Characterization of small azocrown ether stereoisomers

Abstract

The stable E- and Z-isomers of 10-membered azocrown ether have been isolated and studied by X-ray, (HNMR)-H-1 and UV-Vis methods. Their structures in a solid state indicate. the stretched conformation for trans-isomer and unstressed for cis-isomer. The concerted effect of azo-group pi-conjugation with benzene residue and steric strain of molecular conformation results in the observed stability of isomers.

Keywords

azocompounds; macrocycles; stereoisomers; X-ray structures; conformation; H-1 NMR; UV-Vis; complexation

Published in

Polish Journal of Chemistry
2003, volume: 77, number: 2, pages: 189-196
Publisher: POLISH CHEMICAL SOCIETY

SLU Authors

• Kessler, Vadim

  • Department of Molecular Sciences, Swedish University of Agricultural Sciences
    

UKÄ Subject classification

Molecular Biology

Permanent link to this page (URI)

https://res.slu.se/id/publ/572