2016
DOI: 10.21577/0100-4042.20160156
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HS-SPME as an efficient tool for discriminating chemotypes of Lippia alba (Mill.) N. E. Brown

Abstract: Recebido em 15/04/2016; aceito em 15/07/2016; publicado na web em 26/08/2016 HS-SPME AS AN EFFICIENT TOOL FOR DISCRIMINATING CHEMOTYPES OF Lippia alba (Mill.) N. E. Brown. Lippia alba (Mill.) N. E. Brown (Verbenaceae) is a medicinal plant for which several biological activities are reported, such as sedative, anxiolytic, anti-ulcer, antifungal, antimicrobial, antioxidant, antispasmodic, anti-nociceptive and anti-inflammatory. It is characterized by the production of essential oils which have been used to class… Show more

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Cited by 2 publications
(9 citation statements)
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“…Sure, these are the foundations of the quantum theory of atoms in molecules (QTAIM), [95] which has been used in routine studies of intermolecular systems, mainly those weakly bound ones. [96][97][98][99] Historically, the FÁÁÁH, OÁÁÁH, and NÁÁÁH hydrogen bonds [22,23,35,100] with energies of 30 KJ.mol −1 as well as the πÁÁÁH and pseudo-πÁÁÁH as the weaker ones, all of them have been characterized on the basis of the QTAIM formalism. The modeling of the hydrogen bonds in the C 3 H 6 , C 4 H 8 , C 6 H 6 , and C 8 H 8 alkanes summarizes the cornerstone of this current work if, specially, beyond an atom, a chemical bond, or even a triangular or square faces of the rings, can function as nucleophiles to interact with hydrogen donors.…”
Section: Computational Approaches and Quantum Electronic Structure mentioning
confidence: 99%
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“…Sure, these are the foundations of the quantum theory of atoms in molecules (QTAIM), [95] which has been used in routine studies of intermolecular systems, mainly those weakly bound ones. [96][97][98][99] Historically, the FÁÁÁH, OÁÁÁH, and NÁÁÁH hydrogen bonds [22,23,35,100] with energies of 30 KJ.mol −1 as well as the πÁÁÁH and pseudo-πÁÁÁH as the weaker ones, all of them have been characterized on the basis of the QTAIM formalism. The modeling of the hydrogen bonds in the C 3 H 6 , C 4 H 8 , C 6 H 6 , and C 8 H 8 alkanes summarizes the cornerstone of this current work if, specially, beyond an atom, a chemical bond, or even a triangular or square faces of the rings, can function as nucleophiles to interact with hydrogen donors.…”
Section: Computational Approaches and Quantum Electronic Structure mentioning
confidence: 99%
“…Our results show that the hydrogen bond formed in the cyclopropane reproduces exactly the well-known profile of pseudo-πÁÁÁH. [19,22,23,37] In the complex of prismane, the hydrogen bond should be preferably formed in one of the two three-member faces because these small rings are highly strained and contain the higher electronic concentration for interacting with hydrogen fluoride. In cyclobutane, even though it may be cogitated that the hydrogen bond occurs precisely on the carbon atom, which is a proton acceptor, on the structural viewpoint, the interaction is aligned exactly in the middle of the carbon-carbon bond.…”
Section: Structural Parameters and Infrared Assignmentsmentioning
confidence: 99%
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