(3S)-3-amino-4-oxo-4-(2-sulfanylethylamino)butanoic acid 、
1-[2-(2-{(2S,3S,4S,6R)-3-Hydroxy-2-methyl-6-[(1S,3S)-3,5,12-trihydroxy-3-(2-hydroxy-acetyl)-10-methoxy-6,11-dioxo-1,2,3,4,6,11-hexahydro-naphthacen-1-yloxy]-tetrahydro-pyran-4-ylamino}-ethoxy)-ethyl]-pyrrole-2,5-dione 以
二甲基亚砜 为溶剂,
反应 0.5h,
以44%的产率得到(3S)-3-amino-4-[2-[1-[2-[2-[[(2S,3S,4S,6R)-3-hydroxy-2-methyl-6-[[(1S,3S)-3,5,12-trihydroxy-3-(2-hydroxyacetyl)-10-methoxy-6,11-dioxo-2,4-dihydro-1H-tetracen-1-yl]oxy]oxan-4-yl]amino]ethoxy]ethyl]-2,5-dioxopyrrolidin-3-yl]sulfanylethylamino]-4-oxobutanoic acid