CN111171067A - 一种吲哚型或苯胺型硼酸酯的制备方法 - Google Patents
一种吲哚型或苯胺型硼酸酯的制备方法 Download PDFInfo
- Publication number
- CN111171067A CN111171067A CN202010189604.0A CN202010189604A CN111171067A CN 111171067 A CN111171067 A CN 111171067A CN 202010189604 A CN202010189604 A CN 202010189604A CN 111171067 A CN111171067 A CN 111171067A
- Authority
- CN
- China
- Prior art keywords
- indole
- aniline
- formula
- type
- raw material
- 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.)
- Withdrawn
Links
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 title claims abstract description 42
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 title claims abstract description 22
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- JNFRNXKCODJPMC-UHFFFAOYSA-N aniline;boric acid Chemical compound OB(O)O.NC1=CC=CC=C1 JNFRNXKCODJPMC-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 21
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052796 boron Inorganic materials 0.000 claims abstract description 10
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003960 organic solvent Substances 0.000 claims abstract description 5
- 239000011261 inert gas Substances 0.000 claims abstract description 4
- 230000035484 reaction time Effects 0.000 claims abstract description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 108
- IVDFJHOHABJVEH-UHFFFAOYSA-N pinacol Chemical compound CC(C)(O)C(C)(C)O IVDFJHOHABJVEH-UHFFFAOYSA-N 0.000 claims description 42
- ILAHWRKJUDSMFH-UHFFFAOYSA-N boron tribromide Chemical group BrB(Br)Br ILAHWRKJUDSMFH-UHFFFAOYSA-N 0.000 claims description 38
- -1 methoxy, benzyloxy, methyl Chemical group 0.000 claims description 23
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 21
- 239000002904 solvent Substances 0.000 claims description 21
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 17
- 150000001875 compounds Chemical class 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 13
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 6
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 claims description 6
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 5
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 4
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 claims description 4
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 3
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims description 3
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 claims description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 2
- 125000004185 ester group Chemical group 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 125000005504 styryl group Chemical group 0.000 claims description 2
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 claims description 2
- 229930192474 thiophene Natural products 0.000 claims description 2
- 239000007858 starting material Substances 0.000 claims 6
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000010977 unit operation Methods 0.000 abstract description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 64
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 46
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 32
- 229910052786 argon Inorganic materials 0.000 description 32
- 238000003756 stirring Methods 0.000 description 32
