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The products exhibited good solubility in common  organic solvents and were purified by silica gel column chro-matography using dichloromethane–n-hexane as eluent. Their chemical structures were confirmed with proton nuclear magnetic resonance (1 H-NMR), high resolution massspectrometer (HRMS), Fourier transform infrared spectroscopy (FT-IR) and elementary analysis (EA).
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真强必胜: 金币+1, 谢谢 2014-11-05 08:35:52
笔墨轻点: 金币+10, 翻译EPI+1, ★★★★★最佳答案 2014-11-05 10:44:03
产品在普通有机溶剂中具有良好的溶解性,并用二氯甲烷 - 正 - 己烷作为洗脱剂,通过硅胶柱层析法进行纯化。用质子核磁共振(1H-NMR),高分辨率质谱(HRMS),傅里叶变换红外光谱(FT-IR)和元素分析(EA)确认了它们的化学结构。
2楼2014-11-05 05:26:27
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