CN111471065A - 一种金属催化末端烯烃1,1-芳基硼化的方法 - Google Patents
一种金属催化末端烯烃1,1-芳基硼化的方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 150000001336 alkenes Chemical group 0.000 title claims abstract description 26
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- 239000003446 ligand Substances 0.000 claims abstract description 19
- 150000001502 aryl halides Chemical group 0.000 claims abstract description 15
- 239000003960 organic solvent Substances 0.000 claims abstract description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 9
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical class OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000004440 column chromatography Methods 0.000 claims abstract description 8
- 239000003054 catalyst Substances 0.000 claims abstract description 7
- IPWKHHSGDUIRAH-UHFFFAOYSA-N bis(pinacolato)diboron Chemical compound O1C(C)(C)C(C)(C)OB1B1OC(C)(C)C(C)(C)O1 IPWKHHSGDUIRAH-UHFFFAOYSA-N 0.000 claims abstract description 5
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 18
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 11
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 9
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 6
- 229910000077 silane Inorganic materials 0.000 claims description 6
- -1 N-methyl fluoride Chemical compound 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- FYGHSUNMUKGBRK-UHFFFAOYSA-N 1,2,3-trimethylbenzene Chemical compound CC1=CC=CC(C)=C1C FYGHSUNMUKGBRK-UHFFFAOYSA-N 0.000 claims description 4
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- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 4
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- 150000004756 silanes Chemical class 0.000 claims description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 4
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 3
- 125000003545 alkoxy group Chemical group 0.000 claims description 3
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- LZDKZFUFMNSQCJ-UHFFFAOYSA-N 1,2-diethoxyethane Chemical compound CCOCCOCC LZDKZFUFMNSQCJ-UHFFFAOYSA-N 0.000 claims description 2
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 claims description 2
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- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 2
- 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
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical class [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 2
- CUJRVFIICFDLGR-UHFFFAOYSA-N acetylacetonate Chemical compound CC(=O)[CH-]C(C)=O CUJRVFIICFDLGR-UHFFFAOYSA-N 0.000 claims description 2
- 150000001450 anions Chemical class 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
