{(2R,6R)-6-[(2S,4S)-2-(2-{(E)-3-[(2R,3S,4S,5R,6R)-4-(2,4-Dimethoxy-benzyloxy)-6-((E)-2-iodo-1-methyl-vinyl)-3,5-dimethyl-tetrahydro-pyran-2-yl]-propenyl}-oxazol-4-yl)-[1,3]dioxan-4-ylmethyl]-4-methylene-tetrahydro-pyran-2-yl}-acetaldehyde 在
phosphate buffer 、
2,3-二氯-5,6-二氰基-1,4-苯醌 作用下,
以
二氯甲烷 为溶剂,
以98%的产率得到{(2R,6R)-6-[(2S,4S)-2-(2-{(E)-3-[(2R,3R,4S,5R,6R)-4-Hydroxy-6-((E)-2-iodo-1-methyl-vinyl)-3,5-dimethyl-tetrahydro-pyran-2-yl]-propenyl}-oxazol-4-yl)-[1,3]dioxan-4-ylmethyl]-4-methylene-tetrahydro-pyran-2-yl}-acetaldehyde