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Body N, Lefebvre C, Eeckhout S, Léonard AS, Troian-Gautier L, Hermans S, Riant O. Structure-Activity Relationship of Benzophenazine Derivatives for Homogeneous and Heterogenized Photooxygenation Catalysis. Chemistry 2024; 30:e202400242. [PMID: 38805006 DOI: 10.1002/chem.202400242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 05/27/2024] [Accepted: 05/28/2024] [Indexed: 05/29/2024]
Abstract
Singlet oxygen is a powerful oxidant used in various applications, such as organic synthesis, medicine, and environmental remediation. Organic and inorganic photosensitizers are commonly used to generate this reactive species through energy transfer with the triplet ground state of oxygen. We describe here a series of novel benzophenazine derivatives as a promising class of photosensitizers for singlet oxygen photosensitization. In this study, we investigated the structure-activity relationship of these benzophenazine derivatives. Akin to a molecular compass, the southern fragment was first functionalized with either aromatic tertiary amines, alkyl tertiary amines, aromatic sulfur groups, alkyl sulfur groups, or cyclic ethers. Enhanced photophysical properties (in terms of triplet excited-state lifetime, absorption wavelength, triplet state energy, and O2 quenching capabilities) were obtained with cyclic ether and sulfur groups. Conversely, the presence of an amine moiety was detrimental to the photocatalysts. The western and northern fragments were also investigated and slightly undesirable to negligible changes in photophysical properties were observed. The most promising candidate was then immobilized on silica nanoparticles and its photoactivity was evaluated in the citronellol photooxidation reaction. A high NMR yield of 97 % in desired product was obtained, with only a slight decrease over several recycling runs (85 % in the fourth run). These results provide insights into the design of efficient photosensitizers for singlet oxygen generation and the development of heterogeneous systems.
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Affiliation(s)
- Nathalie Body
- Université catholique de Louvain (UCLouvain), Institut de la Matière Condensée et des Nanosciences (IMCN), Molecular Chemistry, Materials and Catalysis (MOST), Place Louis Pasteur 1, bte L4.01.02, 1348, Louvain-la-Neuve, Belgium
| | - Corentin Lefebvre
- Université catholique de Louvain (UCLouvain), Institut de la Matière Condensée et des Nanosciences (IMCN), Molecular Chemistry, Materials and Catalysis (MOST), Place Louis Pasteur 1, bte L4.01.02, 1348, Louvain-la-Neuve, Belgium
| | - Sarah Eeckhout
- Université catholique de Louvain (UCLouvain), Institut de la Matière Condensée et des Nanosciences (IMCN), Molecular Chemistry, Materials and Catalysis (MOST), Place Louis Pasteur 1, bte L4.01.02, 1348, Louvain-la-Neuve, Belgium
| | - Anne-Sophie Léonard
- Université catholique de Louvain (UCLouvain), Institut de la Matière Condensée et des Nanosciences (IMCN), Molecular Chemistry, Materials and Catalysis (MOST), Place Louis Pasteur 1, bte L4.01.02, 1348, Louvain-la-Neuve, Belgium
| | - Ludovic Troian-Gautier
- Université catholique de Louvain (UCLouvain), Institut de la Matière Condensée et des Nanosciences (IMCN), Molecular Chemistry, Materials and Catalysis (MOST), Place Louis Pasteur 1, bte L4.01.02, 1348, Louvain-la-Neuve, Belgium
- Wel Research Institute, Avenue Pasteur 6, 1300, Wavre, Belgium
| | - Sophie Hermans
- Université catholique de Louvain (UCLouvain), Institut de la Matière Condensée et des Nanosciences (IMCN), Molecular Chemistry, Materials and Catalysis (MOST), Place Louis Pasteur 1, bte L4.01.02, 1348, Louvain-la-Neuve, Belgium
| | - Olivier Riant
- Université catholique de Louvain (UCLouvain), Institut de la Matière Condensée et des Nanosciences (IMCN), Molecular Chemistry, Materials and Catalysis (MOST), Place Louis Pasteur 1, bte L4.01.02, 1348, Louvain-la-Neuve, Belgium
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2
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Qi H, Zhao Y, Li W, Chen S. Synthesis of 1,4-benzoxazines via Y(OTf) 3-catalyzed ring opening/annulation cascade reaction of benzoxazoles with propargylic alcohols. Chem Commun (Camb) 2022; 58:9120-9123. [PMID: 35880715 DOI: 10.1039/d2cc03080b] [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 convenient Y(OTf)3-catalyzed cascade formal [4 + 2] cyclization approach for the formation of 1,4-benzoxazine scaffolds from benzoxazoles and propargyl alcohols through a ring-opening and regioselective ring-closure process has been developed. By using this mild and practical protocol, a broad range of aldehyde-containing 1,4-benzoxazine compounds were prepared in moderate to excellent yields with good functional group tolerance. Mechanistic studies indicated that an SN1 nucleophilic substitution of benzoxazole with a propargyl cation was involved in this transformation.
