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2013422新蟲 (正式寫手)
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[求助]
把下面翻譯成英語
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| 建立由白藜蘆醇合成乙酰化白藜蘆醇的最佳合成工藝。【方法】用油浴鍋加熱白藜蘆醇和乙酸酐合成乙;邹继J醇。經(jīng)樣品純化后得到干燥品,依次進行紅外光譜、紫外光譜、核磁共振氫譜和碳譜和質(zhì)譜的測定!窘Y(jié)果】合成的最佳工藝條件為:溫度135℃,反應時間2h。樣品純化方法為重結(jié)晶。經(jīng)譜圖綜合解析,對白藜蘆醇的結(jié)構(gòu)進行鑒定!窘Y(jié)論】該合成工藝簡單可行,所得產(chǎn)物純度高。 |
金蟲 (正式寫手)
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Setting up the best synthesis process of acetyl trans-resveratrol which is synthesized by resveratrol. 【 method 】Heating resveratrol and acetic anhydride by oil bath pot to synthesize acetyl trans-resveratrol. Getting anhydrous substance after purifying the sample, then measuring the IR, UV, nuclear magnetic resonance hydrogen,carbon spectrum and mass spectrum. 【 result 】The optimal technological condition of synthesis is: 135 ℃ of temperature, 2h of reaction time, and recrystallization as the method of purifying sample. Identifying the structure of resveratrol with comprehensive analytical spectrogram. 【 conclusion 】 The synthesis process is simple and feasible,with high purity of the product. |
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