Methyl 3β-[3β-(3β-azidoandrost-5-ene-17β-carboxamido)androst-5-ene-17β-carboxamido]androst-5-ene-17β-carboxylate 在
sodium tetrahydroborate 、 nickel dichloride 作用下,
以
1,4-二氧六环 、
乙醇 为溶剂,
反应 0.5h,
以78%的产率得到methyl (3S,8S,9S,10R,13S,14S,17S)-3-[[(3S,8S,9S,10R,13S,14S,17S)-3-[[(3S,8S,9S,10R,13S,14S,17S)-3-amino-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-17-carbonyl]amino]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-17-carbonyl]amino]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-17-carboxylate