N, N'-Disubstituted-1-amino-7-imino-1, 3, 5-cycloheptatrienes, a Non-classical Aromatic System
WR Brasen, HE Holmquist…
Index: Brasen,W.R. et al. Journal of the American Chemical Society, 1961 , vol. 83, p. 3125 - 3135
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Citation Number: 47
Abstract
N. N'-Disubstituted-l-amino-7-imino-1, 3, 5-cycloheptatrienes are stable, highly colored compounds that are readily accessible from the tetrafluorocycloheptadjenes derived from tetrafluoroethylene and cyclopentadiene. Chemical studies of these aminoimines have established tha'f they have appreciable aromatic character. Although structurally related to tropolone, the reasons for aromaticity in these two systems appear to be fundamentally ...
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