(R)-3-((4-(4-(4-methoxy-2-methylphenyl)-1-phenylbut-3-ynyloxy)but-2-ynyl)(4-methoxybenzyl)amino)propanenitrile 在
(η5-Cp)Co(CO)2(1-) (S)-2-(4-methoxybenzyl)-8-methyl-6-(phenoxymethyl)-2,3,4,7,8,10-hexahydro-1H-pyrano[4,3-c][1,6]naphthyridine 、 hexanes 、
乙酸乙酯 作用下,
以gave 6d (27.6 mg, 0.055 mmol, 91% yield) as a sticky brown oil的产率得到(S)-2-(4-methoxybenzyl)-8-methyl-6-(phenoxymethyl)-2,3,4,7,8,10-hexahydro-1H-pyrano[4,3-c][1,6]naphthyridine