Chapter 7.7, Problem 11P

2. a) b) Ez Draw the products of each / elimination Фоснасня H |||| Br H3 C H Ф OCH₂CH3

(a) Add curved arrows for each step to show how A is converted to the epoxy ketone C. (b) Classify the conversion of A to C as a substitution, elimination, or addition. (c) Draw one additional resonance structure for B.

a) Draw all resonance forms of 3-hydroxybenzaldehyde and of the corresponding conjugate base. W hich conclusions can you draw for its acidity (pKa) in comparison to phenol?| b) Draw all resonance forms of 3-hydroxybenzaldehyde and of the corresponding conjugate base. Which conclusions can you draw for its acidity (pKa) in comparison to phenol and 3-hydroxybenzaldehyde? c) Discuss the relative acidities of 2-hydroxybenzaldehyd und 4-hydroxybenzaldehyd.