CN112321639A - 一种芳基二苯基膦衍生物的制备方法 - Google Patents
一种芳基二苯基膦衍生物的制备方法 Download PDFInfo
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- -1 aryl diphenylphosphine derivative Chemical class 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 14
- GPAYUJZHTULNBE-UHFFFAOYSA-N diphenylphosphine Chemical compound C=1C=CC=CC=1PC1=CC=CC=C1 GPAYUJZHTULNBE-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002904 solvent Substances 0.000 claims abstract description 12
- 150000004768 bromobenzenes Chemical class 0.000 claims abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 16
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 12
- QARVLSVVCXYDNA-UHFFFAOYSA-N bromobenzene Chemical compound BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 claims description 10
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 8
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 5
- DWCGNRKFLRLWCJ-UHFFFAOYSA-N 2-bromo-1,4-dimethoxybenzene Chemical compound COC1=CC=C(OC)C(Br)=C1 DWCGNRKFLRLWCJ-UHFFFAOYSA-N 0.000 claims description 4
- QXISTPDUYKNPLU-UHFFFAOYSA-N 2-bromo-1,4-dimethylbenzene Chemical compound CC1=CC=C(C)C(Br)=C1 QXISTPDUYKNPLU-UHFFFAOYSA-N 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 2
- BUOWTUULDKULFI-UHFFFAOYSA-N 1-bromo-3,5-ditert-butylbenzene Chemical compound CC(C)(C)C1=CC(Br)=CC(C(C)(C)C)=C1 BUOWTUULDKULFI-UHFFFAOYSA-N 0.000 claims description 2
- AITNMTXHTIIIBB-UHFFFAOYSA-N 1-bromo-4-fluorobenzene Chemical compound FC1=CC=C(Br)C=C1 AITNMTXHTIIIBB-UHFFFAOYSA-N 0.000 claims description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 5
- 229910000510 noble metal Inorganic materials 0.000 abstract description 2
- 150000002894 organic compounds Chemical class 0.000 abstract description 2
- 238000011031 large-scale manufacturing process Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 35
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 21
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 18
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 14
- 239000000047 product Substances 0.000 description 14
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 12
- 238000004440 column chromatography Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 239000003480 eluent Substances 0.000 description 7
- 239000003208 petroleum Substances 0.000 description 7
- 238000003786 synthesis reaction Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000012043 crude product Substances 0.000 description 6
