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Bromobutyraldehyde ethylene acetal was synthesized from crotonaldehyde by addition with hydrogen bromide and then acetalation with ethylene glycol with an overall yield of 80.

醛先与化氢加成,与乙二醇缩醛化得3-丁醛缩乙二醇,收率80.8%。

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For instance, partial charges occur in hydrogen bromide because the electrons are more attracted to the bromide than they are to the hydrogen.

如,部分电荷出现在溴中,因为电子更容易被溴引, 而不是被引。

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3G, 401(K), a,
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