15-[(2R,3R,4S,5R,6R)-3,4,5-Triacetoxy-6-((2S,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxymethyl)-tetrahydro-pyran-2-yloxy]-pentadecanoic acid methyl ester 在
Novozym-435 molecular sieve 、
sodium methylate 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 101.0h,
生成 (1S,4R,5S,6S,7R,8R,27R,28R,29S,30R)-5,6,7,28,29,30-Hexahydroxy-2,9,25,31,32-pentaoxa-tricyclo[25.3.1.1
4,8]dotriacontan-24-one