6-(马来酰亚胺基)己酸琥珀酰亚胺酯 、
(1S,17S,20Z,24R,26R)-9-(2-aminoethylamino)-4,24-dihydroxy-26-[(1R)-1-hydroxyethyl]-25-oxa-16-azahexacyclo[15.7.2.01,26.02,15.05,14.07,12]hexacosa-2,4,7(12),8,10,14,20-heptaen-18,22-diyne-6,13-dione 在
N,N-二异丙基乙胺 作用下,
以
二甲基亚砜 为溶剂,
反应 1.0h,
以43%的产率得到N-[2-[[(1S,17S,20Z,24R,26R)-4,24-dihydroxy-26-[(1R)-1-hydroxyethyl]-6,13-dioxo-25-oxa-16-azahexacyclo[15.7.2.01,26.02,15.05,14.07,12]hexacosa-2,4,7(12),8,10,14,20-heptaen-18,22-diyn-9-yl]amino]ethyl]-6-(2,5-dioxopyrrol-1-yl)hexanamide