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Affiliation(s)
- Hongbo Qi
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Department of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, China.
| | - Yupeng Zhao
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Department of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, China.
| | - Wencong Li
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Department of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, China.
| | - Shufeng Chen
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Department of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, China.
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3
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Chang MY, Lin CY, Chen SM. Synthesis of 1‐Aryl Isoquinolinones or o‐Diaryl Pyrimidines via Bismuth Triflate‐Mediated Intermolecular Annulation of Arylacetic Acids with Nitroarylaldehydes or Trimethoxybenzene in the Presence of Acetonitrile. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200517] [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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4
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Kolla ST, Rayala NR, Sridhar B, Bhimapaka CR. Unexpected ring opening of pyrazolines with activated alkynes: synthesis of 1 H-pyrazole-4,5-dicarboxylates and chromenopyrazolecarboxylates. Org Biomol Chem 2022; 20:334-338. [PMID: 34901988 DOI: 10.1039/d1ob01727f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
1H-Pyrazole-4,5-dicarboxylates and chromenopyrazole carboxylates were prepared by reacting pyrazolines with activated alkynes under neat conditions without a catalyst. The products were formed via unexpected ring opening of pyrazolines with the elimination of styrene/ethylene. These types of transformations are unknown and the products formed were confirmed using their spectral/analytical data. In addition, the structures of compounds 5e and 5n were confirmed by single-crystal X-ray analysis. Control experiments were conducted to support the proposed reaction mechanism.
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Affiliation(s)
- Sai Teja Kolla
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad-500 007, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Nageswara Rao Rayala
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad-500 007, India.
| | - Balasubramanian Sridhar
- Department of Analytical & Structural Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad-500 007, India
| | - China Raju Bhimapaka
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad-500 007, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
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5
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Kotwica K, Wielgus I, Proń A. Azaacenes Based Electroactive Materials: Preparation, Structure, Electrochemistry, Spectroscopy and Applications-A Critical Review. MATERIALS 2021; 14:ma14185155. [PMID: 34576378 PMCID: PMC8472324 DOI: 10.3390/ma14185155] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 08/23/2021] [Accepted: 09/03/2021] [Indexed: 11/16/2022]
Abstract
This short critical review is devoted to the synthesis and functionalization of various types of azaacenes, organic semiconducting compounds which can be considered as promising materials for the fabrication of n-channel or ambipolar field effect transistors (FETs), components of active layers in light emitting diodes (LEDs), components of organic memory devices and others. Emphasis is put on the diversity of azaacenes preparation methods and the possibility of tuning their redox and spectroscopic properties by changing the C/N ratio, modifying the nitrogen atoms distribution mode, functionalization with electroaccepting or electrodonating groups and changing their molecular shape. Processability, structural features and degradation pathways of these compounds are also discussed. A unique feature of this review concerns the listed redox potentials of all discussed compounds which were normalized vs. Fc/Fc+. This required, in frequent cases, recalculation of the originally reported data in which these potentials were determined against different types of reference electrodes. The same applied to all reported electron affinities (EAs). EA values calculated using different methods were recalculated by applying the method of Sworakowski and co-workers (Org. Electron. 2016, 33, 300-310) to yield, for the first time, a set of normalized data, which could be directly compared.
