搜索 - 科创

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前两步反应我都起码做了一两百次了，简单说几个提收率的点吧。AAOF这步滴加亚硝酸钠温度10度以下，选什么酸都无所谓，滴加要足够慢，可以EA萃取爬板用高锰酸钾看丙二腈残留，这步反应不干净亚硝酸会和后面加...

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