[(2R,3R,4S,5S,6R)-3,4,5-triacetyloxy-6-[[(4S,5S,6S,7R,8S,15S,16R,17S,18S,19S)-5,7,16,18-tetraacetyloxy-2,21-bis[2-(butylamino)-2-oxoethyl]-3,20-dioxo-17-[(2R,3S,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-9,14,27,28-tetraoxa-2,21-diazatetracyclo[20.2.2.14,8.115,19]octacosa-1(25),22(26),23-trien-6-yl]oxy]oxan-2-yl]methyl acetate 在
水 、
三乙胺 作用下,
以
甲醇 为溶剂,
反应 40.5h,
以30%的产率得到N-butyl-2-[(4S,5S,6S,7R,8S,15S,16R,17S,18S,19S)-21-[2-(butylamino)-2-oxoethyl]-5,7,16,18-tetrahydroxy-3,20-dioxo-6,17-bis[[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy]-9,14,27,28-tetraoxa-2,21-diazatetracyclo[20.2.2.14,8.115,19]octacosa-1(25),22(26),23-trien-2-yl]acetamide