1
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Zhu W, Tang N, Zhou W, Li C, Ou Y, Abdukader A, Qiu R. Base-Promoted Annulated Aromatization of Aryl Acetylenes with Dimethyl Sulfoxide to Access Symmetrical/Unsymmetric m-Terphenyl. J Org Chem 2024; 89:10572-10581. [PMID: 39038277 DOI: 10.1021/acs.joc.4c00790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/24/2024]
Abstract
A protocol for selective and efficient synthesis of symmetrical and unsymmetrical m-terphenyls is presented among aryl acetylene and DMSO in the presence of KOH and methanol. In this reaction, two molecules of aryl acetylene contribute four carbons, and DMSO, as a dual carbon donor, provides two carbons to a new aromatic ring. This protocol can be tolerated for the electron-donating or disubstituted phenylacetylenes as well as the heterocyclic acetylene derivatives.
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Affiliation(s)
- Wenli Zhu
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, School of Chemistry, Xinjiang University, Urumqi 830017, China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Niu Tang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Wenjun Zhou
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Chenghan Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Yifeng Ou
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Ablimit Abdukader
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, School of Chemistry, Xinjiang University, Urumqi 830017, China
| | - Renhua Qiu
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, School of Chemistry, Xinjiang University, Urumqi 830017, China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
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2
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Awasthi A, Tiwari K, Tiwari DK. Tf 2O-mediated [4+2]-annulation of anthranils with 2-chloropyridines: enabling access to pyridoquinazolinones and euxylophoricine B. Chem Commun (Camb) 2024; 60:7749-7752. [PMID: 38973615 DOI: 10.1039/d4cc01821d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/09/2024]
Abstract
We present an efficient approach for synthesizing pyridoquinazolinones in the presence of triflic anhydride utilizing anthranils and 2-chloropyridines as starting materials. In this process, Tf2O initially activates anthranils forming an electrophilic 1-((trifluoromethyl)sulfonyl)benzo[c]isoxazol-1-ium species. This species undergoes an in situ annulation reaction with 2-chloropyridines, resulting in therapeutically useful pyridoquinazolinones. The reaction is tolerant to various functional groups, allowing access to a wide range of substituted pyridoquinazolinones in good yields. Furthermore, the synthesis of euxylophoricine B, known to be an antitumor agent, was also achieved.
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Affiliation(s)
- Annapurna Awasthi
- Department of Biological and Synthetic Chemistry, Center of Biomedical Research (CBMR), SGPGIMS Campus, Raibareli Road, Lucknow, UP 226014, India.
- Department of Chemistry, Institute of Science, Banaras Hindu Universiy, 221005, UP, India
| | - Khushboo Tiwari
- Department of Biological and Synthetic Chemistry, Center of Biomedical Research (CBMR), SGPGIMS Campus, Raibareli Road, Lucknow, UP 226014, India.
- Academy of Scientific & Innovative Research (AcSIR), CSIR- Human Resource Development Centre, (CSIR-HRDC) Campus Ghaziabad, Uttar Pradesh-201 002, India
| | - Dharmendra Kumar Tiwari
- Department of Biological and Synthetic Chemistry, Center of Biomedical Research (CBMR), SGPGIMS Campus, Raibareli Road, Lucknow, UP 226014, India.
- Academy of Scientific & Innovative Research (AcSIR), CSIR- Human Resource Development Centre, (CSIR-HRDC) Campus Ghaziabad, Uttar Pradesh-201 002, India
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3
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Yashmin S, A M K, Khan AT. Utilization of DMSO as a solvent-cum-reactant: synthesis of fused 2-aryl-4-methylquinolines. Org Biomol Chem 2024; 22:5608-5617. [PMID: 38910410 DOI: 10.1039/d4ob00938j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/25/2024]
Abstract
Herein, we disclose the synthesis of a variety of disubstituted fused quinoline, such as 4-methyl-2-arylbenzo[h]quinolines (3a-j), 1-methyl-3-arylbenzo[f]quinolines (3k-r), 1-methyl-3-arylnaphtho[2,3-f]quinolines (3s-x), and 2-aryl-5,7-dimethoxy-4-methylquinolines (4a-c), derivatives from the reaction of an aryl aldehyde with 1-naphthylamine (1a), 2-naphthylamine (1b), 2-aminoanthracene (1c) and 3,5-dimethoxyaniline (1d), respectively, at 80 °C in the presence of 30 mol% (±)-10-camphorsulfonic acid ((±)-CSA) using DMSO as the solvent-cum-reactant. DMSO molecules regioselectively incorporate three carbon atoms into the target molecule in this distinct reaction. The other advantages of the present protocol are that it can be performed under mild reaction conditions and does not require metal catalysts, additional additives or oxidants.
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Affiliation(s)
- Sabina Yashmin
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, India.
| | - Karthik A M
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, India.
| | - Abu Taleb Khan
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, India.
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4
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Awasthi A, Tiwari K, Yadav P, Bhowmick S, Tiwari DK. Synthesis of 4-styrylquinolines via direct oxidative C3-alkenylation of anthranils under Pd(II) catalysis. Chem Commun (Camb) 2024; 60:2054-2057. [PMID: 38288529 DOI: 10.1039/d3cc05790a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
The palladium-catalyzed oxidative C3-alkenylation of anthranils (2,1-benzisoxazoles) with various styrenes has been successfully achieved. The C3-alkenylated anthranils were subsequently utilized in a [4+2]-cycloaddition with in situ generated α,β-unsaturated ketones leading to the synthesis of a diverse range of olefin-containing quinolines. Notably, this reaction exclusively yielded mono-alkenylated products with E-selectivity. The optimized catalytic conditions were compatible with a wide variety of substituted olefins and anthranils, forming various C3-alkenylated anthranils with good yields. To showcase the application of the present methodology, the C3-alkenylated anthranils have been employed as synthons to access a wide range of substituted quinolines.
