1
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Liu S, Hu W, Hao W, Xia J, Cai M. Regio- and Diastereoselective Construction of Functionalized Benzo[ b]oxepines and Benzo[ b]azepines via Recyclable Gold(I)-Catalyzed Cyclizations. J Org Chem 2022; 87:7239-7252. [PMID: 35593503 DOI: 10.1021/acs.joc.2c00446] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The heterogeneous gold-catalyzed cyclization of (o-alkynyl)phenoxy- or N-(o-alkynylphenyl)tolylsulfonamidoacrylates with alcohols has been developed by using an MCM-41-anchored diphenylphosphine-Au(I) complex [MCM-41-Ph2P-AuNTf2] as the catalyst under mild reaction conditions, yielding diverse functionalized benzo[b]oxepines or benzo[b]azepines with good to high yields and excellent diastereoselectivity. This heterogenized gold(I) catalyst exhibits a comparable activity to homogeneous Ph3PAuNTf2 and can be facilely recovered by a simple filtration of the reaction solution and reused more than seven times with almost a consistent catalytic efficiency.
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Affiliation(s)
- Siqi Liu
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Wenli Hu
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Wenyan Hao
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Jianhui Xia
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Mingzhong Cai
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
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2
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Li G, Henry SA, Liu H, Kang TS, Nao SC, Zhao Y, Wu C, Jin J, Zhang JT, Leung CH, Wai Hong Chan P, Ma DL. A robust photoluminescence screening assay identifies uracil-DNA glycosylase inhibitors against prostate cancer. Chem Sci 2020; 11:1750-1760. [PMID: 34123270 PMCID: PMC8148385 DOI: 10.1039/c9sc05623h] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Many cancers have developed resistance to 5-FU, due to removal by the enzyme uracil-DNA glycosylase (UDG), a type of base excision repair enzyme (BER) that can excise uracil and 5-fluorouracil (5-FU) from DNA. However, the development of UDG inhibitor screening methods, especially for the rapid and efficient screening of natural product/natural product-like compounds, is still limited so far. We developed herein a robust time-resolved photoluminescence method for screening UDG inhibitors, which could significantly improve sensitivity over the screening method based on the conventional steady-state spectroscopy, reducing the substantial fluorescence background interference. As a proof-of-concept, two potential UDG inhibitors were identified from a database of natural products and approved drugs. Co-treatment of these two compounds with 5-FU showed synergistic cytotoxicity, providing the basis for treating drug-resistant cancers. Overall, this method provides an avenue for the rapid screening of small molecule regulators of other BER enzyme activities that can avoid false negatives arising from the background fluorescence. The discovery of UDG inhibitors against prostate cancer by using a robust photoluminescence screening assay that can avoid false negatives arising from the background fluorescence.![]()
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Affiliation(s)
- Guodong Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau Macau
| | | | - Hao Liu
- Department of Chemistry, Hong Kong Baptist University Kowloon Tong Hong Kong
| | - Tian-Shu Kang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau Macau
| | - Sang-Cuo Nao
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau Macau
| | - Yichao Zhao
- School of Chemistry, Monash University Clayton Victoria 3800 Australia
| | - Chun Wu
- Department of Chemistry, Hong Kong Baptist University Kowloon Tong Hong Kong
| | - Jianwen Jin
- School of Chemistry, Monash University Clayton Victoria 3800 Australia
| | - Jia-Tong Zhang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau Macau
| | - Chung-Hang Leung
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau Macau
| | - Philip Wai Hong Chan
- Department of Chemistry, University of Warwick Coventry CV4 7AL UK.,School of Chemistry, Monash University Clayton Victoria 3800 Australia
| | - Dik-Lung Ma
- Department of Chemistry, Hong Kong Baptist University Kowloon Tong Hong Kong
