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feiyisuosi鐵蟲 (小有名氣)
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[求助]
文獻(xiàn)幫忙翻譯下
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大神,幫忙翻譯一下啊~ Synthesis of 6,6‘-di-O-tosyl Sucrose Sucrose (10 g, 29.2 mmol) Was dissolved in 50 mL of 0.1 M NaOH. Tosyl chloride (12.3 g, 64.2 mmol) Was dissolved in 50 mL of toluene and added to the sucrose solution over 30 minutes at 22°. The pH of the reaction Was maintained betWeen 7 and 8. The 6,6‘-di-O-tosyl sucrose migrates into the toluene phase Where it is detected by TLC analysis [one ascent in methyl cyanide/Water (85/15, v/v) on Whatman K5 plates] as a UV-?uorescent compound that also gives a carbohydrate stain When the TLC plate is dipped into a solution containing 0.3% (W/v) N-(1-naphthyl)ethylene diamine and 5% (v/v) concentrated sulfuric acid in methanol, folloWed by drying and heating at 120° C. for 10 minutes. The toluene phase Was rotary evaporated to give a syrup containing the product. 謝謝~ |
木蟲 (正式寫手)
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6,6' - 二氧-對(duì)甲苯磺;崽堑暮铣 將蔗糖(10克,29.2毫摩爾)溶解在50毫升0.1摩爾每升的NaOH溶液里。甲苯磺酰氯(12.3 g, 64.2 mmol)溶于甲苯中,再將其加入蔗糖溶液22°保溫30min。反應(yīng)的pH控制在7-8之間。TLC分析【在濾紙K5板乙腈/水(85/15,V / V)的快速膨脹】檢測(cè)到6,6' - 二氧-對(duì)甲苯磺;崽且堰w移至甲苯相,作為一種熒光化合物,將TLC板浸入含質(zhì)量-體積百分濃度為3%的N-(1 - 萘基)亞乙基二胺和體積分?jǐn)?shù)5%硫酸的甲醇混合液中對(duì)碳水化合物進(jìn)行染色,然后在120°加熱10min進(jìn)行干燥。甲苯相旋轉(zhuǎn)蒸發(fā)得到含產(chǎn)品的糖漿。 有UV的那句怪怪的,我就沒管那個(gè)。 第一次參與翻譯,有不足的地方望海涵,僅供參考。 |

鐵蟲 (小有名氣)
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