1
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Mitochondria-Mediated Apoptosis of HCC Cells Triggered by Knockdown of Glutamate Dehydrogenase 1: Perspective for Its Inhibition through Quercetin and Permethylated Anigopreissin A. Biomedicines 2021; 9:biomedicines9111664. [PMID: 34829892 PMCID: PMC8615521 DOI: 10.3390/biomedicines9111664] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 11/07/2021] [Accepted: 11/08/2021] [Indexed: 12/14/2022] Open
Abstract
Metabolic reprogramming is a hallmark of cancer cells required to ensure high energy needs and the maintenance of redox balance. A relevant metabolic change of cancer cell bioenergetics is the increase in glutamine metabolism. Hepatocellular carcinoma (HCC), one of the most lethal cancer and which requires the continuous development of new therapeutic strategies, shows an up-regulation of human glutamate dehydrogenase 1 (hGDH1). GDH1 function may be relevant in cancer cells (or HCC) to drive the glutamine catabolism from L-glutamate towards the synthesis of α-ketoglutarate (α-KG), thus supplying key tricarboxylic acid cycle (TCA cycle) metabolites. Here, the effects of hGLUD1 gene silencing (siGLUD1) and GDH1 inhibition were evaluated. Our results demonstrate that siGLUD1 in HepG2 cells induces a significant reduction in cell proliferation (58.8% ± 10.63%), a decrease in BCL2 expression levels, mitochondrial mass (75% ± 5.89%), mitochondrial membrane potential (30% ± 7.06%), and a significant increase in mitochondrial superoxide anion (25% ± 6.55%) compared to control/untreated cells. The inhibition strategy leads us to identify two possible inhibitors of hGDH1: quercetin and Permethylated Anigopreissin A (PAA). These findings suggest that hGDH1 could be a potential candidate target to impair the metabolic reprogramming of HCC cells.
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2
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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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3
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D'Orsi R, Morrongiello F, Laurita T, Funicello M, Lupattelli P, Chiummiento L. Regio‐ and Diastereo‐Selective Biomimetic Synthesis of (±)‐
ϵ
‐Viniferin by NIS and Resveratrol. ChemistrySelect 2021. [DOI: 10.1002/slct.202101678] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Rosarita D'Orsi
- Department of Science University of Basilicata Via dell'ateneo lucano, 10 85100 Potenza ITALY
| | - Francesca Morrongiello
- Department of Science University of Basilicata Via dell'ateneo lucano, 10 85100 Potenza ITALY
| | - Teresa Laurita
- Department of Science University of Basilicata Via dell'ateneo lucano, 10 85100 Potenza ITALY
| | - Maria Funicello
- Department of Science University of Basilicata Via dell'ateneo lucano, 10 85100 Potenza ITALY
| | - Paolo Lupattelli
- Department of Science University of Basilicata Via dell'ateneo lucano, 10 85100 Potenza ITALY
| | - Lucia Chiummiento
- Department of Science University of Basilicata Via dell'ateneo lucano, 10 85100 Potenza ITALY
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4
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P R, Almansour AI, Arumugam N, Yaragorla S. Calcium-catalyzed formal [3 + 2] annulation of C, N-diacyliminium ions with nucleophilic phenols: a diversity oriented synthesis of 3-aminofurans. Org Biomol Chem 2021; 19:1060-1065. [PMID: 33416820 DOI: 10.1039/d0ob02276d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have developed a one-pot, three-component, and solvent-free reaction for the synthesis of 3-aminofurans using a calcium catalyst. In this cascade reaction, the key intermediate, C,N-diacyliminium ion, is formed in situ from glyoxal and lactam, which further reacted with phenolic nucleophiles to form furan derivatives in good yields with broad substrate diversity. We also present here the preliminary photophysical studies of selected compounds.
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Affiliation(s)
- Rajesh P
- School of Chemistry, University of Hyderabad, 500046, Telangana, India.
