Preparation and characterization of chromophore group containing cyclotriphosphazenes: IV spectroscopic and thermal investigation of some hexakis(p-phenylazo-o-allylphenoxy)cyclotriphosphazenes

Some new substituted cyclotriphosphazenes were prepared by the reaction of hexachlorocyclotriphosphazene and 3-allyl-4-hydroxyazo compounds such as 3-allyl-4-hydroxyazobenzene, 4′-chloro-3-allyl-4-hydroxyazobenzene, 4′-methyl-3-allyl-4-hydroxyazobenzene, 4′-bromo-3-allyl-4-hydroxyazobenzene, 4′-acetyl-3-allyl-4-hydroxyazobenzene, 3′,4′-dimethyl-3-allyl-4-hydroxyazobenzene and 4′-iodo-3-allyl-4-hydroxyazobenzene. They are characterized by UV–VIS, FT-IR, 1H-NMR, 13C-NMR, elemental analysis, TG, DTG and DTA. [Copyright &y& Elsevier]