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以自制的漆原镍作催化剂,在45℃常压下将间硝基三氟甲苯氢化还原为间三氟甲基苯胺,收率达98%,催化剂能重复使用9次。 相似文献
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标题化合物(C13H15FeNO)由二茂铁甲酰肟与乙酸乙酯经一锅煮方法制得,其结构通过元素分析,1HNMR,13CNMR,IR和单晶X-射线衍射法确定,化合物具有一维无限链状结构。其晶体属正交晶系,Pbca空间群,M r:257.11,a=9.6101(19),b=9.2313(18),c=25.869(5),v=2295.0(8)3,z=8,D c=1.488Mg.m-3,u=0.71073,F(000)=1072,最终偏离因子为R=0.0517,wR=0.0877。 相似文献
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合成了2-苯氧基乙酸苯胺(1),其结构经X-射线单晶衍射表征.结果表明,1属于单斜晶系,P2(1)空间群,晶胞叁数为:a=13.422(3)A,b=6.740(17)A,c=15.645(4)A,α=90.000°,β=110.047(5)°,γ=90.000°,V=1 329.6(6)nm3Z=4,Dr=1.225 mg·cm-3,F(000)=520,μ=0.086 mm-1,R1=0.104 7,R2=0.059 1,ωR1=0.123 7,ωR2=0.107 9.1通过分子间氢键形成层状结构. 相似文献
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用单扫示波极谱法,在生理盐水底液中,25℃时邻硝基对甲基苯胺于-0.82±0.01伏(SC)处有一良好的二阶导数还原峰,浓度为2×10(-8)-1×10(-5)mol/L时,与峰电流呈良好的线性关系,可作分析测定,检测限为1×10-8mol/L。许多无机离子不干扰测定。此外,还证明其电极过程为吸附过程,n=4,提出了电极反应机理。 相似文献
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界面聚合自组装合成三维多孔网络状聚邻甲基苯胺 总被引:1,自引:0,他引:1
采用界面聚合法在植酸的辅助作用下自组装合成具有连续三维多孔网络结构的聚邻甲基苯胺(POT)。采用扫描电镜(SEM)、氮气吸附和接触角测定的手段,研究了POT的微观结构、比表面积和亲水性。结果表明:当植酸浓度为0.3mol/L,聚合温度为10℃时,POT呈现三维多孔网络状形貌,开孔尺寸为0.2~1μm,且网络上附着粒径不足200nm的聚合物颗粒。该POT具有相对较高的电导率(7.52×10-3 S/cm)和比表面积(37.5 m2/g)以及较好的亲水性(接触角为34°)。在聚合过程中,多官能团的植酸既是掺杂剂又是交联剂,其与聚合物链的相互作用是该自组装行为的驱动力。 相似文献
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以乙醇钠作碱,用二正丁基二氯化锡或三正丁基氯化锡与二苯基硫代卡巴腙反 应,合成了二正丁基锡二(二苯基硫代卡巴腙)[(n-Bu)_2Sn(sN_4C_13H_11)_2].通 过元素分析、红外光谱、紫外光谱和核磁共振氢谱对其结构进行了表征.用X射线 单晶衍射测定了该化合物的晶体结构。化合物为单斜晶系,空间群P2_1/c,α=2 .0215(7)nm,b=1.3103(5)nm,c=2.8171 (10)nm,β=95.412(7)°,Z=8, V=7.428(5)nm~3,Dc=1.330g/cm~3,μ=0.834 mm~-l, F(OOO)=3056, R_l=0.0575, wR_2=0.0959.化合物中,中心锡原子为六配位畸变八面体构型 相似文献
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KUANG Dai-Zhi JIANG Jiang-Ping FENG Yong-Lan ZHANG Fu-Xing WANG Jian-Qiu LUO Yi-Ming 《结构化学》2008,27(1):35-38
The tetra(o-cyanobenzyl)tin compound has been synthesized by the reaction of cyanobenzyl chloride with tin, and its molecular structure was characterized by elemental analysis, IR spectra, ^1H NMR and X-ray diffraction. Crystal data for this compound: monoclinic, space group C2/c, Mr = 583.24, a = 1.9629(2), b = 1.05967(13), c = 1.41249(18) nm, β= 118.180(2)^o, V = 2.5898(5) nm^3, Z = 4, Dc =1.496 g/cm^3, μ(MoKa) = 1.015 cm^-1, F(000) = 1176, R = 0.0189, wR = 0.0497 (observed reflections with I 〉 20(I)) and R = 0.0218, wR = 0.0513 (all reflections). The molecular structure adopts a distorted tetrahedral geometry around the tin atom. The Sn'"N weak interaction between the Sn and N atoms of cyano forms an intermolecular H-bonding, and the bond length is 0.3570 nm; the interaction between hydrogen of methylene and benzene ring of benzyl forms C-H…C with its bond length of 0.2817 nm; and the interaction among hydrogen of benzene ring and carbon of cyano forms Ph-H…C bond (0.2897 nm) Of the σ…π interaction. A 3D chain structure is formed by the above weak intermolecular interactions. 相似文献