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Affiliation(s)
- Annapurna Awasthi
- Department of Biological and Synthetic Chemistry, Center of Biomedical Research, Sanjay Gandhi Post-Graduate Institute of Medical Sciences Campus, Raebareli Road, Lucknow 226014, Uttar Pradesh, India. dktiwari.@cbmr.res.in
- Department of Chemistry, Institute of Science, Banaras Hindu University, 221005, Varanasi, Uttar Pradesh, India
| | - Khushboo Tiwari
- Department of Biological and Synthetic Chemistry, Center of Biomedical Research, Sanjay Gandhi Post-Graduate Institute of Medical Sciences Campus, Raebareli Road, Lucknow 226014, Uttar Pradesh, India. dktiwari.@cbmr.res.in
| | - Pushpendra Yadav
- Department of Biological and Synthetic Chemistry, Center of Biomedical Research, Sanjay Gandhi Post-Graduate Institute of Medical Sciences Campus, Raebareli Road, Lucknow 226014, Uttar Pradesh, India. dktiwari.@cbmr.res.in
- Department of Chemistry, Institute of Science, Banaras Hindu University, 221005, Varanasi, Uttar Pradesh, India
| | - Suman Bhowmick
- Department of Biological and Synthetic Chemistry, Center of Biomedical Research, Sanjay Gandhi Post-Graduate Institute of Medical Sciences Campus, Raebareli Road, Lucknow 226014, Uttar Pradesh, India. dktiwari.@cbmr.res.in
| | - Dharmendra Kumar Tiwari
- Department of Biological and Synthetic Chemistry, Center of Biomedical Research, Sanjay Gandhi Post-Graduate Institute of Medical Sciences Campus, Raebareli Road, Lucknow 226014, Uttar Pradesh, India. dktiwari.@cbmr.res.in
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5
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Liu F, Sohail A, Ablajan K. Metal-Free Oxidative Formation of Aryl Esters by Catalytic Coupling of Acyl and Sulfonyl Chlorides with Arylboronic Acids. J Org Chem 2024; 89:27-33. [PMID: 38096383 DOI: 10.1021/acs.joc.3c01151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2024]
Abstract
A practical and efficient synthesis of aryl esters was developed through metal-free oxidation. This reaction employs stable and readily available acyl or sulfonyl chlorides and arylboronic acids as the starting materials and proceeds under mild reaction conditions without additional precious metal catalysts. This new strategy exhibits broad substrate tolerance and operational simplicity and gives diverse aryl esters in moderate to high yields.
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Affiliation(s)
- Fang Liu
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi 830017, P. R. China
| | - Akbar Sohail
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi 830017, P. R. China
| | - Keyume Ablajan
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi 830017, P. R. China
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6
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Bhowmik A, Naskar K, Roy S, Karmakar S, Sarkar W, Mondal I, Sana A, Deb I. A condition-tuned unorthodox approach to indole-3-carboxylic acids and anthranilic acids via carbon atom translocation. Chem Commun (Camb) 2023; 59:13899-13902. [PMID: 37934663 DOI: 10.1039/d3cc04443b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
We describe a robust one-pot cascade method for the synthesis of indole-3-carboxylic acids using isatins and DMSO via a one-carbon translocation involving in situ generation of α,β-unsaturated methylvinylsulfoxide followed by amide bond cleavage and ring closure. The methodology has been extended to afford anthranilic acid derivatives by tuning the reaction conditions in the presence of molecular oxygen. Importantly, easy access to commercially available drugs, including tropisetron, is demonstrated.
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Affiliation(s)
- Arup Bhowmik
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India.
| | - Koushik Naskar
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India.
| | - Shantonu Roy
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India.
| | - Sudip Karmakar
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India.
| | - Writhabrata Sarkar
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India.
| | - Imtiaj Mondal
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India.
| | - Arindam Sana
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India.
| | - Indubhusan Deb
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India.
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7
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Chen XH, Lhazom T, Cui HL. NH 4OAc/DMSO-Promoted Benzylation of Pyrrolo[2,1- a]isoquinolines. J Org Chem 2023; 88:13598-13609. [PMID: 37728513 DOI: 10.1021/acs.joc.3c01302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Benzylation of pyrrolo[2,1-a]isoquinoline derivatives has been realized with various phenols by the use of ammonium acetate as a promoter (20 examples, up to 84% yield). DMSO served as the source of methylene and solvent. The employment of iron chloride as a catalyst can also afford the desired benzylated products in moderate to good yields (11 examples, up to a 74% yield).
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Affiliation(s)
- Xiao-Hui Chen
- Laboratory of Asymmetric Synthesis, College of Chemistry and Environmental Engineering, Chongqing University of Arts and Sciences, 319 Honghe Avenue, Yongchuan, Chongqing 402160, P. R. China
| | - Tsesong Lhazom
- Laboratory of Asymmetric Synthesis, College of Chemistry and Environmental Engineering, Chongqing University of Arts and Sciences, 319 Honghe Avenue, Yongchuan, Chongqing 402160, P. R. China
| | - Hai-Lei Cui
- Laboratory of Asymmetric Synthesis, College of Chemistry and Environmental Engineering, Chongqing University of Arts and Sciences, 319 Honghe Avenue, Yongchuan, Chongqing 402160, P. R. China
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8
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Kumar S, Padala K, Maiti B. H 2O 2-Mediated Synthesis of a Quinazolin-4(3 H)-one Scaffold: A Sustainable Approach. ACS OMEGA 2023; 8:33058-33068. [PMID: 37720769 PMCID: PMC10500651 DOI: 10.1021/acsomega.3c05162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 08/09/2023] [Indexed: 09/19/2023]
Abstract
A quinazolin-4(3H)-one ring system is a privileged heterocyclic moiety with distinctive biological properties. From this perspective, the development of an efficient strategy for the synthesis of quinazolin-4(3H)-one has always been in demand for the synthetic chemistry community. In this report, we envisaged an efficient protocol for the synthesis of quinazolin-4(3H)-one using substituted 2-amino benzamide with dimethyl sulfoxide (DMSO) as a carbon source and H2O2 as an effective oxidant. Mechanistically, the reaction proceeds through the radical approach with DMSO as one carbon source. To further substantiate the synthetic claim, the synthetic protocol has been extended to the synthesis of the anti-endotoxic active compound 3-(2-carboxyphenyl)-4-(3H)-quinazolinone.
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Affiliation(s)
- Sumit Kumar
- Department
of Chemistry, School of Advanced Science, Vellore Institute of Technology, Katpadi, Vellore, Tamil Nadu 632014, India
| | - Kishor Padala
- Department
of Chemistry, Central Tribal University
of Andhra Pradesh, Kondakarakam
Village, Cantonment area, Vizianagaram, Andhra Pradesh 535003, India
| | - Barnali Maiti
- Department
of Chemistry, School of Advanced Science, Vellore Institute of Technology, Katpadi, Vellore, Tamil Nadu 632014, India
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9
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Malkova K, Bubyrev A, Kalinin S, Dar’in D. Facile access to 3-sulfonylquinolines via Knoevenagel condensation/aza-Wittig reaction cascade involving ortho-azidobenzaldehydes and β-ketosulfonamides and sulfones. Beilstein J Org Chem 2023; 19:800-807. [PMID: 37346493 PMCID: PMC10280061 DOI: 10.3762/bjoc.19.60] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 05/22/2023] [Indexed: 06/23/2023] Open
Abstract
Quinoline-based sulfonyl derivatives, and especially sulfonamides, are relevant and promising structures for drug design. We have developed a new convenient protocol for the synthesis of 3-sulfonyl-substituted quinolines (sulfonamides and sulfones). The approach is based on a Knoevenagel condensation/aza-Wittig reaction cascade involving o-azidobenzaldehydes and ketosulfonamides or ketosulfones as key building blocks. The protocol is appropriate for both ketosulfonyl reagents and α-sulfonyl-substituted alkyl acetates providing the target quinoline derivatives in good to excellent yields.
