[(3R,4S,5S,6S)-5-hydroxy-6-[4-hydroxy-3-[[4-hydroxy-3-(3-methylbut-2-enyl)benzoyl]amino]-8-methyl-2-oxochromen-7-yl]oxy-3-methoxy-2,2-dimethyloxan-4-yl] carbamate 、
喹啉 、
8-methylcoumarin 、 、
香豆素 、
苯酚 、
di-tert-butyl di-carbonate 在
苯酚 、
2-喹啉醇 、 3-iodo-4-methoxy-N-(7-((3aR,4R,7R,aR)-7-methoxy-6,6-dimethyl-2-oxotetrahydro-3aH-[1,3]-dioxolo[4,5-c]pyran-4-yloxy)-8-methyl-2-oxo-2H-chromen-3-yl)benzamide 、
di-tert-butyl di-carbonate 作用下,
以normally produced upon bromination of 28的产率得到N-(7-((2R,3R,4S,5R)-3,4-dihydroxy-5-methoxy-6,6-dimethyltetrahydro-2H-pyran-2-yloxy)-8-methyl-2-oxo-2H-chromen-3-yl)6-methoxybiphenyl-3-carboxamide