Abstract
The synthesis and x-ray crystal structure of 1 -nitro-2-phenylcycloprop-2-enecarbonitrile [1] is reported. The C-NO2 bond length in1 is similar to but slightly shorter than that reported for 1, 2-diphenyl-3-nitrocyclopropene (2). Unlike2, 1 shows no tendency to ionize to the corresponding cyclopropenium ion in solution. This result is further supported by ab initio calculations.
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O'Bannon, P.E., Carroll, P.J. & Dailey, W.P. Crystal Structure of 1-nitro-2-phenylcycloprop-2-enecarbonitrile. Struct Chem 2, 133–136 (1991). https://doi.org/10.1007/BF00676624
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DOI: https://doi.org/10.1007/BF00676624