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Affiliation(s)
- Ksenia Malkova
- Saint Petersburg State University, Saint Petersburg 199034, Russian Federation
| | - Andrey Bubyrev
- Saint Petersburg State University, Saint Petersburg 199034, Russian Federation
| | - Stanislav Kalinin
- Saint Petersburg State University, Saint Petersburg 199034, Russian Federation
| | - Dmitry Dar’in
- Saint Petersburg State University, Saint Petersburg 199034, Russian Federation
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10
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Palit K, Sepay N, Panda N. Arylative Methylation of 2,3-Dihydropyrazines and Pyrazinones Using Dimethyl Sulfoxide as a C1 Source. J Org Chem 2023. [PMID: 36786556 DOI: 10.1021/acs.joc.2c02675] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
Divergent synthesis of α-C-H methylated pyrazines and pyrazinones using dimethyl sulfoxide as a nonconventional methylating agent under metal-free conditions was reported. Dimethyl sulfoxide-coordinated bromine cation pools generated from the treatment of dimethyl sulfoxide and 1,2-dibromoethane undergo Pummerer-type fragmentation to afford an electrophilic methyl(methylene)sulfonium ion for reaction with a carbon nucleophile followed by aromatization to afford α-methylated pyrazines and pyrazinones.
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Affiliation(s)
- Kuntal Palit
- Department of Chemistry, National Institute of Technology, Rourkela, Odisha 769008, India
| | - Nayim Sepay
- Department of Chemistry, Lady Brabourne College, Kolkata 700017, India
| | - Niranjan Panda
- Department of Chemistry, National Institute of Technology, Rourkela, Odisha 769008, India
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11
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Wang W, Pi C, Cui X, Wu Y. TBAI-Catalysed Formal [4+4]-Cycloaddition: Easy Access to Oxa-Bridged Eight-Membered Heterocycles. Chemistry 2023; 29:e202300301. [PMID: 36757635 DOI: 10.1002/chem.202300301] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 02/08/2023] [Accepted: 02/09/2023] [Indexed: 02/10/2023]
Abstract
TBAI-catalysed [4+4]-cyclization reaction of anthranils with hydrazones to deliver oxa-bridged eight-membered heterocycles in accepted yields was developed. Preliminary mechanistic studies indicated that the reaction involved the in situ generation of vinyldiazenes from readily available hydrazones followed by an aza-Michael addition of the anthranil substrates onto the vinyldiazenes and subsequent annulation. This transformation involved the formation of two new C-N bonds and C-O bond in one pot, overcoming the synthetic limitations of anthranils in organic chemistry. This strategy benefits from high efficiency and atomic economy with mild reaction conditions.
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Affiliation(s)
- Wenxiang Wang
- Henan Key Laboratory of Chemical Biology and Organic Chemistry, Key Laboratory of Applied Chemistry of Henan Universities, Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, 450052, P. R. China
| | - Chao Pi
- Henan Key Laboratory of Chemical Biology and Organic Chemistry, Key Laboratory of Applied Chemistry of Henan Universities, Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, 450052, P. R. China
| | - Xiuling Cui
- Henan Key Laboratory of Chemical Biology and Organic Chemistry, Key Laboratory of Applied Chemistry of Henan Universities, Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, 450052, P. R. China
| | - Yangjie Wu
- Henan Key Laboratory of Chemical Biology and Organic Chemistry, Key Laboratory of Applied Chemistry of Henan Universities, Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, 450052, P. R. China
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12
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Bogdos MK, Müller P, Morandi B. Structural Evidence for Aromatic Heterocycle N–O Bond Activation via Oxidative Addition. Organometallics 2023. [DOI: 10.1021/acs.organomet.2c00533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Michael K. Bogdos
- Laboratorium für Organische Chemie, ETH Zürich, 8093 Zürich, Switzerland
| | - Patrick Müller
- Laboratorium für Organische Chemie, ETH Zürich, 8093 Zürich, Switzerland
| | - Bill Morandi
- Laboratorium für Organische Chemie, ETH Zürich, 8093 Zürich, Switzerland
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13
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Li Y, Xu L, Wei Y. Synthesis of acridines via copper-catalyzed amination/annulation cascades between arylboronic acids and anthranils. Org Biomol Chem 2022; 20:9742-9745. [PMID: 36441231 DOI: 10.1039/d2ob01705a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Copper-catalyzed tandem cyclization reactions between arylboronic acids and anthranils have been established, providing new approaches for one-pot assembly of azacycle acridines. This one-pot protocol features simple operation, precious-metal-free conditions and good functional group compatibility, thus providing an efficient approach for the synthesis of a variety of acridines in moderate to good yields.
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Affiliation(s)
- Yuge Li
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Shihezi, 832003, China.
| | - Liang Xu
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Shihezi, 832003, China.
| | - Yu Wei
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Shihezi, 832003, China.
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14
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Recent Advances in the Use of Dimethyl Sulfoxide as a Synthon in Organic Chemistry. Top Curr Chem (Cham) 2022; 380:55. [DOI: 10.1007/s41061-022-00411-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 10/06/2022] [Indexed: 11/27/2022]
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15
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qin Z, Ma R, Ying S, Li F, Ma Y. Synthesis of substituted pyrimido[1,2‐b]indazoles through [3+2+1] cyclization of 3‐aminoindazoles, ketones and N,N‐dimethylaminoethanol as one carbon synthon. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | | | | | - Fanzhu Li
- Zhejiang Chinese Medical University CHINA
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16
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Vodnala N, Singh S, Hazra CK. Lewis Acid-Promoted Typical Friedel-Crafts Reactions Using DMSO as a Carbon Source. J Org Chem 2022; 87:10044-10053. [PMID: 35857352 DOI: 10.1021/acs.joc.2c01037] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
This study reports a mild and efficient synthetic protocol for the synthesis of symmetrical and unsymmetrical diarylmethanes (DAMs). Using DMSO as the C1 source and TMSOTf as the Lewis acid promoter, a series of functionalized symmetrical and unsymmetrical DAMs were synthesized in high yields. Gratifyingly, DMSO plays a dual role as a solvent and a C1 source and can also be replaced with its deuterated counterpart, DMSO-d6, enabling the incorporation of the -CD2 moiety into the diarylmethane skeleton. The developed approach has been applied to a wide range of substrates having various functional groups, and this protocol has also been extended to the synthesis of an anti-breast cancer agent and an anticoagulant agent using common feedstock compounds. In addition, the postulated mechanism has been explicitly demonstrated via control experiments.
