8-(tert-Butyl-diphenyl-silanyloxy)-6-(diphenyl-phosphinoyl)-5-oxo-octanoic acid methyl ester 在
sodium tetrahydroborate 、 cerium(III) chloride 、
4-甲基苯磺酸吡啶 作用下,
以
甲醇 为溶剂,
生成 (S)-6-[(R)-3-(tert-Butyl-diphenyl-silanyloxy)-1-(diphenyl-phosphinoyl)-propyl]-tetrahydro-pyran-2-one