Benzopyran colorants, method of manufacture, and method of use

摘要

A compound of Formula (I) wherein X is hydrogen or a radical of Formula (II), R¹ independently at each occurrence is a C₁-C₂₀ aliphatic radical, a C₃-C₁₀ cycloaliphatic radical, or a C₃-C₁₀ aromatic radical; R², R³, R⁴ and R⁵ are independently at each occurrence a halogen, a nitro group, a cyano group, a hydroxy group, a C₁-C₂₀ aliphatic radical, a C₃-C₂₀ cycloaliphatic radical, or a C₆-C₂₀ aromatic radical; and "n", "q", and "p" are each independently integers having a value of 0 to 3, and "m" is an integer having a value of 0 to 4.