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Affiliation(s)
- Nagaraju Vodnala
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Sanjay Singh
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Chinmoy Kumar Hazra
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
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17
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Chen XH, Cui HL. Modification of Pyrrolo[2,1‐a]isoquinolines via Iron‐Catalyzed Aminomethylenation with Amines and Dimethyl Sulfoxide. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Xiao-Hui Chen
- Chongqing University of Arts and Sciences Laboratory of Asymmetric Synthesis CHINA
| | - Hai-Lei Cui
- Chongqing University of Arts and Sciences Laboratory of Asymmetric Synthesis 319 Honghe Ave, Yongchuan, Chongqing 402160 Chongqing CHINA
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18
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Shi X, Zhang Q, Wang A, Jiang T. Substrate‐Induced Synthesis of Coumarin‐Fused Quinolinones from Anilines, 4‐Hydroxycoumarins and DMSO under Air. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xu Shi
- School of Life Sciences Anhui Agricultural University 230036 Hefei People's Republic of China
| | - Qingqing Zhang
- School of Life Sciences Anhui Agricultural University 230036 Hefei People's Republic of China
| | - Anan Wang
- School of Life Sciences Anhui Agricultural University 230036 Hefei People's Republic of China
| | - Tao‐Shan Jiang
- School of Life Sciences Anhui Agricultural University 230036 Hefei People's Republic of China
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19
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Synthesis, characterization, anticancer, and antioxidant activities of chitosan Schiff bases bearing quinolinone or pyranoquinolinone and their silver nanoparticles derivatives. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04238-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
AbstractIn this work, new chitosan-based Schiff bases were synthesized by the reaction of chitosan with quinolinone and pyranoquinolinone giving CSQ, and CSP, respectively. The novel Chitosan Schiff bases were grafted on silver nanoparticles providing CSQ/Ag, CSP/Ag structures. Characterization of isolated compounds was carried out by FT-IR, TGA, XRD, SEM, and TEM. The target compounds CSQ, CSP, CSQ/Ag, and CSP/Ag were evaluated as antitumor agents against three cancer cell lines, liver (HepG-2), colon (HCT-116), and breast (MCF-7). Compound CSQ/Ag disclosed potent cytotoxic effect with IC50 values in the range of 41.9–55.1 μg/ml in comparison with 5-fluorouracil against different cancer cell lines. Besides, the antioxidant activity of chitosan and its quinolinone and pyranoquinolinone analogues was assessed as radical scavengers versus 1,1-diphenyl-2-picrylhydrazyl radicals (DPPH%). The compound CSQ/Ag emerged as the most active member in scavenging the DPPH radicals. The obtained findings proved that the new Schiff bases/silver nanoparticles of chitosan showed higher antiproliferative and antioxidant activities than the blank CS and would be highly applicable in biomedical fields.
Graphical abstract
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20
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Hydroxymethylation of Active Methenyl Compounds: DMSO as Methylene Source and H2O as Oxygen Source. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153663] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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21
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Yang T, Li H, Nie Z, Su MD, Luo WP, Liu Q, Guo CC. [3+1+1+1] Annulation to the Pyridine Structure in Quinoline Molecules Based on DMSO as a Nonadjacent Dual-Methine Synthon: Simple Synthesis of 3-Arylquinolines from Arylaldehydes, Arylamines, and DMSO. J Org Chem 2022; 87:2797-2808. [DOI: 10.1021/acs.joc.1c02708] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Tonglin Yang
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Hui Li
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Zhiwen Nie
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Miao-dong Su
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Wei-ping Luo
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Qiang Liu
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Can-Cheng Guo
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
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22
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Kalari S, Karale UB, Rode HB. Selectfluor-Mediated Synthesis of β-Acyl Allyl Sulfones/β-Acyl Allyl Benzotriazoles from Ketones/Acetylenes, Aryl Sulfinates/Benzotriazole, and DMSO as a Dual-Carbon Synthon. J Org Chem 2022; 87:2435-2445. [PMID: 35025500 DOI: 10.1021/acs.joc.1c02348] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A Selectfluor-mediated approach for the synthesis of β-acyl allyl sulfones/β-acyl allyl benzotriazoles with excellent atom economy from readily available acetophenones/aryl acetylenes, aryl sulfinates/benzotriazoles, and dimethyl sulfoxide (DMSO) is described. In this protocol, DMSO acts as a dual-carbon synthon, resulting in a transition-metal-free construction of two C-C and one C-S or two C-C and one C-N bonds in one pot. This approach is extended to generate chemically diverse compounds. Additionally, β-acyl allyl sulfones/β-acyl allyl benzotriazoles were prepared from acetylenes instead of acetophenones.
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Affiliation(s)
- Saradhi Kalari
- Department of Organic Synthesis and Process Chemistry, CSIR─Indian Institute of Chemical Technology, Tarnaka, Hyderabad 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201002, India
| | - Uttam B Karale
- Department of Organic Synthesis and Process Chemistry, CSIR─Indian Institute of Chemical Technology, Tarnaka, Hyderabad 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201002, India
| | - Haridas B Rode
- Department of Organic Synthesis and Process Chemistry, CSIR─Indian Institute of Chemical Technology, Tarnaka, Hyderabad 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201002, India
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23
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Awasthi A, Yadav P, Yadav S, Tiwari DK. Copper Catalyzed Synthesis of 3‐Nitro‐Quinolines from Nitro‐Olefins and Anthranils: Its Application in the Synthesis of Quindoline. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202100861] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Annapurna Awasthi
- Molecular Synthesis and Drug Discovery Laboratory Center of Biomedical Research (CBMR) Sanjay Gandhi Post Graduate Institute of Medical Sciences Campus Raebareli Road Lucknow 226014 India
- Department of Chemistry, Institute of Science Banaras Hindu University Varanasi 221005 Uttar Pradesh India
| | - Pushpendra Yadav
- Molecular Synthesis and Drug Discovery Laboratory Center of Biomedical Research (CBMR) Sanjay Gandhi Post Graduate Institute of Medical Sciences Campus Raebareli Road Lucknow 226014 India
- Department of Chemistry, Institute of Science Banaras Hindu University Varanasi 221005 Uttar Pradesh India
| | - Sourabh Yadav
- Molecular Synthesis and Drug Discovery Laboratory Center of Biomedical Research (CBMR) Sanjay Gandhi Post Graduate Institute of Medical Sciences Campus Raebareli Road Lucknow 226014 India
- Department of Chemistry, Institute of Science Banaras Hindu University Varanasi 221005 Uttar Pradesh India
| | - Dharmendra Kumar Tiwari
- Molecular Synthesis and Drug Discovery Laboratory Center of Biomedical Research (CBMR) Sanjay Gandhi Post Graduate Institute of Medical Sciences Campus Raebareli Road Lucknow 226014 India
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24
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Yan K, Liu M, Wen J, Liu X, Wang X, Sui X, Shang W, Wang X. Synthesis of 3-substituted quinolines by ruthenium-catalyzed aza-Michael addition and intramolecular annulation of enaminones with anthranils. NEW J CHEM 2022. [DOI: 10.1039/d2nj00663d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A method for the synthesis of 3-substituted quinolines by ruthenium-catalyzed aza-Michael addition and intramolecular annulation of enaminones with anthranils has been developed.
