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N-[2-(4-chlorophenyl)-1-(1-methylcarbamoyl-2-phenyl-ethylcarbamoyl)-3-phenyl-cyclopropyl]benzamide,C33H30ClN3O3,has been synthesized and characterized by IR,1H NMR,13C NMR and single-crystal X-ray diffraction.The crystal is of triclinic,space group P1 with a = 11.646(2),b = 13.795(3),c = 14.559(3),α = 76.422(4),β = 78.028(4),γ = 74.500(4)°,V = 2164.6(7)3,Z = 3,Mr = 552.05,Dc = 1.270 g/cm3,λ = 0.71073 ,μ(MoKα)= 0.171 mm–1,F(000)= 870,the final R = 0.0469 and wR = 0.0805 for 5554 observed reflections with I > 2σ(I).The N–H and oxygen atoms are involved in one-dimensional intermolecular hydrogen bonds,which further stabilize the structure. 相似文献
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以(-)-葑酮为原料经中间体葑胺合成4-葑基氨基硫脲(4), 4与醛缩合得到11个未见文献报道的葑基缩氨基硫脲(5), 5用六氰合铁(III)酸钾氧化成环得到相应的2,5-二取代-1,3,4-噻二唑类化合物(6); 产物的结构经IR, NMR和元素分析确认, 并用X射线衍射法测定化合物6d的晶体结构. 化合物6d属单斜晶系, P2(1)空间群, 晶胞参数 a=1.18719(10) nm, b=1.48814(18) nm, c=1.21629(12) nm, β=118.113(2)°, Mr=343.48, V=1.8953(3) nm3, Dc=1.204 Mg/m3, Z=4, λ=0.071073 nm, μ(Mo Kα)=0.181 mm-1, F(000)=736. 相似文献
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2-(4-Decarboxydehydroabietyl)-5-p-toyl-[1,3,4]-oxadiazole, C28H34N2O, has been synthesized and characterized by IR, NMR, elemental analysis and single-crystal X-ray diffraction method. The crystal belongs to the orthorhombic system, space group P212121 with a = 6.1351(5), b = 14.8495(19), c = 25.9050(2) A, V = 2360.0(4) A3, Z = 4, Mr = 414.57, Dc = 1.167 Mg/m^3, 2 = 0.71073 A,μ(MoKa) = 0.070 mm^-1, F(000) = 896, the final R = 0.0452 and wR = 0.1076 for 1647 observed reflections with I 〉 2σ(I). There are five rings in the crystal structure of the title compound, but the oxadiazole ring is non-coplanar with the benzene ring D. 相似文献
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蜂王酸经醋酐酯化后与己基哌嗪发生酰化反应,再与不同的卤代烃季铵化,合成了8个己基哌嗪季铵盐(5a~5h),其结构经NMR,MS和IR表征。考察了5对乙酰胆碱酯酶(AChE),丁酰胆碱酯酶(BuChE),金黄色葡萄球菌的抑制作用,结果表明5对AchE和BuchE都有一定的抑制活性,其中5c对AChE的抑制能力最强(IC50=4.23μmol.L-1);5e对BuChE的抑制效果最好(IC50=2.81μmol.L-1);5c,5e和5f在用量为0.05g·L-1时,对金黄色葡萄球菌均具有较好的抑制作用。 相似文献
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以二茂铁二甲酸为原料,经酯化、部分水解、与叠氮化钠反应、在叔丁醇中发生Curtius重排得到11-甲酸甲酯-1-叔丁氧胺基二茂铁(5),5经三氟乙酸脱保护、与(z)-2-苯基-4-苯甲基噁唑-5-酮反应,合成了含α,β-不饱和氨基酸残基的二茂铁-肽缀合物CH3O-Fc-NH-APhe-COPh (7) (△Phe为α,β-不饱和苯丙氨酸).用红外、核磁、质谱和元素分析对其结构进行鉴定和表征.用循环伏安(CV)法对产物的电化学性能进行研究,结果表明化合物7的氧化峰和还原峰的电位分别为0.802和0.714 V,峰电位之差△Ep为88 mV,峰电流密度之比Jpa/Jpc为1.06.用荧光光谱研究了近生理条件下化合物7与牛血清白蛋白(BSA)的相互作用,结果表明化合物7与BSA间的相互作用为静态猝灭过程,反应结合位点数为0.93,结合常数为3.8×104 L·mol-1. 相似文献