1
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Manikandan B, Thamotharan S, Blacque O, Selva Ganesan S. Deconstructive annulation mediated one-pot synthesis of xanthene derivatives. Org Biomol Chem 2024; 22:3279-3286. [PMID: 38572985 DOI: 10.1039/d4ob00093e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2024]
Abstract
Direct conversion of naphthoxazines to diverse xanthene derivatives was achieved under one-pot operation through deconstructive annulation methodology. Sequential oxidative C(sp3)-O/C(sp3)-N cleavage followed by intramolecular/intermolecular annulation reaction was carried out under aerobic reaction conditions. Mechanistic analyses performed on the substrate revealed that the C(sp3)-O bond cleavage supersedes the C(sp3)-N bond scission. The in situ generated Betti base intermediate through the C(sp3)-O cleavage was successfully isolated. Based on a molecular docking investigation, the intermolecular annulated products demonstrated good α-glucosidase inhibitory properties.
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Affiliation(s)
- Balasubramaniyam Manikandan
- Department of Chemistry, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur-613401, Tamil Nadu, India.
| | - Subbiah Thamotharan
- Biomolecular Crystallography Laboratory and DBT-Bioinformatics Center, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, 613401, Tamil Nadu, India
| | - Olivier Blacque
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
| | - Subramaniapillai Selva Ganesan
- Department of Chemistry, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur-613401, Tamil Nadu, India.
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2
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Olyaei A, Sadeghpour M. Recent advances in the transformation reactions of the Betti base derivatives. RSC Adv 2024; 14:11811-11848. [PMID: 38617570 PMCID: PMC11009842 DOI: 10.1039/d4ra01256a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Accepted: 04/07/2024] [Indexed: 04/16/2024] Open
Abstract
Betti bases are the products resulting from the one-pot multicomponent reaction involving 1-naphthol/2-naphthol, aliphatic/aromatic aldehydes, and secondary amines. This chemical process is commonly referred to as the Betti reaction. The significance of Betti bases in medicinal chemistry has grown substantially due to their diverse array of pharmacological applications. Furthermore, their synthetic utility is considerable, given their use as catalysts and ligands in asymmetric synthesis. Moreover, Mannich products, incorporating diverse functional groups such as -OH and -NH, find application in a range of organic reactions. This utilization enables the synthesis of novel C-C bond linkages and diverse heterocycles, including biologically active naphthoxazines, which hold biological applications such as antibacterial, antifungal and anticancer. The focus of this review article is on the application of aminonaphthol derivatives in transformation reactions and the synthesis of organic compounds, with particular emphasis on heterocycles.
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Affiliation(s)
- Abolfazl Olyaei
- Department of Chemistry, Faculty of Science, Imam Khomeini International University Qazvin Iran
| | - Mahdieh Sadeghpour
- Department of Chemistry, Qazvin Branch, Islamic Azad University Qazvin Iran
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3
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Alsharif MA, Ahmed N, Issa Alahmdi M, Mukhtar S, Parveen H, Obaid RJ, SA Almalki A. Divergent Synthesis of Fused Benzo-xanthene and Oxazine derivatives via Cu-catalyst. JOURNAL OF SAUDI CHEMICAL SOCIETY 2022. [DOI: 10.1016/j.jscs.2022.101568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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4
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Ishihara R, Okamura K, Yoshimura Y, Ueno S. Diamine‐Promoted Deacylation of 2‐Alkyl‐1,3‐Diketones for the Facile Synthesis of Ketones. ChemistrySelect 2022. [DOI: 10.1002/slct.202202717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Rei Ishihara
- Department of Applied Chemistry Graduate School of Engineering Tokyo University of Technology 1404-1 Katakura, Hachioji Tokyo 192–0982 Japan
| | - Kota Okamura
