、
2,3,6-Trideoxy-3-trifluoracetamido-4-O-trifluoracetyl-α-L-arabino-hexopyranosylchlorid 在
作用下,
以49的产率得到2,2,2-trifluoro-N-[(2S,3R,4S,6R)-3-hydroxy-2-methyl-6-[[(1S,3S)-3,5,12-trihydroxy-10-methoxy-3-[(4R)-4-methoxy-2,2-dimethyl-1,3-dioxolan-4-yl]-6,11-dioxo-2,4-dihydro-1H-tetracen-1-yl]oxy]oxan-4-yl]acetamide