Trimethyl(1-iodopropoxy)silan 、
tert-butyl{[(1R,2R,5R)-2-hydroxy-2,6,6-trimethylbicyclo[3.1.1]hept-3-ylidene]amino}acetate 在
lithium diisopropyl amide 作用下,
以
四氢呋喃 为溶剂,
生成 (2S,4S)-2-[(1R,2R,5R)-2-Hydroxy-2,6,6-trimethyl-bicyclo[3.1.1]hept-(3E)-ylideneamino]-4-trimethylsilanyloxy-pentanoic acid tert-butyl ester 、 (2S,4R)-2-[(1R,2R,5R)-2-Hydroxy-2,6,6-trimethyl-bicyclo[3.1.1]hept-(3E)-ylideneamino]-4-trimethylsilanyloxy-pentanoic acid tert-butyl ester