Ij. Burnett et al., PREPARATION AND X-RAY CRYSTAL-STRUCTURE ANALYSIS OF 1,6-DINITROCYCLOHEPTATRIENE, Journal of the Chemical Society, Chemical Communications, (10), 1994, pp. 1187-1187
Nitration of cycloheptatriene by copper nitrate in acetic anhydride gi
ves 1-nitrocycloheptatriene and subsequent nitration by nitric acid gi
ves 1,6-dinitrocycloheptatriene; the crystal structure of the dinitro-
derivative is described.