2,2-dimethyl-5-(triphenylphosphoniomethyl)-4H-1,3-benzodioxin chloride 、
(4S,5S)-2-Oxo-5-((E)-propenyl)-[1,3]dioxolane-4-carbaldehyde 生成 (4R,5S)-4-[(Z)-2-(2,2-Dimethyl-4H-benzo[1,3]dioxin-5-yl)-vinyl]-5-((E)-propenyl)-[1,3]dioxolan-2-one 、
(3'R,4'S,1'E,5'E)-5-(3',4'-carbonyldioxy-1',5'-heptadienyl)-2,2-dimethyl-4H-1,3-benzodioxin