Ring opening of pyridines: the pseudo-cis and pseudo-trans isomers of tetra-n-butyl­ammonium 4-nitro-5-oxo-2-pentenenitrilate

Zeller, M.; Pett, V.B.; Haynes, L.R.W.

doi:10.1107/S0108270107019506

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 3
A packing view of the crystal structures of (a) the disordered structure of the mixture showing both the main pseudo-cis intermediate, (I)

, and the minor pseudo-trans intermediate, (II)

, and (b) the pure pseudo-trans intermediate, (II)

. Displacement ellipsoids are drawn at the 50% probability level.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 63| Part 6| May 2007| Pages o343-o346

doi:10.1107/S0108270107019506

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