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- Its stucture was investigated through IR,1H NMR and mass spectrum. 用红外光谱、核磁共振氢谱和质谱推测了产物的结构。
- S/B block copolymer was characterized by GPC, 1H NMR, IR, DSC. 透射式电镜能明显地观察到聚合物的微观相分离结构。
- The structure of isorotenone was confirmed by 1H NMR. 目标产物经核磁共振谱确证。
- The structures of the products were confirmed by IR,1H NMR,13C NMR,HRMS(EI+). 产物结构经IR1、H NMR1、3C NMR、HRMS(EI+)确证.
- The structures of new compounds 7 and 8 were identified by 1H NMR, 13C NMR and HRMS spectra. 新化合物7,8经核磁共振氢谱、碳谱和高分辨率质谱予以证实。
- A novel ruthenium complex, [Ru(phen) 2CPIP](PF 6) 2, have been synthesized and characterized by EA, 1H NMR and ES-MS. 目的与方法合成了一种新型钌多吡啶配合物 [Ru(phen) 2 CPIP](PF6) 2 ,采用元素分析、核磁共振和电喷雾质谱对配合物进行表征 ,并采用电子吸收光谱和荧光光谱对配合物与DNA相互作用的性质进行研究。
- The structures of the prod- ucts were confirmed by 1H NMR, MS, NOE, HMBC and HMQC spectra. 化合物的结构经1HNMR;MS;NOE差谱;HMBC;HMQC确定.
- The structures of the products were identified with FTIR, 1H NMR, 13C NMR and HRMS spectra. 所合成的4个新化合物的结构均经FTIR;1HNMR;13CNMR及HRMS确证.
- Purified by recrystallization,their purity were 98.2%and 98.8%. Their data of IR,UV,1H NMR were accord with references. 将产物分别经过重结晶处理;得到纯度为98.;2%25的藏红花酸和98
- IR, 1H NMR and GLC and chemical analysis method were used to characterize PEG20000. 经过红外、核磁共振、凝胶色谱、化学分析等方法对产物进行了表征。
- Acylferrocene oxime was synthesized and characterized by IR, element analysis, 1H NMR and mass spectrometry. 摘要合成了酰基二茂铁肟,通过红外光谱、元素分析、质谱对结构进行了表征。
- Triethyleneglycol monomethacrylate (TREGMA) was synthesized by two steps and characterized using IR and 1H NMR. 采用两步合成路线合成了二缩三乙二醇单甲基丙烯酸酯(TREGMA),并对其结构进行了表征;
- The structures of the target molecules and the key intermediates were confirmed by 1H NMR, 13C NMR and IR spectra in our experiments. 关键中间体及最终化合物的结构经核磁共振氢谱、碳谱及红外光谱确证。
- The fifteen novel compounds synthesized were characterized by 1H NMR spectroscopy and elemental analysis with some being further confirmed by LC/MSD. 所得 15个新型化合物的结构均经 1 HNMR、元素分析确证 ;部分化合物经LC MSD确证 .
- Chronoamperometric response of NI, FTIR and 1H NMR indicated that the polymerization potential had a great effect on the quality of PNI films. 然而,强吸电子基团硝基取代通常会导致单体具有较高的氧化电位,得到的导电高分子质量很差。
- The structures of extracted lappaconitine and the lappaconitine hydrobromide were characterized by IR, elemental analysis, 1H NMR, 13C NMR and MS. 并用红外光谱、元素分析、核磁谱和质谱等测试技术对刺乌头碱及其氢溴酸盐进行了表征。
- We have recorded the 1H NMR spectra of t-butyl-carbazole-quinacridone compounds in CDCl3 over a range of concentrations. 我们选择叔丁基咔唑-喹吖啶酮系列化合物来考察化合物的浓度依赖1H NMR谱。
- Four pyrazoles and their new heterocyclic acylamide derivatives were synthesized and characterrized by elemental analysis, IR, 1H NMR and 13C NMR. 关键词:吡唑衍生物,杂环酰胺,合成,表征|全部关键词
- Limonin and nomilin were isolated from seeds of Citrus sinensis Osbeck.Their structures were determined by IR,1H NMR and MS spectra. 从甜橙种子中提取纯化了的2种柠檬苦素类化合物,经熔点、红外光谱、核磁共振测定为柠檬苦素和诺米林。
- Nonatural Amino Acids,N protected D (L ) 4 Pyridyl alanine was Synthezed.It was identified by optical analysis、 1H NMR、IR and elementary analysis. 合成了非天然氨基酸N保护的D(L)4吡啶丙氨酸,其结构分别通过旋光度、核磁共振、红外、元素分析得到确证。