3,5-dimethyl-N-phenylpiperidine-1-carbothioamide 、 N-(2,3-dibromopropyl)-1-((1RS,4R)-7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)-methanesulfonamide 在
sodium methylate 作用下,
以80 %的产率得到2‑[[((1SR,4S)‑7,7‑dimethyl‑3‑oxobicyclo[2.2.1]heptan‑1‑yl)-methyl]sulfonamido]propane‑1,3‑diyl (1Z,1'Z)‑bis(3,5‑dimethyl‑N‑phenylpiperidine‑1‑carbimidothioate)