help please and thank you 4. Which of the following combinations is the ideal on

Question

help please and thank you 4. Which of the following combinations is the ideal one for a mixed Claisen condensation? 6. Which of following conditions must be met for a Claisen condensation to proceed with a reasonably yield? A. The starting ester cannot have any protons B. The starting ester should have at least 1 proton C. The starting ester should have at least 2 protons D. The starting ester should have at least 3 protons 14. Which of the following works best as a base to quantitatively convert ethyl acetate CH3CO CH2CHs, to its enolate? A. NaOH B. KOC(CH),C. CHyLi D. [(CHs) CH NLi 15. The following compound can be synthesized by a mixed Claisen condensation. Identify the two compounds which give this condensation product. o O OCH CH, A) CH,CCH2CH and HCO CH CH, B) CHCO CH-CH and CH,CH CO CH,CH, C) CoHSCO CH2CHs and CH,CO.CH,CH, D) CoH CH and CEH3CH2CO2CH2CH

Explanation / Answer

4) A

mixed claise condensation mens between two different esters which having alpha hydrogen that is there in A

6) B

14) D

15) B)

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