- 150000001768 cations Chemical class 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 238000002425 crystallisation Methods 0.000 claims description 2
- 230000008025 crystallization Effects 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 229910052740 iodine Inorganic materials 0.000 claims description 2
- 239000011630 iodine Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 125000000612 phthaloyl group Chemical group C(C=1C(C(=O)*)=CC=CC1)(=O)* 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 2
- 125000003107 substituted aryl group Chemical group 0.000 claims description 2
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 claims description 2
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 2
- 229930192474 thiophene Natural products 0.000 claims description 2
- 239000003643 water by type Substances 0.000 claims description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims 3
- BMIBJCFFZPYJHF-UHFFFAOYSA-N 2-methoxy-5-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine Chemical compound COC1=NC=C(C)C=C1B1OC(C)(C)C(C)(C)O1 BMIBJCFFZPYJHF-UHFFFAOYSA-N 0.000 claims 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims 1
- 235000019445 benzyl alcohol Nutrition 0.000 claims 1
- VBXDEEVJTYBRJJ-UHFFFAOYSA-N diboronic acid Chemical compound OBOBO VBXDEEVJTYBRJJ-UHFFFAOYSA-N 0.000 claims 1
- 150000002170 ethers Chemical class 0.000 claims 1
- 229960003750 ethyl chloride Drugs 0.000 claims 1
- 239000008096 xylene Substances 0.000 claims 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 229910052796 boron Inorganic materials 0.000 abstract 1
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 20
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 16
- 239000000243 solution Substances 0.000 description 11
- 239000002904 solvent Substances 0.000 description 9
- 229910052786 argon Inorganic materials 0.000 description 8
- UNXISIRQWPTTSN-UHFFFAOYSA-N boron;2,3-dimethylbutane-2,3-diol Chemical compound [B].[B].CC(C)(O)C(C)(C)O UNXISIRQWPTTSN-UHFFFAOYSA-N 0.000 description 8
- OCMNCWNTDDVHFK-UHFFFAOYSA-L dichloronickel;1,2-dimethoxyethane Chemical compound Cl[Ni]Cl.COCCOC OCMNCWNTDDVHFK-UHFFFAOYSA-L 0.000 description 8
- JILPJDVXYVTZDQ-UHFFFAOYSA-N lithium methoxide Chemical compound [Li+].[O-]C JILPJDVXYVTZDQ-UHFFFAOYSA-N 0.000 description 8
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 7
- 238000005160 1H NMR spectroscopy Methods 0.000 description 7
- 238000004607 11B NMR spectroscopy Methods 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 239000007810 chemical reaction solvent Substances 0.000 description 4
