methyl (3aR,9aR)-spiro[3a,4,9,9a-tetrahydrobenzo[f][1,3]benzodioxole-2,2'-cyclopentane]-1'-carboxylate 、
碘甲烷 在
六甲基磷酰三胺 、
lithium diisopropyl amide 作用下,
生成 (S)-2-((2R,3R)-3-Hydroxy-1,2,3,4-tetrahydro-naphthalen-2-yloxy)-1-methyl-cyclopent-2-enecarboxylic acid methyl ester