Sawicki's试剂 、
3α,11β,17α,20α-tetrahydroxy-5β-pregnan-21-al 以
乙醇 为溶剂,
反应 0.12h,
生成 (3R,5R,8S,9S,10S,11S,13S,14S,17R)-17-((S)-1-Hydroxy-2-{[3-methyl-3H-benzothiazol-(2E)-ylidene]-hydrazono}-ethyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-3,11,17-triol