- 239000012230 colorless oil Substances 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- LDLDYFCCDKENPD-UHFFFAOYSA-N ethenylcyclohexane Chemical group C=CC1CCCCC1 LDLDYFCCDKENPD-UHFFFAOYSA-N 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- IVDFJHOHABJVEH-UHFFFAOYSA-N pinacol Chemical compound CC(C)(O)C(C)(C)O IVDFJHOHABJVEH-UHFFFAOYSA-N 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
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- DLKQHBOKULLWDQ-UHFFFAOYSA-N 1-bromonaphthalene Chemical compound C1=CC=C2C(Br)=CC=CC2=C1 DLKQHBOKULLWDQ-UHFFFAOYSA-N 0.000 description 1
- GYZOIIIWBFUCDF-UHFFFAOYSA-N B(O)O.OC(C)(C)C(C)(C)O.B(O)O Chemical compound B(O)O.OC(C)(C)C(C)(C)O.B(O)O GYZOIIIWBFUCDF-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- YCOXTKKNXUZSKD-UHFFFAOYSA-N as-o-xylenol Natural products CC1=CC=C(O)C=C1C YCOXTKKNXUZSKD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
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- SNHMUERNLJLMHN-UHFFFAOYSA-N iodobenzene Chemical compound IC1=CC=CC=C1 SNHMUERNLJLMHN-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- FHYUCVWDMABHHH-UHFFFAOYSA-N toluene;1,2-xylene Chemical group CC1=CC=CC=C1.CC1=CC=CC=C1C FHYUCVWDMABHHH-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/48—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by oxidation reactions with formation of hydroxy groups
-
- 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
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Abstract
本发明公开了一种金属催化末端烯烃1,1‑芳基硼化的方法,在金属镍类催化剂NiA、配体和碱的作用下,将末端烯烃、芳基卤代物ArX和联硼酸频哪醇酯溶于有机溶剂中并进行反应,经柱层析分离纯化得到上述结构的1,1‑芳基硼类化合物。本发明方法可高效合成上述结构的1,1‑芳基硼类化合物,具有优秀的区域选择性和对映选择性,且产物中含有硼基团,可应用于将硼进行转化,产生各种的苄醇类化合物。
Description
技术领域
本发明属于有机合成领域,具体涉及一种金属催化末端烯烃1,1-芳基硼化的方法及应用。
背景技术
有机硼化合物在制药、材料和有机合成领域有着广泛的应用[a)R.Smoum,A.Rubinstein,V.M.Dembitsky,M.Srebnik,Chem.Rev.2012,112,4156-4220;b)D. B.Diaz,A.K.Yudin,Nat.Chem.2017,9,731-742]。
烯烃的碳硼化反应是一种合成烷基硼酸酯化合物的简单有效方法[a)S.Jin,O.V.Larionov,Chem 2018,4,1194-1207;b)Z.Liu,Y.Gao,T.Zeng,K.M.Engle,DOI:10.1002/ijch.201900087]。
而对于烯烃的1,1-芳基硼化反应,目前仅有少数几例报道[a)H.M.Nelson,B.D.Williams,J.Miro, F.D.Toste,J.Am.Chem.Soc.2015,137,3213-3216;b)A.M.Bergmann,S.K.Dorn,K.B.Smith,K.M. Logan,M.K.Brown,Angew.Chem.Int.Ed.2019,58,1719-1723]。
因此,一种更为可行的思路是研究寻找一种金属催化非活化末端烯烃来制备1,1-芳基硼类化合物 的高效方法。
发明内容
本发明的目的之一在于提供一种金属催化末端烯烃1,1-芳基硼化的方法,该方法操作简便,原料 便宜易得,底物官能团兼容性好,具有良好的区域选择性及对映选择性。
本发明实现上述目的之一采用以下技术方案:
一种金属催化末端烯烃1,1-芳基硼化的方法,包括以下步骤:在惰性气体中,将金属镍类催化剂NiA、 配体、碱和联硼酸频哪醇酯溶于干燥的有机溶剂中,然后加入末端烯烃R1CHCH2和芳基卤代物ArX, 得到反应混合物,随后将上述反应混合物密封并从惰性气体中取出,反应完全后,减压浓缩除去有机 溶剂,再经柱层析分离纯化得到目标产物1,1-芳基硼类化合物
所述的配体为如下的任一种:
所述方法合成路线如下:
优选地,所述末端烯烃中R1为未取代或取代的长链烷基基团,所述取代的长链烷基基团的取代 基为卤素、噻吩、呋喃、吡啶、吡咯、苯并吡咯、咔唑、邻苯二甲酰基、磺酰基、烷氧基、取代的芳 基、烷基的一种或几种,或芳基取代的酯类、醚类、硅烷,烷基取代的硅烷,烷氧基取代的硅烷中的 任一种;所述芳基卤代物中X为原子氯、溴或碘中的一种或几种。
优选地,金属镍类催化剂NiA:配体:碱:末端烯烃:芳基卤代物ArX:联硼酸频哪醇酯:有机 溶剂的用量比为摩尔:摩尔:摩尔:摩尔:摩尔:摩尔:体积mL=0.05:0.05:1.5:1:1.5:1.5:4。
