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| 本帖產(chǎn)生 1 個 翻譯EPI ，點擊這里進行查看 | ||
fengyulz新蟲 (小有名氣)
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[求助]
簡單的小段英文 【化學(xué)實驗操作】
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本來想付費請公司翻譯的，但就那么兩段... 名詞不需要翻譯，還有單位，例如HTIB、2-phenyl-1-pentene、H2O這些，單位是指mmol、g、ml、mg這些，統(tǒng)統(tǒng)都不需要譯出來。 意思我都看得懂，但因為要寫在文章里的，所以要翻得順暢。感謝感謝。 Crystalline HTIB (3.92g, 10mmol) was added to a magnetically stirred solution of 2-phenyl-1-pentene (1.60g, 10.9mmol) in 95% methanol (45mL). The HTIB dissolved rapidly (15s) with mild heat evolution (41℃) to give a colorless solution. After 20 min at room temperature, the solution was concen trated under aspirator vacuum, and the oily mixture that remained was partitioned between CH2Cl2(40mL) and H2O(40mL). The organic layer was washed with H2O(2•40 mL) and brine(35 mL), dried over MgSO4, and concentrated to a colorless oil(2.66g). Flash column chromatography of the oil on silica gel with 10% EtOAc/hexanes gave 1-phenyl-2-pentanone[2] as a colorless oil;1.43g (88%); A soln. of [ 2] (1.746g,10mmol),N-bromosuccinimide(1.783g,10mmol),and 10mg AIBN in CCL4 (40ml) was heated under reflux for 1 h.After is was allowed to cool to r.t.,the precipitated succinimide was removed by filtration and the solvent by distillation:crude product (1.53g,100%). |
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【答案】應(yīng)助回帖
★ ★ ★ ★ ★ ★ ★ ★
fengyulz: 金幣+8, 翻譯EPI+1 2017-07-01 23:40:31
fengyulz: 金幣+8, 翻譯EPI+1 2017-07-01 23:40:31
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2-苯基-1-戊烯溶于95%甲醇中，攪拌下加入HTIB，HTIB迅速溶解并稍放熱，得無色溶液。20min后，水泵抽真空濃縮反應(yīng)液，得油性混合物，用二氯和水萃取。有機相經(jīng)水、食鹽水洗滌，硫酸鎂干燥，濃縮得無色油狀物，經(jīng)硅膠柱層析（10%乙酸乙酯/正己烷）分離得無色油狀1-苯基-2-戊酮【2】 【2】，NBS和AIBN溶于CCl4，加熱回流1h，冷卻至室溫，濾去琥珀酰亞胺固體，蒸除溶劑，得粗品。 具體數(shù)值自己補上 |
2樓2017-07-01 17:15:54
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