| | - Abdulrahman I Almansour
- Department of Chemistry, College of Science, P.O. 2455, King Saud University, Riyadh 11451, Saudi Arabia
| | - Natarajan Arumugam
- Department of Chemistry, College of Science, P.O. 2455, King Saud University, Riyadh 11451, Saudi Arabia
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Chiummiento L, D’Orsi R, Funicello M, Lupattelli P. Last Decade of Unconventional Methodologies for the Synthesis of Substituted Benzofurans. Molecules 2020; 25:E2327. [PMID: 32429435 PMCID: PMC7288127 DOI: 10.3390/molecules25102327] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/13/2020] [Accepted: 05/13/2020] [Indexed: 12/13/2022] Open
Abstract
This review describes the progress of the last decade on the synthesis of substituted benzofurans, which are useful scaffolds for the synthesis of numerous natural products and pharmaceuticals. In particular, new intramolecular and intermolecular C-C and/or C-O bond-forming processes, with transition-metal catalysis or metal-free are summarized. (1) Introduction. (2) Ring generation via intramolecular cyclization. (2.1) C7a-O bond formation: (route a). (2.2) O-C2 bond formation: (route b). (2.3) C2-C3 bond formation: (route c). (2.4) C3-C3a bond formation: (route d). (3) Ring generation via intermolecular cyclization. (3.1) C7a-O and C3-C3a bond formation (route a + d). (3.2) O-C2 and C2-C3 bond formation: (route b + c). (3.3) O-C2 and C3-C3a bond formation: (route b + d). (4) Benzannulation. (5) Conclusion.
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Affiliation(s)
- Lucia Chiummiento
- Department of Science, Via dell’Ateneo Lucano, 10, 85100 Potenza, Italy; (R.D.); (M.F.); (P.L.)
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6
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Reddy RJ, Kumar JJ, Kumari AH, Krishna GR. Pd‐Catalyzed Annulation of β‐Iodovinyl Sulfones with 2‐Halophenols: A General Route for the Synthesis of 3‐Sulfonyl Benzofuran Derivatives. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901550] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Raju Jannapu Reddy
- Department of Chemistry, University College of ScienceOsmania University Hyderabad 500 007 India
| | - Jangam Jagadesh Kumar
- Department of Chemistry, University College of ScienceOsmania University Hyderabad 500 007 India
| | - Arram Haritha Kumari
- Department of Chemistry, University College of ScienceOsmania University Hyderabad 500 007 India
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7
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Fang JD, Yan XB, Lin WJ, Zhao YC, Liu XY. Diphenyl-Diselenide-Mediated Domino Claisen-Type Rearrangement/Cyclization of Propargylic Aryl Ethers: Synthesis of Naphthofuran-2-carboxaldehyde Derivatives. Org Lett 2019; 21:7635-7638. [PMID: 31507178 DOI: 10.1021/acs.orglett.9b02942] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A diphenyl-diselenide-mediated Claisen-type rearrangement/cyclization of propargylic aryl ethers under metal-free conditions is developed, affording various naphthofuran-2-carboxaldehydes in moderate to excellent yield. The broad substrate scope and excellent functional group compatibility suggest that it can be a straightforward and powerful method to access naphthofuran-2-carboxaldehydes in a highly regioselective manner. Moreover, this reaction can be scaled up to the gram scale.
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Affiliation(s)
- Jun-Dan Fang
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), College of Chemistry and Chemical Engineering , Lanzhou University , 222 South Tianshui Road , Lanzhou 730000 , China
| | - Xiao-Biao Yan
- School of Pharmacy , Anhui Medical University , 81 Meishan Road , Hefei 230032 , China
| | - Wu-Jie Lin
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), College of Chemistry and Chemical Engineering , Lanzhou University , 222 South Tianshui Road , Lanzhou 730000 , China
| | - Yi-Chuan Zhao
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), College of Chemistry and Chemical Engineering , Lanzhou University , 222 South Tianshui Road , Lanzhou 730000 , China
| | - Xue-Yuan Liu
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), College of Chemistry and Chemical Engineering , Lanzhou University , 222 South Tianshui Road , Lanzhou 730000 , China
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8
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Laurita T, Chiummiento L, Funicello M, D'Orsi R, Sallemi D, Tofani D, Lupattelli P. Regio- and Diastereoselective Organo-Zinc-Promoted Arylation oftrans-2,3-Diaryloxiranes by Arylboronic Acids: Stereoselective Access totrans-2,3-Diphenyl-2,3-dihydrobenzofuran. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900588] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Teresa Laurita
- Department of Sciences; University of Basilicata; via dell'ateneo lucano 10 85100 Potenza Italy
| | - Lucia Chiummiento
- Department of Sciences; University of Basilicata; via dell'ateneo lucano 10 85100 Potenza Italy
| | - Maria Funicello
- Department of Sciences; University of Basilicata; via dell'ateneo lucano 10 85100 Potenza Italy
| | - Rosarita D'Orsi
- Department of Sciences; University of Basilicata; via dell'ateneo lucano 10 85100 Potenza Italy
| | - Deborah Sallemi
- Department of Sciences; University of Basilicata; via dell'ateneo lucano 10 85100 Potenza Italy
| | - Daniela Tofani
- Department of Sciences; University of Roma3; via della vasca navale 79 00146 Roma Italy
| | - Paolo Lupattelli
- Department of Sciences; University of Basilicata; via dell'ateneo lucano 10 85100 Potenza Italy
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9
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10
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Kumar A, Saleeb M, Werz D, Elofsson M. Cyclopropylmethyl Protection of Phenols: Total Synthesis of the Resveratrol Dimers Anigopreissin A and Resveratrol-Piceatannol Hybrid. ChemistryOpen 2018; 7:953-956. [PMID: 30524921 PMCID: PMC6276102 DOI: 10.1002/open.201800214] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2018] [Indexed: 12/11/2022] Open
Abstract
We demonstrate the versatile use of the cyclopropylmethyl group to protect phenols through the total synthesis of two benzofuran-based natural products, that is, anigopreissin A and the resveratrol-piceatannol hybrid. This protecting group is a good alternative to the conventional methyl group, owing to the feasibility of introduction, stability under a variety of conditions, and its relative ease of removal under different acidic conditions.
