(4bS,8aR,9R)-11-(cyclobutylmethyl)-4-hydroxy-6-oxo-6,7,8,8a,9,10-hexahydro-5H-9,4b-(epiminoethano)phenanthrene-3-carboxamide 在
potassium tri-sec-butyl-borohydride 作用下,
以
四氢呋喃 为溶剂,
反应 0.5h,
以51%的产率得到(4bR,6R,8aS,9R)-11-(cyclobutylmethyl)-4,6,8a-trihydroxy-6,7,8,8a,9,10-hexahydro-5H-9,4b-(epiminoethano)phenanthrene-3-carboxamide