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yinfaji新蟲 (小有名氣)
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[求助]
一段簡單實驗記錄
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請盡可能的流暢,謝謝。 To a solution of the 原料 (2 mmol) in 二氯甲烷 (5 mL) was added 硼烷 (5 mg, 0.01 mmol) and 硅氧烷 (4 mmol) and the solution was stirred at room temperature for a period of time (monitored by TLC). Water was added to the reaction mixture and was extracted with 二氯甲烷 (3 x 5 mL). The combined organic layers were washed with brine, dried over anhydrous sodium sulphate, concentrated under vacuo and the crude product was purified by flash chromatography. |
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鐵桿木蟲 (著名寫手)
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至尊木蟲 (職業(yè)作家)
尋章摘句老雕蟲

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