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- Draw reaction mechanisms with all reactants, arrows, intermediates, and products. Your mechanism must account for all the products if more than one product is formed. 4-methycyclohexanol with phosphoric acid H3PO4 to for 1-methycyclohexene, 3- methylcyclohexene and 4-methycyclohexeneWhen phosgene is treated with excess methanol, a product is formed whose "H NMR spectrum shows one peak-a singlet at 3.8 ppm. Provide a complete, CH,OH ? CI CI detailed mechanism for this reaction. PhosgeneFor each reaction, give the expected substitution product, and predict whether the mechanism will be predominantly first order (SN1) or second-order (SN2). (a) isobutyl bromide + sodium methoxide
- Identify the following pericyclic reaction; explain the course and stereochemistry of the reaction.Provide reagents/conditions to accomplish the following transformations. Label each reaction type in the steps you provide. OEt MeO OMeFor each reaction, give the expected substitution product, and predict whether the mechanism will be predominantly first order (SN1) or second-order (SN2). (a) cyclohexyl bromide + sodium ethoxide
- Identify the reagents for each of the following reactions.Provide the synthesis for the following product starting with the provide starting material. More than one step is required. Show the mechanism for each reaction. Please give details.Rank the following hydrocarbons in order of decreasing rates of light-catalyzed bromination. Give the theoretical explanation for the order. Also, give the major bromination product for each.
- give the major product of the following reactions with the appropriate stereochemistry and regiochemistryAccount for any stereochemistry, major/minor products in the following reactions. Provide mechanistic explanations for your product(s).For each reaction, give the expected substitution product, and predict whether the mechanism will be predominantly first order (SN1) or second order (SN2). (a) cyclohexyl bromide + methanol