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Affiliation(s)
- Arvind Kumar
- Department of ChemistryUmeå University90187UmeåSweden
| | | | - Dominik Werz
- Department of ChemistryUmeå University90187UmeåSweden
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11
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Sanad SMH, Mekky AEM. Enaminone Incorporating a Dibromobenzofuran Moiety: Versatile Precursor for Novel Azines and Azolotriazines. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3107] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Sherif M. H. Sanad
- Chemistry Department, Faculty of Science; Cairo University; Giza 12613 Egypt
| | - Ahmed E. M. Mekky
- Chemistry Department, Faculty of Science; Cairo University; Giza 12613 Egypt
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12
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Yaragorla S, Dada R, Singh G, Pareek A, Rana M, Sharma AK. Ca(II)-Catalyzed Regioselective Cascade Synthesis of Oxindolyl- Naphthofurans through Meyer-Schuster type Rearrangement. ChemistrySelect 2016. [DOI: 10.1002/slct.201601349] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Srinivasarao Yaragorla
- Department of Chemistry; School of Chemical Sciences & Pharmacy; Central University of Rajasthan, NH-8, Ajmer Distt; Rajasthan 305817 India
| | - Ravikrishna Dada
- Department of Chemistry; School of Chemical Sciences & Pharmacy; Central University of Rajasthan, NH-8, Ajmer Distt; Rajasthan 305817 India
| | - Garima Singh
- Department of Chemistry; School of Chemical Sciences & Pharmacy; Central University of Rajasthan, NH-8, Ajmer Distt; Rajasthan 305817 India
| | - Abhishek Pareek
- Department of Chemistry; School of Chemical Sciences & Pharmacy; Central University of Rajasthan, NH-8, Ajmer Distt; Rajasthan 305817 India
| | - Monika Rana
- Department of Chemistry; School of Chemical Sciences & Pharmacy; Central University of Rajasthan, NH-8, Ajmer Distt; Rajasthan 305817 India
| | - Anuj K. Sharma
- Department of Chemistry; School of Chemical Sciences & Pharmacy; Central University of Rajasthan, NH-8, Ajmer Distt; Rajasthan 305817 India
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13
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Liu JT, Simmons CJ, Xie H, Yang F, Zhao XL, Tang Y, Tang W. Synthesis of Highly Substituted Benzofuran-containing Natural Products via Rh-catalyzed Carbonylative Benzannulation. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600992] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ji-tian Liu
- School of Pharmacy; University of Wisconsin-Madison; Madison, WI 53705 USA
- School of Pharmaceutical Science and Technology; Tianjin University; Tianjin 300072 P. R. China
| | - Christopher J. Simmons
- School of Pharmacy; University of Wisconsin-Madison; Madison, WI 53705 USA
- Department of Chemistry; University of Wisconsin-Madison; Madison, WI 53706 USA
| | - Haibo Xie
- School of Pharmacy; University of Wisconsin-Madison; Madison, WI 53705 USA
| | - Fan Yang
- School of Pharmacy; University of Wisconsin-Madison; Madison, WI 53705 USA
| | - Xian-liang Zhao
- School of Pharmacy; University of Wisconsin-Madison; Madison, WI 53705 USA
- School of Biological and Chemical Engineering; Zhejiang University of Science and Technology; Hangzhou 310023 P. R. China
| | - Yu Tang
- School of Pharmaceutical Science and Technology; Tianjin University; Tianjin 300072 P. R. China
- Key Laboratory of Marine Drugs; Chinese Ministry of Education; School of Medicine and Pharmacy; Ocean University of China; Qingdao 266003 P. R. China
| | - Weiping Tang
- School of Pharmacy; University of Wisconsin-Madison; Madison, WI 53705 USA
- Department of Chemistry; University of Wisconsin-Madison; Madison, WI 53706 USA
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14
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Rao MLN, Talode JB, Murty VN. Rapid regio- and multi-coupling reactivity of 2,3-dibromobenzofurans with atom-economic triarylbismuths under palladium catalysis. Beilstein J Org Chem 2016; 12:2065-2076. [PMID: 27829912 PMCID: PMC5082443 DOI: 10.3762/bjoc.12.195] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Accepted: 08/25/2016] [Indexed: 12/23/2022] Open
Abstract
A regio- and chemoselective cross-coupling study using 2,3-dibromobenzofurans and 2,3,5-tribromobenzofuran was achieved with sub-stoichiometric loadings of triarylbismuths as atom-economic reagents under Pd-catalyzed conditions. As part of this study, various 2,3-diaryl- and 2,3,5-triarylbenzofuran products were obtained in high yields, involving one-pot operations and short reaction times.
