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- Explain and show hydroboration-oxidation mechanism of trans-1,3-dimethylcyclohexane.For butenafine, develop a synthesis that starts with napthalene and benzene. (aromatic methyl groups can be converted to alkyl bromides using Br2/light, and aldehydes by heating the alkyl bromide in DMSO, eg. ArCH3 to ArCH2Br then to ArCHO).Complete the reaction and provide the major organic product of 1-epoxy-2-methylbutane addition of NaOCH3 reacting with CH3OH
- 5. Write a Full synthesis of diclofenac sodium in details (the reagents and the name of the reactions in each steps) with the reliable reference.3 Give mechanisms for the acid-catalyzed and base-promoted alpha-halogenation ofketones. Explain why multiple halogenations are common with basic catalysis andgive a mechanism for the haloform reactionSuggest an explanation for the fact that the order of reactivity of the halides toward n-butylbrosylate in acetone is Cl” > Br” > I~ when (C4H9)4N* is the cation of the halide salt butI” > Br” > Cl” when Li’ is the cation
- The hydrocrbon B undergoes catalytic hydrogenation (H2, Pd/C) to give 1-isopropyl-4-methylcyclohexane. Using the ozonolysis products for B as a guide, reconstruct the structures of B.Explain and show hydroboration-oxidation reaction mechanism for trans-1,3-dimethylcyclohexane.1-pentanol (NaBr/H2SO4) --> 1-bromopentane Propose plausible side-products (also called by-products) and write complete curved arrow mechanism for how they might be formed in the reaction.
- Solvolysis of 2-bromo-2-methylbutane in acetic acid containing sodium acetate gives three organic products. What are they?Draw the major organic product you would expect to isolate from the reaction of p-bromoethoxybenzene with a misture of HNO3HNO3 and H2SO4H2SO4.Explain the difference of reactivities for solvolysis of cis and trans - 4 -t - butyl cyclohexyl tosylate with the help of energy profile diagram. Draw an energy profile diagram Please