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 31
- 239000000243 solution Substances 0.000 description 23
- 238000003786 synthesis reaction Methods 0.000 description 20
- 230000015572 biosynthetic process Effects 0.000 description 18
- 238000001035 drying Methods 0.000 description 17
- 238000001704 evaporation Methods 0.000 description 16
- 239000003208 petroleum Substances 0.000 description 16
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 15
- 238000005160 1H NMR spectroscopy Methods 0.000 description 15
- 239000000047 product Substances 0.000 description 15
- 238000010791 quenching Methods 0.000 description 15
- 230000000171 quenching effect Effects 0.000 description 15
- 239000007787 solid Substances 0.000 description 10
- 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
- 238000010898 silica gel chromatography Methods 0.000 description 7
- 238000010828 elution Methods 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000004327 boric acid Substances 0.000 description 3
- BJSUVRXJMSTXAL-UHFFFAOYSA-N boric acid;1h-indole Chemical group OB(O)O.C1=CC=C2NC=CC2=C1 BJSUVRXJMSTXAL-UHFFFAOYSA-N 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- UFUASNAHBMBJIX-UHFFFAOYSA-N propan-1-one Chemical compound CC[C]=O UFUASNAHBMBJIX-UHFFFAOYSA-N 0.000 description 3
- 238000001291 vacuum drying Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- DTRSVKLNWUNCQE-UHFFFAOYSA-N 1-indol-1-yl-2,2-dimethylpropan-1-one Chemical compound C1=CC=C2N(C(=O)C(C)(C)C)C=CC2=C1 DTRSVKLNWUNCQE-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000005271 boronizing Methods 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 150000002475 indoles Chemical class 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229930014626 natural product Natural products 0.000 description 2
- NZHASZHHLNTTAC-UHFFFAOYSA-N 1-(1-benzylindol-3-yl)-2,2-dimethylpropan-1-one Chemical compound C12=CC=CC=C2C(C(=O)C(C)(C)C)=CN1CC1=CC=CC=C1 NZHASZHHLNTTAC-UHFFFAOYSA-N 0.000 description 1
- VNFDWGPTVLIUMS-UHFFFAOYSA-N 1-(1h-indol-3-yl)-2,2-dimethylpropan-1-one Chemical compound C1=CC=C2C(C(=O)C(C)(C)C)=CNC2=C1 VNFDWGPTVLIUMS-UHFFFAOYSA-N 0.000 description 1
- LWJNWXYSLBGWDU-UHFFFAOYSA-N 2,2-dimethyl-n-phenylpropanamide Chemical compound CC(C)(C)C(=O)NC1=CC=CC=C1 LWJNWXYSLBGWDU-UHFFFAOYSA-N 0.000 description 1
- YQTCQNIPQMJNTI-UHFFFAOYSA-N 2,2-dimethylpropan-1-one Chemical group CC(C)(C)[C]=O YQTCQNIPQMJNTI-UHFFFAOYSA-N 0.000 description 1
- QAXZRSICOHKXML-UHFFFAOYSA-N 7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1h-indole Chemical compound O1C(C)(C)C(C)(C)OB1C1=CC=CC2=C1NC=C2 QAXZRSICOHKXML-UHFFFAOYSA-N 0.000 description 1
- YDKUOWRHLFBQTJ-UHFFFAOYSA-N C(C(C)(C)C)(=O)N1C=CC2=CC(=CC=C12)C Chemical compound C(C(C)(C)C)(=O)N1C=CC2=CC(=CC=C12)C YDKUOWRHLFBQTJ-UHFFFAOYSA-N 0.000 description 1
- TUCSLJFSOTXKRX-UHFFFAOYSA-N C1=CC=C2N(C(=O)C(C)(C)C)C=CC2=C1Br Chemical compound C1=CC=C2N(C(=O)C(C)(C)C)C=CC2=C1Br TUCSLJFSOTXKRX-UHFFFAOYSA-N 0.000 description 1
- HERJQAGMYSBJTD-UHFFFAOYSA-N FC1=CC=C2C=CN(C2=C1)C(C(C)(C)C)=O Chemical compound FC1=CC=C2C=CN(C2=C1)C(C(C)(C)C)=O HERJQAGMYSBJTD-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000006069 Suzuki reaction reaction Methods 0.000 description 1