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Affiliation(s)
- Maddali L N Rao
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur-208016, U.P., India, Tel/ Fax: +91-512-2597532
| | - Jalindar B Talode
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur-208016, U.P., India, Tel/ Fax: +91-512-2597532
| | - Venneti N Murty
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur-208016, U.P., India, Tel/ Fax: +91-512-2597532
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15
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Pareek A, Dada R, Rana M, Sharma AK, Yaragorla S. n
Bu4NPF6 promoted regioselective cascade synthesis of functionally embellished naphthofurans under acid, metal & solvent free conditions. RSC Adv 2016. [DOI: 10.1039/c6ra17411f] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Various naphthofurans were synthesised from naphthols and propargyl alcohols using a cascade benzylation/5-exo dig cyclisation/isomerization. Preliminary studies showed that some naphthofurans were excellent inhibitors for amyloid formation.
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Affiliation(s)
| | | | - Monika Rana
- Department of Chemistry
- Central University of Rajasthan
- India
| | - Anuj K. Sharma
- Department of Chemistry
- Central University of Rajasthan
- India
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16
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Kang B, Lee MH, Kim M, Hwang J, Kim HB, Chi DY. Transition-Metal-Free Synthesis of 2-Substituted Methyl Benzo[b]furan-3-carboxylates. J Org Chem 2015; 80:8254-61. [DOI: 10.1021/acs.joc.5b01311] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Byungsoo Kang
- Department
of Chemistry, Sogang University, 35 Baekbeomro Mapogu, Seoul 121-742, Korea
| | - Min Hyung Lee
- Department
of Chemistry, Sogang University, 35 Baekbeomro Mapogu, Seoul 121-742, Korea
| | - Mijung Kim
- Department
of Chemistry, Sogang University, 35 Baekbeomro Mapogu, Seoul 121-742, Korea
| | - Jungwoon Hwang
- Department
of Chemistry, Sogang University, 35 Baekbeomro Mapogu, Seoul 121-742, Korea
| | - Hyeong Baik Kim
- Department
of Chemistry, Sogang University, 35 Baekbeomro Mapogu, Seoul 121-742, Korea
| | - Dae Yoon Chi
- Department
of Chemistry, Sogang University, 35 Baekbeomro Mapogu, Seoul 121-742, Korea
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17
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Permethylated Anigopreissin A inhibits human hepatoma cell proliferation by mitochondria-induced apoptosis. Chem Biol Interact 2015; 237:1-8. [DOI: 10.1016/j.cbi.2015.05.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 05/05/2015] [Accepted: 05/08/2015] [Indexed: 12/21/2022]
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18
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Funicello M, Chiummiento L, Lupattelli P, Tramutola F. Nickel-Catalyzed C-Br/C-H Bis-phenylation of Methyl 4-Bromocrotonate: A Stereoselective Entry to Methyl (E)-3,4-Diphenylbut-2-enoate. SYNTHETIC COMMUN 2015. [DOI: 10.1080/00397911.2015.1049274] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Maria Funicello
- Dipartimento di Scienze, Università degli Studi della Basilicata, Potenza, Italy
| | - Lucia Chiummiento
- Dipartimento di Scienze, Università degli Studi della Basilicata, Potenza, Italy
| | - Paolo Lupattelli
- Dipartimento di Scienze, Università degli Studi della Basilicata, Potenza, Italy
| | - Francesco Tramutola
- Dipartimento di Scienze, Università degli Studi della Basilicata, Potenza, Italy
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19
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Xu T, Zhang E, Wang D, Wang Y, Zou Y. Cu-Catalyzed Consecutive Hydroxylation and Aerobic Oxidative Cycloetherification under Microwave Conditions: Entry to 2-Arylbenzofuran-3-carboxylic Acids. J Org Chem 2015; 80:4313-24. [DOI: 10.1021/jo502802k] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Tianlong Xu
- Guangzhou
Institute of Chemistry, Chinese Academy of Science, Guangzhou 510650, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Ensheng Zhang
- Guangzhou
Institute of Chemistry, Chinese Academy of Science, Guangzhou 510650, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Dejian Wang
- Guangzhou
Institute of Chemistry, Chinese Academy of Science, Guangzhou 510650, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Yan Wang
