NOVEL DYES WITH PHOSPHINIC ACID, PHOSPHINATE, PHOSPHONATE AND PHOSPHONAMIDATE SUBSTITUENTS AS AUXOCHROMIC GROUPS AND METHODS FOR PREPARING THE SAME

摘要

Compounds of formula I are disclosed:; ;wherein X¹, X², X³, X⁴ are independently H, F, Cl, Br, I, CN, NO₂, OR¹, SR¹, NR¹R², COR¹, COOR¹, CONR¹R², PO₃R¹R², SO₂R¹, SO₃R¹ or R³; R¹ and R² are, e.g., H, alkyl or aryl or optionally a ring; R³ is, e.g., alkyl, alkenyl, alkynyl, aryl or cycloalkyl; Y is OR¹, NR¹R², or NR¹R³; Q is O, S, SO₂, NR, C(R³)₂, Si(R³)₂, Ge(R³)₂, P(═O)R³ or P(═O)OR³; Q and X¹ can optionally form part of a ring; L and M are independently OR¹, SR¹, NR¹R² and R³; L and M can optionally form part of a ring; Z is O, S, NR¹, CR¹R³ or aryl; and Z and X⁴ can optionally form part of a ring.