coumarin 6-carboxaldoxime 、
(3β)-3-(hex-5-yn-1-yloxy)cholest-5-ene 在
chloroamine-T 作用下,
以
乙醇 为溶剂,
反应 1.0h,
以75%的产率得到6-[5-[4-[[(3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]butyl]-1,2-oxazol-3-yl]chromen-2-one