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Affiliation(s)
- Kamil Kotwica
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warszawa, Poland
- Correspondence:
| | - Ireneusz Wielgus
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warszawa, Poland; (I.W.); (A.P.)
| | - Adam Proń
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warszawa, Poland; (I.W.); (A.P.)
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6
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Synthesis, Crystal Structure and Bioactivity of Phenazine-1-carboxylic Acylhydrazone Derivatives. Molecules 2021; 26:molecules26175320. [PMID: 34500750 PMCID: PMC8434039 DOI: 10.3390/molecules26175320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/26/2021] [Accepted: 08/27/2021] [Indexed: 11/17/2022] Open
Abstract
A phenazine-1-carboxylic acid intermediate was synthesized from the reaction of aniline and 2-bromo-3-nitro-benzoic acid. It was then esterified and reacted with hydrazine hydrate to afford phenazine-1-carboxylic hydrazine. Finally, 10 new hydrazone compounds 3a–3j were obtained by the condensation reaction of phenazine-1-carboxylic acid hydrazide and the respective aldehyde-containing compound. The structures were characterized by 1H and 13C NMR spectroscopy, MS and single crystal X-ray diffraction. The antitumor activity of the target compounds in vitro (HeLa and A549) was determined by thiazolyl blue tetrazolium bromide. The results showed that compound (E)-N′-(2-hydroxy-4-(2-(piperidine-1-yl) ethoxy) benzyl) phenazine-1-carbonyl hydrazide 3d exhibited good cytotoxic activity.
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7
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Kurma SH, Sridhar B, Bhimapaka CR. Direct Access for the Regio- and Stereoselective Synthesis of N-Alkenylpyrazoles and Chromenopyrazoles. J Org Chem 2021; 86:2271-2282. [PMID: 33465310 DOI: 10.1021/acs.joc.0c02421] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
A highly regio- and stereoselective method was developed for the preparation of N-alkenylpyrazoles and chromenopyrazoles by the reaction of N-tosylhydrazones and salicyl N-tosylhydrazones with alkynes under neat conditions in the presence of La(OTf)3. The present study was found to be efficient and convenient for direct access to N-alkenylpyrazoles and chromenopyrazoles through C-C, C-N, and C-O bond forming reactions. Structure assignment of N-alkenylpyrazole compound 5c was confirmed by X-ray analysis.
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8
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Chang MY, Lin CY, Chen SM, Hsiao YT. Bsi(OTf) 3-mediated tandem annulation of 1-aryl isochroman-3-ones with oxygenated arenes: one-pot synthesis of polyoxygenated homotriptycenes. Org Biomol Chem 2021; 19:4733-4742. [PMID: 33970174 DOI: 10.1039/d1ob00606a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bi(OTf)3 (bismuth triflate)-mediated one-pot tandem annulation of oxygenated 1-aryl isochroman-3-ones with oxygenated arenes provides polyoxygenated homotriptycenes in moderate to good yields in MeNO2 at reflux (101 °C) for 10 h under an air atmosphere and easy-operational conditions via intermolecular and intramolecular Friedel-Crafts type procedures. A plausible mechanism is proposed and discussed. This protocol provides a highly effective ring-closure via three carbon-carbon (C-C) bond formations.
