Please use this identifier to cite or link to this item: http://localhost:8080/xmlui/handle/123456789/2704
Title: [40]π Fused and Nonfused Core-Modified Nonaphyrins: Syntheses and Structural Diversity
Authors: Ghosh, A
Srinivasan, A
Suresh, C H
Chandrashekar, T K
Keywords: antiaromaticity
core modification
expanded porphyrins
Hìckel aromaticity
nonaphyrins
Issue Date: 1-Aug-2016
Publisher: Wiley
Citation: Chemistry: A European Journal, 22(32):11152–11155
Abstract: The synthesis of fused and nonfused core-modified 40π nonaphyrins are reported. Spectroscopic and X-ray structural studies reveal a twisted figure-eight conformation in the freebase form that is nonaromatic. Structural changes occur, from figure-eight to open extended conformation, upon protonation, thereby adopting 4nπ Hückel antiaromatic character, which is reflected in spectroscopic and theoretical studies. Such a structural change also induces ring inversions of specific heterocyclic rings by 180°.
URI: http://hdl.handle.net/123456789/2704
ISSN: 1521-3765
Appears in Collections:2016



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.