优选地,所述的金属镍类催化剂NiA中,A为Cl–、I–、[CH3COO]–、[CF3COO]–、[acac]–、Cl– 带1个乙二醇二甲醚、[NO3]–带4个结晶水中的任一种。
优选地,所述的碱,其阳离子为Li+、Na+、K+、Mg2+和Cs+中的任一种,阴离子为F–、[CO3]2–、 [HCO3]–、[PO4]3–、[HPO4]2–、[H2PO4]–、[OH]–、[CH3COO]–、[CF3COO]–、[OMe]–和[OtBu]–中的任一 种。
优选地,所述的有机溶剂为甲醇、乙醇、异丙醇、四氢呋喃、2-甲基四氢呋喃、1,4-二氧六环、 乙醚、甲基叔丁基醚、乙二醇二甲醚、乙二醇二乙醚、N-甲基吡咯烷酮、N,N-二甲基甲酰胺、N,N- 二甲基乙酰胺、二甲基亚砜、二氯甲烷、1,2-二氯乙烷、氯仿、四氯化碳、苯、甲苯、二甲苯、三甲 苯、氯苯、1,2-二氯苯、乙酸乙酯、丙酮、乙腈、苯乙腈、C3-C12的饱和烷基腈中的一种或几种。
优选地,反应温度为30~80℃,更加具体地为30℃、50℃、60℃、80℃。
本发明的目的之二是提供一种1,1-芳基硼类化合物,采用上述的方法制备得到。
本发明的目的之二是提供上述1,1-芳基硼类化合物在制备苄醇类化合物中的应用,包括以下步 骤:
所述应用的路线如下:
所述应用具体的包括以下步骤:
1)在惰性气体中,将金属镍类催化剂NiA、配体、碱和联硼酸频哪醇酯溶于干燥的有机溶剂中, 然后加入末端烯烃和芳基卤代物ArX,得到反应混合物,随后将上述反应混合物密封并从惰性气体中 取出,反应完全后得到反应液Ⅰ;
2)将所述反应液Ⅰ用硅藻土过滤,然后用乙酸乙酯洗涤并浓缩,将得到的浓缩混合物溶于四氢呋 喃中,得到反应液Ⅱ,然后在0℃下,向反应液Ⅱ中加入一定量的2M NaOH水溶液和30%H2O2溶液, 然后将反应温度升至室温,并搅拌均一,待反应结束后,用饱和Na2S2O3淬灭,再用乙酸乙酯萃取, 然后合并有机层并减压浓缩除去溶剂,再经柱层析分离纯化得到目标产物
其中,1,1-芳基硼类化合物:四氢呋喃:2M NaOH水溶液:30%H2O2溶液的用量比为摩尔:体 积mL:体积mL:体积mL:体积mL=1:10:6:3。
与现有技术相比,本发明具有以下有益效果:
本发明公开的一种金属催化末端烯烃1,1-芳基硼化的方法,通过特定配体的使用,使末端烯烃, 芳基卤代物和联硼酸频哪醇酯,在金属镍催化剂作用下,一锅法反应制备1,1-芳基硼类的有机化合物, 该反应方法不但可以高效地合成目标化合物,而且底物适用性强,具有优秀的区域选择性和对映选择 性,此方法所使用的原料廉价易得,操作简便,底物官能团兼容性好,可以高效地合成1,1-芳基硼类 化合物。
同时,本发明所得金属催化末端烯烃1,1-芳基硼化的方法所合成的产物中含有硼基团,其可以进 一步进行转化,可以简单高效地合成一系列苄醇类化合物。
具体实施方式
通过以下详细说明可以进一步理解本发明的特点和优点。所提供的实施例仅 是对本发明方法的说明,而不以任何方式限制本发明揭示的其余内容。
下述实施例中,RT是指室温。B2pin2是指联硼酸频哪醇酯,结构式为NiCl2·DME 是指氯化镍(II)乙二醇二甲醚。LiOMe是指甲醇锂。1,4-dioxane是指1,4-二氧六环。EA是指乙酸乙酯。 THF是指四氢呋喃。
实施例1
在充满氩气的手套箱中,将氯化镍(II)乙二醇二甲醚(5.5mg,0.025mmol)、配体L5(0.025mmol)、 甲醇锂(29.0mg,0.75mmol)、联硼酸频哪醇酯(190.5mg,0.75mmol)溶于2mL干燥的1,4-二氧 六环溶剂中,然后加入上述烯烃(91.1mg,0.5mmol)和碘苯(83.6μL,0.75mmol),将反应管密封 并从手套箱中取出,在50℃下反应35小时。反应结束后,减压浓缩除去反应溶剂,柱层析分离纯化 得到目标产物(无色油,产率61%)。1H NMR(400MHz,Chloroform-d)δ7.28-7.23(m,2H),7.20-7.18 (m,2H),7.16-7.11(m,1H),4.03(t,J=6.6Hz,2H),2.32-2.22(m,2H),1.92-1.84(m,3H),1.77- 1.69(m,3H),1.62-1.54(m,2H),1.46-1.36(m,2H),1.29-1.23(m,4H),1.20(s,6H),1.18(s,6H) ppm;13C NMR(101MHz,Chloroform-d)δ176.3,142.9,128.5,125.5,83.5,64.3,43.4,29.2,28.9,28.4, 25.9,25.6,24.8,24.7ppm;11B NMR(128MHz,Chloroform-d)δ32.5ppm;HRMS(ESI)calculated [M+Na]+for C23H35BO4Na=409.2525,found:409.2515.
实施例2
在充满氩气的手套箱中,将氯化镍(II)乙二醇二甲醚(5.5mg,0.025mmol)、配体L5(0.025mmol)、 甲醇锂(29.0mg,0.75mmol)、联硼酸频哪醇酯(190.5mg,0.75mmol)溶于2mL干燥的1,4-二氧 六环溶剂中,然后加入上述烯烃(76.8μL,0.5mmol)和上述芳基卤代物(154.1mg,0.75mmol), 将反应管密封并从手套箱中取出,在50℃下反应35小时。反应结束后,减压浓缩除去反应溶剂,柱 层析分离纯化得到目标产物(无色油,产率81%)。1H NMR(400MHz,Chloroform-d)δ7.15(t,J=8.4 Hz,2H),7.05-7.02(m,3H),6.80(d,J=8.5Hz,2H),3.76(s,3H),2.59-2.50(m,3H),2.30(s,3H), 2.19-2.10(m,1H),1.94-1.85(m,1H),1.21(s,6H),1.19(s,6H)ppm;13C NMR(101MHz, Chloroform-d)δ157.9,143.8,135.0,134.5,134.2,129.5,126.58,126.55,126.4,113.8,83.5,55.4,34.5, 34.2,24.9,24.7,16.6ppm;11B NMR(128MHz,Chloroform-d)δ33.20ppm;HRMS(ESI)calculated [M+Na]+forC23H30BClO3Na=423.1873,found:423.1874.