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Affiliation(s)
- Kelu Yan
- Key Laboratory of Life-Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Min Liu
- Key Laboratory of Life-Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Jiangwei Wen
- Key Laboratory of Life-Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Xiao Liu
- Key Laboratory of Life-Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Xiaoyu Wang
- Key Laboratory of Life-Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Xinlei Sui
- Key Laboratory of Life-Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Wenda Shang
- Key Laboratory of Life-Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Xiu Wang
- Key Laboratory of Life-Organic Analysis of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
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25
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Liao Y, Yan Y, Qi H, Zhang W, Xie Y, Tao Q, Deng J, Yi B. Ammonium iodide-catalyzed radical-mediated tandem cyclization of aromatic aldehydes, arylamines and 1,4-dioxane. NEW J CHEM 2022. [DOI: 10.1039/d1nj05082f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have developed a novel approach for the construction of 2-((2-arylquinolin-4-yl)oxy)ethan-1-ol derivatives involving a radical-mediated tandem cyclization reaction.
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Affiliation(s)
- Yunfeng Liao
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, College of Materials and Chemical Engineering, Hunan Institute of Engineering, Xiangtan, 411104, China
| | - Yiyan Yan
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Hongrui Qi
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Weijie Zhang
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, College of Materials and Chemical Engineering, Hunan Institute of Engineering, Xiangtan, 411104, China
| | - Yanjun Xie
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, College of Materials and Chemical Engineering, Hunan Institute of Engineering, Xiangtan, 411104, China
| | - Qiang Tao
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, College of Materials and Chemical Engineering, Hunan Institute of Engineering, Xiangtan, 411104, China
| | - Jiyong Deng
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, College of Materials and Chemical Engineering, Hunan Institute of Engineering, Xiangtan, 411104, China
| | - Bing Yi
- Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, College of Materials and Chemical Engineering, Hunan Institute of Engineering, Xiangtan, 411104, China
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26
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Yadav P, Yadav S, Awasthi A, MANDALAPARTHI PHANINDRUDU, Bhowmick S, Tiwari DK. DMSO as a Dual Carbon Synthon in One-pot Tandem Synthesis of N-alkylated Quinazolinones from Anthranilamides and Acetophenones. NEW J CHEM 2022. [DOI: 10.1039/d2nj01428a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new, efficient, metal-free, and DMSO intervened approach for the synthesis of N-alkylated quinazolinones from readily available 2-aminobenzamide and aryl methyl ketones in the presence of an oxidizing agent has...
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27
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Wang C, Ji X, Deng GJ, Huang H. Copper-catalyzed three-component N-alkylation of quinazolinones and azoles. Org Biomol Chem 2022; 20:1200-1204. [DOI: 10.1039/d1ob02333k] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A Cu-catalyzed three-component N-alkylated coupling reaction of N-heteroarenes with methyl ketones and one carbon source has been developed. Using methyl ketones as alkylation reagent and DMPA (N,N’-dimethylpropionamide) as one carbon...
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28
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Qin Z, Zhang R, Ying S, Ma Y. Iron-catalyzed [3+2+1] annulation of 2-aminobenzimidazoles/3-aminopyrazoles and aromatic alkynes using N,N-dimethylaminoethanol as one carbon synthon for the synthesis of pyrimido[1,2-a]benzimidazoles and pyrimido[1,2-b]indazoles. Org Chem Front 2022. [DOI: 10.1039/d2qo01008a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A simple and efficient method for the synthesis of pyrimido[1,2-a]benzimidazoles and pyrimido[1,2-b]indazoles from 2-aminobenzimidazoles/3-aminoindazoles, alkynes and N,N-dimethylaminoethanol in a three-component [3+2+1] annulation catalyzed by FeCl3 has been established, where N,N-dimethylaminoethanol...
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29
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Chen XY, Zhang X, Wan JP. Recent advances in transition metal-free annulation toward heterocycle diversity based on the C-N bond cleavage of enaminone platform. Org Biomol Chem 2022; 20:2356-2369. [DOI: 10.1039/d2ob00126h] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The enaminones and analogous stable enamines are well known as platform building blocks in organic synthesis for construction of heterocyclic compounds, especially N-heterocycles. To date, especially enaminones have been successfully...
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30
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Zeng M, Liu YX, Zheng JH, Zhao L, Zhu QH, Jiang D, Ling Y, Liu W, Zeng SX. Direct α-methylenation of triazines to terminal olefins with DMA. NEW J CHEM 2022. [DOI: 10.1039/d2nj04417j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
We report an efficient metal (Cu or Ni)-catalysed α-methylenation of triazines to terminal olefins using DMA as a one-carbon source. Various substituted triazine derivatives are suitable for this reaction.
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Affiliation(s)
- Ming Zeng
- School of Pharmacy and Life Science, Jiujiang University, Jiujiang 332005, China
| | - Yi-xuan Liu
- School of Pharmacy and Life Science, Jiujiang University, Jiujiang 332005, China
| | - Jian-hui Zheng
- School of Pharmacy and Life Science, Jiujiang University, Jiujiang 332005, China
| | - Lan Zhao
- School of Pharmacy and Life Science, Jiujiang University, Jiujiang 332005, China
| | - Qi-han Zhu
- School of Pharmacy and Life Science, Jiujiang University, Jiujiang 332005, China
| | - Dengzhao Jiang
- School of Pharmacy and Life Science, Jiujiang University, Jiujiang 332005, China
| | - Yun Ling
- School of Pharmacy and Life Science, Jiujiang University, Jiujiang 332005, China
| | - Wenbo Liu
- School of Pharmacy and Life Science, Jiujiang University, Jiujiang 332005, China
| | - Shen-xin Zeng
- School of Pharmacy, Hangzhou Medical College, Hangzhou, 311399, China
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31
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Kalari S, Shinde AU, Rode HB. Methylene-Tethered Arylsulfonation and Benzotriazolation of Aryl/Heteroaryl C-H Bonds with DMSO as a One-Carbon Surrogate. J Org Chem 2021; 86:17684-17695. [PMID: 34851649 DOI: 10.1021/acs.joc.1c01914] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The Selectfluor-mediated approach toward the synthesis of methylene-tethered arylsulfonation and benzotriazolation of imidazopyridines has been described. The reaction involves imidazopyridine, aryl sulfinate, or benzotriazole and dimethyl sulfoxide (DMSO) in the presence of Selectfluor, where DMSO acts as a one-carbon synthon. The protocol has been extended to the methylene-tethered arylsulfonation and benzotriazolation of β-naphthols. The mechanistic insights show that the intermediate 3-((methylthio)methyl)-2-phenylimidazo[1,2-a]pyridine is generated from imidazopyridine, DMSO, and Selectfluor. The nucleophilic displacement by the aryl sulfinate salt or benzotriazole on the intermediate afforded the product.