- Department of Applied Chemistry Graduate School of Engineering Tokyo University of Technology 1404-1 Katakura, Hachioji Tokyo 192–0982 Japan
| | - Yuki Yoshimura
- Department of Applied Chemistry Graduate School of Engineering Tokyo University of Technology 1404-1 Katakura, Hachioji Tokyo 192–0982 Japan
| | - Satoshi Ueno
- Department of Applied Chemistry Graduate School of Engineering Tokyo University of Technology 1404-1 Katakura, Hachioji Tokyo 192–0982 Japan
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5
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Prasanna Kumari S, Naveen B, Suresh Kumar P, Selva Ganesan S. Cu/TBHP mediated tetrahydroquinoline synthesis in water via oxidative cyclization reaction. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02462-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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6
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Yu H, Zhang Z, Zhang X, Xu Y, Huo D, Zhang L, Wang W. Green Tandem [5C + 1C] Cycloaromatization of α-Alkenoyl Ketene Dithioacetals and Nitroethane in Water: Eco-Friendly Synthesis of Ortho-Acylphenols. J Org Chem 2022; 87:2985-2996. [PMID: 35132856 DOI: 10.1021/acs.joc.1c02825] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
For the first time, an eco-friendly and sustainable tandem [5C + 1C] cycloaromatization of α-alkenoyl ketene dithioacetals and nitroethane in water for the efficient synthesis of ortho-acylphenols was reported. In refluxing water, a range of α-alkenoyl ketene dithioacetals and nitroethane smoothly underwent tandem Michael addition/cyclization/aromatization reactions in the presence of 2.0 equivalents of DBU to provide various ortho-acylphenols in excellent yields. The green approach to ortho-acylphenols not only avoided the use of harmful organic solvents, which could result in serious environmental and safety issues, but also exhibited fascinating features such as good substrate scope, excellent yields, simple purification for desired products, ease of scale-up, and reusable aqueous medium.
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Affiliation(s)
- Haifeng Yu
- College of Chemistry, Baicheng Normal University, Baicheng, Jilin 137000, China
| | - Zheyu Zhang
- College of Chemistry, Baicheng Normal University, Baicheng, Jilin 137000, China
| | - Xue Zhang
- College of Chemistry, Baicheng Normal University, Baicheng, Jilin 137000, China
| | - Yupeng Xu
- College of Chemistry, Baicheng Normal University, Baicheng, Jilin 137000, China
| | - Dongyue Huo
- College of Chemistry, Baicheng Normal University, Baicheng, Jilin 137000, China
| | - Lanyun Zhang
- College of Chemistry, Baicheng Normal University, Baicheng, Jilin 137000, China
| | - Wenju Wang
- College of Chemistry, Baicheng Normal University, Baicheng, Jilin 137000, China
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7
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Kommuri VC, Tadiparthi K, Pawar L, Arunachalampillai A. A Simple and Efficient Ligand-Free Copper-Catalyzed C-N Bond Formation of Aryl (Hetero) Halides and N-Heteroaryl Amines. Polycycl Aromat Compd 2021. [DOI: 10.1080/10406638.2021.2019802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
| | | | - Lokesh Pawar
- Department of Chemistry, CHRIST (Deemed to be University), Bangalore, India
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8
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A new and efficient approach to 2-hydroxybenzophenone derivatives via [5C + 1C] annulation of α-alkenoyl-α-aroyl ketene dithioacetals and nitroalkanes. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132427] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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9
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Abstract
Asperversin A represents the first example of a steroid-sterigmatocystin heterodimer. We report the concise asymmetric total synthesis of this natural product in 11 steps (the longest linear sequence). The polycyclic ring system was constructed by a cascade dialdehyde cyclization and the late stage xanthene formation by a phenol-assisted reductive alkylation and a SNAr reaction. The acetal linkage with ergosterol peroxide was furnished by a glycosylation-inspired approach.
