8-(tert-Butyl-dimethyl-silanyloxy)-3-hydroxy-2,5,5-trimethyl-1-((1R,4R)-4-methyl-2-triethylsilanyloxymethyl-1,4-bis-trimethylsilanyloxy-cyclopent-2-enyl)-dec-6-yn-1-one 在
吡啶 、
chromium(VI) oxide 作用下,
以
二氯甲烷 为溶剂,
反应 6.0h,
以72%的产率得到(3R,5R)-5-[8-(tert-Butyl-dimethyl-silanyloxy)-2,5,5-trimethyl-3-oxo-dec-6-ynoyl]-3-methyl-3,5-bis-trimethylsilanyloxy-cyclopent-1-enecarbaldehyde