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Paper | Special issue | Vol 39, No. 2, 1994, pp.639-648
Published online, 1st January, 1970
DOI: 10.3987/COM-94-S(B)56
Synthesis of Tris- and Tetrakis(tropocoronand)s Having Short Linker Chains

Kimio Shindo,* Hidetsugu Wakabayashi, Luo-Cheng Zhang, Sumio Ishikawa, and Tatsuo Nozoe

*Department of Chemistry, Faculty of Science, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan


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 benzo[b]cyclohepta[e][1,4]oxazine with N-acetyl-1,2-ethanediamine by an intermolecular heterocycle exchange reaction.