异氰环已烷 、
5-(氯甲基)异噁唑-4-羧酸 、
丙烯胺 、
(3aS,4S,6R,6aR)-6-(2,4-Dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxole-4-carbaldehyde 以
甲醇 为溶剂,
以70%的产率得到N-[1-[(3aR,4R,6R,6aR)-4-(2,4-dioxopyrimidin-1-yl)-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]-2-(cyclohexylamino)-2-oxoethyl]-5-(chloromethyl)-N-prop-2-enyl-1,2-oxazole-4-carboxamide