【摘要】 采用高锰酸钾/盐酸体系氧化氨基的方法获得了1-氯-1,1-二硝基-2-(N-氯脒基)乙烷,收率为70%,用核磁、红外、质谱、元素分析等方法对该产物进行了结构表征。以二氯甲烷为溶剂制备出了其单晶,用X射线单晶衍射仪测定了晶体结构。结果表明,该化合物的分子式为C2H2C l2N4O4,相对分子质量为216.98,该晶体为正交晶系,属Pbcn空间群,晶体学参数为:a=0.9940(17)nm,b=1.0628(19)nm,c=1.4487(3)nm,V=1.5304(5)nm3,Z=8,D c=1.883 g.cm-3,F(000)=864,R1=0.0325,ωR2=0.0784。该化合物的熔点为90℃,起始分解温度为136.6℃,较1,1-二氨基-2,2-二硝基乙烯(FO X-7)有大幅度下降,表明其热稳定性较FO X-7差。更多还原

【Abstract】 1,1-Diamino-2,2-dinitroethylene(FOX-7) was investigated in oxidation reactions.1-Chloro-1,1-dinitro-2-(N-chloroamidino)-ethane was obtained in a mixture of potassium permanganate and concentrated hydrochloric acid with the yield of 70%.The reactivity of electrophilic substitution reaction of FOX-7 was confirmed,and the reaction mechanism was investigated.The structure was identified by NMR,IR,MS and elemental analysis.The single crystal of 1-chloro-1,1-dinitro-2-(N-chloroamidino)-ethane was cultivated from dichloromethane.The crystal structure was determined by a X-ray single crystal diffractometer.Results show that the empirical formula is C2H2Cl2N4O4 and the formula weigh is 216.98,the crystal is orthorhombic system,space group Pbcn with crystal parameters of a=0.9940(17) nm,b=1.0628(19) nm,c=1.4487(3) nm,V=1.5304(5) nm3,Z=8,Dc=1.883 g·cm-3,F(000)=864,R1=0.0325,ωR2=0.0784.The compound′s melting point is 90 ℃,decomposition temperature is 136.6 ℃,so,the thermal stability is short of FOX-7.更多还原