Synthesis of Tetracyclic C2-Symmetric Ketiminium Salts and Evaluation as Catalysts for Epoxidation

Short synthetic routes to the nonplanar tetracyclic ketiminium salt A and two close analogs are described. These are helical nonplanar structures as shown by X-ray crystallography.

Automated summary

This article presents short synthetic routes to the nonplanar tetracyclic ketiminium salt A and two similar compounds. X-ray crystallography confirms their helical nonplanar structures.