- 150000001448 anilines Chemical class 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical group 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- XIPFMBOWZXULIA-UHFFFAOYSA-N pivalamide Chemical compound CC(C)(C)C(N)=O XIPFMBOWZXULIA-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000000758 substrate Substances 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
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/02—Boron compounds
- C07F5/025—Boronic and borinic acid compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Indole Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
本发明公开了一种吲哚型或苯胺型硼酸酯的制备方法,包括将吲哚型原料或苯胺型原料在惰性气体的保护下,于有机溶剂中,与三卤化硼反应,得到吲哚型或苯胺型硼酸酯。该合成路线未见文献报道,且原材料价廉易得;单元操作简单,反应时间短,设备要求低,适合快速大量地构建吲哚、苯胺类硼酸酯。
Description
技术领域
本发明属于化学合成领域,具体涉及一种吲哚型或苯胺型硼酸酯的制备方法。
背景技术
各类硼酯中间体因Suzuki交叉偶联反应用途的广泛性、极强的底物适应性及官能团耐受性,常用于众多天然产物与有机材料合成反应,同时也因其可很方便的为目标化合物增加新的官能团而被药物研发者所广泛使用。不同位置取代的吲哚类硼酸酯一直是吲哚类天然产物合成中的重要砌块,目前该类硼酸酯化合物的合成往往需要在反应位点进行预先的活化,进而在金属的参与下与各类硼化试剂反应。在此类硼化过程中存在步骤冗长、催化剂昂贵、后处理困难、易残留金属、产率低、选择性差等问题。这些问题极大的影响了该类硼酸酯的开发与应用。
发明内容
针对上述问题,本发明提供了一种新的吲哚型或苯胺型硼酸酯的制备方法,该方法步骤简单,反应条件温和,产率高,选择性好,适用于快速大量构建该类化合物。
本发明解决该技术问题所采取的技术方案是:
一种吲哚型或苯胺型硼酸酯的制备方法,包括如下步骤:
将吲哚型原料或苯胺型原料在惰性气体的保护下,于有机溶剂中,与三卤化硼反应,得到所述吲哚型或苯胺型硼酸酯;
所述吲哚型原料为式I化合物或式II化合物;
所述苯胺型原料为式III化合物;
其中,R1~R5、R7~R14分别独立地选自氢、甲氧基、苄氧基、甲基、苯基、酯基、氟、氯、溴、碘、三氟甲基、氧三氟甲基、硝基、氰基或磺酰基、苯乙烯基、苯乙炔基、噻吩或呋喃中的一种;R6独立地选自氢,甲基,苄基或1(4-甲苯磺酰基)中的一种。
以式I化合物为原料,反应产物为7号位硼酸酯取代吲哚及其衍生物,以式II化合物为原料,反应产物为4号位硼酸酯取代吲哚及其衍生物,以式III化合物为原料,反应产物为2 号位硼酸酯取代苯胺及其衍生物。
特戊酰基为导向基团;当R6不为氢时,R6为保护基团,反应的产率高于R6为氢的反应。
优选的,R6为1(4-甲苯磺酰基)。
所述反应的温度为0~50℃,优选23~28℃。
所述三卤化硼为三溴化硼或三氯化硼,优选三溴化硼。
优选的,所述三卤化硼的浓度为1mol/L。
所述的有机溶剂为二氯甲烷、甲苯、二氯乙烷或氯仿中的一种或多种的混合;优选的溶剂为二氯甲烷。使用二氯甲烷作为溶剂的反应体系,其产率更高。
优选的,所述反应的时间为1~9小时。
所述的惰性气体为氩气或氮气。
所述的三卤化硼与所述吲哚型原料或所述苯胺型原料的摩尔比为1~3:1。
优选的,所述的制备方法还包括反应结束后用含有频哪醇的碱的溶液处理的步骤。用含有频哪醇的碱的溶液处理可猝灭反应。
所述频哪醇与所述吲哚型原料或所述苯胺型原料的摩尔比为1~3:1。
所述碱为吡啶、碳酸钾、三甲胺、二异丙基乙胺或三乙胺中的一种。对于式I化合物,当采用碳酸钾猝灭反应时,可同步脱除导向基团。
所述的碱与所述吲哚型原料或所述苯胺型原料的摩尔比为5~10:1。
所述碱的溶液的溶剂为二氯甲烷或水中的一种或两种的混合;优选的溶剂为二氯甲烷。
上述制备方法的部分化学反应方程式如下:
其中,X表示卤素。
本发明提供了一种新的吲哚型或苯胺型硼酸酯的制备方法,该合成路线原材料价廉易得,单元操作简单,设备要求低,适合快速该类硼酸酯。
本发明的附加方面和优点将在下面的描述中部分给出,部分将从下面的描述中变得明显,或通过本发明的实践了解到。
具体实施方式
以下是本发明的具体实施例,对本发明的技术方案作进一步的描述,但本发明并不限于此实施例。
实施例1
2,2-Dimethyl-1-(7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indol-1-yl)propan-1-one (结构式)的合成:
25mLSchlenk管中,加入1-(1H-indol-1-yl)-2,2-dimethylpropan-1-one 40.2mg(0.2mmol),置换氩气三次,氩气保护下加入二氯甲烷1mL,三溴化硼0.22mmol。0℃搅拌2小时,用含0.2mmol频哪醇和1mmol吡啶的1毫升二氯甲烷溶液淬灭,再搅拌1小时,减压蒸除溶剂,经200-300目硅胶层析柱分离,石油醚:乙酸乙酯=20:1洗脱,真空干燥后得产品51.6mg白色固体,收率78%。
1H NMR(400MHz,Chloroform-d)δ7.60(d,J=3.9Hz,1H),7.48(dd,J=7.7,1.3Hz,1H), 7.41(dd,J=7.3,1.3Hz,1H),7.23(d,J=7.5Hz,1H),6.58(d,J=3.9Hz,1H),1.47(s,9H),1.41 (s,12H);13C NMR(101MHz,Chloroform-d)δ177.3,138.0,129.5,128.0,124.5,124.0,121.0, 110.1,83.0,40.6,28.6,25.5;
实施例2
1-(4-Bromo-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indol-1-yl)-2,2-dimethylprpan -1-one(结构式)的合成:
25mLSchlenk管中,加入1-(4-bromo-1H-indol-1-yl)-2,2-dimethylpropan-1-one 56.0mg(0.2mmol),置换氩气三次,氩气保护下加入二氯甲烷1mL,三溴化硼0.22mmol。 23℃搅拌1小时,用含0.3mmol频哪醇和2mmol吡啶的2毫升二氯甲烷溶液淬灭,再搅拌1 小时,减压蒸除溶剂,经200-300目硅胶层析柱分离,石油醚:乙酸乙酯=20:1洗脱,真空干燥后得产品68.5mg白色固体,收率85%。
1H NMR(400MHz,Chloroform-d)δ7.71(d,J=4.0Hz,1H),7.44(d,J=7.8Hz,1H),7.29 (d,J=7.8Hz,1H),6.71(d,J=3.9Hz,1H),1.50(s,9H),1.43(s,12H);13C NMR(101MHz, Chloroform-d)δ177.5,138.3,130.5,126.8,125.2,115.3,109.5,83.3,40.8,28.5,25.5;.