- 238000004817 gas chromatography Methods 0.000 description 6
- 239000012074 organic phase Substances 0.000 description 6
- 238000002390 rotary evaporation Methods 0.000 description 6
- 238000005481 NMR spectroscopy Methods 0.000 description 5
- ILNDSSCEZZFNGE-UHFFFAOYSA-N m-di-t-butylbenzene Natural products CC(C)(C)C1=CC=CC(C(C)(C)C)=C1 ILNDSSCEZZFNGE-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 3
- RSQXKVWKJVUZDG-UHFFFAOYSA-N 9-bromophenanthrene Chemical compound C1=CC=C2C(Br)=CC3=CC=CC=C3C2=C1 RSQXKVWKJVUZDG-UHFFFAOYSA-N 0.000 description 2
- 239000007818 Grignard reagent Substances 0.000 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- PGKDTBQFJZUJSC-UHFFFAOYSA-N bromobenzene hydrofluoride Chemical compound F.BrC1=CC=CC=C1 PGKDTBQFJZUJSC-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000004795 grignard reagents Chemical class 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 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 2
- GFQRMCPSMHEHAC-UHFFFAOYSA-N (2,5-dimethoxyphenyl)-diphenylphosphane Chemical compound COC1=CC=C(OC)C(P(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 GFQRMCPSMHEHAC-UHFFFAOYSA-N 0.000 description 1
- CDADESLJJOEBDP-UHFFFAOYSA-N (2,5-dimethylphenyl)-diphenylphosphane Chemical compound CC1=CC=C(C)C(P(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 CDADESLJJOEBDP-UHFFFAOYSA-N 0.000 description 1
- DNEFXIIQHUTOSX-UHFFFAOYSA-N (4-fluorophenyl)-diphenylphosphane Chemical compound C1=CC(F)=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 DNEFXIIQHUTOSX-UHFFFAOYSA-N 0.000 description 1
- DLKQHBOKULLWDQ-UHFFFAOYSA-N 1-bromonaphthalene Chemical compound C1=CC=C2C(Br)=CC=CC2=C1 DLKQHBOKULLWDQ-UHFFFAOYSA-N 0.000 description 1
- RGJXEFKYMBTAOM-UHFFFAOYSA-N 1-bromophenanthrene Chemical compound C1=CC2=CC=CC=C2C2=C1C(Br)=CC=C2 RGJXEFKYMBTAOM-UHFFFAOYSA-N 0.000 description 1
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 150000001499 aryl bromides Chemical class 0.000 description 1
- 150000001502 aryl halides Chemical class 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000012039 electrophile Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013110 organic ligand Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- UFVXQIPXWIYHHT-UHFFFAOYSA-N phenanthren-9-yl(diphenyl)phosphane Chemical compound C1=CC=CC=C1P(C=1C2=CC=CC=C2C2=CC=CC=C2C=1)C1=CC=CC=C1 UFVXQIPXWIYHHT-UHFFFAOYSA-N 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- 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
