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机构地区:[1]渤海大学超精细化学品研究所,辽宁锦州121000
出 处:《化学研究与应用》2015年第2期177-183,共7页Chemical Research and Application
基 金:国家自然科学基金项目(21476028)资助;辽宁省自然科学基金项目(2012S001)资助
摘 要:报道了以7-甲(乙)基靛红(1a,1b)为原料,对其1-烃基化得1-烃基-7-甲(乙)基靛红(2a1-2a5,2b1-2b5)。1a,1b,2a1-2a5,2b1-2b5与邻苯二胺在冰醋酸为溶剂或以水为溶剂,四丁基溴化铵(TBAB)为相转移催化剂,采用改进的工艺进行缩合反应,以70.0%-85.8%的收率合成了一系列结构新颖的含有1,4-二氮杂萘结构的吲哚类化合物3a-3b,3a1-3a5,3b1-3b5。化合物3a1-3a5,3b1-3b5为新化合物,其结构经红外光谱、质谱、核磁氢谱(碳谱)确认。荧光光谱测定表明,化合物3a-3b,3a1-3a5,3b1-3b5具有很好的荧光性能。7-Methyl( ethyl) indoline-2,3-diones 1a,1b as the raw materals were first alkylated to give the corresponding N-alkyl-7-methyl( ethyl indoline-2,3-diones( 2a1-2a5,2b1-2b5). Compounds 1a,1b,2a1-2a5 and 2b1-2b5 were then underwent the condensation reaction with 1,2-diaminobenzene in the presence of acetic acid or water as solvent and tetrabutyl ammonium bromide( TBAB)as phase transfer catalyst to afford a series of new 6H-indolo[2,3-b]quinoxaline derivatives 3a-3b,3a1-3a5,3b1-3b5 with good yields of 70. 0%-85. 8%. Their structures were confirmed by IR,MS,1H and13 C NMR spectra. Fluorescence spectroscopy showed that compounds 3a-3b,3a1-3a5,3b1-3b5 had good fluorescence properties.
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