N4-acetyl-1-(hepta-O-acetyl-β-gentibiosyl)cytosine 在
sodium methylate 作用下,
以
甲醇 为溶剂,
生成 N-{2-Oxo-1-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxymethyl)-tetrahydro-pyran-2-yl]-1,2-dihydro-pyrimidin-4-yl}-acetamide