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What is the reaction mechanism and products for 1-ethyl-2-hydroxyl-cyclohexane with concentrated H3PO4?
Accepted Answer
The reaction of 1-ethyl-2-hydroxyl-cyclohexane with concentrated H3PO4 proceeds via an E1 mechanism. The protonation of the hydroxyl group by H3PO4 leads to the formation of a protonated alcohol, which heterolytically cleaves to generate a carbocation. The carbocation then undergoes elimination of a proton from the adjacent carbon to form the alkene product. The major product of the reaction is 1-ethyl-cyclohexene.
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