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- When 4hydroxybutanal is treated with methanol in the presence of an acid catalyst, 2methoxytetrahydrofuran is formed. Explain.Treatment of p-bromotoluene with NaOH at 300°C yields a mixture of two products, but treatment of m-bromotoluene with NaOH yields a mixture of three products. Explain.Show the products you would expect to obtain by Claisen condensation following esters: (a) [CH3]2CHCt2CC2Et (b) Ethyl phenylacetate (c) Ethyl cyclohexylacetate
- The pKa of p-cyclopropylbenzoic acid is 4.45. Is cyclopropylbenzene likely to be more reactive or less reactive than benzene toward electrophilic bromination? Explain.The Favorskii reaction involves treatment of an -bromo ketone with base to yield a ring-contracted product. For example, reaction of 2-bromocyclohexanone with aqueous NaOH yields cyclopentanecarboxylic acid. Propose a mechanism.