草酸醛 、
(2S,3S,5R)-2-Benzyloxymethyl-5-[3-(4-methoxy-benzyloxymethyl)-5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl]-tetrahydro-furan-3-carbaldehyde 在
ammonium hydroxide 作用下,
以
1,4-二氧六环 为溶剂,
反应 4.0h,
以49%的产率得到1-[(2R,4R,5S)-5-Benzyloxymethyl-4-(1H-imidazol-2-yl)-tetrahydro-furan-2-yl]-3-(4-methoxy-benzyloxymethyl)-5-methyl-1H-pyrimidine-2,4-dione