十二烷基伯胺 、
(R)-2-[(2R,3S,4R,5R,6S)-3-Acetoxy-5-acetylamino-6-carboxymethoxy-2-((2R,3R,4R,5S,6R)-4,5-diacetoxy-6-acetoxymethyl-3-acetylamino-tetrahydro-pyran-2-yloxymethyl)-tetrahydro-pyran-4-yloxy]-propionic acid methyl ester 在
1-环已基-2-吗啉乙基碳二亚胺对甲苯磺酸盐 、
1-羟基苯并三唑 作用下,
以
二氯甲烷 为溶剂,
以73%的产率得到(R)-2-[(2R,3S,4R,5R,6S)-3-Acetoxy-5-acetylamino-2-((2R,3R,4R,5S,6R)-4,5-diacetoxy-6-acetoxymethyl-3-acetylamino-tetrahydro-pyran-2-yloxymethyl)-6-dodecylcarbamoylmethoxy-tetrahydro-pyran-4-yloxy]-propionic acid methyl ester