作者:Zachary R. Woydziak、Stefan E. Boiadjiev、Wilma S. Norona、Antony F. McDonagh、David A. Lightner
DOI:10.1021/jo0511041
日期:2005.10.1
A new class of highly fluorescent (φF 0.3−0.8) low molecular weight water-soluble cholephilic compounds has been synthesized in two steps from dipyrrinones. The dipyrrinone nitrogens are first bridged by reaction with 1,1‘-carbonyldiimidazole to form an N,N‘-carbonyldipyrrinone (3H,5H-dipyrrolo[1,2-c:2‘,1‘-f]pyrimidine-3,5-dione) nucleus, and a sulfonic acid group is then introduced at C(8) by reaction
一类新的高荧光(φ的˚F 0.3-0.8)低分子量的水溶性化合物cholephilic已经从dipyrrinones两个步骤被合成。首先通过与1,1'-羰基二咪唑反应来桥接二吡啶酮氮,以形成N,N'-羰基二吡咯烷酮(3 H,5 H -dipyrrolo [1,2- c:2',1' - f ]嘧啶-3 (5-5-二酮)核,然后通过与浓H 2 SO 4反应在C(8)处引入一个磺酸基。生成的磺化氮,氮分离'-羰基桥联的二吡啶酮(“磺基发光剂”)作为它们的钠盐。当内酰胺环的烷基取代基从乙基延长到癸基时,硫磺胶在保持水溶性的同时变得越来越亲脂。在静脉内输注大鼠后,低分子量硫磺菊在胆汁和尿液中均被迅速排泄,而较高分子量的硫磺菊在胆汁中的排泄则更为选择性。在缺乏多药耐药相关转运蛋白Mrp2(ABCC2)的突变大鼠中,硫磺菊的肝胆汁排泄被部分但不是完全阻断。这些观察结果表明开发具有临床诊断潜力的简单硫磺粉