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Affiliation(s)
- Zhi Zhang
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Beijing Advanced Innovation Center for Structural Biology & Frontier Research Center for Biological Structure, Tsinghua University, Beijing 100084, China
| | - Liansuo Zu
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Beijing Advanced Innovation Center for Structural Biology & Frontier Research Center for Biological Structure, Tsinghua University, Beijing 100084, China
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10
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Xiao L, Lang TT, Jiang Y, Zang ZL, Zhou CH, Cai GX. Aerobic Copper-Catalyzed Salicylaldehydic C formyl -H Arylations with Arylboronic Acids. Chemistry 2021; 27:3278-3283. [PMID: 33289166 DOI: 10.1002/chem.202004810] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 12/01/2020] [Indexed: 12/15/2022]
Abstract
We report a challenging copper-catalyzed Cformyl -H arylation of salicylaldehydes with arylboronic acids that involves unique salicylaldehydic copper species that differ from reported salicylaldehydic rhodacycles and palladacycles. This protocol has high chemoselectivity for the Cformyl -H bond compared to the phenolic O-H bond involving copper catalysis under high reaction temperatures. This approach is compatible with a wide range of salicylaldehyde and arylboronic acid substrates, including estrone and carbazole derivatives, which leads to the corresponding arylation products. Mechanistic studies show that the 2-hydroxy group of the salicylaldehyde substrate triggers the formation of salicylaldehydic copper complexes through a CuI /CuII /CuIII catalytic cycle.
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Affiliation(s)
- Lin Xiao
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Tao-Tao Lang
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Ying Jiang
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Zhong-Lin Zang
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Cheng-He Zhou
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Gui-Xin Cai
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
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11
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Deb ML, Saikia BS, Borpatra PJ, Baruah PK. α-C–H functionalization of tertiary amines catalyzed/promoted by molecular iodine/derivatives. NEW J CHEM 2021. [DOI: 10.1039/d1nj02695j] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A recent review on the α-C–H functionalization of tertiary amines using low-cost and benign I2 or its derivatives.
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Affiliation(s)
- Mohit L. Deb
- Department of Applied Sciences
- GUIST
- Gauhati University
- Guwahati 781014
- India
| | - B. Shriya Saikia
- Department of Applied Sciences
- GUIST
- Gauhati University
- Guwahati 781014
- India
| | - Paran J. Borpatra
- Department of Applied Sciences
- GUIST
- Gauhati University
- Guwahati 781014
- India
| | - Pranjal K. Baruah
- Department of Applied Sciences
- GUIST
- Gauhati University
- Guwahati 781014
- India
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12
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Li Q, Yang L, Liu W, Wang T, Zhu Y, Du Z. Formylation of Phenols and Paraformaldehyde Catalyzed by Ammonium Acetate. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202011014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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13
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Tang S, Rauch M, Montag M, Diskin-Posner Y, Ben-David Y, Milstein D. Catalytic Oxidative Deamination by Water with H 2 Liberation. J Am Chem Soc 2020; 142:20875-20882. [PMID: 33237749 PMCID: PMC7729941 DOI: 10.1021/jacs.0c10826] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Indexed: 01/05/2023]
Abstract
Selective oxidative deamination has long been considered to be an important but challenging transformation, although it is a common critical process in the metabolism of bioactive amino compounds. Most of the synthetic methods developed so far rely on the use of stoichiometric amounts of strong and toxic oxidants. Here we present a green and efficient method for oxidative deamination, using water as the oxidant, catalyzed by a ruthenium pincer complex. This unprecedented reaction protocol liberates hydrogen gas and avoids the use of sacrificial oxidants. A wide variety of primary amines are selectively transformed to carboxylates or ketones in good to high yields. It is noteworthy that mechanistic experiments and DFT calculations indicate that in addition to serving as the oxidant, water also plays an important role in assisting the hydrogen liberation steps involved in amine dehydrogenation.
