CN104557984A - 具有催化苯硼酸的三唑-三氟甲基磺酸铜配合物及其制备方法 - Google Patents
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- HXITXNWTGFUOAU-UHFFFAOYSA-N phenylboronic acid Chemical compound OB(O)C1=CC=CC=C1 HXITXNWTGFUOAU-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- ZIJDTDSIVOVKGW-UHFFFAOYSA-L copper 2H-triazole trifluoromethanesulfonate Chemical compound FC(S(=O)(=O)[O-])(F)F.[Cu+2].N1N=NC=C1.FC(S(=O)(=O)[O-])(F)F ZIJDTDSIVOVKGW-UHFFFAOYSA-L 0.000 title abstract description 5
- 239000010949 copper Substances 0.000 claims abstract description 31
- 150000004699 copper complex Chemical class 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 5
- 239000007809 chemical reaction catalyst Substances 0.000 claims abstract 2
- 239000013078 crystal Substances 0.000 claims description 10
- -1 triazole copper complex Chemical class 0.000 claims description 7
- HVMMGTLUNJNHFE-UHFFFAOYSA-N 4-[3-(1,2,4-triazol-4-yl)phenyl]-1,2,4-triazole Chemical compound N=1N=CN(C1)C=1C=C(C=CC1)N1C=NN=C1 HVMMGTLUNJNHFE-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 230000005260 alpha ray Effects 0.000 claims description 3
- 238000002447 crystallographic data Methods 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 239000012046 mixed solvent Substances 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 20
- 239000003054 catalyst Substances 0.000 description 11
- 229910052763 palladium Inorganic materials 0.000 description 10
- 238000003786 synthesis reaction Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000006555 catalytic reaction Methods 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 7
- 229910052723 transition metal Inorganic materials 0.000 description 6
- 150000003624 transition metals Chemical class 0.000 description 6
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 4
- NSPMIYGKQJPBQR-UHFFFAOYSA-N 4H-1,2,4-triazole Chemical compound C=1N=CNN=1 NSPMIYGKQJPBQR-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 150000004696 coordination complex Chemical class 0.000 description 4
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 4
- 150000002460 imidazoles Chemical class 0.000 description 4
- 239000003446 ligand Substances 0.000 description 4
- 229940018564 m-phenylenediamine Drugs 0.000 description 4
- 125000004433 nitrogen atom Chemical group N* 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000000975 bioactive effect Effects 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 235000010290 biphenyl Nutrition 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000006880 cross-coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- XZBIXDPGRMLSTC-UHFFFAOYSA-N formohydrazide Chemical compound NNC=O XZBIXDPGRMLSTC-UHFFFAOYSA-N 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000001455 metallic ions Chemical class 0.000 description 2
- 229930014626 natural product Natural products 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 150000003217 pyrazoles Chemical class 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 150000003852 triazoles Chemical class 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005564 crystal structure determination Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005311 nuclear magnetism Effects 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000005406 washing Methods 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