实施例3
25mLSchlenk管中,加入1-(1H-indol-1-yl)-2,2-dimethylpropan-1-one 1.0g(5mmol),置换氩气三次,氩气保护下加入二氯甲烷2mL,三溴化硼5.1mmol。25℃搅拌2小时,用含5mmol频哪醇的0.5毫升二氯甲烷溶液和含50mmol饱和碳酸钾的水溶液一同淬灭,再搅拌1小时,干燥减压蒸除溶剂,经200-300目硅胶层析柱分离,石油醚:乙酸乙酯=20:1洗脱,真空干燥后得产品732mg白色固体,收率60%。1H NMR(400MHz,Chloroform-d)δ9.18(brs,1H),7.70(dt,J=7.8,1.0Hz,1H),7.58(dd,J=7.0,1.2Hz,1H),7.20 (dd,J=3.2,2.3Hz,1H),7.06(dd,J=7.9,7.0Hz,1H),6.48(dd,J=3.2,2.1Hz,1H),1.32(s, 12H);13C NMR(101MHz,Chloroform-d)δ140.9,129.2,126.8,124.2,124.1,119.2,101.9,83.8, 25.0;
实施例4
2,2-Dimethyl-1-(5-methyl-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indol-1-yl)prop an-1-one(结构式)的合成
25mLSchlenk管中,加入2,2-dimethyl-1-(5-methyl-1H-indol-1-yl)propan-1-one 43.0mg(0.2mmol),置换氩气三次,氩气保护下加入二氯甲烷1mL,三溴化硼0.22mmol。28℃搅拌5小时,用含0.2mmol频哪醇和1mmol吡啶的1毫升二氯甲烷溶液淬灭,再搅拌1小时,减压蒸除溶剂,经200-300目硅胶层析柱分离,石油醚:乙酸乙酯=20:1洗脱,真空干燥后得产品52.9mg白色固体,收率78.0%。1H NMR(400MHz,Chloroform-d)δ7.60(d,J=3.9Hz,1H),7.31–7.27(m,1H),7.24(d,J=1.8Hz,1H),6.54(d,J =3.9Hz,1H),2.42(s,3H),1.50(s,9H),1.45(s,12H);13C NMR(101MHz,Chloroform-d)δ177.0,136.2,133.3,130.6,128.31,124.5,121.1,109.8,82.9,40.5,28.6,25.6,21.3;
实施例5
1-(6-Fluoro-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indol-1-yl)-2,2-dimethylpropan-1- one(结构式)的合成
25mLSchlenk管中,加入1-(6-fluoro-1H-indol-1-yl)-2,2-dimethylpropan-1-one 44.1mg(0.2mmol),置换氩气三次,氩气保护下加入二氯甲烷1mL,三溴化硼0.22mmol。 25℃搅拌2小时,用含0.2mmol频哪醇和1mmol二异丙基乙胺的1毫升二氯甲烷溶液淬灭,再搅拌1小时,减压蒸除溶剂,经200-300目硅胶层析柱分离,石油醚:乙酸乙酯=20:1洗脱,真空干燥后得产品53.2mg白色固体,收率77.0%。1H NMR(500MHz,Chloroform-d)δ7.62 (d,J=3.9Hz,1H),7.42(dd,J=8.4,5.5Hz,1H),6.99(t,J=8.8Hz,1H),6.58(d,J=3.9Hz,1H), 1.49(s,9H),1.46(s,12H);13C NMR(101MHz,Chloroform-d)δ177.3,164.6(d,J=237.8Hz), 138.2(d,J=14.2Hz),124.7(d,J=4.1Hz),124.5,121.7(d,J=10.5Hz),112.1(d,J=27.2Hz), 109.7,83.5,40.6,28.5,25.7;19FNMR(376MHz,Chloroform-d)δ-108.93;
实施例6
(E)-2,2-Dimethyl-1-(4-styryl-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indol-1-yl)propan -1-one(结构式)的合成
25mLSchlenk管中,加入(E)-2,2-dimethyl-1-(4-styryl-1H-indol-1-yl)propan-1-one 55.8mg(0.2mmol),置换氩气三次,氩气保护下加入二氯甲烷1mL,三溴化硼0.22mmol。 25℃搅拌2小时,用含0.2mmol频哪醇和1mmol吡啶的1毫升二氯甲烷溶液淬灭,再搅拌1 小时,减压蒸除溶剂,经200-300目硅胶层析柱分离,石油醚:乙酸乙酯=20:1洗脱,真空干燥后得产品67.1mg白色固体,收率78.0%。1H NMR(400MHz,Chloroform-d)δ7.75(d,J= 4.0Hz,1H),7.65–7.60(m,3H),7.55–7.40(m,4H),7.36–7.28(m,2H),6.97(d,J=4.0Hz,1H), 1.58(s,9H),1.51(s,12H);13C NMR(101MHz,Chloroform-d)δ177.4,138.5,137.4,130.0, 129.8,128.6,127.6,126.5,125.5,124.6,120.6,108.7,82.9,40.7,28.5,25.5;
