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Primary (1°) alcohols are poor starting materials for the synthesis of 1-alkenes. Why ?

Because the 1°carbocation RCH2+ rearranges and a 2-alkene is formed. Even if a 1-alkenes forms it tends to rearrange in acid to a 2-alkene.

Related Questions:

To synthesize 2, 3-dimethylbut-1-ene in the better yield dehydrohalogenation of 2, 3-dimethyl-1-bromobutane is preferred over dehydration of 2, 3-dimethylhutan-1-ol. Why ?


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