN 107226827 A CN107226827 A CN 107226827A
- Authority
- CN
- China
- Prior art keywords
- oxide
- chiral phosphorus
- preparation
- fluorenes
- phosphorus fluorenes
- 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
- UINQVRXGBQKRSX-UHFFFAOYSA-N C1=CC=CC=2C3=CC=CC=C3CC12.[P] Chemical class C1=CC=CC=2C3=CC=CC=C3CC12.[P] UINQVRXGBQKRSX-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- -1 2 bromo phenyl diaryl phosphin oxides Chemical class 0.000 claims abstract description 16
- 239000003054 catalyst Substances 0.000 claims abstract description 6
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 5
- 150000007529 inorganic bases Chemical class 0.000 claims abstract description 5
- 239000012429 reaction media Substances 0.000 claims abstract description 4
- 239000011261 inert gas Substances 0.000 claims abstract description 3
- 238000000926 separation method Methods 0.000 claims abstract description 3
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 claims description 19
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical group [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 12
- 229910000073 phosphorus hydride Inorganic materials 0.000 claims description 9
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 8
- FYGHSUNMUKGBRK-UHFFFAOYSA-N 1,2,3-trimethylbenzene Chemical compound CC1=CC=CC(C)=C1C FYGHSUNMUKGBRK-UHFFFAOYSA-N 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims description 6
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000003446 ligand Substances 0.000 claims description 5
- 229910052763 palladium Inorganic materials 0.000 claims description 5
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 4
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 claims description 3
- 229910000024 caesium carbonate Inorganic materials 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- PBDBXAQKXCXZCJ-UHFFFAOYSA-L palladium(2+);2,2,2-trifluoroacetate Chemical compound [Pd+2].[O-]C(=O)C(F)(F)F.[O-]C(=O)C(F)(F)F PBDBXAQKXCXZCJ-UHFFFAOYSA-L 0.000 claims description 3
- 235000011056 potassium acetate Nutrition 0.000 claims description 3
- VURFVHCLMJOLKN-UHFFFAOYSA-N Diphosphine Natural products PP VURFVHCLMJOLKN-UHFFFAOYSA-N 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 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 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 150000002940 palladium Chemical class 0.000 claims description 2
- 125000004950 trifluoroalkyl group Chemical group 0.000 claims description 2
- 239000012018 catalyst precursor Substances 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000010189 synthetic method Methods 0.000 abstract description 4
- 125000001424 substituent group Chemical group 0.000 abstract description 3
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 28
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical class CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 8
