(2S,3S,4S)-5-{2-[(2E,4E)-(R)-6-(4-Chloro-3-methoxy-5-methylamino-phenyl)-1-methoxy-5-methyl-hexa-2,4-dienyl]-[1,3]dithian-2-yl}-4-(2-methoxy-ethoxymethoxy)-3-methyl-pentane-1,2-diol 在
lead(IV) acetate 、
potassium acetate 作用下,
以
乙腈 为溶剂,
以95%的产率得到(2R,3S)-4-{2-[(2E,4E)-(R)-6-(4-Chloro-3-methoxy-5-methylamino-phenyl)-1-methoxy-5-methyl-hexa-2,4-dienyl]-[1,3]dithian-2-yl}-3-(2-methoxy-ethoxymethoxy)-2-methyl-butyraldehyde