Probing Reactivity with External Forces: The Case of Nitroacetamides in Water

Many computational methods have been applied to interpret and predict changes in reactivity by slight modifications of a given molecular scaffold. We describe a novel and simple method based on approximate density-functional theory of valence electrons that can be applied within a large high-perform...

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Main Authors: Giovanni La Penna, Fabrizio Machetti
Format: Article
Language:English
Published: MDPI AG 2023-12-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/29/1/9
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author Giovanni La Penna
Fabrizio Machetti
author_facet Giovanni La Penna
Fabrizio Machetti
author_sort Giovanni La Penna
collection DOAJ
description Many computational methods have been applied to interpret and predict changes in reactivity by slight modifications of a given molecular scaffold. We describe a novel and simple method based on approximate density-functional theory of valence electrons that can be applied within a large high-performance computational infrastructure to probe such changes using a statistical sample of molecular configurations, including the solvent. All the used computational tools are fully open-source. Following our previous application, we are able to explain the high acidity of C-H bond at <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>α</mi></semantics></math></inline-formula> position in nitro compounds when the amide linkage an ammonium group is inserted into the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>α</mi></semantics></math></inline-formula> substituent.
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spelling doaj.art-42fa57a7a78c48d488b13a1a50c9dce12024-01-10T15:03:51ZengMDPI AGMolecules1420-30492023-12-01291910.3390/molecules29010009Probing Reactivity with External Forces: The Case of Nitroacetamides in WaterGiovanni La Penna0Fabrizio Machetti1Istituto di Chimica dei Composti Organometallici (ICCOM), Consiglio Nazionale delle Ricerche (CNR), via Madonna Del Piano 10, I-50019 Firenze, ItalyIstituto di Chimica dei Composti Organometallici (ICCOM), Consiglio Nazionale delle Ricerche (CNR), c/o Dipartimento di Chimica “Ugo Schiff”, via Della Lastruccia 13, I-50019 Firenze, ItalyMany computational methods have been applied to interpret and predict changes in reactivity by slight modifications of a given molecular scaffold. We describe a novel and simple method based on approximate density-functional theory of valence electrons that can be applied within a large high-performance computational infrastructure to probe such changes using a statistical sample of molecular configurations, including the solvent. All the used computational tools are fully open-source. Following our previous application, we are able to explain the high acidity of C-H bond at <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>α</mi></semantics></math></inline-formula> position in nitro compounds when the amide linkage an ammonium group is inserted into the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>α</mi></semantics></math></inline-formula> substituent.https://www.mdpi.com/1420-3049/29/1/9amidescarbanionsC-H aciditynitro-aci tautomerismmolecular dynamicsdensity-functional theory
spellingShingle Giovanni La Penna
Fabrizio Machetti
Probing Reactivity with External Forces: The Case of Nitroacetamides in Water
Molecules
amides
carbanions
C-H acidity
nitro-aci tautomerism
molecular dynamics
density-functional theory
title Probing Reactivity with External Forces: The Case of Nitroacetamides in Water
title_full Probing Reactivity with External Forces: The Case of Nitroacetamides in Water
title_fullStr Probing Reactivity with External Forces: The Case of Nitroacetamides in Water
title_full_unstemmed Probing Reactivity with External Forces: The Case of Nitroacetamides in Water
title_short Probing Reactivity with External Forces: The Case of Nitroacetamides in Water
title_sort probing reactivity with external forces the case of nitroacetamides in water
topic amides
carbanions
C-H acidity
nitro-aci tautomerism
molecular dynamics
density-functional theory
url https://www.mdpi.com/1420-3049/29/1/9
work_keys_str_mv AT giovannilapenna probingreactivitywithexternalforcesthecaseofnitroacetamidesinwater
AT fabriziomachetti probingreactivitywithexternalforcesthecaseofnitroacetamidesinwater