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Affiliation(s)
- Meng-Yang Chang
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 807, Taiwan. and Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Chun-Yi Lin
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Shin-Mei Chen
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Yu-Ting Hsiao
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
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9
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Vanammoole L, Kommera R, Hariprasad Kurma S, Rao Vaidya J, Raju Bhimapaka C. Regioselective Halogenation of 2
H
‐Chromenones Promoted by Oxone and NaX: A Facile Approach for the Preparation of Halochromenones and 2
H
‐Chromenone Natural Products. ChemistrySelect 2020. [DOI: 10.1002/slct.202000908] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Lakshmireddy Vanammoole
- Department of Organic Synthesis & Process ChemistryCSIR-Indian Institute of Chemical Technology Hyderabad 500007 India
- AcSIR-Postal Staff College Area, Sector 19Kamla Nehru Nagar,Ghaziabad Uttar Pradesh 201002 India
| | - Rajkumar Kommera
- Department of Organic Synthesis & Process ChemistryCSIR-Indian Institute of Chemical Technology Hyderabad 500007 India
- AcSIR-Postal Staff College Area, Sector 19Kamla Nehru Nagar,Ghaziabad Uttar Pradesh 201002 India
| | - Siva Hariprasad Kurma
- Department of Organic Synthesis & Process ChemistryCSIR-Indian Institute of Chemical Technology Hyderabad 500007 India
- AcSIR-Postal Staff College Area, Sector 19Kamla Nehru Nagar,Ghaziabad Uttar Pradesh 201002 India
| | - Jayathirtha Rao Vaidya
- Fluoro AgrochemicalsCSIR-Indian Institute of Chemical Technology Hyderabad 500007 India
- AcSIR-Postal Staff College Area, Sector 19Kamla Nehru Nagar,Ghaziabad Uttar Pradesh 201002 India
| | - China Raju Bhimapaka
- Department of Organic Synthesis & Process ChemistryCSIR-Indian Institute of Chemical Technology Hyderabad 500007 India
- AcSIR-Postal Staff College Area, Sector 19Kamla Nehru Nagar,Ghaziabad Uttar Pradesh 201002 India
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10
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Kasagani VP, Kurma SH, Bhimapaka CR. Stereospecific Synthesis of 3,4-Dihydro-2 H-naphtho-1,4-oxazin-2-ones by Unification of Benzoxepine-4-carboxylates with Chiral Amino Acid Ethyl Esters. J Org Chem 2020; 85:2976-2983. [PMID: 31995711 DOI: 10.1021/acs.joc.9b02624] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A novel and efficient stereocontrolled method has been developed for the preparation of chiral 3,4-dihydro-2H-naphtho[1,2-b][1,4]oxazin-2-ones by the reaction of benzoxepine-4-carboxylates with chiral amino acid ethyl esters for the first time. The chiral 3,4-dihydro-2H-naphtho-1,4-oxazinones have been achieved in one step by the formation of C-N, C-C, and C-O bonds.
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Affiliation(s)
- Veera Prasad Kasagani
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad-500007, India
| | - Siva Hariprasad Kurma
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad-500007, India
| | - China Raju Bhimapaka
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad-500007, India
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Gulevskaya AV, Tonkoglazova DI, Guchunov AS, Misharev AD. Synthesis and Characterization of Azine-[5]Helicene Hybrids. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900818] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Anna V. Gulevskaya
- Department of Chemistry; Southern Federal University; Zorge str., 7 Rostov-on-Don 344090 Russian Federation
| | - Daria I. Tonkoglazova
- Department of Chemistry; Southern Federal University; Zorge str., 7 Rostov-on-Don 344090 Russian Federation
| | - Andrey S. Guchunov
- Department of Chemistry; Southern Federal University; Zorge str., 7 Rostov-on-Don 344090 Russian Federation
| | - Alexander D. Misharev
- Center for X-ray Diffraction Studies and Chemical Analysis and Materials Research Centre; Institute of Chemistry; St. Petersburg State University; Universitetskii pr. 26 198504 St. Petersburg, Petergof Russian Federation
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12
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Kasagani VP, Kurma SH, Bhimapaka CR. A facile construction of oxygen heterocycles by the reaction of benzoxepine-4-carboxylates with dihaloalkanes and activated alkynes. Org Biomol Chem 2019; 17:6645-6653. [PMID: 31237599 DOI: 10.1039/c9ob00769e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This manuscript describes the preparation of heterocyclic compounds such as naphtho[1,3]-dioxoles (3a-h), [1,4]-dioxines (4a-h), [1,4]-dioxepines (5a-c), [1,4]-dioxocines (6a-c) and diethyl 2-(2-ethoxy-2-oxoethyl)naphtho[1,3]dioxoles (8a-f). These heterocyclic compounds have been achieved by the reaction of benzoxepine-4-carboxylates (1a-h) with dihaloalkanes (2a-e) and activated alkyne (7a) for the first time. This work represents the first example for the construction of utile oxygen heterocycles by the formation of C-C and C-O bonds in a one step process.
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Affiliation(s)
- Veera Prasad Kasagani
- Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India.
| | - Siva Hariprasad Kurma
- Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India.
| | - China Raju Bhimapaka
- Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India.
