The invention concerns novel 6- or 7-substituted derivatives of esculetin (6,7-dihydroxy-2H-1-benzopyran-2-one), their synthesis, and their application as substrates for the detection of micro-organisms in samples where a derivative is enzymatically cleaved to release a colored or fluorogenic marker which has a low tendency to diffuse through agar or other aqueous environments.
本发明涉及新颖的6-或7-取代的异
香豆素(6,7-二羟基-2H-1-苯并
吡喃-2-酮)衍
生物,其合成以及其作为样品中微
生物检测的底物的应用,其中衍
生物在酶解后释放出一种具有低扩散趋势的有色或荧光标记物。