methyl (1R,4S,5S,9S,1'R,4'R)-9-hydroxy-1-(4'-hydroxy-1',5'-dimethylhexyl)-4-methylspiro<4.5>dec-ene-8-carboxylate 在
pyridinium chlorochromate 作用下,
以
二氯甲烷 为溶剂,
反应 40.0h,
以80 mg的产率得到(1R,4S,5S)-1-((R)-1,5-Dimethyl-4-oxo-hexyl)-4-methyl-9-oxo-spiro[4.5]dec-7-ene-8-carboxylic acid methyl ester