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13
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Mondal S, Bera S, Maity S, Ghosh P. Orthometalated N-(Benzophenoxazine)- o-aminophenol: Phenolato versus Phenoxyl States. ACS OMEGA 2018; 3:13323-13334. [PMID: 31458047 PMCID: PMC6645054 DOI: 10.1021/acsomega.8b01983] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Accepted: 10/03/2018] [Indexed: 06/10/2023]
Abstract
The molecular and electronic structures of the orthometalated ruthenium(III) and osmium(III) complexes of N-(benzophenoxazine)-o-aminophenol (OXLH2) that exhibits versatile redox activities are reported. The redox chemistry of OXLH2 is remarkably different from that of N-(aryl)-o-aminophenol (APLH2). The study established that OXLH2 is redox noninnocent and is a precursor of a phenoxyl radical. One of the C-H bonds of OXLH2 is activated by ions, and OXLH2 reveals three different redox states as dianionic phenolato (OXL2-), monoanionic phenoxyl radical (OXL•-), and zwitterionic phenoxium cation (OXL±) states. The reaction of OXLH2 with [RuII(PPh3)3Cl2] in boiling toluene in air affords an orthometalated OXL2- complex of ruthenium(III), trans-[(OXL2-)RuIII(PPh3)2(Cl)] (1), whereas the similar reaction with [OsII(PPh3)3Br2] yields an orthometalated OXL•- complex, cis-[(OXL•-)OsIII(PPh3)Br2] (2). 1 and 2 exhibit ligand-based reversible redox waves due to OXL•-/OXL2-, OXL±/OXL•-, and MIII/MII couples. The 1 + ion is a OXL•- complex of ruthenium(III). 2 - exhibits temperature-dependent valence tautomerism due to [OsII(OXL•-) ↔ OsIII(OXL2-)] equilibrium. 2 2- is a OXL2- complex of osmium(II), while 1 2+ and 2 + are OXL± complexes of metal(III). 2 is an oxidant and effective catalyst for oxidation of 3,5-di-tert-butylcatechol to the corresponding quinone, and the turnover number is 119.7 h-1. The UV-vis-NIR absorption spectrum of 1 displays an NIR band at 800 nm due to an intra-ligand-charge-transfer transition, which is absent in 2 incorporating a OXL•- radical. The molecular and electronic structures of 1 and 2 and their oxidized and reduced analogues were confirmed by single-crystal X-ray crystallography, variable-temperature electron paramagnetic resonance spectroscopy, spectroelectrochemical measurements, and density functional theory calculations.
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Affiliation(s)
| | | | | | - Prasanta Ghosh
- E-mail: . Phone: +91-33-2428-7347. Fax: +91-33-2477-3597
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14
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Sheng J, He R, Xue J, Wu C, Qiao J, Chen C. Cu-Catalyzed π-Core Evolution of Benzoxadiazoles with Diaryliodonium Salts for Regioselective Synthesis of Phenazine Scaffolds. Org Lett 2018; 20:4458-4461. [PMID: 30040430 DOI: 10.1021/acs.orglett.8b01748] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The Cu-catalyzed regioselective synthesis of phenazine N-oxides was realized from benzoxadiazoles and diaryliodonium salts. The process was initiated by the electrophilic arylation of benzoxadiazoles with diaryliodonium salts and followed by benzocyclization reactions. The further reduction of N-oxides in situ to phenazine scaffolds and deviation to organic fluorescent materials were readily accomplished.
