methyl (-)-(16R)-16-aminomethyl-16-hydroxy-15-oxo-ent-beyeran-19-oate 在
溶剂黄146 、 sodium nitrite 作用下,
反应 3.5h,
以41 mg的产率得到methyl (+)-(4R,4aS,6aR,10S,12aR,12bS)-8-hydroxy-7-oxo-4,10,12b-trimethyltetradecahydro-1H-8,9-en-6a,10-methanocycloocta[a]naphthalene-4-carboxylate