FLUORESCENT BRIGHTENERS, METHODS OF PREPARATION THEREOF, FLUORESCENT BRIGHTENER COMPOSITIONS, AND METHODS OF PREPARATION AND USES THEREOF

摘要

A compound of Formula (I) wherein R¹, R², and R³ are independently at each occurrence hydrogen, a halogen, a cyano functionality, a C₁-C₂₀ aliphatic functionality, a C₃-C₁₀ cycloaliphatic functionality or a C₃-C₂₀ aromatic functionality, with the proviso that R² and R³ are not hydrogen when R¹ is a methyl or hydrogen; R⁴ and R⁵ are independently at each occurrence hydrogen, a halogen, a cyano functionality, a C₁-C₂₀ aliphatic functionality, a C₃-C₁₀ cycloaliphatic functionality or a C₃-C₁₀ aromatic functionality; R⁷ and R⁸ are independently at each occurrence, a halogen, a cyano functionality, a C₁-C₂₀ aliphatic functionality, a C₃-C₁₀ cycloaliphatic functionality or a C₃-C₁₀ aromatic functionality; R⁶ is a C₂-C₂₀- aliphatic functionality, a C₃-C₁₀ cycloaliphatic functionality or a C₃-C₂₀ aromatic functionality; and "n" and "m" are each independently integers having a value of 0 to 3.