- 239000007787 solid Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 5
- 238000005160 1H NMR spectroscopy Methods 0.000 description 5
- 238000004679 31P NMR spectroscopy Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000004440 column chromatography Methods 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000004128 high performance liquid chromatography Methods 0.000 description 4
- 125000006276 2-bromophenyl group Chemical group [H]C1=C([H])C(Br)=C(*)C([H])=C1[H] 0.000 description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 3
- AUONHKJOIZSQGR-UHFFFAOYSA-N oxophosphane Chemical compound P=O AUONHKJOIZSQGR-UHFFFAOYSA-N 0.000 description 3
- 0 CCCC*1[C@@](CC)SNC[C@@]1C Chemical compound CCCC*1[C@@](CC)SNC[C@@]1C 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000007306 functionalization reaction Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- AJNZWRKTWQLAJK-VGWMRTNUSA-N (2s,5s)-1-[2-[(2s,5s)-2,5-dimethylphospholan-1-yl]phenyl]-2,5-dimethylphospholane Chemical compound C[C@H]1CC[C@H](C)P1C1=CC=CC=C1P1[C@@H](C)CC[C@@H]1C AJNZWRKTWQLAJK-VGWMRTNUSA-N 0.000 description 1
- XLHOQZQNHAFORH-UHFFFAOYSA-N 1-bromo-2-diphenylphosphorylbenzene Chemical class BrC1=CC=CC=C1P(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 XLHOQZQNHAFORH-UHFFFAOYSA-N 0.000 description 1
- RIFDDCWIRXSCIL-UHFFFAOYSA-N 1-methyl-2-[(2-methylphenyl)-phenylphosphoryl]benzene Chemical compound CC1=CC=CC=C1P(=O)(C=1C(=CC=CC=1)C)C1=CC=CC=C1 RIFDDCWIRXSCIL-UHFFFAOYSA-N 0.000 description 1
- AFUDYMRCVMXUBD-UHFFFAOYSA-N 5-bromo-5-iodocyclohexa-1,3-diene Chemical class BrC1(I)CC=CC=C1 AFUDYMRCVMXUBD-UHFFFAOYSA-N 0.000 description 1
- PSXLCTPHDAEPLK-UHFFFAOYSA-N CC(C)[Mg] Chemical compound CC(C)[Mg] PSXLCTPHDAEPLK-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- VXVFHTHMLANPPL-WUKNDPDISA-N [(e)-2-diphenylphosphorylethenyl]benzene Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)(=O)\C=C\C1=CC=CC=C1 VXVFHTHMLANPPL-WUKNDPDISA-N 0.000 description 1
- 238000010725 [2+2+2] cycloaddition reaction Methods 0.000 description 1
- 238000006254 arylation reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- MUALRAIOVNYAIW-UHFFFAOYSA-N binap Chemical compound C1=CC=CC=C1P(C=1C(=C2C=CC=CC2=CC=1)C=1C2=CC=CC=C2C=CC=1P(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 MUALRAIOVNYAIW-UHFFFAOYSA-N 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- YAMQOOCGNXAQGW-UHFFFAOYSA-M magnesium;methylbenzene;bromide Chemical compound [Mg+2].[Br-].CC1=CC=CC=[C-]1 YAMQOOCGNXAQGW-UHFFFAOYSA-M 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- YCWSUKQGVSGXJO-NTUHNPAUSA-N nifuroxazide Chemical group C1=CC(O)=CC=C1C(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 YCWSUKQGVSGXJO-NTUHNPAUSA-N 0.000 description 1
- 238000010534 nucleophilic substitution reaction Methods 0.000 description 1
