CN106083938A - 一种钴配合物 - Google Patents

一种钴配合物 Download PDF

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Publication number
CN106083938A
CN106083938A CN201610438843.9A CN201610438843A CN106083938A CN 106083938 A CN106083938 A CN 106083938A CN 201610438843 A CN201610438843 A CN 201610438843A CN 106083938 A CN106083938 A CN 106083938A
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crystal
cobalt complex
cobalt
synthetic method
thiazolylazo
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罗梅
郭晨晨
张竞成
李学良
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Hefei University of Technology
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Hefei University of Technology
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F15/00Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
    • C07F15/06Cobalt compounds
    • C07F15/065Cobalt compounds without a metal-carbon linkage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22Organic complexes
    • B01J31/2204Organic complexes the ligands containing oxygen or sulfur as complexing atoms
    • B01J31/2208Oxygen, e.g. acetylacetonates
    • B01J31/2217At least one oxygen and one nitrogen atom present as complexing atoms in an at least bidentate or bridging ligand
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/02Compositional aspects of complexes used, e.g. polynuclearity
    • B01J2531/0238Complexes comprising multidentate ligands, i.e. more than 2 ionic or coordinative bonds from the central metal to the ligand, the latter having at least two donor atoms, e.g. N, O, S, P
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/80Complexes comprising metals of Group VIII as the central metal
    • B01J2531/84Metals of the iron group
    • B01J2531/845Cobalt
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07BGENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B2200/00Indexing scheme relating to specific properties of organic compounds
    • C07B2200/13Crystalline forms, e.g. polymorphs

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

一种钴配合物(I),其化学式如下:一种钴配合物(I)的合成方法,本合成方法包括合成和分离;是称取0.5023g1‑(2‑噻唑基偶氮)‑2‑萘酚放入100mL圆底烧瓶中,加入50mL无水乙醇并搅拌使其溶解;将0.2336g六水氯化钴加入上述溶液,加热回流48h;反应结束后热过滤反,将滤液自然挥发,数天后有晶体析出;将晶体用石油醚和正己烷冲洗3次,真空干燥30min,得目标产物。

