isobutyric pivalic anhydride 、
(1R,4S)-2-(2-methoxyacetyl)-4,7,7-trimethyl-2-azabicyclo[2.2.1]heptan-3-one 在
lithium diisopropyl amide 作用下,
以
甲苯 为溶剂,
反应 11.0h,
生成 (1S,4S)-2-[(2R)-2-methoxy-4-methyl-3-oxopentanoyl]-4,5,5-trimethyl-2-azabicyclo[2.2.1]heptan-3-one 、 (1S,4S)-2-[(2S)-2-methoxy-4-methyl-3-oxopentanoyl]-4,5,5-trimethyl-2-azabicyclo[2.2.1]heptan-3-one