- 238000006384 oligomerization reaction Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 125000002524 organometallic group Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 125000004437 phosphorous atom Chemical group 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000010898 silica gel chromatography Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6568—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus atoms as the only ring hetero atoms
- C07F9/65685—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus atoms as the only ring hetero atoms the ring phosphorus atom being part of a phosphine oxide or thioxide
-
- 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
- C07B2200/07—Optical 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
本发明涉及有机化学合成领域,为解决手性磷芴氧化物的合成方法不多的问题,本发明提出了一种手性磷芴氧化物的制备方法,以2‑溴代苯基二芳基膦氧化物为原料,与催化剂前体、无机碱、助剂,在反应介质中,惰性气体保护下于100‑140℃下反应2‑24h,通过分离方法分出产物,得到手性磷芴氧化物。本方法对含有不同性质取代基的芳基膦氧化物均具有较好的适应性,可以中等产率获得系列手性磷芴氧化物。
Description
技术领域
本发明涉及有机化学合成领域,具体涉及一种催化分子内不对称碳-氢键芳基化反应合成手性磷芴氧化物的制备方法
背景技术
磷芴氧化物是一种极其有用的结构单元。作为材料,由其构成的有机π-共轭寡聚物或聚合物在光电材料领域展现出广阔的应用前景。因此,磷芴氧化物的合成方法得到了深入研究,涌现了大量的研究成果。与之形成鲜明对照的是,手性磷芴氧化物的合成方法很少报道。2006年,Widhalm等报道了通过色谱拆分的方式制备了相应的手性磷芴氧化物(Widhalm,M.;Brecker,L.;Mereiter,K.;Tetrahedron:Asymmetry 2006,17,1355.)。而手性磷芴氧化物的催化合成直到2010年才出现,Tanaka等利用铑催化的[2+2+2]环加成反应高立体选择性的合成了手性磷芴氧化物(Fukawa,N.;Osaka,T.;Noguchi,K.;Tanaka,K.Org.Lett.2010,12,1324.)。磷芴氧化物通常采用有机金属试剂的亲核取代反应来制备,但此类反应官能团相容性差。
碳-氢键是一种广泛存在于各类有机化合物的化学键。直接利用碳-氢键选择性地官能团化是有机化学家们长期追求的目标。由于碳-氢键相对稳定,活化反应条件苛刻,对烃类化合物的选择性功能化是此领域长期面临的挑战性难题。随着近年来的深入研究,已经有不少高效的催化体系被开发出来,对特定结构的底物实现了区域选择性和立体选择性的功能化。与其它构筑碳-磷键的方法相比,直接功能化化反应通过金属催化一步实现了碳-氢键活化,生成碳-碳键,避免预先功能化,降低了原料消耗,如能发展成不对称催化反应,更是大大提高了反应效率。
发明内容
为解决手性磷芴氧化物的合成方法不多的问题,本发明提出了一种手性磷芴氧化物的制备方法,本方法对含有不同性质取代基的芳基膦氧化物均具有较好的适应性,可以中等产率获得系列手性磷芴氧化物。
本发明是通过以下技术方案实现的:一种手性磷芴氧化物的制备方法,以2-溴代苯基二芳基膦氧化物为原料,与催化剂前体、无机碱、助剂,在反应介质中,惰性气体保护下于100-140℃下反应2-24h,通过分离方法分出产物,得到手性磷芴氧化物。反应式如下所示:
手性磷芴氧化物的结构式如(I)所示:
所述的2-溴代苯基二芳基膦氧化物,即磷原子上含有两个相同的芳基取代基;2-溴代苯基二芳基膦氧化物的浓度为0.1-1.0mol/L,结构式如(II)所示:
上式(I)与(II)中:R和R’分别独立选自烷基,烷氧基,芳基,卤素,三氟烷基中一种,作为优选,R和R’分别独立选自甲基,叔丁基,甲氧基,苯基,三氟甲基,氟中一种。
所述的催化剂前体为钯盐与手性含膦配体原位形成的络合物。其中,手性膦配体选自单膦、双膦化合物中一种,用量为2-溴代苯基二芳基膦氧化物摩尔量的2~10%。所述钯盐选自氯化钯,乙酸钯,三(二亚苄基丙酮)二钯,三氟乙酸钯中一种,用量为2-溴代苯基二芳基膦氧化物摩尔量的1~10%。
作为优选,手性含膦配体选自如下所示结构式中的一种:
所述无机碱选自碳酸钾,碳酸铯、乙酸钾中一种,用量为2-溴代苯基二芳基膦氧化物摩尔量的110-300%。
所述助剂选自三甲基乙酸,用量为2-溴代苯基二芳基膦氧化物摩尔量的10-50%。
所述反应介质选自甲苯、二甲苯、三甲苯、氯苯中一种。用量为使反应物全部浸入的量。
本发明以易于合成的2-溴代苯基二苯基膦氧化物为原料,经分子内的芳基偶联反应即可高效合成系列手性磷芴氧化物。本方法对含有不同性质取代基的芳基膦氧化物均具有较好的适应性,可以中等产率获得系列手性磷芴氧化物。且产物的ee值可通过重结晶进一步提高。
与现有技术相比,本发明的有益效果是:催化剂前体原位形成,操作简单;于一定温度搅拌即可完成反应,粗产品经过快速柱层析除杂后减压浓缩可得纯品,后处理方便。
具体实施方式
下面通过实施例对本发明作进一步详细说明,实施例中所用原料均可市购或采用常规方法制备。
实施例1中原料2-溴代苯基二芳基膦氧化物采用2-溴代苯基二邻甲苯基膦氧化物,通过以下常规方法合成:
向100mL Shlenk瓶中加入2-溴碘苯(10mmol,2.83g),干燥四氢呋喃30mL,冷却到-40℃,氮气保护下逐滴加入1M异丙基氯化镁-四氢呋喃溶液(10mmol,5mL)得棕红色溶液。此温度下搅拌1小时后,加入三氯化磷(10mmol,0.87mL),在该温度下继续搅拌1小时,然后自然升温并反应过夜。再次冷却至-40℃,加入邻甲苯基溴化镁(20mmol,20mL),此温度下搅拌1小时后自然升温并反应过夜。混合物加5%稀盐酸淬灭,有机相于0℃加入30%双氧水氧化,混合物经硅胶柱层析,抽干得白色固体,即2-溴代苯基二邻甲苯基膦氧化物。
1H NMR(400MHz,CDCB)δ7.67(dddd,J=12.9,5.8,4.8,3.4Hz,2H),7.48-7.37(m,4H),7.31(dd,J=7.5,4.3Hz,2H),7.26-7.14(m,4H),2.50(s,6H).
