(1R,2R,5S)-2-Formyl-1,2-dimethyl-5-(tetrahydro-pyran-2-yloxymethyl)-cyclopentanecarboxylic acid benzyl ester 在
palladium on activated charcoal
氢气 作用下,
以
乙酸乙酯 为溶剂,
以82%的产率得到(1R,2R,5S)-2-Formyl-1,2-dimethyl-5-(tetrahydro-pyran-2-yloxymethyl)-cyclopentanecarboxylic acid