实施例3
在充满氩气的手套箱中,将氯化镍(II)乙二醇二甲醚(5.5mg,0.025mmol)、配体L1(0.025mmol)、 甲醇锂(29.0mg,0.75mmol)、联硼酸频哪醇酯(190.5mg,0.75mmol)溶于2mL干燥的1,4-二氧 六环溶剂中,然后加入环己基乙烯(68.4μL,0.50mmol)和上述芳基卤代物(161.3mg,0.75mmol), 将反应管密封并从手套箱中取出,在30℃下反应35小时。反应结束后,减压浓缩除去反应溶剂,柱 层析分离纯化得到目标产物(无色油,产率90%,ee值90%)。[α]D 25=-4.2(c=1.0,CHCl3);The enantiomeric excess was determined byHPLC on Chiralpak AD-H column,hexane:isopropanol=97:3, flow rate=1.0mL/min,UV detection at 254nm,tR=4.1min(minor),4.7min(major);1H NMR(400MHz,Chloroform-d)δ7.93-7.90(m,2H),7.29-7.26(m,2H),3.89(s,3H),2.53(t,J=8.1Hz,1H),1.78- 1.61(m,8H),1.18(s,6H),1.16(s,6H),1.13-1.06(m,3H),0.92-0.81(m,2H)ppm;13CNMR(101 MHz,Chloroform-d)δ167.5,149.8,129.8,128.4,127.2,83.6,52.0,39.6,36.7,33.8,33.0,26.8,26.44, 26.38,24.7ppm;11B NMR(128MHz,Chloroform-d)δ38.13ppm;HRMS(ESI)calculated[M+Na]+for C22H33BO4Na=395.2368,found:395.2370.
实施例4
在充满氩气的手套箱中,将氯化镍(II)乙二醇二甲醚(5.5mg,0.025mmol)、配体L5(0.025mmol)、 甲醇锂(29.0mg,0.75mmol)、联硼酸频哪醇酯(190.5mg,0.75mmol)溶于2mL干燥的1,4-二氧 六环溶剂中,然后加入环己基乙烯(68.4μL,0.5mmol)和上述芳基卤代物(143.6mg,0.75mmol), 将反应管密封并从手套箱中取出,在50℃下反应35小时。反应结束后,减压浓缩除去反应溶剂,柱 层析分离纯化得到目标产物(无色油,产率82%)。1H NMR(400MHz,Chloroform-d)δ7.22-7.12(m, 4H),2.42(t,J=8.1Hz,1H),1.77-1.56(m,8H),1.18(s,6H),1.17(s,6H),1.13-1.08(m,3H),0.93- 0.80(m,2H)ppm;13C NMR(101MHz,Chloroform-d)δ142.3,130.8,129.8,128.5,83.5,40.0,36.6,33.8, 33.0,26.8,26.5,26.4,24.7ppm;11B NMR(128MHz,Chloroform-d)δ33.16ppm;HRMS(ESI)calculated [M+Na]+for C20H30BClO2Na=371.1923,found:371.1919.
实施例5
在充满氩气的手套箱中,将氯化镍(II)乙二醇二甲醚(5.5mg,0.025mmol)、配体L8(0.025mmol)、 甲醇锂(29.0mg,0.75mmol)、联硼酸频哪醇酯(190.5mg,0.75mmol)溶于2mL干燥的乙酸乙酯 溶剂中,然后加入上述烯烃(57.1mg,0.5mmol)和上述芳基卤代物(117.4mg,0.75mmol),将反 应管密封并从手套箱中取出,在50℃下反应35小时。反应结束后,减压浓缩除去反应溶剂,柱层析 分离纯化得到目标产物(无色油,产率78%)。1H NMR(400MHz,Chloroform-d)δ6.73-6.70(m,2H), 6.64(dd,J=8.0,1.7Hz,1H),5.90(q,J=1.5Hz,2H),2.16(t,J=7.8Hz,1H),1.82-1.72(m,1H),1.60 -1.50(m,1H),1.22(s,6H),1.20(s,6H),0.52-0.39(m,2H),-0.05(s,9H)ppm;13C NMR(101MHz, Chloroform-d)δ147.5,145.2,137.4,121.3,109.0,108.2,100.7,83.3,27.5,24.8,24.7,16.6,-1.6ppm;11B NMR(128MHz,Chloroform-d)δ32.31ppm.