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Affiliation(s)
- Shan Tang
- Department
of Organic Chemistry, and Chemical Research Support, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Michael Rauch
- Department
of Organic Chemistry, and Chemical Research Support, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Michael Montag
- Department
of Organic Chemistry, and Chemical Research Support, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Yael Diskin-Posner
- Department
of Organic Chemistry, and Chemical Research Support, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Yehoshoa Ben-David
- Department
of Organic Chemistry, and Chemical Research Support, Weizmann Institute of Science, Rehovot 76100, Israel
| | - David Milstein
- Department
of Organic Chemistry, and Chemical Research Support, Weizmann Institute of Science, Rehovot 76100, Israel
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14
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15
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Palchykov VA, Gaponov AA. 1,3-Amino alcohols and their phenol analogs in heterocyclization reactions. ADVANCES IN HETEROCYCLIC CHEMISTRY 2020. [DOI: 10.1016/bs.aihch.2019.06.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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16
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Mu QC, Nie YX, Bai XF, Chen J, Yang L, Xu Z, Li L, Xia CG, Xu LW. Tertiary amine-directed and involved carbonylative cyclizations through Pd/Cu-cocatalyzed multiple C-X (X = H or N) bond cleavage. Chem Sci 2019; 10:9292-9301. [PMID: 32055315 PMCID: PMC7003976 DOI: 10.1039/c9sc03081f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Accepted: 08/17/2019] [Indexed: 01/01/2023] Open
Abstract
A novel Pd/Cu-cocatalyzed carbonylative cyclization by C-H activation and N-dealkylative C-N bond activation has been developed for the chemoselective construction of synthetically useful heterocycles. The N,N-dimethylamine group on o-indolyl-N,N-dimethylarylamines was found to act as both the directing group and reactive component in this C-H carbonylative cyclization reaction. Furthermore, a unique C-H oxidation/carbonylative lactonization of diarylmethylamines is firstly demonstrated under modified reaction conditions, which could be easily applicable to the one-step synthesis of multi-substituted phthalides bearing an N,O-ketal skeleton that is difficult to access by previously reported methods. Mechanistic studies implicate that Pd/Cu-cocatalyzed C-H oxidation/carbonylative lactonization is a sequential reaction system via Cu-catalyzed C(sp3)-H oxidation and Pd-catalyzed oxidative carbonylation of the C(sp2)-H bond. It was found that trace amounts of water are essential to promote the Cu-catalyzed C(sp3)-H oxidation of diarylmethylamine for the formation of the hydroxyl group, which could act as an in situ-formed directing group in the intramolecular carbonylative lactonization step.
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Affiliation(s)
- Qiu-Chao Mu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation , Suzhou Research Institute (SRI) , Lanzhou Institute of Chemical Physics (LICP) , University of the Chinese Academy of Sciences (UCAS) , Lanzhou 730000 , P. R. China . ;
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education , Key Laboratory of Organosilicon Material Technology of Zhejiang Province , Hangzhou Normal University , Hangzhou 311121 , P. R. China .
| | - Yi-Xue Nie
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education , Key Laboratory of Organosilicon Material Technology of Zhejiang Province , Hangzhou Normal University , Hangzhou 311121 , P. R. China .
| | - Xing-Feng Bai
- State Key Laboratory for Oxo Synthesis and Selective Oxidation , Suzhou Research Institute (SRI) , Lanzhou Institute of Chemical Physics (LICP) , University of the Chinese Academy of Sciences (UCAS) , Lanzhou 730000 , P. R. China . ;
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education , Key Laboratory of Organosilicon Material Technology of Zhejiang Province , Hangzhou Normal University , Hangzhou 311121 , P. R. China .
