Abstract
Dihydrochlorides of diimino esters of 4,4-dinitropimelic acid are formed from 4,4-dinitropimelic acid dinitrile and alcohols in the presence of hydrogen chloride. The dihydrochloride of the methyl diimino ester condenses with ethylenediamine, o-phenylenediamine, and o-aminophenol to give the corresponding 1,5-bisheteryl-3,3-dinitropentanes.
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G. A. Mikheichev, Petroleum and Gas and Their Products [in Russian], Moscow (1971), p. 168.
Z. Herzog, M. H. Gold, and R. D. Geckler, J. Amer. Chem. Soc., 73, 749 (1951).
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See [1] for communication XX.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 820–822, June, 1974.