十一烷酸酰肼 、
2-cyano-2,3-seco-lup-20(29)-en-3-al-28-oic acid methyl ester 在
溶剂黄146 作用下,
以
乙醇 为溶剂,
反应 7.0h,
以43%的产率得到methyl (3R,4R,5R,8R,9R,10R,13S,14R,15R)-4-(cyanomethyl)-4,9,10-trimethyl-3-(2-methyl-1-(2-undecanoylhydrazineylidene)propan-2-yl)-15-(prop-1-en-2-yl)hexadecahydro-13H-cyclopenta[a]phenanthrene-13-carboxylate