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wkiss銀蟲(chóng) (小有名氣)
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[求助]
請(qǐng)教一個(gè)反應(yīng)
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請(qǐng)教各位高手一問(wèn)題:用丙酮和TMSCl上丙酮叉的反應(yīng)需要注意什么,在文獻(xiàn)上看到有做到100%的,我自己做的差很多,原文獻(xiàn):A mixture of per-Ac-lactose (600 mg, 1.63mmol), acetone (10 mL), and trimethylsilyl chloride (4 mL) was stirred at room temperature under N2. After 3 h, the mixture was suspended with hexane (10 mL) and evaporated under reduced pressure to give 10 (660 mg, 100%) without further purification,直接按照這個(gè)做沒(méi)什么問(wèn)題么?這個(gè)反應(yīng)有沒(méi)有需要注意的事項(xiàng)? |
銀蟲(chóng) (小有名氣)
銀蟲(chóng) (初入文壇)
銀蟲(chóng) (小有名氣)
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