THF相关论文
利用水合物气体分离技术回收和提浓油页岩干馏气中的甲烷,使其达到民用天然气的浓度标准.通过实验室自建的水合物相平衡实验测定装......
实验考察了CH+CH+THF+水混合体系在一定温度(276.15~282.15K)、压力(2.0~3.0MPa)和THF水溶液浓度(IHF摩尔分数60﹪~12.0﹪)范围内的气......
溴苯的四氢呋喃溶液与镁粉反应,生成格氏试剂,再与芴酮反应,制备出高纯度的OLED中间体9-苯基-9-芴醇,并对反应条件进行了优化.优化......
A New Synthetic Route to Di-η~5-Cyclopentadienyl Ytterbium(Ⅱ)Tetrafuranate (η~5-C_5H_5)_2Yb(THF)_2 a
In recent years,the organometallic ehemistry of the lanthanide metals in low oxidation states has beenactively investiga......
Copper phthalocyanine (CuPc) nanoribbon field-effect transistors were implemented as chemical sensors. They showed fast ......
Manastyrskyj 等首次报道了重稀土环戊二烯二氯化物 C_5H_5L_nC(?)_2(Ln=Sm~Lu)的合成,但未得到相应的轻稀土环戊二烯基二氯化物。......
由于歧化反应的存在,以前试图合成二环戊二烯基轻稀土氯化物一直没有成功。我们用NdCl_3·2C_4H_8O和环戊二烯钠(摩尔比为1:1.8)在......
本文用X—射线衍射法测定了[Pr_4(O_2)_2Cl(THF)(H_2O)_2]·2THF的晶体和分子结构。晶体属三斜晶系,空间群为Pi,晶胞参数为a=11.48......
开展对过渡元素钒及共化合物的结构化学系统研究,对于开发和综合利用我国丰富的钒资源有其重要的理论和实际意义。钒的变价现象相......
提出了一种乙炔聚合的新催化剂TiCl_4-蒽镁·(THF)_3。此催化剂的特点是无论在极性或非极性溶剂中均具有较高的活性。实验表明,不......
在回流的 NaBH_4-THF 中,滴加小量甲醇,可有效地将烷基、芳基或甲苯磺酰叠氮化物还原成相应的胺或甲苯磺酰胺。其活性次序为芳基......
The title complex crystallizes in the orthorhombic space group Pna21 with Mr = 570. 8, a = 16. 927(6), b = 18.942(7), c......
The title compound (C_ 24H_ 40Cl_6O_ 16V_3, M_r = 950.08) was synthesized from the reaction of VCl_3 and NaO_2CEt in ......
Synthesis of[(C_5H_5)Y(η~2-PzMe_2)(μ-PzMe_2)]_2 and [Y(η~2-PzMe_2)_2(μ-PzMe_2)(μ-THF)]_2 and the ins
3,5-Dimethylpyrazole (HPzMe2) reacted with (C5H5)3Y in THF to yield dinuclear complexes [(C5H5)Y-(η2-PzMe2)(μ-PzMe2)]2......
在N_2中[V_nCr_(3-n)(μ_3-O)(μ-O_2CCH_3)_6(THF)_3]X[n=0-3,X=Cl~-,ClO_4~-,(VO_5)_(0.5)~-]及[V_nFe_(3-n)(μ_
利用原位红外光谱研究标题化合物在N2 中的反应行为。发现它们在不同温度下能使乙酸分别转化为丙酮和甲烷。它们对乙酸的丙酮化反......
Synthesis and Crystal Structure of a Novel Polythiotungstate Compound [PPh_4]_2[(S)_2W(μ-S)_2(O)W(TH
The reactions of [PPh4][(Et-S)WS3] in THF with N-methyliminodiacetic acid produced a new trinuclear cluster [PPh4]2[(S)2......
Synthesis and Structure of Iron Complex with 1,2-Dithiolate-1,2-dicarba-closo-dodecaborane [Li(THF)_
The crystal of complex [Li(THF)4][Fe(S2C2B10H10)2(THF)] 3 belongs to monoclinic, space group P21 with a = 11.964(2), b =......
蒸气发光变色材料在接触特定蒸气分子后,其发光和(或)颜色会发生显著的变化,因此这类材料在化学传感、环境监测等领域具有重要的......
天然气水合物不仅是一种重要的潜在能源,而且基于水合物的特有属性,衍生出一系列水合物工业技术应用,因此水合物的生成分解过程优......
Crystal Structure of{[(μ_2-Cl)(C_5H_5)Sm(μ_2-Cl)]_2(μ_3-Cl)(μ_4-O)Sm(μ_2-Cl)·THF}_2~(2-)·[Li(DME)_2·
The crystal structure of title complex has been determined by the method of X-ray single crystaldiffraction.The crystal......
The reaction of NdCl_3 with lithium methylnaphthalene in 1:2 mole ratio in THF generates black powder.The powder reacts......
研究压力如何影响恒沸点 ,探索改变操作压力由反应精馏精制四氢呋喃 (THF)可行性。模拟计算考察了压力对THF/水体系恒沸点的影响 ,......
This paper reports two lanthanide complexes of formula (C_9H_7)Ln(C_8H_8)·(THF)_2 whereLn is Pr or Nd,C_9H_7 is indeny......
Compound (η5-C5H5)GdCl2(THF)3 was successfully prepared from action of GdCl3 and NaC5H5 in tetrahydrofuran (THF). X-ra......
