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Nitrated compounds are used as explosives and propellants. Laser-induced chemistry possesses the potential to drive some reactions in an efficient and selective manner, and may be useful in driving nitration reactions toward specific products. The results of several successful attempts to laser induce the reactions of nitrogen oxides with three cycloalkanes are reported. Specifically, the tunable, continuous-wave carbon dioxide infrared laser was used to drive the reaction between nitrogen dioxide and cyclopropane, cyclobutane and cyclopentane under a variety of reaction conditions. The optimization analysis of the reaction conditions is presented. In addition to the formation of nitrocycloalkanes, the other products formed were either from ring cleavage or from nitration or oxidation of ring fragments. By examining the impact of various reaction conditions on the product arrays, it was possible to find optimum conditions for producing the nitrocycloalkanes while minimizing side products. |
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