The reaction of beta-nitro- and beta-fluoro-beta-nitrodichloroformals with beta-nitroalcohols in the presence of ferric chloride gave mixed 2:2-polynitroorthocarbonates.
EREMENKO, L. T.;ORESHKO, G. V.;FADEEV, M. A., IZV. AN CCCP. CEP. XIM.,(1991) N, S. 198-200