(1R,2R)-cyclopropane-1,2-dicarboxylic acid 1-(1S,2R,5S)-(5-isopropyl-2-methyl-cyclohexyl) ester 2-(2-thioxo-2H-pyridin-1-yl)ester 在
偶氮二异丁腈 作用下,
以
四氯化碳 为溶剂,
反应 5.0h,
以1.328 g的产率得到(1S,2R)-2-chlorocyclopropanecarboxylic acid (1S,2R,5S)-5-isopropyl-2-methylcyclohexyl ester