- C07F9/50—Organo-phosphines
- C07F9/5022—Aromatic phosphines (P-C aromatic linkage)
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- 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
- C07F9/50—Organo-phosphines
- C07F9/505—Preparation; Separation; Purification; Stabilisation
- C07F9/5063—Preparation; Separation; Purification; Stabilisation from compounds having the structure P-H or P-Heteroatom, in which one or more of such bonds are converted into P-C bonds
- C07F9/5072—Preparation; Separation; Purification; Stabilisation from compounds having the structure P-H or P-Heteroatom, in which one or more of such bonds are converted into P-C bonds from starting materials having the structure P-H
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- 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
- C07F9/50—Organo-phosphines
- C07F9/505—Preparation; Separation; Purification; Stabilisation
- C07F9/5095—Separation; Purification; Stabilisation
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Abstract
本发明属有机化合物的制备技术领域,公开了一种芳基二苯基膦衍生物的制备方法。该方法将溴苯衍生物、二苯基膦、KOH加入溶剂中,氮气保护100~130℃下反应,获得芳基二苯基膦衍生物。本发明以KOH为催化剂,无需使用贵金属催化剂,降低了成本,绿色环保;而且操作简单,安全性高,产率高,适合规模化生产。
Description
技术领域
本发明属于有机化合物的制备技术领域,涉及一种二苯基膦衍生物的制备方法,具体涉及一种芳基二苯基膦的制备方法。
背景技术
芳基二苯基膦衍生物是一种新型化工材料,也是具有高附加值的精细化学品,由于其独特的结构、性能和广泛的用途而广泛应用于医药、农药、催化、阻燃材料、缓蚀材料、光学材料等领域。目前国内外芳基二苯基膦衍生物的合成方法,一般有两种:
第一种方法是采用溴代芳烃与金属镁制成格氏试剂,或者通过卤代芳烃与丁基锂反应制成芳基锂试剂,再同二苯基膦卤代物反应制备。该方法需要比较苛刻的反应条件,存在有机锂或者有机格氏试剂活性高、操作不安全等缺点,后处理需要水洗,产生大量废水,对环境污染大(Catalysis Today, 2015, 247, 47-54)。第二种方法是利用不同类型的亲电试剂和磷源通过过渡金属催化合成芳基膦化合物。该方法使用的磷源需要自己制备,催化剂价格昂贵甚至需要特殊的配体参与反应,且经常存在亲电试剂自身偶联等诸多副反应,造成产品不易纯化(Chem. Commun., 2017, 53, 956–958; J. Org. Chem., 2019, 84,1500−1509)。因此开发反应条件温和、适用范围广泛、产率高、成本低、符合绿色化学要求的芳基二苯基膦衍生物制备方法非常重要。
发明内容
本发明的发明目的是提供一种制备芳基二苯基膦衍生物的方法,实现高产率、低成本、易于工业化。
为达到上述发明目的,本发明采用的技术方案如下:
所述制备芳基二苯基膦衍生物的方法,包括以下步骤:将溴苯衍生物、二苯基膦、KOH加入溶剂中,氮气保护100~130℃下反应,获得芳基二苯基膦衍生物;按摩尔比计,溴苯衍生物∶二苯基膦∶KOH为1∶(1~2)∶(3~5)。
所述溴苯衍生物如下列化学结构式所示:
其中R1为H、甲基、甲氧基,R2为H、甲基、叔丁基,R3为H、F、甲基、甲氧基,R4为H、甲基、甲氧基、叔丁基;
所述溶剂选自甲醇、乙醇、乙腈、1 ,2-二氯乙烷、DMF、DMSO中的一种;
所述芳基二苯基膦衍生物的化学结构通式如下所示:
优选的技术方案中,溴苯衍生物选自溴苯、对氟溴苯、2,5-二甲基溴苯、2,5-二甲氧基溴苯、3,5-二叔丁基溴苯其中一种。
上述技术方案中,利用气相色谱仪跟踪反应直至完全结束。
优选的技术方案中,所述溶剂为DMF、DMSO。
优选的技术方案中,反应温度为100-110℃。
优选的技术方案中,反应结束后对产物进行柱层析分离提纯处理;柱层析时以二氯甲烷/石油醚为洗脱剂。
上述技术方案的反应过程可表示为:
由于上述技术方案的运用,本发明与现有技术相比具有下列优点:
1.本发明采用KOH做为催化剂,便宜易得,无需使用贵金属催化剂和其他有机配体,原料利用率高,产物收率高,减少了废弃物的产生,大大降低了成本。