Description

一种钴配合物
技术领域
本发明涉及一种新化合物及其制备方法,特别涉及一种钴化合物及其制备方法,确切地说是一种的制备及合成方法。
背景技术
钴配合物是重要的催化剂和医药化工产品,其作为催化剂在二乙基锌与苯甲醛对映选择性加成反应等反应中有较好的催化效果。【1-5】
参考文献:
1.Asymmetric hydrogenation catalyzed by bis(dimethylglyoximato)cobalt(II)-achiral base complex and chiral amino alcohol conjugatedsystems.Oxidoreductase model with enantioselectivity,Ohgo,Yoshiaki;Natori,Yukikazu;Takeuchi,Seiji;Yoshimura,Juji,Chemistry Letters(1974),(11),1327-30.
Synthesis,structure and acid-baseproperties ofcobalt(III)complexeswith aminoalcohols tepanenko,O.N.;Reiter,2.L.G.Ukrainskii KhimicheskiiZhurnal(Russian Edition),(1992),58(12),1047-54.
3.Cobalt(III)mono-and trinuclear complexes with O,N-chelatingaminoalcohols apanadze,T.Sh.;Gulya,A.P.;Novotortsev,V.M.;Ellert,O.G.;Shcherbakov,V.M.;Kokunov,Yu.V.;Bushaev,Yu.A.Koordinatsionnaya Khimiya(1991),17(7),934-40.
4.Magnetic properties ofcobaltcomplexes with amino alcohols,Evreev,V.N.;Bogdanov,A.P.13Vses.Chugaev.Soveshch.po Khimii Kompleks.Soedin.,1978(1978),137.
5.Synthesis,stereochemistry,andreactions ofcobalt(III)complexes withamino alcohol ligands Okamoto,Martha S.No Corporate Source data available|(1974),146pp.
6.Synthesis and properties of isomeric tris(N-[2-hydroxyethyl]ethylenediamine)cobalt(III)and tris(N-[2-hydroxypropyl]ethylenediamine)cobalt(III)chlorides,arpeiskaya,E.I.;Kukushkin,Yu.N.;Trofimov,V.A.;Yakovlev,I.P.,ZhurnalNeorganicheskoi Khimii(1971),16(7),1960-4。
发明内容
本发明旨在提供含六个水分子的双1-(2-噻唑基偶氮)-2-萘酚钴配合物,所要解决的技术问题是一步合成得到目标产物。
本发明所称的钴配合物是由1-(2-噻唑基偶氮)-2-萘酚与六水合氯化钴制备的由以下化学式所示的化合物:
化学名称:含六个水分子的双1-(2-噻唑基偶氮)-2-萘酚钴配合物,简称配合物(I)。
该配合物在苯甲醛的亨利反应中显示了一定的催化性能,其转化率达43%。
本合成方法包括合成和分离,其合成方法是称取0.5023g 1-(2-噻唑基偶氮)-2-萘酚放入100mL圆底烧瓶中,加入50mL无水乙醇并搅拌使其溶解;将0.2336g六水氯化钴加入上述溶液,加热回流48h后热过滤反,自然挥发,数天后有晶体析出;将晶体用石油醚和正己烷冲洗3次,真空干燥30min,得目标产物。
合成反应如下:
本合成方法一步得到目标产物,工艺简单,操作方便。
附图说明
图1含六个水分子的双1-(2-噻唑基偶氮)-2-萘酚钴配合物的单晶X-衍射图。
具体实施方式
含六个水分子的双1-(2-噻唑基偶氮)-2-萘酚钴配合物的制备:
称取0.5023g1-(2-噻唑基偶氮)-2-萘酚放入100mL圆底烧瓶中,加入50mL无水乙醇并搅拌使其溶解;将0.2336g六水氯化钴加入上述溶液,加热回流48h;反应结束后热过滤,滤液自然挥发,数天后有晶体析出;将晶体用石油醚和正己烷冲洗3次,真空干燥30min,得目标产物,产率为30%,熔点172-174。元素分析数据C26H28Cl CoN6O8S2,理论值:C:43.2%;H:3.97%;N:11.82%;实测值:C40.15%;H:3.02%;N:11.43%;红外光谱数据(KBr,cm-1):3739;3513;3361;3009;2904;2535;2237;2143;1642;1543;1433;1355;1226;1003;845;685;648;587;569;542。
化合物的晶体数据:
晶体典型的键长数据:
晶体典型的键角数据
亨利反应应用
2-硝基-1-苯基乙醇
称取0.0533g(0.075mmol)配合物,置于25mL的小烧瓶中,加入1mL DMSO,再向溶液中加入0.05mL苯甲醛和0.25mL硝基甲烷,常温下搅拌反应24小时后,进行1HNMR检测;转化率:43%;1H NMR(300MHz,CDCl3)7.28~7.32(m,5H,Ar-H),5.32~5.35(d,J=9.18Hz,1H,-CH),4.38~4.56(m,2H,-CH2),3.89(br,1H,-OH)。

Claims (3)

1.一种钴配合物(I),其化学式如下:
2.权利要求1所述的钴配合物(I),在293(2)k温度下,在牛津X-射线单晶衍射仪上,用经石墨单色器单色化的MoKα射线以ω-θ扫描方式收集衍射数据,其特征在于晶体属三斜晶系,P2(1)/n,晶胞参数:a=9.54(3)beta=85.34(5)°;gamma=78.12(5)°。
3.权利要求1所述的钴配合物(I)的合成方法,本合成方法包括合成和分离,其特征在于:是称取0.5023g 1-(2-噻唑基偶氮)-2-萘酚放入100mL圆底烧瓶中,加入50mL无水乙醇并搅拌使其溶解;将0.2336g六水氯化钴加入上述溶液,加热回流48h后热过滤,自然挥发,数天后有晶体析出;将晶体用石油醚和正己烷冲洗3次,真空干燥30min,得目标产物。
CN201610438843.9A 2016-06-16 2016-06-16 一种钴配合物 Pending CN106083938A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106749426A (zh) * 2016-11-10 2017-05-31 广西大学 一种混合偶氮苯配体的钴配合物及其制备方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
M.M. OMAR ET AL.: "Potentiometric, spectroscopic and thermal studies on the metal chelates of 1-(2-thiazolylazo)-2-naphthalenol", 《SPECTROCHIMICA ACTA PART A》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106749426A (zh) * 2016-11-10 2017-05-31 广西大学 一种混合偶氮苯配体的钴配合物及其制备方法

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