实施例7
2,2-dimethyl-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-indol-3-yl)propan- 1-one(结构式)的合成:
25mLSchlenk管中,加入2,2-dimethyl-1-(1-tosyl-1H-indol-3-yl)propan-1-one 71.2mg(0.2mmol),置换氩气三次,氩气保护下加入二氯甲烷1mL,三溴化硼0.22mmol。25℃搅拌9小时,用含0.2mmol频哪醇和1mmol三甲胺的1毫升二氯甲烷溶液淬灭,再搅拌1小时,减压蒸除溶剂,经200-300目硅胶层析柱分离,石油醚:乙酸乙酯=20:1洗脱,真空干燥后得产品84.5mg油状物,收率88%。
1H NMR(400MHz,Chloroform-d)δ8.19(s,1H),7.94(dd,J=8.3,1.1Hz,1H),7.75–7.71 (m,2H),7.46(dd,J=7.1,1.1Hz,1H),7.33(dd,J=8.4,7.2Hz,1H),7.24–7.20(m,2H),2.34(s, 3H),1.42(d,J=6.6Hz,21H).;13C NMR(101MHz,Chloroform-d)δ202.6,145.7,134.4,133.5, 130.9,130.0,129.6,129.3,126.8,125.0,118.8,113.78,83.7,44.2,28.1,25.4,21.5;
实施例8
1-(1-benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indol-3-yl)-2,2-dimethylpropan-1- one(结构式)的合成:
25mLSchlenk管中,加入1-(1-benzyl-1H-indol-3-yl)-2,2-dimethylpropan-1-one 58.4mg(0.2mmol),置换氩气三次,氩气保护下加入二氯甲烷1mL,三溴化硼0.6mmol。50℃搅拌9小时,用含0.42mmol频哪醇和1mmol三乙胺的1毫升二氯甲烷溶液淬灭,再搅拌1小时,减压蒸除溶剂,经200-300目硅胶层析柱分离,石油醚:乙酸乙酯=20:1洗脱,真空干燥后得产品29.4mg油状物,收率34%。
1H NMR(400MHz,Chloroform-d)δ7.80(s,1H),7.39(dd,J=4.5,3.5Hz,1H),7.30–7.25(m, 3H),7.24–7.18(m,2H),7.05(dd,J=7.5,2.1Hz,2H),5.36(s,2H),1.49(s,12H),1.40(s,9H);13C NMR(101MHz,Chloroform-d)δ201.3,136.2,135.1,132.8,130.0,128.9,127.9,127.2, 126.5,123.1,113.4,110.2,83.2,50.6,43.5,28.8,25.7;
实施例9
25mLSchlenk管中,加入1-(1H-indol-3-yl)-2,2-dimethylpropan-1-one 40.4mg(0.2mmol),置换氩气三次,氩气保护下加入二氯甲烷1mL,三溴化硼0.6mmol。 25℃搅拌9小时,用含0.42mmol频哪醇和1mmol三乙胺的1毫升二氯甲烷溶液淬灭,再搅拌1小时,减压蒸除溶剂,经200-300目硅胶层析柱分离,石油醚:乙酸乙酯=20:1洗脱,真空干燥后得产品30.4mg油状物,收率48%。
实施例10
1-(6-Iodo-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-indol-3-yl)-2,2-dimethyl propan-1-one(结构式)的合成:
25mLSchlenk管中,加入1-(6-iodo-1-tosyl-1H-indol-3-yl)-2,2-dimethylpropan-1-one 96.4mg(0.2mmol),置换氩气三次,氩气保护下加入二氯甲烷1mL,三溴化硼0.22mmol。25℃搅拌9小时,用含0.2mmol频哪醇和1mmol三乙胺的1毫升二氯甲烷溶液淬灭,再搅拌9小时,减压蒸除溶剂,经200-300目硅胶层析柱分离,石油醚:乙酸乙酯=20:1洗脱,真空干燥后得产品65.9mg油状物,收率55%。1H NMR(400MHz, Chloroform-d)δ8.32(d,J=1.5Hz,1H),8.08(s,1H),7.75–7.68(m,3H),7.28–7.24(m,2H), 2.38(s,3H),1.42(s,12H),1.39(s,9H).13C NMR(101MHz,Chloroform-d)δ202.3,146.1,138.0, 134.4,134.21,130.3,129.4,126.8,122.6,118.6,90.4,84.0,44.3,28.1,25.5,21.6;
