Spinal columnar liquid crystals: polymeric octasubstituted µ-oxo-(phthalocyaninato)tin( IV )
Résumé
An octa-alkylsubstituted derivative of dihydroxo-tin(IV) phthalocyanine is shown to form columnar liquid crystals; polycondensation of the dihydroxo-tin(IV) derivative leads to a spinal columnar mesophase by formation of oxystannyl links between the macrocyclic units.