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fanglibo04

铁虫 (小有名气)

[交流] 求助几句话的翻译 谢谢

The crude product was purified on silica eluting first with hexanes and toluene (3:1) while slowly moving to a mobile phase of hexanes and toluene (1:1). A second silica column was needed to purify theproduct completely (eluent = hexanes and DCM (1:1)) to deliver 430 mg of the desired product as a brick red powder
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cfk580713

至尊木虫 (著名写手)

fanglibo04(金币+2, 翻译EPI+1):谢谢 2010-04-18 21:29
粗产品通过硅胶柱色谱提纯,淋洗剂首先为正己烷/甲苯(3:1),之后缓慢将流动相改为正己烷/甲苯(1:1)。为了完全提纯产品,需要走第二根硅胶色谱柱(流动相为正己烷和二氯甲烷(1:1)),可得到430 mg砖红色粉末状目标产物。

[ Last edited by cfk580713 on 2010-4-17 at 22:20 ]
2楼2010-04-17 22:08:20
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benmao_mogu

铁杆木虫 (著名写手)

天然产物是洁净的脱洗己烷首次对介孔硅胶材料/甲苯(3:1),而慢慢地移动到一个流动相的己烷/甲苯(1:1)。第二个硅胶柱需要净化产品完全(洗脱液= 己烷和DCM(1:1))提供430毫克的所需的产品作为一种砖红色粉末。
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3楼2010-04-17 22:50:57
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