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nickywgh

金虫 (正式写手)

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editorlin

木虫 (正式写手)

呵呵,楼主得找懂德语的朋友。
广结纳米材料同好,乐谈学术论文写作!editorlin@sina.com或hqgcxyxb@sina.com
2楼2011-09-25 23:23:41
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xiaoqihu

铁杆木虫 (著名写手)

【答案】应助回帖

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爱与雨下(金币+1): !~ 2011-09-26 12:09:25
化合物3的合成

0.01mol的化合物1和0.015mol的化合物溴代物2在无水吡啶里面80度搅拌4-6小时,然后倒入浓硫酸37ml和200g的混合物中,析出物用甲醇重结晶几次,收率在85-100%
不是不追求,而是不强求
3楼2011-09-26 10:08:06
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