(+/-)-2-Cyan-7-methyl-oct-6-ensaeure-ethylester 在
氢氧化钾 、
*5H2O 作用下,
生成 1-Cyano-2-isopropylidene-cyclopentanecarboxylic acid methyl ester 、 (3aS,6aR)-1,1-Dimethyl-3-oxo-tetrahydro-cyclopenta[c]furan-3a-carbonitrile 、 (1S,2S)-2-(1-Acetoxy-1-methyl-ethyl)-1-cyano-cyclopentanecarboxylic acid methyl ester