試題詳解

3.Why is sodium methoxide not used in the Claisen condensation of ethyl acetate?
(A) The methoxide is a weaker base than the ethoxide which is used.
(B) sodium methoxide is more difficult to prepare than sodium ethoxide.
(C) The methoxide would abstract a proton from the ethyl group of the ester.
(D) Use of sodium methoxide would result in transesterification.
(E) sodium methoxide can be used as well as sodium ethoxide.