聚合甲醛 、
1-O-(2-amino-2-deoxy-β-L-glucopyranosyl)-<(+)-1-epipodophyllotoxin> 在
sodium cyanoborohydride 作用下,
以
甲醇 为溶剂,
生成 (5R-(5alpha,5abeta,8aalpha,9beta))-9-((2-Deoxy-2-(dimethylamino)-4,6-O-ethylidene-β-D-glucopyranosyl)oxy)-5,8,8a,9-tetrahydro-5-(4-hydroxy-3,5-dimethoxyphenyl)furo[3',4':6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one