| | - Jing Chen
- State Key Laboratory for Oxo Synthesis and Selective Oxidation , Suzhou Research Institute (SRI) , Lanzhou Institute of Chemical Physics (LICP) , University of the Chinese Academy of Sciences (UCAS) , Lanzhou 730000 , P. R. China . ;
| | - Lei Yang
- State Key Laboratory for Oxo Synthesis and Selective Oxidation , Suzhou Research Institute (SRI) , Lanzhou Institute of Chemical Physics (LICP) , University of the Chinese Academy of Sciences (UCAS) , Lanzhou 730000 , P. R. China . ;
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education , Key Laboratory of Organosilicon Material Technology of Zhejiang Province , Hangzhou Normal University , Hangzhou 311121 , P. R. China .
| | - Zheng Xu
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education , Key Laboratory of Organosilicon Material Technology of Zhejiang Province , Hangzhou Normal University , Hangzhou 311121 , P. R. China .
| | - Li Li
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education , Key Laboratory of Organosilicon Material Technology of Zhejiang Province , Hangzhou Normal University , Hangzhou 311121 , P. R. China .
| | - Chun-Gu Xia
- State Key Laboratory for Oxo Synthesis and Selective Oxidation , Suzhou Research Institute (SRI) , Lanzhou Institute of Chemical Physics (LICP) , University of the Chinese Academy of Sciences (UCAS) , Lanzhou 730000 , P. R. China . ;
| | - Li-Wen Xu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation , Suzhou Research Institute (SRI) , Lanzhou Institute of Chemical Physics (LICP) , University of the Chinese Academy of Sciences (UCAS) , Lanzhou 730000 , P. R. China . ;
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education , Key Laboratory of Organosilicon Material Technology of Zhejiang Province , Hangzhou Normal University , Hangzhou 311121 , P. R. China .
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17
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Sanaeishoar H, Daneshyar M. Synthesis γ-Fe2O3@KIT-1 Nanocomposite and Its Catalytic Application in Preparation of Aminoalkylnaphtols. Polycycl Aromat Compd 2019. [DOI: 10.1080/10406638.2019.1676268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Haleh Sanaeishoar
- Department of Chemistry, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
| | - Maryam Daneshyar
- Department of Chemistry, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
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18
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Cu(I)/Fe(III) promoted dicarbonylation of aminopyrazole via oxidative C H coupling with methyl ketones. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.03.059] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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19
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Borpatra PJ, Rastogi GK, Saikia MB, Deb ML, Baruah PK. Multi‐Component Reaction of 6‐Aminouracils, Aldehydes and Secondary Amines: Conversion of the Products into Pyrimido[4,5‐
d
]pyrimidines through C‐H Amination/Cyclization. ChemistrySelect 2019. [DOI: 10.1002/slct.201900210] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Paran J. Borpatra
- Department of Applied Sciences, GUISTGauhati University, Guwahati- 781014 Assam India
| | - Gaurav K. Rastogi
- Department of Applied Sciences, GUISTGauhati University, Guwahati- 781014 Assam India
- Applied Organic Chemistry, CSIR-NEIST Jorhat- 785006 Assam
| | - Ms. B‐S. Saikia
- Department of Applied Sciences, GUISTGauhati University, Guwahati- 781014 Assam India
| | - Mohit L. Deb
- Department of Applied Sciences, GUISTGauhati University, Guwahati- 781014 Assam India
| | - Pranjal K. Baruah
- Department of Applied Sciences, GUISTGauhati University, Guwahati- 781014 Assam India
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20
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Wang P, Zhang J, Wang T, Liang Y, Zhang Z. Synthesis of (2-hydroxyphenyl)(fusedphenyl)methanones via the photo-induced rearrangement of 2′-arylisoflavones. Org Biomol Chem 2019; 17:851-858. [DOI: 10.1039/c8ob02779j] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The photo-induced rearrangement of 2′-arylisoflavones (aryl = phenyl, 1-naphenyl, and 2-naphenyl) for the synthesis of (2-hydroxyphenyl)(fusedphenyl)methanones in EtOH under Ar at room temperature has been developed.