实施例6
在充满氩气的手套箱中,将氯化镍(II)乙二醇二甲醚(5.5mg,0.025mmol)、配体L5(0.025mmol)、 甲醇锂(29.0mg,0.75mmol)、联硼酸频哪醇酯(190.5mg,0.75mmol)溶于2mL干燥的1,4-二氧 六环溶剂中,然后加入上述烯烃(91.1mg,0.5mmol)和上述芳基卤代物(161.3mg,0.75mmol), 将反应管密封并从手套箱中取出,在50℃下反应35小时。反应结束后,减压浓缩除去反应溶剂,柱 层析分离纯化得到目标产物(无色油,产率85%)。1H NMR(400MHz,Chloroform-d)δ7.94(d,J=8.3 Hz,2H),7.27(d,J=8.4Hz,2H),4.03(t,J=6.5Hz,2H),3.89(s,3H),2.38(t,J=7.9Hz,1H),2.26(tt, J=11.3,3.7Hz,1H),1.92–1.84(m,3H),1.77–1.73(m,2H),1.65–1.53(m,3H),1.43–1.36(m,2H), 1.28–1.24(m,2H),1.20(s,6H),1.18(s,6H)ppm;13C NMR(101MHz,Chloroform-d)δ176.3,167.4, 148.8,129.9,128.4,127.4,83.7,64.1,52.1,43.3,29.1,28.5,28.4,25.9,25.6,24.7,24.6ppm;11B NMR(128MHz,Chloroform-d)δ33.91ppm;HRMS(ESI)calculated[M+Na]+for C25H37BO6Na=467.2580, found:467.2581.
以下实施例7~实施例11均以上述实施例1的方法步骤进行,合成得到的化合物结构和名称、NMR 与HRMS数据及产率如下表所示:
实施例11
在充满氩气的手套箱中,将氯化镍(II)乙二醇二甲醚(5.5mg,0.025mmol)、配体L1(0.025mmol)、 甲醇锂(29.0mg,0.75mmol)、联硼酸频哪醇酯(190.5mg,0.75mmol)溶于2mL干燥的1,4-二氧 六环溶剂中,然后加入1-溴萘(103.5mg,0.50mmol),将反应管密封并从手套箱中取出,套上充满 乙烯气体的气球,抽排三次后在30℃下反应20小时。反应结束后,将反应液用硅藻土过滤,用乙酸 乙酯洗涤并浓缩,将得到的混合物溶于5mL四氢呋喃中,然后在0℃下,向反应液中加入3.0mL 2M 的NaOH水溶液和1.5mL 30%H2O2溶液,将反应温度升至室温,搅拌2-3小时,待反应结束后,用 饱和Na2S2O3淬灭,用30mL乙酸乙酯分三次萃取,合并有机层并减压浓缩,柱层析分离纯化得到目 标产物(无色油,产率38%,ee值70%)。[α]D 25=+3.0(c=1.0,CHCl3);The enantiomeric excess was determined by HPLC onChiralpak OD-H column,hexane:isopropanol=90:10,flow rate=1.0mL/min, UVdetection at 220nm,tR=9.0min(minor),14.5min(major);1H NMR(400MHz,Chloroform-d)δ8.12 (d,J=8.4Hz,1H),7.88(dd,J=7.5,2.1Hz,1H),7.78(d,J=8.3Hz,1H),7.68(d,J=8.3Hz,1H),7.55 -7.46(m,3H),5.69(q,J=6.5Hz,1H),1.93(s,1H),1.68(d,J=6.5Hz,3H)ppm;13C NMR(101MHz, Chloroform-d)δ141.5,134.0,130.4,129.1,128.1,126.2,125.70,125.68,123.3,122.1,67.3,24.5ppm; HRMS(ESI)calculated[M+Na]+for C12H12ONa=195.0780,found:195.0786.