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Affiliation(s)
- Saradhi Kalari
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad 500 007, India.,Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201 002, India
| | - Akash U Shinde
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad 500 007, India
| | - Haridas B Rode
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad 500 007, India.,Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201 002, India
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32
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Yang T, Nie ZW, Su MD, Li H, Luo WP, Liu Q, Guo CC. Unexpected Annulation between 2-Aminobenzyl Alcohols and Benzaldehydes in the Presence of DMSO: Regioselective Synthesis of Substituted Quinolines. J Org Chem 2021; 86:15228-15241. [PMID: 34632772 DOI: 10.1021/acs.joc.1c01850] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An unexpected annulation among 2-aminobenzyl alcohols, benzaldehydes, and DMSO to quinolines has been disclosed. For the reported annulation between 2-aminobenzyl alcohols and benzaldehydes, the change of the solvent from toluene to DMSO led to the change of the product from the diheteroatomic cyclic benzoxazines to monoheteroatomic cyclic quinolines. This annulation can be used to synthesize regioselectively different substituted quinolines by the choice of different 2-amino alcohols, aldehydes, and sulfoxides as substrates. Interestingly, introducing substituent groups to the α-position of sulfoxides resulted in the interchange of the positions between benzaldehydes and sulfoxides in the product quinolines. On the basis of the control experiments and literatures, a plausible mechanism for this annulation was proposed.
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Affiliation(s)
- Tonglin Yang
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Zhi-Wen Nie
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Miao-Dong Su
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Hui Li
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Wei-Ping Luo
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Qiang Liu
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
| | - Can-Cheng Guo
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
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33
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Liu H, He GC, Zhao CY, Zhang XX, Ji DW, Hu YC, Chen QA. Redox-Divergent Construction of (Dihydro)thiophenes with DMSO. Angew Chem Int Ed Engl 2021; 60:24284-24291. [PMID: 34460141 DOI: 10.1002/anie.202109026] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Indexed: 11/10/2022]
Abstract
Thiophene-based rings are one of the most widely used building blocks for the synthesis of sulfur-containing molecules. Inspired by the redox diversity of these features in nature, we demonstrate herein a redox-divergent construction of dihydrothiophenes, thiophenes, and bromothiophenes from the respective readily available allylic alcohols, dimethyl sulfoxide (DMSO), and HBr. The redox-divergent selectivity could be manipulated mainly by controlling the dosage of DMSO and HBr. Mechanistic studies suggest that DMSO simultaneously acts as an oxidant and a sulfur donor. The synthetic potentials of the products as platform molecules were also demonstrated by various derivatizations, including the preparation of bioactive and functional molecules.
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Affiliation(s)
- Heng Liu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Gu-Cheng He
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Chao-Yang Zhao
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiang-Xin Zhang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ding-Wei Ji
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China
| | - Yan-Cheng Hu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China
| | - Qing-An Chen
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
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34
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Redox‐Divergent Construction of (Dihydro)thiophenes with DMSO. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202109026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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35
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Prasad B, Phanindrudu M, Nanubolu JB, Kamal A, Tiwari DK. Stereoselective synthesis of ( Z)-1,3-bis(α,β-unsaturated carbonyl)-isoindolines from aldehydes and phenacyl azides under metal free conditions. Chem Commun (Camb) 2021; 57:9542-9545. [PMID: 34546244 DOI: 10.1039/d1cc02884g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Here in the present manuscript, we report our observation of an unprecedented stereoselective synthesis of 2H-isoindolin-1,3-ylidenes from 2-(formylphenyl)acrylates and phenacylazide in the presence of piperidine. Unlike in our previous findings, in which we accessed 3-keto-isoquinolines from the same starting materials under slightly modified reaction conditions, this unexpected one-pot tandem reaction allows an efficient and simple method to access a variety of highly functionalized ethyl (Z)-2-((Z)-3-(2-oxo-2-arylethylidene)-2,3-dihydro-1H-benzo[e]isoindol-1-ylidene)-acetates in very good to excellent yields (up to 91%). The present methodology is compatible with a wide variety of functional groups.
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Affiliation(s)
- Budaganaboyina Prasad
- Division of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Mandalaparthi Phanindrudu
- Division of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Jagadeesh Babu Nanubolu
- X-Ray crystallography Center CSIR-Indian Institute of Chemical Technology Uppal road, Tarnaka, Hyderabad 500607, India
| | - Ahmed Kamal
- School of Pharmaceutical Education and Research (SPER), Jamia Hamdard, 110 062, New Delhi, India
| | - Dharmendra Kumar Tiwari
- Molecular Synthesis and Drug Discovery Unit, Centre of Biomedical Research (CBMR), Raibareli Rad, Lucknow, U.P. 226014, India.
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36
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Ma JT, Wang LS, Chai Z, Chen XF, Tang BC, Chen XL, He C, Wu YD, Wu AX. Access to 2-arylquinazolines via catabolism/reconstruction of amino acids with the insertion of dimethyl sulfoxide. Chem Commun (Camb) 2021; 57:5414-5417. [PMID: 33949486 DOI: 10.1039/d1cc00623a] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Quinazoline skeletons are synthesized by amino acid catabolism/reconstruction combined with the insertion/cyclization of dimethyl sulfoxide for the first time. The amino acid acts as a carbon and nitrogen source through HI-mediated catabolism and is then reconstructed using aromatic amines and dimethyl sulfoxide (DMSO) as a one-carbon synthon. This protocol is of great significance for the further study of the conversion of amino acids.
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Affiliation(s)
- Jin-Tian Ma
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - Li-Sheng Wang
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - Zhi Chai
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - Xin-Feng Chen
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - Bo-Cheng Tang
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - Xiang-Long Chen
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - Cai He
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - Yan-Dong Wu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - An-Xin Wu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
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37
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Qin Z, Zhang R, Ma Y, Li F. Co(II)‐Catalyzed Oxidation of
N,N
‐Dimethylaminoethanol: An Efficient Synthesis of Unsymmetrical (2,4‐) and Symmetrical (2,6‐) Diarylpyridines through Annulation of Aromatic Ketones with a Nitrogen Source. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100353] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Zemin Qin
- School of Pharmaceutical Sciences Zhejiang Chinese Medical University Hangzhou 310053 P. R China
- School of Pharmaceutical and Chemical Engineering Taizhou University Taizhou 318000 P. R. China
| | - Ruiqin Zhang
- School of Pharmaceutical Sciences Zhejiang Chinese Medical University Hangzhou 310053 P. R China
| | - Yongmin Ma
- School of Pharmaceutical Sciences Zhejiang Chinese Medical University Hangzhou 310053 P. R China
- School of Pharmaceutical and Chemical Engineering Taizhou University Taizhou 318000 P. R. China
| | - Fanzhu Li
- School of Pharmaceutical Sciences Zhejiang Chinese Medical University Hangzhou 310053 P. R China
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38
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Zhang Y, Kuang J, Xiao X, Wang L, Ma Y. DMSO as a Dual Carbon Synthon and Water as Oxygen Donor for the Construction of 1,3,5-Oxadiazines from Amidines. Org Lett 2021; 23:3960-3964. [PMID: 33938756 DOI: 10.1021/acs.orglett.1c01116] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A selective and efficient synthesis of diaryl 1,3,5-oxadiazines was established for the first time from simple and readily available amidines in wet DMSO. DMSO was employed as a dual carbon synthon and water offered the oxygen atom to construct the oxadiazine ring. The reaction involved two new C-N and two new C-O bond formations.
