作者:Walter M.F. Fabian、Karlheinz S. Niederreiter、Georg Uray、Wolfgang Stadlbauer
DOI:10.1016/s0022-2860(98)00616-4
日期:1999.3
Abstract Absorption and fluorescence spectra as well as quantum yields of a series of differently substituted carbostyrils (quinolin-2(1H)-ones) are reported. Especially for compounds containing donor substituents in position 6, substantial bathochromic shifts (comparable to analogous coumarins) of both absorption as well as fluorescence transitions are obtained. High absorption intensities and quantum
摘要 报告了一系列不同取代的喹诺酮 (quinolin-2(1H)-ones) 的吸收光谱和荧光光谱以及量子产率。特别是对于在 6 位含有供体取代基的化合物,获得了吸收和荧光跃迁的显着红移(与类似香豆素相当)。7 供体取代异构体具有高吸收强度和量子产率。半经验分子轨道计算(AM1 表示结构,ZINDO 表示电子跃迁能)被证明是预测这些化合物的吸收和荧光特性的合适工具。从头算和密度泛函计算确定内酰胺形式作为母体喹啉-2(1H)-one 的主要互变异构体。