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A conformational basis for the description of the thermal E/Z isomerization of aromatic azo and azomethine compounds

✍ Scribed by H.-J. Hofmann; R. Cimiraglia; J. Tomasi

Book ID
119116897
Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
997 KB
Volume
152
Category
Article
ISSN
0166-1280

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πŸ“œ SIMILAR VOLUMES

Rotation and inversion states in thermal
Rotation and inversion states in thermal E/Z isomerization of aromatic azo compounds
✍ Renzo Cimiraglia; Hans-JΓΆrg Hofmann πŸ“‚ Article πŸ“… 1994 πŸ› Elsevier Science 🌐 English βš– 468 KB

## Ab initio calculations in a variation-perturbation scheme have been carried out on the three molecules of diazene, phenyldiazene and azobenzene with a view to clarifying the Z/E isomerization mechanism. It is found that, contrary to the usual belief, the rotational isomerization mechanism shows

Influence of the Z/E configuration on th
Influence of the Z/E configuration on the 13C15N coupling conditions 1J(13C15N) in aromatic azo and diazo compounds
✍ S. Simova; E. FanghΓ€nel; R. Radeglia πŸ“‚ Article πŸ“… 1983 πŸ› John Wiley and Sons 🌐 English βš– 417 KB

## Abstract The ^13^C NMR spectra of singly ^15^N‐labelled __Z__/__E__ isomers of azo and diazo compounds were recorded. The ^1^__J__(^13^C^15^N) coupling constants are strongly dependent on the geometrical configuration of the azo group, the relative position of the lone pair of electrons at the n