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yinfaji

新虫 (小有名气)

[求助] 求翻译一段实验操作记录

注:所有的“名词”如果试剂名无需翻译。

General Procedure for Defunctionalization of Carbonyl Group with PMHS-B(C6F5)3. To a solution of carbonyl compound (1 mmol) in dry CH2Cl2 (5 mL) and tris (pentafluoro phenyl) borane (5 mol %) was slowly added polymethylhydro-siloxane (3 mmol) at room temperature. After 5-20 min, a vigorous effervescence (like foam) was observed. At this point,the solvent was evaporated and reaction mixture was dissolved in hexane and filtered through a silica gel pad using hexane.
Evaporation of the volatiles afforded the reduction product in pure form.
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频回眄睐

至尊木虫 (职业作家)

【答案】应助回帖

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yinfaji: 金币+10, 翻译EPI+1 2012-05-07 05:04:19
爱与雨下: 金币+1 2012-05-19 20:06:40
sltmac: 金币+5 2012-05-22 07:58:55
用PMHS-B(C6F5)3进行去酰基的一般操作步骤。在室温下向1 mmol酰基化合物的二氯甲烷溶液和5 mol %的三-5-氟苯基硼烷混合液中缓慢加入3 mmol多甲氧基硅烷。5至20分钟后, 将出现大量泡末。这时旋干溶剂,反应混合物用正己烷溶解,硅澡土过滤。旋干即得纯净的还原产物。
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2楼2012-05-05 20:09:42
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