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Pseudooxocarbon Dianions of the C4-Series with Dicyanomethylene Groups
Gerecht, Bernd,Kaempchen, Thomas,Koehler, Klaus,Massa, Werner,Offermann, Guido,et al.
, p. 2714 - 2729 (2007/10/02)
Reaction of suitable activated squaric acid derivatives with the anion of malonitrile yields pseudooxocarbon dianions of the C4-series 5-9, in which the oxygens are successively replaced by one, two, three, or four dicyanomethylene groups.Besides the synt
