Synthesis and Properties of Alkyl Chain Substituted Naphthalenetetracarboxylic Monoanhydride Monoimides and Unsymmetrically Substituted Naphthalene Derivatives
作者:Banu Koz、Serafettin Demic、Siddik Icli
DOI:10.14233/ajchem.2016.20111
日期:——
1,4,5,8-Naphthalenedianhydride is converted to N-(2-ethylhexyl)-1,4,5,8-naphthalenetetracarboxylic monoanhydride monoimide (2a) and N-(2-hydroxyethyl)-1,4,5,8-naphthalenetetracarboxylic monoanhydride monoimide (2c) through the potassium salt prepared from a reaction with potassium hydroxide. N-Dodecyl-1,4,5,8-naphthalenetetracarboxylic monoanhydride monoimide (2b) was prepared by the condensation reaction of 1,4,5,8-naphthalenedianhydride with dodecylamine. Naphthalene-1,4-N-(2-ethylhexyl)-imide-N-ethyl-1H-benzo[d]imidazol-5-carboxylate and naphthalene-1,4-N-dodecyl-imide-N-ethyl-1H-benzo[d]imidazol-5-carboxylate were prepared by the condensation reaction of N-alkyl-1,4,5,8-naphthalenetetracarboxylic monoanhydride monoimide (alkyl = 2-ethylhexyl and dodecyl) with ethyl 3,4-diaminobenzoate. Molecular structures and electrochemical properties of all naphthalene derivatives were determined. Their thermal properties were also studied by thermal gravimetric analysis.
1,4,5,8-萘二酸酐通过与氢氧化钾反应制备的钾盐转化为N-(2-乙基己基)-1,4,5,8-萘四羧酸单酸酐单酰亚胺(2a)和N-(2-羟乙基)-1,4,5,8-萘四羧酸单酸酐单酰亚胺(2c)。N-十二烷基-1,4,5,8-萘四羧酸单酸酐单酰亚胺(2b)是通过1,4,5,8-萘二酸酐与十二烷胺的缩合反应制备的。通过N-烷基-1,4,5,8-萘四羧酸单酸酐单酰亚胺(烷基=2-乙基己基和十二烷基)与乙基3,4-二氨基苯乙酸的缩合反应,制备了萘-1,4-N-(2-乙基己基)-亚胺-N-乙基-1H-苯并[d]咪唑-5-羧酸酯和萘-1,4-N-十二烷基-亚胺-N-乙基-1H-苯并[d]咪唑-5-羧酸酯。所有萘衍生物的分子结构和电化学性质都进行了测定,同时通过热重分析研究了它们的热性质。