- C07F1/00—Compounds containing elements of Groups 1 or 11 of the Periodic Table
- C07F1/08—Copper compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
- B01J31/1805—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing nitrogen
- B01J31/181—Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine
- B01J31/1815—Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine with more than one complexing nitrogen atom, e.g. bipyridyl, 2-aminopyridine
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- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/40—Substitution reactions at carbon centres, e.g. C-C or C-X, i.e. carbon-hetero atom, cross-coupling, C-H activation or ring-opening reactions
- B01J2231/42—Catalytic cross-coupling, i.e. connection of previously not connected C-atoms or C- and X-atoms without rearrangement
- B01J2231/4277—C-X Cross-coupling, e.g. nucleophilic aromatic amination, alkoxylation or analogues
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- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
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Abstract
本发明公开了一种具有催化苯硼酸的三唑-三氟甲基磺酸铜配合物及其制备方法。它是采用“水热法”,即Cu(CF3SO3)2和L在100℃水热条件下来制备该配合物。本发明进一步公开了铜配合物{[Cu(L)](CF3SO3)·0.33H2O}(<b>1</b>)(L=4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑)作为苯硼酸的偶联反应催化剂方面的应用。
Description
本发明得到国家自然科学基金面上项目(21471113),天津市教委项目资助(20140506),天津师范大学中青年教师学术创新推进计划项目和天津市高等学校创新团队培养计划资助(TD12-5038)。
技术领域
本发明属于无机合成技术领域,涉及铜配合物{[Cu(L)](CF3SO3)·0.33H2O} (1)
(L = 4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑)的制备方法及作为苯硼酸偶联反应的催化剂方面的应用。
背景技术
以过渡金属络合物催化进行高选择性合成的研究一直是一个活跃的领域。用普通合成手段难于实现的反应,有事使用过渡金属络合物能够在温和条件下一步完成。因此,采用金属络合物做催化剂来开发高选择性、高转化率的有机合成反应,是十分令人感兴趣的课题。有机合成中一般常用的过渡金属有镍、钯、铜、钌、铑、锰等,而其中钯络合物显示出多样性催化功能。钯催化偶联反应种类很多,这些反应在合成天然产物、聚合物、功能材料、液晶、药物分子及生物活性化合物中均有广泛的用途。但钯催化剂相对昂贵,如果能用廉价的铜配合物取代昂贵的钯催化剂,实现反应的进程,不仅可以节约成本,而且有望工业化生产。
1,2,4-三唑及其衍生物兼有吡唑和咪唑的配位特点,是配位能力较强的桥连配体,目前已合成并表征了大量的单核、多核和多维化合物。这些配体能够以1,2位上的氮原子与金属离子配位形成N1,N2-桥连模式,对于4位未取代的1,2,4-三唑衍生物能通过2,4位上的氮原子形成N2,N4-桥连模式,这种N2,N4-桥连模式同金属酶中咪唑的N1,N3-桥连模式类似。对于三唑类化合物的特殊用途还表现在分子器件化的设计上,合成具有不同维数的金属配合物乃是完成器件化至关重要的一步。
本发明即是选用Cu(CF3SO3)2和4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑(L)在100 oC水热条件下来制备铜配合物{[Cu(L)](CF3SO3)·0.33H2O} (1)。催化实验证明,该配合物可作为苯硼酸偶联反应的催化剂得以应用。
发明内容
本发明的另一个目的在于提供一种间苯双三唑铜配合物{[Cu(L)](CF3SO3)·0.33H2O} (1)单晶及其制备方法。
为此本发明人提供了如下的技术方案:
间苯双三唑铜配合物{[Cu(L)](CF3SO3)·0.33H2O} (1)
(L = 4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑)的结构基元如图1所示。
本发明进一步公开了间苯双三唑铜配合物{[Cu(L)](CF3SO3)·0.33H2O} (1)
(L = 4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑)单晶,其特征在于该单晶结构采用APEX II CCD单晶衍射仪,使用经过石墨单色化的Mokα射线(λ = 0.71073 Å)为入射辐射,以ω-2θ扫描方式收集衍射点,经过最小二乘法修正得到晶胞参数,从差值傅立叶电子密度图利用软件解出单晶数据:
表1. 配合物1的晶体学数据
本发明所述间苯双三唑铜配合物{[Cu(L)](CF3SO3)·0.33H2O} (1)
(L = 4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑)单晶的制备方法,其特征在采用“水热法”,在CH3CN和H2O中,将Cu(CF3SO3)2和L配体100 oC水热条件下反应,得到适合X-射线单晶衍射的黄色棒状晶体。其中CH3CN和H2O的体积比为4:6,Cu(CF3SO3)2和L的摩尔比为1:1;
本发明更加详细的制备方法如下:
一种间苯双三唑铜配合物{[Cu(L)](CF3SO3)·0.33H2O} (1)
(L = 4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑)单晶的制备方法,其特征在采用“水热法”,在CH3CN和H2O中,将Cu(CF3SO3)2和L配体100 oC水热条件下反应,得到适合X-射线单晶衍射的黄色棒状晶体。其中CH3CN和H2O的体积比为4:6,Cu(CF3SO3)2和L的摩尔比为1:1;
本发明所述的溶剂为混合溶剂,CH3CN和H2O。其中Cu(CF3SO3)2和L的摩尔比为1:1。
