Diphenyl (4′-(Aryldiazenyl)biphenyl-4-ylamino)(pyridin-3-yl)methylphosphonates as Azo Disperse Dyes for Dyeing Polyester Fabrics

<table>Synthesis of diphenyl (4′-aminobiphenyl-4-ylamino)(pyridin-3-yl)methylphosphonate <b>(1)</b>.</table>

Journal of Chemistry

Scheme 1: Diphenyl (4′-(Aryldiazenyl)biphenyl-4-ylamino)(pyridin-3-yl)methylphosphonates as Azo Disperse Dyes for Dyeing Polyester Fabrics 