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3
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Dhandabani GK, Mutra MR, Wang JJ. Palladium-Catalyzed Regioselective Synthesis of 1-Benzoazepine Carbonitriles from o
-Alkynylanilines via 7-endo
-dig Annulation and Cyanation. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800865] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Ganesh Kumar Dhandabani
- Department of Medicinal and Applied Chemistry; Kaohsiung Medical University, No. 100; Shih-Chuan 1st Rd, Sanmin District Kaohsiung City, 807 Taiwan
| | - Mohana Reddy Mutra
- Department of Medicinal and Applied Chemistry; Kaohsiung Medical University, No. 100; Shih-Chuan 1st Rd, Sanmin District Kaohsiung City, 807 Taiwan
| | - Jeh-Jeng Wang
- Department of Medicinal and Applied Chemistry; Kaohsiung Medical University, No. 100; Shih-Chuan 1st Rd, Sanmin District Kaohsiung City, 807 Taiwan
- Department of Medical Research; Kaohsiung Medical University Hospital; No. 100 Tzyou 1st Rd, Sanmin District, Kaohsiung City 807 Taiwan
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4
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Wu L, Meng Y, Ferguson J, Wang L, Zeng F. Palladium-Catalyzed Oxidative Annulation of ortho-Alkenylanilines and Allenes: An Access to Benzo[b]azepines. J Org Chem 2017; 82:4121-4128. [DOI: 10.1021/acs.joc.7b00012] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Lisha Wu
- College
of Chemistry and Materials Science, Northwest University, 1 Xuefu Road, Xi’an Shaanxi, P. R. China 710127
| | - Yinfeng Meng
- College
of Chemistry and Materials Science, Northwest University, 1 Xuefu Road, Xi’an Shaanxi, P. R. China 710127
| | - Jamie Ferguson
- Department of Chemistry, Emory & Henry College, Emory, Virginia 24327, United States
| | - Lijie Wang
- College
of Chemistry and Materials Science, Northwest University, 1 Xuefu Road, Xi’an Shaanxi, P. R. China 710127
| | - Fanlong Zeng
- College
of Chemistry and Materials Science, Northwest University, 1 Xuefu Road, Xi’an Shaanxi, P. R. China 710127
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5
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Cao Z, Zhu H, Meng X, Guan J, Zhang Q, Tian L, Sun X, Chen G, You J. Metal-Free Reaction ofortho-Carbonylated Alkynyl-Substituted Arylaldehydes with Common Amines: Selective Access to Functionalized Isoindolinone and Indenamine Derivatives. Chemistry 2016; 22:16979-16985. [DOI: 10.1002/chem.201603045] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2016] [Indexed: 12/17/2022]
Affiliation(s)
- Ziping Cao
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
| | - Hongbo Zhu
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
| | - Xin Meng
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
| | - Jun Guan
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
| | - Qiang Zhang
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
| | - Laijin Tian
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
| | - Xuejun Sun
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
| | - Guang Chen
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
| | - Jinmao You
- School of Chemistry and Chemical Engineering; Qufu Normal University; Shandong Key Laboratory of Life-Organic Analysis; Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, Qufu; 273165 Shandong P. R. China
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6
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Pati K, Gomes GDP, Harris T, Alabugin IV. Fused Catechol Ethers from Gold(I)-Catalyzed Intramolecular Reaction of Propargyl Ethers with Acetals. Org Lett 2016; 18:928-31. [PMID: 26886747 DOI: 10.1021/acs.orglett.5b03522] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Selective gold(I)-catalyzed rearrangement of aromatic methoxypropynyl acetals leads to fused catechol ethers (1,2-dialkoxynapthalenes) in excellent yields. Furthermore, this process extends to the analogous heterocyclic and aliphatic substrates. Alkyne activation triggers nucleophilic addition of the acetal oxygen that leads to an equilibrating mixture of oxonium ions of similar stability. This mixture is "kinetically self-sorted" via a highly exothermic cyclization. Selective formation of 1,2-dialkoxy naphthalenes originates from chemoselective aromatization of the cyclic intermediate via 1,4-elimination of methanol.