本发明进一步公开了铜配合物{[Cu(L)](CF3SO3)·0.33H2O} (1)
(L = 4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑)可作为苯硼酸偶联反应的催化剂。
本发明公开的一种间苯双三唑铜配合物{[Cu(L)](CF3SO3)·0.33H2O} (1)
(L = 4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑)单晶所具有的优点和特点在于:
(1) 反应操作简便易行。
(2) 反应收率高,所得产品的纯度高。
(3) 本发明所制备的{[Cu(L)](CF3SO3)·0.33H2O} (1)
(L = 4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑)生产成本低,方法简便,适合大规模生产。
附图说明
图1:配合物1的晶体结构基元图;
图2:配合物1的三维结构图。
图3:联苯的核磁图。
具体实施方式
下面结合实施例对本发明做进一步的说明,实施例仅为解释性的,决不意味着它以任何方式限制本发明的范围。所有的原料都是从国内外的化学试剂公司进行购买,没有经过继续提纯而是直接使用的。
实施例1
4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑(L)配体的制备
在装有磁子、回流冷凝器和温度计的50 mL三口圆底烧瓶内分别加入间苯二胺 (1 mmol),双甲酰肼 (2 mmol),开动搅拌在100 ℃,反应12小时。反应结束后,将反应液降至室温,析出大量沉淀,将沉淀用水和乙醇重结晶,收率86%。元素分析C10H8N6理论值:C,56.60;H,3.80;N,39.60。实验值:C,56.56;H,3.75;N,39.56。间苯二胺,双甲酰肼的摩尔比为1:2。
实施例2
Cu(CF3SO3)2和4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑) (L)的摩尔比为1:1;
L (0.0424 g, 0.2 mmol),Cu(CF3SO3)2 (0.0691 g, 0.2 mmol),H2O (6 mL),CH3CN (4 mL),水热100 oC三天后缓慢降至室温。开釜后有适合X-射线单晶衍射分析的黄色棒状晶体。产率:35% (基于L计算)。元素分析(C33H26Cu3F9N18O10S3)
理论值(%):C,30.67;H,2.03;N,19.51。实测值:C,30.69;H,2.06;N,19.59。
我们还尝试过其他比例,比如Cu(CF3SO3)2和L的摩尔比为2:1,则无论水热反应时间的长短,都得不到晶态化合物。因此Cu(CF3SO3)2和L的摩尔比为1:1是最佳反应配比。
实施例3
晶体结构测定采用APEX II CCD单晶衍射仪,使用经过石墨单色化的Mokα射线(λ= 0.71073 Å)为入射辐射,以ω-2θ 扫描方式收集衍射点,经过最小二乘法修正得到晶胞参数,从差值傅立叶电子密度图利用软件解出晶体结构,并经洛仑兹和极化效应修正。所有的H原子由差值傅立叶合成并经理想位置计算确定。详细的晶体测定数据见表1。结构基元见图1,配合物的三维结构见图2。
表1. 配合物1的晶体学数据
实施例4
以过渡金属络合物催化进行高选择性合成的研究一直是一个活跃的领域。用普通合成手段难于实现的反应,有事使用过渡金属络合物能够在温和条件下一步完成。因此,采用金属络合物做催化剂来开发高选择性、高转化率的有机合成反应,是十分令人感兴趣的课题。有机合成中一般常用的过渡金属有镍、钯、铜、钌、铑、锰等,而其中钯络合物显示出多样性催化功能。钯催化偶联反应种类很多,这些反应在合成天然产物、聚合物、功能材料、液晶、药物分子及生物活性化合物中均有广泛的用途。但钯催化剂相对昂贵,如果能用廉价的铜配合物取代昂贵的钯催化剂,实现反应的进程,不仅可以节约成本,而且有望工业化生产。
1,2,4-三唑及其衍生物兼有吡唑和咪唑的配位特点,是配位能力较强的桥连配体,目前已合成并表征了大量的单核、多核和多维化合物。这些配体能够以1,2位上的氮原子与金属离子配位形成N1,N2-桥连模式,对于4位未取代的1,2,4-三唑衍生物能通过2,4位上的氮原子形成N2,N4-桥连模式,这种N2,N4-桥连模式同金属酶中咪唑的N1,N3-桥连模式类似。对于三唑类化合物的特殊用途还表现在分子器件化的设计上,合成具有不同维数的金属配合物乃是完成器件化至关重要的一步。
本发明即是选用Cu(CF3SO3)2和4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑(L)在100 oC水热条件下来制备铜配合物{[Cu(L)](CF3SO3)·0.33H2O} (1)。催化实验证明,该配合物可作为苯硼酸偶联反应的催化剂得以应用。
在25 mL烧杯中称取1 g苯硼酸,0.2 g Cs2CO3,3 mL DMF和0.1 g催化剂(配合物1),室温下搅拌1小时,TLC监测(PE:EA = 1:1)反应完全,10 mLCH2Cl2萃取产品后再用20 mL蒸馏水洗涤,有机相用污水MgSO4干燥,过滤,脱溶,得到的粗产品以石油醚洗脱过柱,得到联苯。
Claims (4)
1.间苯双三唑铜配合物{[Cu(L)](CF3SO3)·0.33H2O} (1)
(L = 4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑)的结构基元如附图所示。
2.权利要求1所述铜配合物的单晶,其特征在于该单晶结构采用APEX II CCD单晶衍射仪,使用经过石墨单色化的Mokα射线(λ = 0.71073 Å)为入射辐射,以ω-2θ扫描方式收集衍射点,经过最小二乘法修正得到晶胞参数,从差值傅立叶电子密度图利用软件解出单晶数据:
表1. 配合物1的晶体学数据
。
3.权利要求1所述铜配合物{[Cu(L)](CF3SO3)·0.33H2O} (1)
(L = 4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑)的制备方法,其特征在于采用它是采用“水热法”,即Cu(CF3SO3)2和4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑(L)在100 oC水热条件下来制备该配合物;
所述的溶剂为混合溶剂为CH3CN和H2O;
其中Cu(CF3SO3)2和4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑(L)的摩尔比为1:1。
4.权利要求1所述铜配合物{[Cu(L)](CF3SO3)·0.33H2O} (1)
(L = 4-(3-(4H-1,2,4-三唑-4-基)苯基)-4H-1,2,4-三唑)可作为苯硼酸的偶联反应催化剂方面的应用。
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SHAO-BIN MIAO ET AL: ""Synthesis, Crystal Structure, and Properties of a 3D Cu(I) Coordination Polymer Based on Cu3(CN)2 Clusters and 1,3-Di-(1,2,4-Triazole-4-yl) Benzene"", 《J CLUST SCI》 * |
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