实施例11
1-(7-Methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-indol-3-yl)-2,2-dimethyl propan-1-one(结构式)的合成
25mLSchlenk管中,加入1-(7-methoxy-1-tosyl-1H-indol-3-yl)-2,2-dimethylpropan-1-one 77.2mg(0.2mmol),置换氩气三次,氩气保护下加入二氯甲烷1mL,三溴化硼0.22mmol。25℃搅拌9小时,用含0.2mmol频哪醇和1mmol三乙胺的1毫升二氯甲烷溶液淬灭,再搅拌1小时,减压蒸除溶剂,经200-300目硅胶层析柱分离,石油醚:乙酸乙酯=20:1洗脱,真空干燥后得产品86.5mg油状物,收率85.0%。1H NMR(400MHz, Chloroform-d)δ8.45(s,1H),7.65(d,J=8.4Hz,2H),7.39(d,J=8.0Hz,1H),7.30–7.22(m, 2H),6.69(d,J=8.0Hz,1H),3.63(s,3H),2.39(s,3H),1.45(s,9H),1.41(s,12H);13C NMR(101 MHz,Chloroform-d)δ202.8,147.8,144.7,136.5,133.9,131.5,131.2,129.5,127.2,124.0,117.5, 107.3,96.0,83.5,55.2,44.3,28.2,25.4,21.6;
实施例12
2,2-Dimethyl-1-(5-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-indol-3-yl)pr opan-1-one(结构式)的合成
25mLSchlenk管中,加入2,2-dimethyl-1-(5-phenyl-1-tosyl-1H-indol-3-yl)propan-1-one 86.4mg(0.2mmol),置换氩气三次,氩气保护下加入二氯甲烷1mL,三溴化硼0.22mmol。25℃搅拌9小时,用含0.2mmol频哪醇和1mmol三乙胺的1 毫升二氯甲烷溶液淬灭,再搅拌9小时,减压蒸除溶剂,经200-300目硅胶层析柱分离,石油醚:乙酸乙酯=20:1洗脱,真空干燥后得产品79.9mg油状物,收率71.0%。1H NMR(400MHz, Chloroform-d)δ8.30(s,1H),7.91(d,J=8.5Hz,1H),7.74(d,J=8.4Hz,2H),7.40–7.35(m, 2H),7.34–7.31(m,3H),7.25(d,J=7.9Hz,2H),7.20(d,J=8.5Hz,1H),2.38(s,3H),1.42(s, 9H),1.11(s,12H);13C NMR(101MHz,Chloroform-d)δ201.9,145.8,144.7,143.2,134.4,132.7, 130.9,130.2,130.1,127.5,127.3,126.8,126.8,118.2,112.7,83.6,44.0,28.5,26.2,21.6;
实施例13
25mLSchlenk管中,加入N-phenylpivalamide35.4mg(0.2mmol),置换氩气三次,氩气保护下加入二氯乙烷1mL,三溴化硼0.2mmol。25℃搅拌1小时,用含0.2mmol频哪醇1毫升二氯甲烷溶液和含有1mmol的碳酸钾饱和水溶液一同淬灭,再搅拌1小时,干燥减压蒸除溶剂,经200-300目硅胶层析柱分离,石油醚:乙酸乙酯=20:1洗脱,真空干燥后得产品54.5mg白色固体,收率90%。1H NMR(500MHz,Chloroform-d)δ9.54(brs,1H),8.59 –8.54(m,1H),7.77(dd,J=7.4,1.6Hz,1H),7.48–7.41(m,1H),7.07–7.03(m,1H),1.38(s,12H),1.33(s,9H);13C NMR(126MHz,Chloroform-d)δ177.1,145.1,136.2,132.8,122.6,119.1, 84.3,40.1,27.6,24.9;
实施例14
25mLSchlenk管中,加入N-([1,1'-biphenyl]-2-yl)pivalamid50.8mg (0.2mmol),置换氩气三次,氩气保护下加入甲苯1mL,三溴化硼0.22mmol。25℃搅拌1 小时,用含0.2mmol频哪醇1毫升二氯甲烷溶液和含有1mmol碳酸钾的饱和水溶液一同淬灭,再搅拌1小时,干燥减压蒸除溶剂,经200-300目硅胶层析柱分离,石油醚:乙酸乙酯=20:1 洗脱,真空干燥后得产品62.9mg白色固体,收率83%。1H NMR(400MHz,Chloroform-d)δ8.52(brs,1H),7.69–7.65(m,1H),7.50(t,J=7.3Hz,2H),7.45–7.39(m,1H),7.34–7.26(m, 3H),7.18(dd,J=7.5,1.5Hz,1H),1.34(s,12H),1.18(s,9H);13C NMR(101MHz, Chloroform-d)δ177.1,137.6,133.6,132.9,129.3,129.6,129.0,128.7,128.1,126.2,80.7,38.6, 26.6,26.1;
