Synthesis of Tris- and Tetrakis(tropocoronand)s Having Short Linker Chains

Article abstract of DOI:10.3987/COM-94-S(B)56

The syntheses of tris- and tetrakis(tropocoronand)s, a new kind of macrocycles derived from three or four aminotropone imine moieties bridged by three or four short methylene linker chains are described.These tropocoronands were prepared by the reaction of bis(2-methoxytropone imine)salts with α,ω-alkanediamine using a template or with tropopodand derived from benzocyclohepta<1,4>oxazine with N-acetyl-1,2-ethanediamine by an intermolecular heterocycle exchange reaction.