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- Draw the products of each reaction using the two-part strategy from Sample Problem 10.7.18. Which of the following reactions from the products shown? Choose all correct answers.Explain why the pKa of p-nitrophenol is 7.14, whereas the pKa of m-nitrophenol is 8.39. (Hint: Draw the resonance contributors.)
- Draw the products formed when A or B is treated with fo following agent. In some cases, no reaction occurs. [1] CH3MgBr (excess); [2] H2OProblem 8.1 a) Choose the most atom economical protecting group (PG) for the alcohol that would be stable to the strong basic Horner-Emmons reagent in the reaction with the aldehyde to make the alkene given below (picture attached). b) What is the approximate pKa of a primary alcohol? Estimate the pKa of the Horner-Emmons conjugate acid (H instead of Li) based on the pKa of a simple beta -diester. c) Draw an acid-base reaction between an alcohol and a beta diester base. Which side would the equilibrium be skewed towards? By how many orders of magnitude? d) How could you avoid the need for a protecting group in this reaction?An allylic alcohol contains an OH group on a carbon atom adjacent to aC—C double bond. Treatment of allylic alcohol A with HCl forms amixture of two allylic chlorides, B and C. Draw a stepwise mechanismthat illustrates how both products are formed.
- Problem 2: Consider the following reaction. Using mechanism and less than 30 words explain the outcome of this reaction.Draw the major organic product of each reaction. Indicate the stereochemistry a. Draw product 1. If the C−OC−O bond breaks, assume inversion of configuration. b. Draw product 2.also answer y product 2 is formed instead of product 3