N-(2-((3R,4S)-3,4-bis((tert-butyldimethylsilyl)oxy)-2-(2-hydroxy-4-methoxyphenyl)cyclopent-1-en-1-yl)phenyl)-4-methylbenzenesulfonamide 在
[双(三氟乙酰氧基)碘]苯 作用下,
以
乙腈 为溶剂,
反应 0.5h,
以12%的产率得到(1S,2'S,3'R)-2',3'-bis((tert-butyldimethylsilyl)oxy)-4-methoxy-5'-tosyl-1',2',3',5'-tetrahydrospiro[cyclohexane-1,4'-cyclopenta[c]quinoline]-2,4-dien-6-one