实施例15
25mLSchlenk管中,加入ethyl 2-(4-pivalamidophenyl)acetate52.8mg(0.2 mmol),置换氩气三次,氩气保护下加入二氯甲烷1mL,三氯化硼0.22mmol。25℃搅拌1 小时,用含0.2mmol频哪醇1毫升二氯甲烷溶液和含有1mmol的碳酸钾饱和水溶液一同淬灭,再搅拌1小时,干燥减压蒸除溶剂,经200-300目硅胶层析柱分离,石油醚:乙酸乙酯=5:1 洗脱,真空干燥后得产品56.2mg白色固体,收率72.1%。1H NMR(400MHz,Chloroform-d) δ9.52(s,1H),8.53(d,J=8.6Hz,1H),7.66(d,J=2.3Hz,1H),7.37(dd,J=8.6,2.4Hz,1H), 4.13(q,J=7.1Hz,2H),3.56(s,2H),1.37(s,12H),1.31(s,9H),1.23(t,J=7.1Hz,3H);13C NMR (101MHz,Chloroform-d)δ177.1,171.7,144.1,136.9,133.7,128.2,119.3,84.4,60.8,40.6,40.1, 27.6,24.9,14.2;
实施例16
25mLSchlenk管中,加入N-(4-(phenylethynyl)phenyl)pivalamide 55.6mg(0.2mmol),置换氩气三次,氩气保护下加入氯仿1mL,三溴化硼0.22mmol。25℃搅拌1小时,用含0.6mmol频哪醇1毫升二氯甲烷溶液和含有1mmol碳酸钾饱和水溶液一同淬灭,再搅拌1小时,干燥减压蒸除溶剂,经200-300目硅胶层析柱分离,石油醚:乙酸乙酯=5:1洗脱,真空干燥后得产品41.9mg白色固体,收率52.2%。1H NMR(400MHz, Chloroform-d)δ9.60(brs,1H),8.60(d,J=8.7Hz,1H),7.97(d,J=2.1Hz,1H),7.61(dd,J=8.7, 2.2Hz,1H),7.53–7.49(m,2H),7.37–7.27(m,3H),1.39(s,12H),1.34(s,9H);13C NMR(101 MHz,Chloroform-d)δ177.2,144.8,139.6,135.8,131.4,128.3,127.9,123.5,119.0,117.4,89.3, 88.7,84.6,40.2,27.5,24.9。
Claims (10)
1.一种吲哚型或苯胺型硼酸酯的制备方法,其特征在于,包括如下步骤:
将吲哚型原料或苯胺型原料在惰性气体的保护下,于有机溶剂中,与三卤化硼反应,得到所述吲哚型或苯胺型硼酸酯;
所述吲哚型原料为式I化合物或式II化合物;
所述苯胺型原料为式III化合物;
其中,R1~R5、R7~R14分别独立地选自氢、甲氧基、苄氧基、甲基、苯基、酯基、氟、氯、溴、碘、三氟甲基、氧三氟甲基、硝基、氰基或磺酰基、苯乙烯基、苯乙炔基、噻吩或呋喃中的一种;R6独立地选自氢,甲基,苄基或1(4-甲苯磺酰基)中的一种;优选的,R6为1(4-甲苯磺酰基)。
2.根据权利要求1所述的制备方法,其特征在于,所述反应的温度为0~50℃,优选23~28℃。
3.根据权利要求1所述的制备方法,其特征在于,所述三卤化硼为三溴化硼或三氯化;优选三溴化硼。
4.根据权利要求1所述的制备方法,其特征在于,所述的有机溶剂为二氯甲烷、甲苯、二氯乙烷或氯仿中的一种或多种的混合;优选的溶剂为二氯甲烷。
5.根据权利要求1所述的制备方法,其特征在于,所述反应的时间为1~9小时。
6.根据权利要求1所述的制备方法,其特征在于,所述的三卤化硼与所述吲哚型原料或所述苯胺型原料的摩尔比为1~3:1。
7.根据权利要求1所述的制备方法,其特征在于,所述的制备方法还包括反应结束后用含有频哪醇的碱的溶液处理的步骤。
8.根据权利要求7所述的制备方法,其特征在于,所述频哪醇与所述吲哚型原料或所述苯胺型原料的摩尔比为1~3:1。
9.根据权利要求7所述的制备方法,其特征在于,所述碱为吡啶、碳酸钾,三甲胺、二异丙基乙胺或三乙胺中的一种;优选的,所述碱为碳酸钾。
10.根据权利要求7所述的制备方法,其特征在于,所述的碱与所述吲哚型原料或所述苯胺型原料的摩尔比为5~10:1。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010189604.0A CN111171067A (zh) | 2020-03-18 | 2020-03-18 | 一种吲哚型或苯胺型硼酸酯的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010189604.0A CN111171067A (zh) | 2020-03-18 | 2020-03-18 | 一种吲哚型或苯胺型硼酸酯的制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111171067A true CN111171067A (zh) | 2020-05-19 |