2.本发明公开的制备方法适用范围广,对于2位、3位、4位、5位有取代基的溴苯都可以发生反应,将二苯基膦基团导入苯环。此外,该制备方法还适用于溴萘、溴菲等多环芳烃。
3.本发明公开的制备方法反应条件温和、反应操作和后处理过程简单,反应收率可达80%以上,甚至达到90%的收率且绿色环保,安全性高,便于工业化生产。
4.本发明可能的机理为:在KOH的催化作用下,苯环先脱去一分子HBr,生成高活性中间体苯炔,接着发生加成反应而引入官能团,得到目标化合物。
具体实施方式
下面结合实施例对本发明作进一步描述:
实施例一:三苯基膦的合成
溴苯1.57g(10mmol),二苯基膦2.79g(15mmol)加入到30ml无氧DMF中,随后加入KOH2.24g(40mmol),在氮气保护下110℃反应。气相色谱跟踪反应进度,至溴苯反应完全,反应结束。反应液用乙酸乙酯与水萃取,取有机相旋蒸除去溶剂,粗产物经柱层析分离(洗脱剂为二氯甲烷:石油醚=1:10体积比),得到目标产物(产率90%)。产物的分析数据如下:1 HNMR (400 MHz , CDCl3): δ 7.39~7.28 (m, 15H) ppm。
实施例二:(4-氟苯基)二苯基膦的合成
对氟溴苯1.75g(10mmol),二苯基膦1.86g(10mmol)加入到30ml无氧DMF中,随后加入KOH2.24g(40mmol),在氮气保护下105℃反应。气相色谱跟踪反应进度,至对氟溴苯反应完全,反应结束。反应液用乙酸乙酯与水萃取,取有机相旋蒸除去溶剂,粗产物经柱层析分离(洗脱剂为二氯甲烷:石油醚=1:10体积比),得到目标产物(产率80%)。产物的分析数据如下:1 H NMR (400 MHz , CDCl3):δ 7.35-7.24 (m, 12 H), 7.07-7.01 (m, 2 H) ppm。
实施例三:(2,5-二甲基苯基)二苯基膦的合成
2,5-二甲基溴苯1.85g(10mmol),二苯基膦2.79g(15mmol)加入到30ml无氧DMF中,随后加入KOH1.68g(30mmol),在氮气保护下100℃反应。气相色谱跟踪反应进度,至2,5-二甲基溴苯反应完全,反应结束。反应液用乙酸乙酯与水萃取,取有机相旋蒸除去溶剂,粗产物经柱层析分离(洗脱剂为二氯甲烷:石油醚=1:10体积比),得到目标产物(产率83%)。产物的分析数据如下:1 H NMR (400 MHz , CDCl3):δ 7.35~7.23 (m, 10 H), 7.11~7.05 (m,2 H), 6.56 (dd, J=4.9, 1.7 Hz, 1 H), 2.32 (s, 3 H), 2.16 (s, 3 H) ppm。
实施例四:(2,5-二甲氧基苯基)二苯基膦的合成
2,5-二甲氧基溴苯2.17g(10mmol),二苯基膦3.72g(20mmol)加入到30ml无氧DMF中,随后加入KOH2.24g(40mmol),在氮气保护下105℃反应。气相色谱跟踪反应进度,至2,5二甲氧基溴苯反应完全,反应结束。反应液用乙酸乙酯与水萃取,取有机相旋蒸除去溶剂,粗产物经柱层析分离(洗脱剂为二氯甲烷:石油醚=1:10体积比),得到目标产物(产率88%)。产物的分析数据如下:1 H NMR (400 MHz , CDCl3):δ 7.48-7.41 (m, 6H), 7.16-7.10 (m,4H), 7.01 (dd, J = 2.4, 8.4 Hz, 2H), 6.88 (m, 1H), 3.84 (s, 3H), 3.80 (s, 3H)ppm。
实施例五:(3,5-二叔丁基苯基)二苯基膦的合成
3,5-二叔丁基溴苯2.69g(10mmol),二苯基膦2.79g(15mmol)加入到30ml无氧DMSO中,随后加入KOH2.52g(45mmol),在氮气保护下100℃反应。气相色谱跟踪反应进度,至3,5-二叔丁基溴苯反应完全,反应结束。反应液用乙酸乙酯与水萃取,取有机相旋蒸除去溶剂,粗产物经柱层析分离(洗脱剂为二氯甲烷:石油醚=1:10体积比),得到目标产物(产率82%)。产物的分析数据如下:1 H NMR (400 MHz , CDCl3):δ 7.41 (t, J = 1.8 Hz, 1H), 7.37– 7.28 (m, 10H), 7.17 (dd, J = 8.5, 1.8 Hz, 2H), 1.26 (s, 18H) ppm。
实施例六:(9-菲基)二苯基膦的合成
9-溴菲2.57g(10mmol),二苯基膦3.72g(20mmol)加入到30ml无氧DMF中,随后加入KOH2.8g(50mmol),在氮气保护下110℃反应。气相色谱跟踪反应进度,至9-溴菲反应完全,反应结束。反应液用乙酸乙酯与水萃取,取有机相旋蒸除去溶剂,粗产物经柱层析分离(洗脱剂为二氯甲烷:石油醚=1:10体积比),得到目标产物(产率86%)。产物的分析数据如下:1H NMR (400 MHz , CDCl3):δ 8.64 (d, J = 8.4 Hz, 1H), 8.59 (d, J = 8.4 Hz, 1H),8.37 (dd, J = 4.8, 8.0 Hz, 1H), 7.54 (q, J = 7.2 Hz, 3H), 7.47-7.40 (m, 2H),7.31-7.25 (m, 10H), 7.17 (d, J = 5.6 Hz, 1H) ppm。
Claims (3)
2.根据权利要求1所述制备芳基二苯基膦衍生物的方法,其特征在于:所述溴苯衍生物选自溴苯、对氟溴苯、2,5-二甲基溴苯、2,5-二甲氧基溴苯、3,5-二叔丁基溴苯其中一种。
3.根据权利要求1或2所述制备芳基二苯基膦衍生物的方法,其特征在于:按摩尔比计,溴苯衍生物∶二苯基膦∶KOH用量为1∶(1~2)∶(3~5)。
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