1-(2-萘甲酰基)咪唑 、
(R)-5-Hydroxy-3-hydroxymethyl-pentanoic acid (1S,3S,5R,10R,12S,13S)-5,10,12-triacetoxy-13-acetylamino-1-[(1R,2R)-1-((R)-5-hydroxy-3-hydroxymethyl-pentanoyloxy)-2-methyl-hexyl]-3-methyl-tetradecyl ester 在
1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下,
以
乙腈 为溶剂,
生成 [(3R)-5-[(5R,6R,7S,9S,11R,16R,18S,19S)-19-acetamido-11,16,18-triacetyloxy-5,9-dimethyl-6-[(3R)-5-(naphthalene-2-carbonyloxy)-3-(naphthalene-2-carbonyloxymethyl)pentanoyl]oxyicosan-7-yl]oxy-3-(naphthalene-2-carbonyloxymethyl)-5-oxopentyl] naphthalene-2-carboxylate