Rational Design of Latent Fluorophores from Water-Soluble Hydroxyphenyltriazine Dyes Suitable for Lipase Sensing
作者:Alicia Jacquemet、Sandra Rihn、Gilles Ulrich、Pierre-Yves Renard、Anthony Romieu、Raymond Ziessel
DOI:10.1002/ejoc.201500047
日期:2015.3
of the dyes is restored with lipases under physiological conditions without aggregation or precipitation of the fluorescent dyes. Derivatives of 2‐(2′‐hydroxy‐5′‐dimethylaminobenzyl)‐4,6‐dimethylamino‐1,3,5‐triazine were synthesized by an original multistep protocol that afforded, after quaternization of the N,N‐dimethylaminobenzyl moiety, water‐soluble fluorescent dyes. These fluorophores exhibited
水溶性 2-(2'-羟基-5'-二甲氨基苄基)-4,6-二甲氨基-1,3,5-三嗪的苯酚残基被酶不稳定保护基团掩蔽-羟基苯甲醇。在生理条件下用脂肪酶恢复染料的荧光,而荧光染料不会聚集或沉淀。2-(2'-羟基-5'-二甲氨基苄基)-4,6-二甲氨基-1,3,5-三嗪的衍生物是通过原始的多步方案合成的,在 N,N-二甲氨基苄基部分季铵化后,水溶性荧光染料。这些荧光团表现出激发态分子内质子转移和大斯托克斯位移(ΔSS > 10000 cm-1)。苯酚残基被基于自焚对羟基苯甲醇的酶不稳定保护基团掩蔽。