In Vitro Evaluation of Novel Furo[3,2-<i>c</i>]coumarins as Cholinesterases and Monoamine Oxidases Inhibitors

Coumarin represents a privileged structural motif that is quite common in nature-derived and synthetic bioactive molecules. Some of us have recently described the straightforward preparation of complex furo[3,2-<i>c</i>]coumarins through a sequential double coupling protocol. Aiming at f...

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Main Authors: Mariagrazia Rullo, Alice Benzi, Lara Bianchi, Massimo Maccagno, Guglielmo Marcantoni Taddei, Daniela Valeria Miniero, Giuseppe Felice Mangiatordi, Giovanni Lentini, Leonardo Pisani, Giovanni Petrillo, Cinzia Tavani
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Language:English
Published: MDPI AG 2025-04-01
Series:Molecules
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Online Access:https://www.mdpi.com/1420-3049/30/8/1830
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author Mariagrazia Rullo
Alice Benzi
Lara Bianchi
Massimo Maccagno
Guglielmo Marcantoni Taddei
Daniela Valeria Miniero
Giuseppe Felice Mangiatordi
Giovanni Lentini
Leonardo Pisani
Giovanni Petrillo
Cinzia Tavani
author_facet Mariagrazia Rullo
Alice Benzi
Lara Bianchi
Massimo Maccagno
Guglielmo Marcantoni Taddei
Daniela Valeria Miniero
Giuseppe Felice Mangiatordi
Giovanni Lentini
Leonardo Pisani
Giovanni Petrillo
Cinzia Tavani
author_sort Mariagrazia Rullo
collection DOAJ
description Coumarin represents a privileged structural motif that is quite common in nature-derived and synthetic bioactive molecules. Some of us have recently described the straightforward preparation of complex furo[3,2-<i>c</i>]coumarins through a sequential double coupling protocol. Aiming at finding novel chemical probes for the modulation of key anti-Alzheimer’s targets, a small subset of furo[3,2-<i>c</i>]coumarin prototypes and their non-aromatic synthetic precursors were tested in vitro as inhibitors of ChEs (acetyl- and butyrylcholinesterase, AChE and BChE) and MAOs (monoamine oxidases A and B, MAO A and MAO B). All compounds were low-micromolar AChE inhibitors devoid of toxic effects against SH-SY5Y cells. Lineweaver-Burk plots and docking simulations suggested mixed-type kinetics for inhibitor <b>3d</b> (IC<sub>50</sub> = 4.1 μM toward AChE). Its promising inhibitory profile encompasses additional, highly selective, activity against monoamine oxidase B, with a submicromolar IC<sub>50</sub> value (561 nM).
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publishDate 2025-04-01
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spelling doaj-art-d77d2dd8ed7e491185f418b72e5ccefb2025-08-20T02:28:32ZengMDPI AGMolecules1420-30492025-04-01308183010.3390/molecules30081830In Vitro Evaluation of Novel Furo[3,2-<i>c</i>]coumarins as Cholinesterases and Monoamine Oxidases InhibitorsMariagrazia Rullo0Alice Benzi1Lara Bianchi2Massimo Maccagno3Guglielmo Marcantoni Taddei4Daniela Valeria Miniero5Giuseppe Felice Mangiatordi6Giovanni Lentini7Leonardo Pisani8Giovanni Petrillo9Cinzia Tavani10Department of Pharmacy—Pharmaceutical Sciences, University of Bari “Aldo Moro”, Via E. Orabona, 4, 70125 Bari, ItalyDepartment of Chemistry and Industrial Chemistry (DCCI), University of Genova, Via Dodecaneso 31, 16146 Genova, ItalyDepartment of Chemistry and Industrial Chemistry (DCCI), University of Genova, Via Dodecaneso 31, 16146 Genova, ItalyDepartment of Chemistry and