In the presence of zinc halide, 2-furyllithium reacts with 2,3-O-isopropylidene-d-glyceraldehyde in a highly stereoselective manner to give the chiral and stereo-defined alcohol, 2,2-dimethyl-4-(2-furyl)hydroxymethyl-1,3-dioxolane, which is further elaborated to afford d-ribulose in three steps.
在卤化
锌存在下,2-
呋喃锂与 2,3-O-isopropylidene-d-glyceraldehyde 以高度立体选择性的方式发生反应,生成手性和立体定义的 2,2-二甲基-4-(2-
呋喃基)羟甲基-
1,3-二氧戊环。