methyl (5R,7S,8R)-8-{[4-(2H-chromen-4-yl)benzoyl]amino}-1-oxaspiro[4.4]nonane-7-carboxylate 、 在
氮 、
钯 、
氢气 作用下,
以
甲醇 为溶剂,
反应 6.0h,
以to give methyl (5R,7S,8R)-8-{[4-(3,4-dihydro-2H-chromen-4-yl)benzoyl]amino}-1-oxaspiro[4.4]nonane-7-carboxylate (0.10 g, 80%) as a clear oil的产率得到methyl (5R,7S,8R)-8-{[4-(3,4-dihydro-2H-chromen-4-yl)benzoyl]amino}-1-oxaspiro[4.4]nonane-7-carboxylate