kidjoranin 3-O-α-L-cymaropyranosyl-(1→4)-β-D-cymaropyranosyl-(1→4)-α-L-cymaropyranosyl-(1→4)-β-D-3-O-acetyldigitoxopyranosyl-(1→4)-β-D-digitoxopyranoside 在
potassium carbonate 作用下,
以
甲醇 为溶剂,
反应 6.0h,
生成
kidjoranin 3-O-α-L-cymaropyranosyl-(1→4)-β-D-cymaropyranosyl-(1→4)-α-L-cymaropyranosyl-(1→4)-β-D-digitoxopyranosyl-(1→4)-β-D-digitoxopyranoside