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- Title
Analysis of two novel 1–4 quinolinone structures with bromine and nitrobenzyl ligands.
- Authors
Michelini, Lidiane J.; Vaz, Wesley F.; D'Oliveira, Giulio D. C.; Pérez, Caridad N.; Napolitano, Hamilton B.
- Abstract
The scientific community has shown particular interest in the study of quinolinones—a class of bicyclic organic compounds. An example of these compounds are the 4-quinolinones, considered to be very useful building blocks, since they can adapt their molecular structures with different ligands for applications in various fields such as pharmacy, medicine, physics and engineering. The compounds (E)-3-(benzylidene)-2-(3-nitrophenyl)-2,3-dihydro-1-(phenylsulfonyl)-quinolin-4-(1H)-one (NFQ) and (E)-3-(benzylidene)-2-(4-bromophenyl)-2,3-dihydro-1-(phenylsulfonyl) quinolin-4-(1H)-one (BFQ) were synthesized and characterized by infrared spectroscopy, 1H and 13C NMR, and melting point. NFQ crystallized in the orthorhombic Pbca space group while BFQ appears in the monoclinic P21/n space group. X-ray diffraction was used to evaluate their crystallographic structures, and Hirshfeld surface evaluates the intermolecular interactions, supramolecular arrangement and packaging. Theoretical vibrational assignments and calculated electronic properties also demonstrate acceptable agreement between experimental and theoretical results.
- Subjects
BICYCLIC compounds; QUINOLONE antibacterial agents; DENSITY functional theory; X-ray diffraction; BROMINE; SPACE groups; MELTING points; MOLECULAR structure of ligands
- Publication
Journal of Molecular Modeling, 2019, Vol 25, Issue 3, pN.PAG
- ISSN
1610-2940
- Publication type
Article
- DOI
10.1007/s00894-019-3937-3