A COBALT- SELENIUM CLUSTER WITH TRIPHENYLPHOSPHINE: PREPARATION AND STRUCTURE OF CCo_6Se_8(PPh_3)_6]
Compound Co6Sc8(Ph3P)6 was obtained by mixing CoBr2, Ph3P, and Na2Se2 in DMF in high yield. It crystallizcs in triclini......
MOLECULAR STRUCTURE OF ORGANOLANTHANIDE COMPLEX [Li(THF)_4]_2[{ (η~5-CH_3C_5H_4)NdCl(μ_2-Cl)NdCl_2(η
The crystal structure of the complex [Li(THF)4]2[{(η5-CH3C5H4)Nd-Cl(μ2-Cl)NdCl2(η5-CH3C5H4)}2(μ4-O)] has been deter......
[YC12(THF)5][YC14(THF)2], MT = 895. 2, monoclinic, space group C2/c, a = 12. 568(4), b = 11. 538(3), c=27. 354(3)A,β=9......
The crystal of (C5H9C5H4)Er4(μ2-Cl)6(μ3-Cl)(μ4-O)(THF)3 belongs to triclinic space group P1, with a = 11. 909(4), b ......
环戊二烯基希土氯化物是一类合成希土有机配合物的重要前身。尽管在1980年前没能成功地合成含轻希土元素的这类配合物,但目前已发......
本文报导了(Cp_2ErCl(THF)]_2的晶体结构,晶体属单斜晶系,P2_1/c空间群。晶胞参数为a=8.141(2),b=21.218(6),c=8.597(2),β=107.77......
我们曾报道利用叔丁基环戊二烯基作配体,可分离得到二叔丁基环戊二烯基轻稀土氯化物,并测定了(t-BuCp)_2PrCl·2THF 的分子结构,......
{[(μ_2—Cl)(C_5H_5)Sm(μ_2—Cl)]_2(μ_3—Cl](μ_4—O)Sm(μ_2—Cl)THF}_2~(2-)·[Li(DME)_2·Li(THF)_2DME]~(2+)·DM
1977年,Bradley等人报道了稀土离子间以双氧离子(O_2~(2-))为桥的稀土金属有机配合物的合成及其晶体结构,类似的稀土离子间夹有氧......
(C_8H_8)Sm(C_8H_8)Na(THF)_3的晶体属单斜晶系,P2_1空间群.晶胞参数为α=12.140(3),b=13.794(3),c=8.944(3)(?),β=111.68(3)°,......
自1969年首次报道稀土环辛四烯基化合物Eu(C_8H_8)和Yb(C_8H_8)的合成以来,相继合成K[Ln(C_8H_8)_2],[Ln(C_8H_8)Cl·2THF]_2和[L......
氧心羧桥异三核过渡金属簇合物[Fe_2MO(CH_3COO)_6Py_3]·Py(1,M=Mn;2,M=Co;3,M=Ni)和[Fe_2MO(CCl_3COO)_6(THF)_3](4,M=Mn;5,
氧心羧桥三核物通式为[M_3O(RCOO)_6L_3]~(n+)(n=1,0)虽然它在三十年代就已合成出来,但是引起人们广泛兴趣的还是近年来发现的它......
用1D-NMR和2D-NMR方法研究了EO/THF共聚醚(TEO)的溶液行为。TEO在浓溶液状态,其溶液浓度不仅使谱峰化学位移值增减,而且使峰型发生较大的变化。当改变温度时,~(13)CNMR谱......
The Synthesis and Structure of Adduct of a New Schiff Base Macrocycle with Two THF:THIONE_2B_4[36]EN
TheSynthesisandStructureofAdductofaNewSchiffBaseMacrocyclewithTwoTHF:THIONE_2B_4[36]ENE-O_6N_8·2THFZhenGuangLIN;HuaYangCHEN;YuJ...
The Synthesis and Structure of Adduct of a New SchickBase Macrocycle with TwoTHF: THIONE_2B_4 [36] ENE-O_6N_8......
以THF为溶剂,n-BuLl为引发剂,利用膨胀计对异成二烯(Ip)阴离子聚合增长反应的动力学进行了研究。结果表明,增长反应速率与单体浓度及引......
三(甲基环戊二烯基)钐和四苯基硼银在四氢呋喃和乙二醇二甲醚混合溶剂中反应合成了阳离子稀土有机化合物[(C5H4Me)2Sm(THF)(DME)][BPh4]。产物经元素分析、红外光谱......
研究了20~50℃下,以n-BuLi为引发剂,环己烷为溶剂,THF为极性调节剂的异戊二烯负离子聚合产物的微观结构。结果表明:随聚合温度升高,聚异戊二烯的3,4-结构含......
目的:对合成胸腺体液因子(thymus humoral factor,简称THF-γ2)进行纯度及结构鉴定。方法:用HPLC、毛细管区带电泳、质谱、氨基酸......
Synthesis and Crystal Structure of [Cis-1,10phenanthroline-palladium(Ⅱ)(THF)_2]dinitrate (THF = Tetr
A mononuclear complex, cis-1,10-phenanthroline-palladium(Ⅱ)(THF)2]dinitrate (THF = tetrahydrofuran) [Pd(C10H8N2)(C4H8O)......
Synthesis and Crystal Structure of Lanthanide Schiff Base Complex [2-OC_6H_4CHN(2,6-i-Pr_2C_6H_3)]_2
The lanthanide Schiff base complex [2-OC6H4CHN(2,6-i-Pr2C6H3)]2ErCl(THF) (C42H52ClErN2O3) has been prepared by the react......