Question

answer all questions if possible.

VI. Pre-Lab Problems 1. Draw the complete curved-amow mechanism for the base-catalyzed aldol com adol condemnation to form dehydrorheosmin (or dehydrozingerone) from acetone ar (or dehydrozingerone) from acetone and 4-rwydroxybenzaldehyde for varwin) (2 points) HGH HO Ho7 - o nucophilic Atau dehydration 2. Describe at least two different limitations to the aldol reaction. (1 point) 3. Provide the product for the intramolecular aldol reaction below. (1 point) i i NaOH. 4. Provide the starting reagents for the aldol condensation reaction below. (1 point) NaOH 5. Provide the product for the reaction below. (1 point) Br NaOH Eastern Kentucky University Department of Chemis

Answer 1

-O-H O HO HO HO HO HOVO НО 05 HO 2. a) The aldehyde or ketone with no alpha-hydrogen, do not show Aldol reaction. b) With aldehyde, equilibrium of the reaction favors products c) With ketone, equilibrium of the reaction favors starting material 'ha U-8-2-8 polo e soli ob moon