問題詳情

46. The formula of brevicomin, a pheremone of the western pine beetle, is shown below. What open chain ketodiol wouldclose to this bicyclic acetal? (ignore stereoisomer issues) 

 
(A) 7,8-dihydroxynonan-3-one
(B) 6,7-dihydroxynonan-3-one
(C) 7,8-dihydroxynonan-2-one
(D) 6,7-dihydroxynonan-2-one
(E) 6,7-dihydroxynonan-4-one

參考答案

答案:D
難度:簡單0.75
統計:A(0),B(0),C(0),D(3),E(0)