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Laurita T, Pappalardo I, Chiummiento L, D'Orsi R, Funicello M, Santarsiero A, Marsico M, Infantino V, Todisco S, Lupattelli P. Synthesis of new methoxy derivatives of trans 2,3-diaryl-2,3-dihydrobenzofurans and evaluation of their anti-inflammatory activity. Bioorg Med Chem Lett 2021; 49:128264. [PMID: 34280408 DOI: 10.1016/j.bmcl.2021.128264] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 07/06/2021] [Accepted: 07/11/2021] [Indexed: 01/03/2023]
Abstract
In the present study we synthesized new methoxy derivatives of trans 2,3-diaryl-2,3-dihydrobenzofurans, starting from suitable trans 2,3-diaryloxiranes, using regio- and stereoselective nucleophilic oxiranyl ring-opening reactions. The compounds were tested as anti-inflammatories in U937 cells. All compounds showed a significant role in inhibiting the NF-κB pathway and were able to restore normal ROS and NO level upon LPS activation. Moreover, regarding inhibition of ACLY, enantioenriched (50% ee) 7a50 showed more potency than the racemic counterpart 7arac, together with a higher reduction of prostaglandin E2 production, thus suggesting a stereoselective interaction in this pathway.
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Affiliation(s)
- T Laurita
- Department of Sciences, University of Basilicata, via dell'ateneo lucano 10, 85100 Potenza, Italy
| | - I Pappalardo
- Department of Sciences, University of Basilicata, via dell'ateneo lucano 10, 85100 Potenza, Italy
| | - L Chiummiento
- Department of Sciences, University of Basilicata, via dell'ateneo lucano 10, 85100 Potenza, Italy
| | - R D'Orsi
- Department of Sciences, University of Basilicata, via dell'ateneo lucano 10, 85100 Potenza, Italy
| | - M Funicello
- Department of Sciences, University of Basilicata, via dell'ateneo lucano 10, 85100 Potenza, Italy
| | - A Santarsiero
- Department of Sciences, University of Basilicata, via dell'ateneo lucano 10, 85100 Potenza, Italy
| | - M Marsico
- Department of Sciences, University of Basilicata, via dell'ateneo lucano 10, 85100 Potenza, Italy
| | - V Infantino
- Department of Sciences, University of Basilicata, via dell'ateneo lucano 10, 85100 Potenza, Italy
| | - S Todisco
- Department of Sciences, University of Basilicata, via dell'ateneo lucano 10, 85100 Potenza, Italy
| | - P Lupattelli
- Department of Sciences, University of Basilicata, via dell'ateneo lucano 10, 85100 Potenza, Italy.
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Chiummiento L, D’Orsi R, Caivano I, Funicello M, Lupattelli P. Structural Insights into the TES/TFA Reduction of Differently Substituted Benzofurans: Dihydrobenzofurans or Bibenzyls? Synlett 2021. [DOI: 10.1055/s-0040-1705949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
AbstractVarious polysubstituted benzofurans were reduced by using triethylsilane in trifluoracetic acid. 2,3-Dihydrobenzofurans or bibenzyl compounds were obtained in high yields, depending on the nature of the substituents at C2 and on the benzene ring of the core structure. A p-anisole substituent at C2 of benzofurans always led to the corresponding bibenzyls.
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