問題詳情
5.In the following substitution reaction, diastereoselectivity. After analyzing the ster compound A was converted to compound B in excellent ereochemcal relationship between A and B, it was proposed that chloride attacked a key intermediate, resulting in the forination of B. The structure of the key intermediate is most likely to be:
(A)
(B)
(C)
(D)
(E)