31P NMR(202MHz,CDCl3)δ35.37(s).
13C NMR(101MHz,CDCl3)δ143.45(d,J=7.9Hz),135.82(d,J=9.8Hz),134.89(d,J=7.4Hz),133.63(t,J=9.5Hz),133.14(d,J=2.2Hz),132.70(s),132.19-131.79(m),130.00(s),128.95(s),127.24(d,J=10.8Hz),126.88(d,J=4.4Hz),125.40(d,J=13.2Hz),21.92(d,J=4.1Hz).
实施例1:4-甲基-5-邻甲苯基二苯并磷芴氧化物的合成
向25mL Shlenk瓶中加入2-溴代苯基二邻甲苯基膦氧化物(1mmol,385mg),乙酸钯(0.1mmol,22.4mg),(R)-BINAP(0.2mmol,124.5mg),碳酸钾(1.3mmol,179mg),三甲基乙酸(0.3mmol,30.6mg),在氮气保护下加入二甲苯1mL,室温搅拌5分钟,于100℃搅拌12小时。快速柱层析后减压浓缩,得白色固体150mg,产率为49%。
1H NMR(400MHz,CDCl3)δ8.20(dd,J=13.7,7.6Hz,1H),7.72(d,J=7.7Hz,1H),7.57(t,J=8.6Hz,2H),7.48(t,J=7.6Hz,1H),7.43-7.32(m,2H),7.29(t,J=7.5Hz,2H),7.04(dd,J=12.1,6.0Hz,2H),2.25(s,3H),1.79(s,3H).
31P NMR(202MHz,CDCl3)δ31.93(s).
13C NMR(101MHz,CDCl3)δ142.53(s),142.26(d,J=10.5Hz),142.11-141.87(m),141.02(d,J=11.0Hz),134.31(d,J=9.5Hz),133.55(d,J=7.9Hz),133.14(d,J=2.0Hz),132.54(s),132.23(d,J=2.7Hz),131.40(t,J=11.3Hz),130.83(d,J=9.8Hz),130.24(s),129.33(t,J=11.0Hz),128.72(s),127.74(s),126.01(d,J=11.9Hz),121.31(d,J=10.0Hz),118.75(d,J=10.1Hz),20.10(d,J=4.4Hz),19.42(d,J=4.6Hz).
65%ee.Enantiomeric excess was determined by HPLC with a Chiralpak ODcolumn(hexanes∶2-propanol=70∶30,0.5mL/min,254nm);major enantiomer tr=12.3min,minor enantiomer tr=25.9min.
HRMS(ESI):m/z:[M+H]+calculated for C20H17OP:305.1090,Found:305.1094.
实施例2:2’-甲基-4-甲基-5-邻甲苯基二苯并磷芴氧化物的合成
向25mL Shlenk瓶中加入4-甲基-2-溴代苯基二邻甲苯基膦氧化物(1mmol,399mg),乙酸钯(0.05mmol,11.2mg),(S,S)-Me-DuPhos(0.1mmol,30.6mg),碳酸铯(1.1mmol,358.4mg),三甲基乙酸(0.5mmol,51mg),在氮气保护下加入三甲苯5mL,室温搅拌5分钟,置于140℃油浴中搅拌4小时。快速柱层析后减压浓缩,得白色固体162mg,产率为51%。
1H 1H NMR(400MHz,CDCl3)δ8.19(dd,J=12.6,7.4Hz,1H),7.61-7.49(m,2H),7.44(t,J=8.2Hz,1H),7.31(ddd,J=29.0,14.5,7.3Hz,3H),7.11-6.98(m,3H),2.35(s,3H),2.22(s,3H),1.76(s,3H).
