Tetrahedron p. 3649 - 3654 (1986)
Update date:2022-08-05
Topics:
Palla, Gerardo
Predieri, Giovanni
Domiano, Paolo
Vignali, Carlo
Turner, Walter
The stereochemical behaviour of N-acyl and N-aroylhydrazones of aromatic aldehydes, of pyruvates and of acetone, in polar and less polar solvents, has been studied by HPLC and by NMR techniques.Z/E Geometrical isomers and cis/trans amide conformers have been found for N-acylhydrazones, while for N-aroylhydrazones only geometrical isomers were detected.Energy barriers of isomers are reported, and solvent effects are discussed with regard to hydrogen bond interactions.
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