- New
Drug Research and Development Center, School of Pharmacy, Second Military Medical University, Shanghai, China
| | - Yong Zou
- School
of Pharmaceutical Science, Sun Yat-sun University, Guangzhou 510006, China
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20
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Li C, Liu N, Qi QR, Chen Y, He L. Synthesis of 5-Iodo-4H-1,3-oxazine-4-ones Through a [3+3] Reaction of Amides and Propiolates Induced by N-Iodosuccinimide (NIS) and Cu(CF3SO3)2. European J Org Chem 2015. [DOI: 10.1002/ejoc.201500015] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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21
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Khoobi M, Molaverdi F, Jafarpour F, Abbasnia M, Kubicki M, Shafiee A. A one-pot domino C–H, C–C activation in coumarins: a fast track to 2,3-diaryl benzo[b]furans. Chem Commun (Camb) 2015; 51:11713-6. [DOI: 10.1039/c5cc01427a] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
An approach to synthesize 2,3-diaryl benzo[b]furans using coumarins and aryl bromides is developed.
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Affiliation(s)
- Mehdi Khoobi
- Department of Medicinal Chemistry
- Faculty of Pharmacy and Pharmaceutical Sciences Research Center
- Tehran University of Medical Sciences
- Tehran
- Iran
| | | | - Farnaz Jafarpour
- School of Chemistry
- College of Science
- University of Tehran
- Tehran
- Iran
| | | | - Maciej Kubicki
- Faculty of Chemistry
- Adam Mickiewicz University
- 61-614 Poznań
- Poland
| | - Abbas Shafiee
- Department of Medicinal Chemistry
- Faculty of Pharmacy and Pharmaceutical Sciences Research Center
- Tehran University of Medical Sciences
- Tehran
- Iran
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22
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Lee JH, Kim M, Kim I. Palladium-catalyzed α-arylation of aryloxyketones for the synthesis of 2,3-disubstituted benzofurans. J Org Chem 2014; 79:6153-63. [PMID: 24856099 DOI: 10.1021/jo500885w] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A highly efficient palladium-catalyzed α-arylation of aryloxyketones has been developed, allowing for facile installation of various (hetero)aryl groups at C2 position in good to excellent yields. Subsequent cyclodehydration of the resulting α-arylated aryloxyketones provided rapid access to diverse 2,3-disubstitured benzofurans.
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Affiliation(s)
- Jin Ho Lee
- College of Pharmacy and Yonsei Institute of Pharmaceutical Sciences, Yonsei University , 85 Songdogwahak-ro, Yeonsu-gu, Incheon 406-840, Republic of Korea
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Rao VK, Shelke GM, Tiwari R, Parang K, Kumar A. A Simple and Efficient Synthesis of 2,3-Diarylnaphthofurans Using Sequential Hydroarylation/Heck Oxyarylation. Org Lett 2013; 15:2190-3. [PMID: 23586966 DOI: 10.1021/ol400738r] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- V. Kameshwara Rao
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Pilani-333 031, Rajasthan, India, and Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, Kingston, Rhode Island 02881, United States
| | - Ganesh M. Shelke
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Pilani-333 031, Rajasthan, India, and Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, Kingston, Rhode Island 02881, United States
| | - Rakesh Tiwari
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Pilani-333 031, Rajasthan, India, and Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, Kingston, Rhode Island 02881, United States
| | - Keykavous Parang
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Pilani-333 031, Rajasthan, India, and Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, Kingston, Rhode Island 02881, United States
| | - Anil Kumar
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Pilani-333 031, Rajasthan, India, and Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, Kingston, Rhode Island 02881, United States
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Yeung KS, Peng XS, Wu J, Fan R, Hou XL. Five-Membered Ring Systems. PROGRESS IN HETEROCYCLIC CHEMISTRY 2013. [DOI: 10.1016/b978-0-08-099406-2.00008-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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