(2R,4S,5R,6R)-4-Acetoxy-5-acetylamino-2-((R)-2,3-bis-tetradecyloxy-propoxy)-6-((1R,2S)-1,2,3-triacetoxy-propyl)-tetrahydro-pyran-2-carboxylic acid methyl ester 在
sodium methylate 作用下,
以
吡啶 、
甲醇 为溶剂,
生成
(2R,4S,5R,6R)-5-Acetylamino-2-((R)-2,3-bis-tetradecyloxy-propoxy)-6-((1S,2S)-1,2-dihydroxy-3-trityloxy-propyl)-4-hydroxy-tetrahydro-pyran-2-carboxylic acid methyl ester