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Affiliation(s)
- Yi Zhang
- Institute of Advanced Studies and School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, P.R. China.,College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, P.R. China
| | - Jinqiang Kuang
- Institute of Advanced Studies and School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, P.R. China
| | - Xuqiong Xiao
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, no. 2318 Yuhangtang Road, Hangzhou311121, P.R. China
| | - Lei Wang
- Institute of Advanced Studies and School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, P.R. China
| | - Yongmin Ma
- Institute of Advanced Studies and School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, P.R. China.,College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, P.R. China
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39
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Zhang Y, Chen R, Wang Z, Wang L, Ma Y. I 2-Catalyzed Three-Component Consecutive Reaction for the Synthesis of 3-Aroylimidazo[1,2- a]- N-Heterocycles. J Org Chem 2021; 86:6239-6246. [PMID: 33835809 DOI: 10.1021/acs.joc.1c00023] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A convenient one-pot, three-component reaction has been developed for the synthesis of 3-aroylimidazo[1,2-a]-N-heterocycles from aryl ketones and 2-amino-N-heterocycles using dimethyl sulfoxide as a methylene donor. The reaction proceeds smoothly catalyzed by I2 in the presence of K2S2O8 and affords the desired products in moderate to good yields. This protocol offers significant superiority in accessing biologically active 3-aroylimidazo[1,2-a]-N-heterocycles with various substitution patterns.
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Affiliation(s)
- Yi Zhang
- Institute of Advanced Studies and School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, P. R. China.,School of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou 310053, P. R. China
| | - Rener Chen
- Institute of Advanced Studies and School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, P. R. China
| | - Zhiming Wang
- Institute of Advanced Studies and School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, P. R. China
| | - Lei Wang
- Institute of Advanced Studies and School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, P. R. China
| | - Yongmin Ma
- Institute of Advanced Studies and School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, P. R. China.,School of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou 310053, P. R. China
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40
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Yuan F, Xie S, Zhuo L, Wang L, Zhu H. Metal‐Free Synthesis of 2‐Aryl Quinazolines via Tandem C−H/N−H Bond Functionalization. ChemistrySelect 2021. [DOI: 10.1002/slct.202100990] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Feixiang Yuan
- College of Chemistry and Molecular Engineering Nanjing Tech University No. 30 North Puzhu Road Nanjing 211816 P. R. China
| | - Shihua Xie
- College of Chemistry and Molecular Engineering Nanjing Tech University No. 30 North Puzhu Road Nanjing 211816 P. R. China
| | - Liang Zhuo
- College of Chemistry and Molecular Engineering Nanjing Tech University No. 30 North Puzhu Road Nanjing 211816 P. R. China
| | - Lei Wang
- College of Chemistry and Molecular Engineering Nanjing Tech University No. 30 North Puzhu Road Nanjing 211816 P. R. China
| | - Hongjun Zhu
- College of Chemistry and Molecular Engineering Nanjing Tech University No. 30 North Puzhu Road Nanjing 211816 P. R. China
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41
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Luo R, Guo L, Liu W, Wang S. Copper-catalyzed synthesis of phenolic compounds with DMSO as the methylene source. SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2021.1902536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Run Luo
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Guangzhou, China
| | - Lina Guo
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Guangzhou, China
| | - Wenjie Liu
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Guangzhou, China
- Guangdong Cosmetics Engineering & Technology Research Center, Guangzhou, China
| | - Shaohua Wang
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Guangzhou, China
- Guangdong Cosmetics Engineering & Technology Research Center, Guangzhou, China
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42
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43
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Zhuang S, Tang Y, He C, Chen X, Xue W, Wu Y, Wu A. Copper‐catalyzed Reaction of Anthranils with Methyl Ketones: Site‐Selective C5‐Dicarbonylation of Anthranils. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001334] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Shi‐Yi Zhuang
- Key Laboratory of Pesticide & Chemical Biology Ministry of Education College of Chemistry Central China Normal University Wuhan 430079 People's Republic of China
| | - Yong‐Xing Tang
- Key Laboratory of Pesticide & Chemical Biology Ministry of Education College of Chemistry Central China Normal University Wuhan 430079 People's Republic of China
| | - Cai He
- Key Laboratory of Pesticide & Chemical Biology Ministry of Education College of Chemistry Central China Normal University Wuhan 430079 People's Republic of China
| | - Xiang‐Long Chen
- Key Laboratory of Pesticide & Chemical Biology Ministry of Education College of Chemistry Central China Normal University Wuhan 430079 People's Republic of China
| | - Wei‐Jian Xue
- College of Chemistry and Chemical Engineering Qiqihar University Qiqihar 161006 People's Republic of China
| | - Yan‐Dong Wu
- Key Laboratory of Pesticide & Chemical Biology Ministry of Education College of Chemistry Central China Normal University Wuhan 430079 People's Republic of China
| | - An‐Xin Wu
- Key Laboratory of Pesticide & Chemical Biology Ministry of Education College of Chemistry Central China Normal University Wuhan 430079 People's Republic of China
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44
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Yadav P, Awasthi A, Gokulnath S, Tiwari DK. DMSO as a Methine Source in TFA-Mediated One-Pot Tandem Regioselective Synthesis of 3-Substituted-1-Aryl-1H-Pyrazolo-[3,4-b]quinolines from Anilines and Pyrazolones. J Org Chem 2021; 86:2658-2666. [DOI: 10.1021/acs.joc.0c02696] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Pushpendra Yadav
- Molecular Synthesis and Drug Discovery Laboratory, Center of Biomedical Research (CBMR), Sanjay Gandhi Post-Graduate Institute of Medical Sciences Campus, Raebareli Road, Lucknow 226014, Uttar Pradesh, India
- Department of Chemistry, Institute of Science, Banaras Hindu University, 221005 Varanasi, Uttar Pradesh, India
| | - Annapurna Awasthi
- Molecular Synthesis and Drug Discovery Laboratory, Center of Biomedical Research (CBMR), Sanjay Gandhi Post-Graduate Institute of Medical Sciences Campus, Raebareli Road, Lucknow 226014, Uttar Pradesh, India
- Department of Chemistry, Institute of Science, Banaras Hindu University, 221005 Varanasi, Uttar Pradesh, India
| | - Sabapathi Gokulnath
- School of Chemistry, Indian Institute of Science Education and Research (IISER), Maruthamala P.O., Vithura, Thiruvananthapuram 695 551, Kerala, India
| | - Dharmendra Kumar Tiwari
- Molecular Synthesis and Drug Discovery Laboratory, Center of Biomedical Research (CBMR), Sanjay Gandhi Post-Graduate Institute of Medical Sciences Campus, Raebareli Road, Lucknow 226014, Uttar Pradesh, India
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45
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Dong J, Wang L, Li H, Leng X, Guo X, Hu Z, Xu X. Self-cyclization vs. dimerization of o-alkenyl arylisocyanides: chemodivergent synthesis of quinolines and pyrrolo-fused diindoles. Org Chem Front 2021. [DOI: 10.1039/d1qo00132a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Solvent-dependent chemoselective MBH-type self-cyclization and dimerization of o-alkenyl arylisocyanides were developed for the efficient and chemodivergent synthesis of various 3-acylquinoline and pyrrolo-fused diindole frameworks.