31P NMR(202MHz,CDCl3)δ31.77(s).
13C NMR(101MHz,CDCl3)δ142.79(s),141.39(dd,J=21.9,9.2Hz),140.87(d,J=8.6Hz),139.97(s),133.32(d,J=9.0Hz),132.38(s),131.13(s),130.37(d,J=11.0Hz),129.70(d,J=9.4Hz),129.09(d,J=11.2Hz),128.24(d,J=10.0Hz),124.95(d,J=11.5Hz),121.03(d,J=10.1Hz),117.58(d,J=9.8Hz),20.94(s),19.08(s),18.34(s).
75%ee.Enantiomeric excess was determined by HPLC with a Chiralpak ODcolumn (hexanes∶2-propanol=70∶30,0.5mL/min,254nm);major enantiomer tr=10.3min,minor enantiomer tr=18.5min.
HRMS(ESI):m/z:[M+H]+calculated for C21H19OP:319.1246,Found:319.1260.
实施例3:2’-甲氧基-4-甲基-5-邻甲苯基二苯并磷芴氧化物的合成
向25mL Shlenk瓶中加入4-甲氧基-2-溴代苯基二邻甲苯基膦氧化物(1mmol,415mg),三氟乙酸钯(0.04mmol,33.2mg),(R,Sp)-Josiphos(0.08mmol,47.6mg),碳酸钾(2.0mmol,276mg),三甲基乙酸(0.4mmol,40.8mg),在氮气保护下加入二甲苯4mL,室温搅拌5分钟,置于120℃油浴中搅拌24小时。快速柱层析后减压浓缩,得白色固体217mg,产率为65%。
1H NMR(400MHz,CDCl3)δ8.24(dd,J=13.4,7.5Hz,1H),7.62(dd,J=8.5,3.6Hz,1H),7.47(dd,J=7.6,2.7Hz,1H),7.41-7.26(m,3H),7.06(dt,J=11.6,5.7Hz,2H),7.02-6.92(m,2H),3.72(s,3H),2.22(s,3H),1.79(s,3H).
31P NMR(202MHz,CDCl3)δ31.85(s).
13C NMR(101MHz,CDCl3)δ160.73(d,J=14.0Hz),142.60(d,J=21.9Hz),141.94(d,J=9.3Hz),141.01(d,J=11.3Hz),134.95(s),134.51(d,J=9.4Hz),133.61(s),132.29(d,J=2.8Hz),131.45(d,J=11.3Hz),130.66(s),129.69(d,J=10.0Hz),128.60(s),127.63(s),126.05(d,J=12.0Hz),122.58(d,J=11.8Hz),119.74(s),118.01(d,J=10.3Hz),113.51(d,J=11.2Hz),55.64(s),20.06(d,J=4.4Hz),19.44(d,J=4.7Hz).
33%ee.Enantiomeric excess was determined by HPLC with a Chiralpak ODcolumn(hexanes∶2-propanol=70∶30,0.5mL/min,254nm);major enantiomer tr=13.2min,minor enantiomer tr=18.8min.
HRMS(ESI):m/z:[M+H]+calculated for C21H19O2P:335.1195,Found:335.1212.
实施例4:2’-苯基-4-甲基-5-邻甲苯基二苯并磷芴氧化物的合成
向25mL Shlenk瓶中加入4-苯基-2-溴代苯基二邻甲苯基膦氧化物(1mmol,461mg),氯化钯(0.01mmol,1.8mg),(R,R)-DIOP(0.02mmol,9.97mg),乙酸钾(1.6mmol,157mg),三甲基乙酸(0.1mmol,10.2mg),在氮气保护下加入氯苯6mL,室温搅拌5分钟,置于110℃油浴中搅拌12小时。快速柱层析后减压浓缩,得白色固体140mg,产率为37%。
1H NMR(400MHz,CDCl3)δ8.21(dd,J=13.6,7.5Hz,1H),7.91(s,1H),7.64(ddd,J=15.2,7.5,5.2Hz,2H),7.58(d,J=7.3Hz,2H),7.49(ddd,J=7.6,3.1,1.3Hz,1H),7.40(dd,J=13.9,6.2Hz,3H),7.37-7.26(m,3H),7.06(dd,J=12.2,7.4Hz,2H),2.27(s,3H),1.85(s,3H).
