6,7-di-O-methylipecoside tetraacetate 在
lead(IV) acetate 作用下,
以
溶剂黄146 为溶剂,
反应 6.0h,
生成 (4S,5R,6S)-4-((R)-2-Acetyl-4-hydroxy-6,7-dimethoxy-1,2,3,4-tetrahydro-isoquinolin-1-ylmethyl)-6-((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-5-vinyl-5,6-dihydro-4H-pyran-3-carboxylic acid methyl ester