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Affiliation(s)
- Jinhuan Dong
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes
- Ministry of Education
| | - Lei Wang
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes
- Ministry of Education
| | - Haoyue Li
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes
- Ministry of Education
| | - Xinrong Leng
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes
- Ministry of Education
| | - Xiaoyu Guo
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes
- Ministry of Education
| | - Zhongyan Hu
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes
- Ministry of Education
| | - Xianxiu Xu
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes
- Ministry of Education
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46
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Gu X, Meng L, Li M, Wang J(J. Highly enantioselective access to chiral chromanes and thiochromanes via Cu-catalyzed hydroamination with anthranils. Org Chem Front 2021. [DOI: 10.1039/d1qo00030f] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Highly efficient and atom-economic asymmetric access to 4-arylamino chromanes and thiochromanes bearing a benzylic alcohol functionality were developed by Cu(i)/(R,R)-Ph-BPE-catalyzed enantioselective hydroamination with anthranils.
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Affiliation(s)
- Xiaodong Gu
- Department of Chemistry
- Southern University of Science and Technology
- Shenzhen 518055
- China
| | - Ling Meng
- Department of Chemistry
- Hong Kong Baptist University
- Kowloon
- Hong Kong
- Institute of Research and Continuing Education
| | - Mingliang Li
- Department of Chemistry
- Southern University of Science and Technology
- Shenzhen 518055
- China
| | - Jun (Joelle) Wang
- Department of Chemistry
- Southern University of Science and Technology
- Shenzhen 518055
- China
- Department of Chemistry
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47
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Awasthi A, Yadav P, Tiwari DK. A three-component, general and practical route for diastereoselective synthesis of aza-spirocyclic pyrazolones via a decarboxylative annulation process. NEW J CHEM 2021. [DOI: 10.1039/d0nj05915c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient, general, and practical route for highly diastereoselective synthesis of aza-spirocyclic pyrazolones from easily available α-amino acids, aldehydes, and alkylidene pyrazolones by means of a decarboxylative annulation process is reported.
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Affiliation(s)
- Annapurna Awasthi
- Molecular Synthesis and Drug Discovery Unit
- Center of Biomedical Research (CBMR)
- SGPGIMS Campus
- Lucknow
- India
| | - Pushpendra Yadav
- Molecular Synthesis and Drug Discovery Unit
- Center of Biomedical Research (CBMR)
- SGPGIMS Campus
- Lucknow
- India
| | - Dharmendra Kumar Tiwari
- Molecular Synthesis and Drug Discovery Unit
- Center of Biomedical Research (CBMR)
- SGPGIMS Campus
- Lucknow
- India
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48
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Zhang Y, Ding Y, Chen R, Ma Y. One‐pot Cascade Reaction for the Synthesis of Phenanthridines via Suzuki Coupling/C−H Oxidation/Aromatization. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000949] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Yi Zhang
- Institute of Advanced Studies and School of Pharmaceutical and Chemical Engineering Taizhou University 1139 Shifu Avenue Taizhou, 318000 People's Republic of China
- School of Pharmaceutical Science Zhejiang Chinese Medical University Hangzhou 310053 People's Republic of China
| | - Yuxin Ding
- Institute of Advanced Studies and School of Pharmaceutical and Chemical Engineering Taizhou University 1139 Shifu Avenue Taizhou, 318000 People's Republic of China
- School of Pharmaceutical Science Zhejiang Chinese Medical University Hangzhou 310053 People's Republic of China
| | - Rener Chen
- Institute of Advanced Studies and School of Pharmaceutical and Chemical Engineering Taizhou University 1139 Shifu Avenue Taizhou, 318000 People's Republic of China
| | - Yongmin Ma
- Institute of Advanced Studies and School of Pharmaceutical and Chemical Engineering Taizhou University 1139 Shifu Avenue Taizhou, 318000 People's Republic of China
- School of Pharmaceutical Science Zhejiang Chinese Medical University Hangzhou 310053 People's Republic of China
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49
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Hassan SM, Morsy JM, Hassanin HM, Othman ES. Synthesis and cytotoxic evaluation of novel brominated
N
‐alkyl pyrano[3,2‐
c
]quinolinones. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.4169] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Shrouk M. Hassan
- Department of Chemistry, Faculty of Education Ain Shams University Cairo Egypt
| | - Jehan M. Morsy
- Department of Chemistry, Faculty of Education Ain Shams University Cairo Egypt
| | - Hany M. Hassanin
- Department of Chemistry, Faculty of Education Ain Shams University Cairo Egypt
| | - Elham S. Othman
- Department of Chemistry, Faculty of Education Ain Shams University Cairo Egypt
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50
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Awasthi A, Yadav P, Kumar V, Tiwari DK. α‐Amino Acids Mediated C−C Double Bonds Cleavage in Diastereoselective Synthesis of Aza‐Spirocyclic Pyrazolones. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000884] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Annapurna Awasthi
- Molecular Synthesis and Drug Discovery Laboratory Center of Biomedical Research (CBMR) Sanjay Gandhi Post Graduate Institute of Medical Sciences Campus Raebareli Road Lucknow 226014 India
- Department of Chemistry Institute of Science Banaras Hindu University 221005 Varanasi Uttar Pradesh India
| | - Pushpendra Yadav
- Molecular Synthesis and Drug Discovery Laboratory Center of Biomedical Research (CBMR) Sanjay Gandhi Post Graduate Institute of Medical Sciences Campus Raebareli Road Lucknow 226014 India
- Department of Chemistry Institute of Science Banaras Hindu University 221005 Varanasi Uttar Pradesh India
| | - Virendra Kumar
- School of Basic Sciences Indian Institute of Technology Bhubaneswar Argul Khurdha 752050 Odisha India
| | - Dharmendra Kumar Tiwari
- Molecular Synthesis and Drug Discovery Laboratory Center of Biomedical Research (CBMR) Sanjay Gandhi Post Graduate Institute of Medical Sciences Campus Raebareli Road Lucknow 226014 India
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