Family
ID=70647158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010189604.0A Withdrawn CN111171067A (zh) | 2020-03-18 | 2020-03-18 | 一种吲哚型或苯胺型硼酸酯的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111171067A (zh) |
-
2020
- 2020-03-18 CN CN202010189604.0A patent/CN111171067A/zh not_active Withdrawn
Non-Patent Citations (2)
Title |
---|
JIAHANG LV等: "Metal-free directed sp2-C–H borylation", 《NATURE》 * |
SAQIB A. IQBAL等: "Acyl-Directed ortho-Borylation of Anilines and C7 Borylation of Indoles using just BBr3", 《ANGEW. CHEM.》 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110204486B (zh) | 一种喹啉衍生物的合成方法 | |
CN108409625B (zh) | 一种2-吡咯烷酮类化合物的制备方法 | |
Fukuda et al. | Directed C-7 lithiation of 1-(2, 2-diethylbutanoyl) indoles | |
CN108997215B (zh) | 一种1,2,3,4-四氢异喹啉衍生物的制备方法 | |
CN108329285B (zh) | 一种合成2,3-二氢苯并呋喃类化合物的方法 | |
CN112209915A (zh) | 一种空气氧化n-吡啶吲哚啉类化合物的方法 | |
CN109438317B (zh) | 一种氮-烷基(氘代烷基)芳杂环和烷基(氘代烷基)芳基醚类化合物的制备方法 | |
CN111233617A (zh) | 一种1-碘代炔烃类化合物的合成方法 | |
CN108586519A (zh) | 一种有机硅烷或有机锗烷衍生物的制备方法 | |
CN109651271B (zh) | 一种3-叔丁基-n-甲基喹喔啉-2(1h)-酮化合物的合成方法 | |
CN111171067A (zh) | 一种吲哚型或苯胺型硼酸酯的制备方法 | |
CN114573512B (zh) | 一种合成c2-二氟烷基苯并咪唑衍生物的方法 | |
Nishida et al. | Enantioselective radical cyclization controlled by a chiral aluminium reagent | |
CN105693632A (zh) | 一种多取代喹喔啉衍生物的制备方法 | |
KR20200050946A (ko) | 보호 l-카르노신 유도체, l-카르노신, 및 결정성 l-카르노신 아연착체의 제조 방법 | |
CN110981790B (zh) | 一种1,4-二氢吡啶类衍生物及其合成方法 | |
CN109988113B (zh) | 一种[60]富勒烯四氢喹啉衍生物的合成方法 | |
CN109912640B (zh) | 一种2-吡咯烷酮类化合物的制备方法 | |
CN108586457B (zh) | 一种基于氮原子α位氢迁移策略的吲哚碳环去芳香化合成方法 | |
CN113754544B (zh) | 一种多取代(e)-三氟甲基烯烃的制备方法 | |
CN114805127B (zh) | 一种2-三氟甲基-1-四氢萘酮化合物的制备方法 | |
Groenendaal et al. | Synthesis of α-monobrominated Pyrrole Derivatives | |
JPS58198498A (ja) | O−アセチルグルコピラノシル−l−アスコルビン酸誘導体の製造法 | |
KR101006737B1 (ko) | 구리 촉매를 이용한 2-술포닐이미노인돌린 제조방법 | |
CN115181051B (zh) | 一种含吲哚骨架的亚砜化合物的制备方法 |
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 | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200519 |
|
WW01 | Invention patent application withdrawn after publication |