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Affiliation(s)
- Kamalkishore Pati
- Department of Chemistry and Biochemistry, Florida State University , Tallahassee, Florida 32306, United States
| | - Gabriel dos Passos Gomes
- Department of Chemistry and Biochemistry, Florida State University , Tallahassee, Florida 32306, United States
| | - Trevor Harris
- Department of Chemistry and Biochemistry, Florida State University , Tallahassee, Florida 32306, United States
| | - Igor V Alabugin
- Department of Chemistry and Biochemistry, Florida State University , Tallahassee, Florida 32306, United States
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7
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Minbiole EC, Minbiole KPC. The Petasis-Ferrier rearrangement: developments and applications. J Antibiot (Tokyo) 2016; 69:213-9. [DOI: 10.1038/ja.2015.136] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2015] [Revised: 11/19/2015] [Accepted: 11/27/2015] [Indexed: 11/09/2022]
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8
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Cao Z, Li S, Li J, Meng X, Zhang H, Sun X, You J. Gold-catalyzed π-directed regioselective cyclization of bis(o-alkynyl benzyl alcohols): rapid access to dihydroisobenzofuran derivatives. NEW J CHEM 2016. [DOI: 10.1039/c6nj02066f] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A tandem alkyne/alkene-directed 5-exo-dig cyclization and a Prins-type cyclization for the synthesis of dihydroisobenzofurans are described.
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Affiliation(s)
- Ziping Cao
- The Key Laboratory of Life-Organic Analysis and Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- P. R. China
| | - Shan Li
- The Key Laboratory of Life-Organic Analysis and Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- P. R. China
| | - Jie Li
- The Key Laboratory of Life-Organic Analysis and Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- P. R. China
| | - Xin Meng
- The Key Laboratory of Life-Organic Analysis and Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- P. R. China
| | - Huaqing Zhang
- The Key Laboratory of Life-Organic Analysis and Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- P. R. China
| | - Xuejun Sun
- The Key Laboratory of Life-Organic Analysis and Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- P. R. China
| | - Jinmao You
- The Key Laboratory of Life-Organic Analysis and Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- P. R. China
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9
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Saito A, Tateishi K. Syntheses of Heterocycles via Alkyne-Carbonyl Metathesis of Unactivated Alkynes. HETEROCYCLES 2016. [DOI: 10.3987/rev-15-836] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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10
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Ponra S, Majumdar KC. Brønsted acid-promoted synthesis of common heterocycles and related bio-active and functional molecules. RSC Adv 2016. [DOI: 10.1039/c5ra27069c] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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11
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Muthukrishnan I, Vinoth P, Vivekanand T, Nagarajan S, Maheswari CU, Menéndez JC, Sridharan V. Synthesis of 5,6-Dihydrodibenzo[b,h][1,6]naphthyridines via Copper Bromide Catalyzed Intramolecular [4 + 2] Hetero-Diels–Alder Reactions. J Org Chem 2015; 81:1116-24. [DOI: 10.1021/acs.joc.5b02669] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Isravel Muthukrishnan
- Organic
Synthesis Group, Department of Chemistry, School of Chemical and Biotechnology, SASTRA University, Thanjavur 613401, Tamil
Nadu, India
| | - Perumal Vinoth
- Organic
Synthesis Group, Department of Chemistry, School of Chemical and Biotechnology, SASTRA University, Thanjavur 613401, Tamil
Nadu, India
| | - Thavaraj Vivekanand
- Organic
Synthesis Group, Department of Chemistry, School of Chemical and Biotechnology, SASTRA University, Thanjavur 613401, Tamil
Nadu, India
| | - Subbiah Nagarajan
- Organic
Synthesis Group, Department of Chemistry, School of Chemical and Biotechnology, SASTRA University, Thanjavur 613401, Tamil
Nadu, India
| | - C. Uma Maheswari
- Organic
Synthesis Group, Department of Chemistry, School of Chemical and Biotechnology, SASTRA University, Thanjavur 613401, Tamil
Nadu, India
| | - J. Carlos Menéndez
- Departamento
de Química Orgánica y Farmacéutica, Facultad
de Farmacia, Universidad Complutense, 28040 Madrid, Spain
| | - Vellaisamy Sridharan
- Organic
Synthesis Group, Department of Chemistry, School of Chemical and Biotechnology, SASTRA University, Thanjavur 613401, Tamil
Nadu, India
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12
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Cao Z, Zhang H, Zhang X, Zhang L, Meng X, Chen G, Zhao XE, Sun X, You J. Gold-catalyzed tandem cycloisomerization/Petasis–Ferrier rearrangement: a direct route to 3-alkoxyindanones from enynals and alcohols. RSC Adv 2015. [DOI: 10.1039/c5ra24541a] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
A method to prepare 3-alkoxyindanones by gold-catalyzed tandem cycloisomerization/Petasis–Ferrier rearrangement of ortho-ethynylarylaldehydes with alcohols is described. The reaction also offers a synthetic route to 3-alkoxylcyclopentenones.