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A Cu(Ⅱ) complex [Cu(L)1.5(OSO3)]·3H2O (1) [L=1,4-bis(imidazol-1-yl)benzene] was synthesized by reaction of ligand L with CuSO4·5H2O using solvothermal method and its structure was determined by X-ray crystal structure analysis. The structure indicates that the complex crystallizes in triclinic, space group P1 with a=0.948 8(2), b=1.078 5(2), c=1.108 4(2) nm, α=74.820(2), β=81.331(2), γ=72.638(2)°, V=1.041 5(3) nm3, Z=2, Dcalc=1.687 g·cm-3, F(000)=544, μ=1.205 cm-1, the final R=0.062 3 and wR=0.132 8. The Cu(Ⅱ) atom has distorted square-pyramidal environment with a N3O2 donor set. Each L ligand links two Cu(Ⅱ) atoms using its imidazole groups to form an infinite one-dimensional (1D) ladder-like chain, which further linked by SO42- to form a two-dimensional (2D) network structure. The 2D sheets are further connected by C-H…O hydrogen bonds to give a three-dimensional (3D) structure. CCDC: 650388. 相似文献
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1INTRODUCTIONTheinvestigationofthestructureoforganolanthanidecompoundshasbeenofin-terestformanyyearsbeacuseitisimportanttointerpretthebondingandchemicalpropertiesoflanthanidecompounds.Toextendourknowledgeofmonoindenyldichlorolanthanides,thecompoundswithgeneralformula(C,H,)LnCI,(Ln~Eu,Ho)weresynthesizedandtheirstructuresweredetermined.Inanattempttoprepare(C,H:)EuCI,,afinecrystalEuCI,(OC.H,).wasobtainedasanunexpectedresult.Itwasfirstfoundthattitlecompoundcancrystallizeindifferentcrys… 相似文献
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KSmLaF6的合成和结构许莉*吴国庆(浙江大学化学系杭州310027)(北京师范大学化学系北京)关键词二价钐,氟化物,合成,结构1996-11-30收稿,1997-06-03修回国家自然科学基金资助课题钐离子是主要的变价稀土离子之一,特别是在用Sm... 相似文献
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在甲醇体系中合成了镉配合物[Cd(L)2(H2O)2](ClO4)2·MeOH
(1)[L=1,3,5-三(3-吡啶基甲氧基)苯]。通过元素分析及X-射线单晶衍射对其进行了表征。结构分析结果表明该化合物属于三斜晶系,P1空间群,晶胞参数为a=1.057 1(5) nm,b=1.059 0(5) nm,c=1.270 8(7) nm,α=87.460(16)°,β=81.895(17)°,γ=62.326(14)°,晶胞体积V=1.247 0(11)
nm3,Z=1,Dcalc=1.569 g·cm-3,F(000)=604,μ=6.26
cm-1,R=0.035 2,wR=0.066 4。在化合物1中,每个Cd(II)的配位环境为变形八面体,而每个配体L通过其两个吡啶基团连接2个Cd(II)形成一维链状结构,并进一步通过O-H…N,O-H…O和C-H…O氢键作用形成了一个具有三维结构的超分子化合物。 相似文献
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1INTRODUCTIONTheresearchonorganicpolyaminesiscur-rentlyofgreatinterestbecauseoftheirpotentialapplicationsasusefulorganicligands,inwhichtheaminenitrogenatomshavestrongcoordinationabilitytothetransitionmetalions.Theirtransitionmetalcomplexesplayanexcellentr… 相似文献