Synthesis of cryptands having tritopic receptor sites by [2+3] Schiff base condensation using Cs(I) ion as the template

Article abstract of DOI:10.1016/S0040-4039(00)73901-3

Synthesis of two tritopic receptors L¹ and L² by [2+3] Schiff base condensation of trialdehyde 1 or 2 and 1,2-diaminobenzene followed by reduction with NaBH4 are reported. The reactions undergo smoothly in presence of Cs(I) ion as th