31P NMR(202MHz,CDCl3)δ31.74(s).
13C NMR(101MHz,CDCl3)δ146.30(d,J=2.1Hz),142.93(s),142.71(s),142.41(s),142.17(d,J=6.4Hz),142.05(s),141.07(d,J=11.0Hz),140.17(s),134.36(d,J=9.7Hz),133.55(s),132.30(d,J=2.7Hz),131.51(d,J=11.4Hz),131.01(d,J=9.7Hz),129.80(d,J=10.3Hz),129.00(s),128.27(d,J=11.6Hz),127.30(s),126.09(d,J=11.9Hz),120.06(d,J=10.2Hz),118.78(d,J=10.1Hz),20.28(d,J=4.4Hz),19.49(d,J=4.7Hz).
28%ee.Enantiomeric excess was determined by HPLC with a Chiralpak ADcolumn (hexanes∶2-propanol=95∶5,1.0mL/min,254nm);major enantiomer tr=31.0min,minor enantiomer tr=58.8min.
HRMS(ESI):m/z:[M+H]+calculated for C26H21OP:381.1403,Found:381.1396。
Claims (10)
1.一种手性磷芴氧化物的制备方法,其特征在于,以2-溴代苯基二芳基膦氧化物为原料,与催化剂前体、无机碱、助剂,在反应介质中,惰性气体保护下于100-140℃下反应2-24h,通过分离方法分出产物,得到手性磷芴氧化物。
2.根据权利要求1所述的一种手性磷芴氧化物的制备方法,其特征在于,手性磷芴氧化物的结构式如(I)所示:
式中:R和R’分别独立选自烷基,烷氧基,芳基,卤素,三氟烷基中一种。
3.根据权利要求1所述的一种手性磷芴氧化物的制备方法,其特征在于,2-溴代苯基二芳基膦氧化物的浓度为0.1-1.0mol/L。
4.根据权利要求1所述的一种手性磷芴氧化物的制备方法,其特征在于,所述的催化剂前体为钯盐与手性含膦配体原位形成的络合物。
5.根据权利要求4所述的一种手性磷芴氧化物的制备方法,其特征在于,所述手性膦配体选自单膦、双膦化合物中一种,用量为2-溴代苯基二芳基膦氧化物摩尔量的2~10%。
6.根据权利要求5所述的一种手性磷芴氧化物的制备方法,其特征在于,手性含膦配体选自下述结构式中一种:
7.根据权利要求4所述的一种手性磷芴氧化物的制备方法,其特征在于,所述钯盐选自氯化钯,乙酸钯,三(二亚苄基丙酮)二钯,三氟乙酸钯中一种,用量为2-溴代苯基二芳基膦氧化物摩尔量的1~10%。
8.根据权利要求1所述的一种手性磷芴氧化物的制备方法,其特征在于,所述无机碱选自碳酸钾,碳酸铯、乙酸钾中一种,用量为2-溴代苯基二芳基膦氧化物摩尔量的110-300%。
9.根据权利要求1所述的一种手性磷芴氧化物的制备方法,其特征在于,所述助剂选自三甲基乙酸,用量为2-溴代苯基二芳基膦氧化物摩尔量的10-50%。
10.根据权利要求1所述的一种手性磷芴氧化物的制备方法,其特征在于,所述反应介质选自甲苯、二甲苯、三甲苯、氯苯中一种。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710247274.4A CN107226827A (zh) | 2017-04-16 | 2017-04-16 | 一种手性磷芴氧化物的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710247274.4A CN107226827A (zh) | 2017-04-16 | 2017-04-16 | 一种手性磷芴氧化物的制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107226827A true CN107226827A (zh) | 2017-10-03 |
Family
ID=59933632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710247274.4A Pending CN107226827A (zh) | 2017-04-16 | 2017-04-16 | 一种手性磷芴氧化物的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107226827A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111647018A (zh) * | 2020-06-04 | 2020-09-11 | 杭州师范大学 | 一种磷中心手性化合物的制备方法 |
-
2017
- 2017-04-16 CN CN201710247274.4A patent/CN107226827A/zh active Pending
Non-Patent Citations (1)
Title |
---|
YAN LIN等: ""Catalytic Synthesis of Chiral Phosphole Oxides via Desymmetric C–H Arylation of o-Bromoaryl Phosphine Oxides"", 《SYNLETT》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111647018A (zh) * | 2020-06-04 | 2020-09-11 | 杭州师范大学 | 一种磷中心手性化合物的制备方法 |
CN111647018B (zh) * | 2020-06-04 | 2023-04-07 | 杭州师范大学 | 一种磷中心手性化合物的制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4264418B2 (ja) | メタセシス反応用(予備)触媒としてのルテニウム錯体 | |
