P-methoxybenzeneacetonitrile was prepared in 34. 8% yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.
以苯料,经过氯基,氰反应后,通过精馏获氧基苯乙腈,总收率34.8%。
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During fractional distillation, hydrocarbons are separated according to their......- Melting point.
馏过程中烃类是以什么的?- 熔。
In the process of fractional distillation, diesel is extracted first, followed by gasoline as the crude is refined further.
在馏过程中,柴油首先被提取,然后汽油随着原油的进一步精炼而被提取。
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