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含能材料  2014 

齐聚法合成高密度燃料环戊二烯三聚体

DOI: 10.11943/j.issn.1006-9941.2014.06.002

Keywords: 有机化学,碳氢燃料,双环戊二烯,环戊二烯三聚体,合成

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Abstract:

通过双环戊二烯与环戊二烯的齐聚反应合成了环戊二烯三聚体,考察了催化剂三苯基膦氯化镍(Ni(PPh3)2Cl2)的用量、反应温度、溶剂种类等条件对反应收率的影响,结果表明溶剂种类及反应温度对环戊二烯三聚体的选择性和收率影响显著。溶剂乙腈与环戊二烯(CPD)质量比为5时,摩尔比n(Ni(PPh3)2Cl2)∶n(Zn)∶n(CPD)为0.05∶0.6∶1时在60℃反应8h,环戊二烯三聚体的收率为83.2%。齐聚法合成环戊二烯三聚体与Diels-Alder法相比,反应温度(60℃)和压力(0.1MPa)大幅降低,收率显著提高。

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