(3S,7aR)-3-Isopropyl-7a-methyl-6-p-tolyl-tetrahydro-pyrrolo[2,1-b]oxazol-5-one 、
碘甲烷 在
仲丁基锂 作用下,
生成
(3S,6S,7aR)-3-Isopropyl-6,7a-dimethyl-6-p-tolyl-tetrahydro-pyrrolo[2,1-b]oxazol-5-one 、
(3S,6R,7aR)-3-Isopropyl-6,7a-dimethyl-6-p-tolyl-tetrahydro-pyrrolo[2,1-b]oxazol-5-one