Synthesis and Properties of a (Phthalocyaninato)copper(II) Complex Symmetrically Substituted with Eight Crown Ethers

Abstract

AbstractA soluble (phthalocyaninato)copper(II) complex containing eight symmetrical benzo‐15‐crown‐5 substituents, namely {2,3,9,10,16,17,23,24‐octakis[[benzo‐15‐crown‐5)‐4′ ‐yl]oxymethyl]phthalocyaninato}copper(II) (2) from 1,2‐bis{[benzo‐15‐crown‐5)‐4′‐yl]oxymethyl}‐4,5‐dibromobenzene (1) and CuCN in quinoline or pyridine was synthesized. The crown‐ether groups in 2 were shown to prefer intramolecular complexation with alkali metal ions.