Jin et al. | Chiral catalysts for the asymmetric cycloaddition of carbon dioxide with epoxides | |
JP2004505091A (ja) | アダマンチル基を有するホスファンリガンド、その製造および接触反応におけるその使用 | |
Chen et al. | New approaches to fluorinated ligands and their application in catalysis | |
Penafiel et al. | Preparation, hydrogen bonds, and catalytic activity in metal-promoted addition of arylboronic acids to enones of a rhodium complex containing an NHC ligand with an alcohol function | |
CN102153592A (zh) | 氮杂环卡宾-钯-咪唑络合物催化芳基氯化物室温水相铃木偶联反应 | |
CN101693723A (zh) | 间三烷氧基苯基二烷基膦四氟硼酸盐及其合成和应用 | |
Zhou et al. | Manganese-catalyzed oxidative homo-coupling of aryl Grignard chlorides | |
Jumde et al. | Deoxycholic acid derived monophosphites as chiral ligands in the asymmetric Suzuki–Miyaura cross-coupling | |
Dai et al. | Palladium (II)‐Catalyzed One‐Pot Enantioselective Synthesis of Arylglycine Derivatives from Ethyl Glyoxylate, p‐Toluenesulfonyl Isocyanate and Arylboronic Acids | |
Vicente et al. | Organometallic Complexes of Palladium (II) Derived from 2, 6-Diacetylpyridine Dimethylketal | |
Samiee et al. | Cyclopalladated benzo [h] quinolinate complexes based on stabilized phosphonium-phosphine ylides: Synthesis, characterization, and application as catalyst in aqueous-phase Suzuki-Miyaura reaction | |
CN107226827A (zh) | 一种手性磷芴氧化物的制备方法 | |
Shukla et al. | Studies on the mechanism of allylic coupling reactions: a hammett analysis of the coupling of aryl silicate derivatives | |
Demir et al. | Synthesis of rhodium complexes derived from benzimidazolin-2-ylidene ligands and first used for the addition of arylboron to benzonitriles | |
CN1678395A (zh) | 新颖的镍-、钯-和铂-碳烯配合物,它们的制备和在催化反应中的用途 | |
Jung et al. | Application of tautomerism of ferrocenyl secondary phosphine oxides in Suzuki− Miyaura cross-coupling reactions | |
CN108558927B (zh) | 一种硅立体中心手性化合物及其合成方法 | |
US20200369697A1 (en) | Molybdenum oxo alkylidene compounds, methods of making the same and use thereof in metathesis reactions | |
CN104109174B (zh) | 一种联苯配体及其合成方法、及其在外消旋炔丙醇碳酸酯甲氧羰基化反应中的应用 | |
CN101298460A (zh) | 双齿亚磷酸酯配体、合成方法及其在烯烃不对称催化氢甲酰化反应中的应用 | |
Li et al. | An efficient catalytic asymmetric addition of trimethylsilyl cyanide to aldehydes at room temperature | |
CN112250709A (zh) | 一种邻位芳基取代的叔膦化合物的合成方法 | |
Arena et al. | Chiral rhodium complexes containing bidentate ligands derived from (R, R)-1, 2-diaminocyclohexane for catalytic enantioselective hydrosilylation of acetophenone | |
CN114082446A (zh) | 用于制备手性α-羟基-β-酮酸酯化合物的手性锆催化剂及其制备方法 |
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 | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171003 |