8 Intramolecular Claisen Condensation E)Michael Addition followed by intramolecular Aldol Ans:D 9.Why is the following reaction typically done? HSCH2CH2CH2SH H 3C }8mtckeoetgansoihio To render the molecule inert to organometallic reagents To make the aldehyde CH more acidic To render the molecule more fragrant rohe aeydeuco Page5 Page 5 8. The Dieckmann reaction is best described by which of the following statements? A) Intermolecular Aldol Condensation B) Intramolecular Aldol Condensation C) Intermolecular Claisen Condensation D) Intramolecular Claisen Condensation E) Michael Addition followed by intramolecular Aldol Ans: D 9. Why is the following reaction typically done? S C S H3C H C H3C H O HSCH2CH2CH2SH HCl A) To protect the aldehyde against oxidation B) To render the molecule inert to organometallic reagents C) To make the aldehyde CH more acidic D) To render the molecule more fragrant E) To protect the aldehyde against reduction Ans: C