以下实施例12-实施例13均以上述实施例11的方法步骤进行,合成得到的化合物结构和名称、 NMR与HRMS数据及产率如下表所示:
对比例
参照以上实施例6,将其中的配体替换为中国专利CN111018899A中的配体L1,结构式为:
路线如下:
在充满氩气的手套箱中,将氯化镍(II)乙二醇二甲醚(5.5mg,0.025mmol)、配体L(0.025mmol)、 甲醇锂(29.0mg,0.75mmol)、联硼酸频哪醇酯(190.5mg,0.75mmol)溶于2mL干燥的1,4-二氧 六环溶剂中,然后加入上述烯烃(91.1mg,0.5mmol)和上述芳基卤代物(161.3mg,0.75mmol), 将反应管密封并从手套箱中取出,在50℃下反应35小时,只能得到8%的目标物。此外,选用中国 专利CN111018899A中的其他八种配体则几乎得不到目标产物。
Claims (9)
2.如权利要求1所述的方法,其特征在于,所述末端烯烃中R1为未取代或取代的长链烷基基团,所述取代的长链烷基基团的取代基为卤素、噻吩、呋喃、吡啶、吡咯、苯并吡咯、咔唑、邻苯二甲酰基、磺酰基、烷氧基、取代的芳基、烷基的一种或几种,或芳基取代的酯类、醚类、硅烷,烷基取代的硅烷,烷氧基取代的硅烷中的任一种;所述芳基卤代物中X为原子氯、溴或碘中的一种或几种。
3.如权利要求1所述的方法,其特征在于,金属镍类催化剂NiA:配体:碱:末端烯烃:芳基卤代物ArX:联硼酸频哪醇酯:有机溶剂的用量比为摩尔:摩尔:摩尔:摩尔:摩尔:摩尔:体积mL=0.05:0.05:1.5:1:1.5:1.5:4。
4.如权利要求1所述的方法,其特征在于,所述的金属镍类催化剂NiA中,A为Cl–、I–、[CH3COO]–、[CF3COO]–、[acac]–、Cl–带1个乙二醇二甲醚、[NO3]–带4个结晶水中的任一种。
5.如权利要求1所述的方法,其特征在于,所述的碱,其阳离子为Li+、Na+、K+、Mg2+和Cs+中的任一种,阴离子为F–、[CO3]2–、[HCO3]–、[PO4]3–、[HPO4]2–、[H2PO4]–、[OH]–、[CH3COO]–、[CF3COO]–、[OMe]–和[OtBu]–中的任一种。
6.如权利要求1所述的方法,其特征在于,所述的有机溶剂为甲醇、乙醇、异丙醇、四氢呋喃、2-甲基四氢呋喃、1,4-二氧六环、乙醚、甲基叔丁基醚、乙二醇二甲醚、乙二醇二乙醚、N-甲基吡咯烷酮、N,N-二甲基甲酰胺、N,N-二甲基乙酰胺、二甲基亚砜、二氯甲烷、1,2-二氯乙烷、氯仿、四氯化碳、苯、甲苯、二甲苯、三甲苯、氯苯、1,2-二氯苯、乙酸乙酯、丙酮、乙腈、苯乙腈、C3-C12的饱和烷基腈中的一种或几种。
7.如权利要求1所述的方法,其特征在于,反应温度为30~80℃。
8.一种1,1-芳基硼类化合物,其特征在于,采用权利要求1~7任一项所述的方法制备得到。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112939750A (zh) * | 2021-02-04 | 2021-06-11 | 南京大学 | 一种配体接力策略促进的镍氢催化烯烃迁移不对称官能团化的方法 |
CN112939750B (zh) * | 2021-02-04 | 2022-05-17 | 南京大学 | 一种配体接力策略促进的镍氢催化烯烃迁移不对称官能团化的方法 |
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