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Affiliation(s)
- Ziping Cao
- The Key Laboratory of Life-Organic Analysis
- Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
| | - Huaqing Zhang
- The Key Laboratory of Life-Organic Analysis
- Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
| | - Xiaoxiang Zhang
- College of Chemical Engineering
- Nanjing Forestry University
- Nanjing 210037
- P. R. China
| | - Ludan Zhang
- The Key Laboratory of Life-Organic Analysis
- Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
| | - Xin Meng
- The Key Laboratory of Life-Organic Analysis
- Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
| | - Guang Chen
- The Key Laboratory of Life-Organic Analysis
- Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
| | - Xian-En Zhao
- The Key Laboratory of Life-Organic Analysis
- Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
| | - Xuejun Sun
- The Key Laboratory of Life-Organic Analysis
- Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
| | - Jinmao You
- The Key Laboratory of Life-Organic Analysis
- Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
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13
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Liu LJ, Leung KH, Lin S, Chan DSH, Susanti D, Rao W, Chan PWH, Ma DL, Leung CH. Pharmacophore modeling for the identification of small-molecule inhibitors of TACE. Methods 2015; 71:92-7. [DOI: 10.1016/j.ymeth.2014.09.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Revised: 09/02/2014] [Accepted: 09/14/2014] [Indexed: 01/27/2023] Open
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14
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Aaseng JE, Iqbal N, Tungen JE, Sperger CA, Fiksdahl A. 3-Halotetrahydropyran-4-one Derivatives from Homopropargyl Acetal. SYNTHETIC COMMUN 2014. [DOI: 10.1080/00397911.2014.902961] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Jon Erik Aaseng
- a Department of Chemistry , Norwegian University of Science and Technology , Trondheim , Norway
| | - Naseem Iqbal
- a Department of Chemistry , Norwegian University of Science and Technology , Trondheim , Norway
| | - Jørn Eivind Tungen
- a Department of Chemistry , Norwegian University of Science and Technology , Trondheim , Norway
| | - Christian A. Sperger
- a Department of Chemistry , Norwegian University of Science and Technology , Trondheim , Norway
| | - Anne Fiksdahl
- a Department of Chemistry , Norwegian University of Science and Technology , Trondheim , Norway
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15
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16
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Jalal S, Bera K, Sarkar S, Paul K, Jana U. Efficient synthesis of functionalized dihydroquinolines, quinolines and dihydrobenzo[b]azepine via an iron(iii) chloride-catalyzed intramolecular alkyne–carbonyl metathesis of alkyne tethered 2-amino benzaldehyde/acetophenone derivatives. Org Biomol Chem 2014; 12:1759-70. [DOI: 10.1039/c3ob42292e] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Iron-catalyzed synthesis of dihydroquinolines, quinolines and dihydrobenzo[b]azepine.
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Affiliation(s)
- Swapnadeep Jalal
- Department of Chemistry
- Jadavpur University
- Kolkata-700 032, India
| | - Krishnendu Bera
- Department of Chemistry
- Jadavpur University
- Kolkata-700 032, India
| | - Soumen Sarkar
- Department of Chemistry
- Jadavpur University
- Kolkata-700 032, India
| | - Kartick Paul
- Department of Chemistry
- Jadavpur University
- Kolkata-700 032, India
| | - Umasish Jana
- Department of Chemistry
- Jadavpur University
- Kolkata-700 032, India
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17
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Maiti S, Biswas P, Ghosh J, Drew MG, Bandyopadhyay C. Iodine/CuI-mediated alkyne–carbonyl metathesis reaction: synthesis of 1-aryl-1,2-dihydrochromeno[2,3-b]azepine-3,6-dione. Tetrahedron 2014. [DOI: 10.1016/j.tet.2013.11.062] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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