(2S)-1-benzoyl-2-tert-butyl-3,6-dimethyldihydropyrimidin-4-one 在
lithium diisopropyl amide 、
碘甲烷 作用下,
生成 (2S)-1-benzoyl-2-tert-butyl-3-methyl-6-methylenedihydropyrimidin-4-one 、 (2S,5R)-1-benzoyl-2-tert-butyl-3,5-dimethyl-6-methylenedihydropyrimidin-4-one