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Friday, January 10, 2020

Write the Dehydration and ring expansion mechanism of following alcohol:



This reaction proceed via carbocation  intermediate  formation and ring expansion in which  a molecule of water is lost in presence of concentrate Sulphuric acid. The initially formed primary carbocation rearranges to more stable secondary carbocation which results in ring expansion.


Related Examples:
Explain Dehydration and ring expansion mechanism of 1-(1-Methylcyclopentyl)ethan-ol?
Explain the ring expansion mechanism of Bicyclic 1,2-Diols which undergoes pinacol pinacolone mechanism?
Write Dehydration and ring expansion mechanism of 1-cyclobutylethanol in the presence of con H2SO4.

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