3-Cyanoamino-4-((3aS,4S,6R,6aR)-6-hydroxymethyl-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl)-1-methyl-1H-pyrrole-2-carboxylic acid ethyl ester 在
氢氧化钾 作用下,
反应 0.5h,
以71%的产率得到2-Amino-7-((3aS,4S,6R,6aR)-6-hydroxymethyl-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl)-5-methyl-5H-pyrrolo[3,2-d][1,3]oxazin-4-one