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Affiliation(s)
- Pei Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China
- and School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi'an 710119
| | - Jin Zhang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China
- and School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi'an 710119
| | - Tao Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China
- and School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi'an 710119
| | - Yong Liang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China
- and School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi'an 710119
| | - Zunting Zhang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China
- and School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi'an 710119
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21
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Borpatra PJ, Deka B, Deb ML, Baruah PK. Recent advances in intramolecular C–O/C–N/C–S bond formationviaC–H functionalization. Org Chem Front 2019. [DOI: 10.1039/c9qo00863b] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This review presents the construction of C–X bonds (X = O/N/S) by using intramolecular C–H functionalization for the synthesis of heterocyclic compounds.
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Affiliation(s)
- Paran J. Borpatra
- Department of Applied Sciences
- GUIST
- Gauhati University
- Guwahati-781014
- India
| | - Bhaskar Deka
- Department of Applied Sciences
- GUIST
- Gauhati University
- Guwahati-781014
- India
| | - Mohit L. Deb
- Department of Applied Sciences
- GUIST
- Gauhati University
- Guwahati-781014
- India
| | - Pranjal K. Baruah
- Department of Applied Sciences
- GUIST
- Gauhati University
- Guwahati-781014
- India
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22
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Bosica G, Abdilla R, Demanuele K. Revisiting the Betti Synthesis: Using a Cheap, Readily Available, Recyclable Clay Catalyst under Solventless Conditions. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800826] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Giovanna Bosica
- Department of Chemistry; University of Malta; MSD2080 Malta Malta
| | - Roderick Abdilla
- Department of Chemistry; University of Malta; MSD2080 Malta Malta
| | - Kaylie Demanuele
- Department of Chemistry; University of Malta; MSD2080 Malta Malta
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23
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Qi B, Guo S, Zhang W, Yu X, Song C, Zhu J. Rh(III)-Catalyzed Enaminone-Directed Alkenyl C–H Activation for the Synthesis of Salicylaldehydes. Org Lett 2018; 20:3996-3999. [DOI: 10.1021/acs.orglett.8b01563] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Bing Qi
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, China
| | - Shan Guo
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, China
| | - Wenjing Zhang
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, China
| | - Xiaolong Yu
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, China
| | - Chao Song
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, China
| | - Jin Zhu
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, China
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Deb ML, Saikia BS, Rastogi GK, Baruah PK. Oxidative Coupling of Naphthols to Ketones: An Approach to 1,2-Diketones. ChemistrySelect 2018. [DOI: 10.1002/slct.201702831] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Mohit L. Deb
- Department of Applied Sciences; GUIST; Gauhati University; Guwahati-781014, Assam India
| | - B-Shriya Saikia
- Department of Applied Sciences; GUIST; Gauhati University; Guwahati-781014, Assam India
| | - Gaurav K. Rastogi
- Department of Applied Sciences; GUIST; Gauhati University; Guwahati-781014, Assam India
- Applied Organic Chemistry; CSIR-NEIST; Jorhat-785006 Assam
| | - Pranjal K. Baruah
- Department of Applied Sciences; GUIST; Gauhati University; Guwahati-781014, Assam India
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25
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François B, Szczubelek L, Berrée F, Roisnel T, Carboni B. Palladium-Catalyzed Cross-Coupling/Annulation Cascade for Synthesis of 9-Hydroxy and 9-Aminofluorenes. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201701146] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Benjamin François
