7-O-(2,6-dideoxy-2-fluoro-5-C-(trifluoromethyl)-α-L-talopyranosyl)daunomycinone 、
原甲酸三甲酯 在
溴 作用下,
生成 (8S,10S)-8-(2-Bromo-1,1-dimethoxy-ethyl)-10-((2R,3R,4R,5S,6R)-3-fluoro-4,5-dihydroxy-6-trifluoromethyl-tetrahydro-pyran-2-yloxy)-6,8,11-trihydroxy-1-methoxy-7,8,9,10-tetrahydro-naphthacene-5,12-dione