Energetic N-substituted 3, 3-dinitroazetidine plasticizer and preparation method thereof
申请人:AGENCY FOR DEFENSE DEVELOPMENT
公开号:US09573894B1
公开(公告)日:2017-02-21
N-substituted 3,3-dinitroazetidine, represented by the following Chemical Formula I, as an energetic plasticizer, and a method for preparing the same through a coupling reaction in which the energetic material 3,3-dinitroazetidine or an acid salt thereof serves as a nucleophile for the α,β-unsaturated carbonyl compound as a substrate are provided.
wherein R1 and R2 are each independently alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, substituted arylalkyl, heteroaryl, substituted heteroaryl, heteroarylalkyl, substituted heteroarylalkyl, hydroxy, nitro, or a halogen atom, wherein the substituent of the substituted radicals is selected from the group consisting of alkyl, cycloalkyl, aryl, heteroaryl, alkoxy, thioalkyl, amino, nitro, hydroxy, a halogen atom, and a combination thereof.
提供了一种以以下化学式I所代表的N-取代3,3-二硝基氮杂环丙烷作为高能塑化剂的方法,以及通过偶联反应制备它的方法。在该反应中,高能材料3,3-二硝基氮杂环丙烷或其酸盐作为亲核试剂,α,β-不饱和羰基化合物作为底物。
其中,R1和R2各自独立地是烷基、取代烷基、芳基、取代芳基、芳基烷基、取代芳基烷基、杂环芳基、取代杂环芳基、杂环芳基烷基、取代杂环芳基烷基、羟基、硝基或卤素原子,其中取代基的取代基是从烷基、环烷基、芳基、杂环芳基、烷氧基、硫代烷基、氨基、硝基、羟基、卤素原子和它们的组合中选择的。