- Institut des Sciences Chimiques de Rennes; UMR CNRS 6226; Université de Rennes 1; 263, Avenue du Général Leclerc, Campus de Beaulieu 35042 Rennes CEDEX France
| | - Luc Szczubelek
- Institut des Sciences Chimiques de Rennes; UMR CNRS 6226; Université de Rennes 1; 263, Avenue du Général Leclerc, Campus de Beaulieu 35042 Rennes CEDEX France
| | - Fabienne Berrée
- Institut des Sciences Chimiques de Rennes; UMR CNRS 6226; Université de Rennes 1; 263, Avenue du Général Leclerc, Campus de Beaulieu 35042 Rennes CEDEX France
| | - Thierry Roisnel
- Institut des Sciences Chimiques de Rennes; UMR CNRS 6226; Université de Rennes 1; 263, Avenue du Général Leclerc, Campus de Beaulieu 35042 Rennes CEDEX France
| | - Bertrand Carboni
- Institut des Sciences Chimiques de Rennes; UMR CNRS 6226; Université de Rennes 1; 263, Avenue du Général Leclerc, Campus de Beaulieu 35042 Rennes CEDEX France
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26
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Borpatra PJ, Deb ML, Baruah PK. Visible light-promoted metal-free intramolecular cross dehydrogenative coupling approach to 1,3-oxazines. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.09.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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27
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Deb ML, Borpatra PJ, Pegu CD, Thakuria R, Saikia PJ, Baruah PK. Iodine/tert-Butyl Hydroperoxide-Mediated Reaction of Indoles with Dimethylformamide/Dimethylacetamide to Synthesize Bis- and Tris(indolyl)methanes. ChemistrySelect 2017. [DOI: 10.1002/slct.201601857] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Mohit L. Deb
- Department of Applied Sciences, GUIST; Gauhati University; Guwahati 781014 Assam India
| | - Paran J. Borpatra
- Department of Applied Sciences, GUIST; Gauhati University; Guwahati 781014 Assam India
| | - Choitanya Dev Pegu
- Department of Applied Sciences, GUIST; Gauhati University; Guwahati 781014 Assam India
| | - Ranjit Thakuria
- Department of Chemistry; Gauhati University; Guwahati- 781014 Assam India
| | - Prakash J. Saikia
- Analytical Chemistry Division; CSIR-NEIST; Jorhat- 785006, Assam India
| | - Pranjal K. Baruah
- Department of Applied Sciences, GUIST; Gauhati University; Guwahati 781014 Assam India
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28
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Deb ML, Borpatra PJ, Saikia PJ, Baruah PK. Introducing tetramethylurea as a new methylene precursor: a microwave-assisted RuCl3-catalyzed cross dehydrogenative coupling approach to bis(indolyl)methanes. Org Biomol Chem 2017; 15:1435-1443. [DOI: 10.1039/c6ob02671k] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The microwave-assisted synthesis of symmetrical/unsymmetrical bis(indolyl)methanes using tetramethylurea as a methylene source.
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Affiliation(s)
- Mohit L. Deb
- Department of Applied Sciences
- GUIST
- Gauhati University
- Guwahati-781014
- India
| | - Paran J. Borpatra
- Department of Applied Sciences
- GUIST
- Gauhati University
- Guwahati-781014
- India
| | | | - Pranjal K. Baruah
- Department of Applied Sciences
- GUIST
- Gauhati University
- Guwahati-781014
- India
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29
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Deb ML, Pegu CD, Deka B, Dutta P, Kotmale AS, Baruah PK. Brønsted-Acid-Mediated Divergent Reactions of Betti Bases with Indoles: An Approach to Chromeno[2,3-b]indoles through Intramolecular Dehydrogenative C2-Alkoxylation of Indole. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600546] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Mohit L. Deb
- Department of Applied Sciences; GUIST; Gauhati University; 781014 Guwahati Assam India
| | - Choitanya Dev Pegu
- Department of Applied Sciences; GUIST; Gauhati University; 781014 Guwahati Assam India
| | - Bhaskar Deka
- Department of Applied Sciences; GUIST; Gauhati University; 781014 Guwahati Assam India
| | - Prantu Dutta
- Department of Applied Sciences; GUIST; Gauhati University; 781014 Guwahati Assam India
| | - Amol S. Kotmale
- Central NMR Facility; National Chemical Laboratory; 411008 Pune India
| | - Pranjal K. Baruah
- Department of Applied Sciences; GUIST; Gauhati University; 781014 Guwahati Assam India
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