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Synthesis of Chlorins with Chlorophyllous Chromophore Fused with Nitrogenous Heterocycle
2012
Youji huaxue
a 烟台大学化学化工学院 烟台 264005) ( b 山东省黄金工程技术研究中心(工业应用) 烟台 264005) 摘要 采用一锅法从叶绿素-a 制得 13 2 -氧代焦脱镁叶绿酸-a 甲酯, 再与邻苯二胺反应生成四种含氮杂环并二氢卟吩衍 生物, 再经硝酸铊或者四氧化锇氧化将其 3-位乙烯基转化成高反应性的甲酰基和甲酰甲基. C 3 -甲酰甲基与邻氨基苯甲 醛的 Friedländer 缩合顺利地环合成喹啉结构, 与重氮甲烷和氧化苯甲腈的 1,3-偶极环加成反应在 3-位上构建了五元杂 环. 首次报道的具有叶绿素基本碳架的二氢卟吩衍生物的化学结构均经 UV, IR, 1 H NMR 及元素分析得以证实. Abstract Methyl 13 2 -oxopyropheophorbide-a was prepared using one pot method from chlorophyll-a, and subsequently reacted with o-diaminobenzene to produce four chlorins fused with nitrogenous
doi:10.6023/cjoc201206021
fatcat:abw422ubeveufdi4pqovhdjo7u