Industrial Chemistry (DCCI), University of Genova, Via Dodecaneso 31, 16146 Genova, ItalyDepartment of Chemistry and Industrial Chemistry (DCCI), University of Genova, Via Dodecaneso 31, 16146 Genova, ItalyDepartment of Medicine & Surgery, LUM University Giuseppe Degennaro Torre Rossi, 70010 Puglia, ItalyCNR, Institute of Crystallography, 70126 Bari, ItalyDepartment of Pharmacy—Pharmaceutical Sciences, University of Bari “Aldo Moro”, Via E. Orabona, 4, 70125 Bari, ItalyDepartment of Pharmacy—Pharmaceutical Sciences, University of Bari “Aldo Moro”, Via E. Orabona, 4, 70125 Bari, ItalyDepartment of Chemistry and Industrial Chemistry (DCCI), University of Genova, Via Dodecaneso 31, 16146 Genova, ItalyDepartment of Chemistry and Industrial Chemistry (DCCI), University of Genova, Via Dodecaneso 31, 16146 Genova, ItalyCoumarin represents a privileged structural motif that is quite common in nature-derived and synthetic bioactive molecules. Some of us have recently described the straightforward preparation of complex furo[3,2-<i>c</i>]coumarins through a sequential double coupling protocol. Aiming at finding novel chemical probes for the modulation of key anti-Alzheimer’s targets, a small subset of furo[3,2-<i>c</i>]coumarin prototypes and their non-aromatic synthetic precursors were tested in vitro as inhibitors of ChEs (acetyl- and butyrylcholinesterase, AChE and BChE) and MAOs (monoamine oxidases A and B, MAO A and MAO B). All compounds were low-micromolar AChE inhibitors devoid of toxic effects against SH-SY5Y cells. Lineweaver-Burk plots and docking simulations suggested mixed-type kinetics for inhibitor <b>3d</b> (IC<sub>50</sub> = 4.1 μM toward AChE). Its promising inhibitory profile encompasses additional, highly selective, activity against monoamine oxidase B, with a submicromolar IC<sub>50</sub> value (561 nM).https://www.mdpi.com/1420-3049/30/8/1830furo[3,2-<i>c</i>]coumarinsacetylcholinesterasebutyrylcholinesterasemonoamine oxidasesdocking simulationsenzyme inhibitors
spellingShingle Mariagrazia Rullo
Alice Benzi
Lara Bianchi
Massimo Maccagno
Guglielmo Marcantoni Taddei
Daniela Valeria Miniero
Giuseppe Felice Mangiatordi
Giovanni Lentini
Leonardo Pisani
Giovanni Petrillo
Cinzia Tavani
In Vitro Evaluation of Novel Furo[3,2-<i>c</i>]coumarins as Cholinesterases and Monoamine Oxidases Inhibitors
Molecules
furo[3,2-<i>c</i>]coumarins
acetylcholinesterase
butyrylcholinesterase
monoamine oxidases
docking simulations
enzyme inhibitors
title In Vitro Evaluation of Novel Furo[3,2-<i>c</i>]coumarins as Cholinesterases and Monoamine Oxidases Inhibitors
title_full In Vitro Evaluation of Novel Furo[3,2-<i>c</i>]coumarins as Cholinesterases and Monoamine Oxidases Inhibitors
title_fullStr In Vitro Evaluation of Novel Furo[3,2-<i>c</i>]coumarins as Cholinesterases and Monoamine Oxidases Inhibitors
title_full_unstemmed In Vitro Evaluation of Novel Furo[3,2-<i>c</i>]coumarins as Cholinesterases and Monoamine Oxidases Inhibitors
title_short In Vitro Evaluation of Novel Furo[3,2-<i>c</i>]coumarins as Cholinesterases and Monoamine Oxidases Inhibitors
title_sort in vitro evaluation of novel furo 3 2 i c i coumarins as cholinesterases and monoamine oxidases inhibitors
topic furo[3,2-<i>c</i>]coumarins
acetylcholinesterase
butyrylcholinesterase
monoamine oxidases
docking simulations
enzyme inhibitors
url https://www.mdpi.com/1420-3049/30/8/1830
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