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

1.巴豆氢加成,乙二醇缩到3-溴代丁缩乙二醇,收率80.8%。

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化学 Crash Course

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

例如,部分溴化中,因更容易被溴化物吸引, 而不是被吸引。机翻

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3G, 401(K), a,
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