(4-{3-[17-(1,5-dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yloxy]-propionylamino}-butyl)-carbamic acid tert-butyl ester 在
三氟乙酸 作用下,
反应 0.5h,
以129.9 mg的产率得到N-(4-aminobutyl)-3-[[(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]propanamide