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Affiliation(s)
- Jinyu Sheng
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education) & Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry , Tsinghua University , Beijing 100084 , China
| | - Ru He
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education) & Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry , Tsinghua University , Beijing 100084 , China
| | - Jie Xue
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education) & Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry , Tsinghua University , Beijing 100084 , China
| | - Chao Wu
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education) & Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry , Tsinghua University , Beijing 100084 , China
| | - Juan Qiao
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education) & Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry , Tsinghua University , Beijing 100084 , China
| | - Chao Chen
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education) & Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry , Tsinghua University , Beijing 100084 , China
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15
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Ricard S, Gagnon A, Daoust B. Copper-Catalyzed β-Iodovinylation of Carbamates: Expedient Access to Highly Functionalized Vinyl-Carbamates. ChemistrySelect 2018. [DOI: 10.1002/slct.201800824] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Simon Ricard
- Département de Chimie; Université du Québec à Montréal, C.P. 8888, Succ. Centre-Ville, Montréal; Québec H3C 3P8 Canada
- Département de Chimie; Biochimie et Physique; Université du Québec à Trois-Rivières, Trois-Rivières; Québec G9 A 5H7 Canada
| | - Alexandre Gagnon
- Département de Chimie; Université du Québec à Montréal, C.P. 8888, Succ. Centre-Ville, Montréal; Québec H3C 3P8 Canada
| | - Benoit Daoust
- Département de Chimie; Biochimie et Physique; Université du Québec à Trois-Rivières, Trois-Rivières; Québec G9 A 5H7 Canada
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16
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Nozawa-Kumada K, Abe E, Ito S, Shigeno M, Kondo Y. Super electron donor-mediated reductive transformation of nitrobenzenes: a novel strategy to synthesize azobenzenes and phenazines. Org Biomol Chem 2018; 16:3095-3098. [DOI: 10.1039/c8ob00271a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The transformation of nitrobenzenes into azobenzenes by pyridine-derived super electron donor 2 is described.
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Affiliation(s)
| | - Erina Abe
- Graduate School of Pharmaceutical Sciences
- Tohoku University
- Sendai 980-8578
- Japan
| | - Shungo Ito
- Graduate School of Pharmaceutical Sciences
- Tohoku University
- Sendai 980-8578
- Japan
| | - Masanori Shigeno
- Graduate School of Pharmaceutical Sciences
- Tohoku University
- Sendai 980-8578
- Japan
| | - Yoshinori Kondo
- Graduate School of Pharmaceutical Sciences
- Tohoku University
- Sendai 980-8578
- Japan
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18
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Hariprasad KS, Anand A, Rathod BB, Zehra A, Tiwari AK, Prakasham RS, Raju BC. Neoteric Synthesis and Biological Activities of Chromenopyrazolones, Tosylchromenopyrazolones, Benzoylcoumarins. ChemistrySelect 2017. [DOI: 10.1002/slct.201700587] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Kurma Siva Hariprasad
- Natural Products Chemistry Division; CSIR-Indian Institute of Chemical Technology; Hyderabad-500007 India
- AcSIR-Indian Institute of Chemical Technology; Hyderabad-500007 India
| | - Ajay Anand
- Medicinal Chemistry & Pharmacology Division; CSIR-Indian Institute of Chemical Technology; Hyderabad-500007 India
| | - Balaji Baburao Rathod
- Bio-engineering and Environmental Sciences; CSIR-Indian Institute of Chemical Technology; Hyderabad-500007 India
| | - Amtul Zehra
- Medicinal Chemistry & Pharmacology Division; CSIR-Indian Institute of Chemical Technology; Hyderabad-500007 India
| | - Ashok Kumar Tiwari
- Medicinal Chemistry & Pharmacology Division; CSIR-Indian Institute of Chemical Technology; Hyderabad-500007 India
| | - Reddy Shetty Prakasham
- Bio-engineering and Environmental Sciences; CSIR-Indian Institute of Chemical Technology; Hyderabad-500007 India
| | - Bhimapaka China Raju
- Natural Products Chemistry Division; CSIR-Indian Institute of Chemical Technology; Hyderabad-500007 India
- AcSIR-Indian Institute of Chemical Technology; Hyderabad-500007 India
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19
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Banerjee B. Bismuth(III) triflate: An Efficient Catalyst for the Synthesis of Diverse Biologically Relevant Heterocycles. ChemistrySelect 2017. [DOI: 10.1002/slct.201701441] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Bubun Banerjee
- Department of Chemistry; Indus International University, V.P.O. Bathu, Distt. Una; Himachal Pradesh- 174301 India
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20
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Guttenberger N, Blankenfeldt W, Breinbauer R. Recent developments in the isolation, biological function, biosynthesis, and synthesis of phenazine natural products. Bioorg Med Chem 2017; 25:6149-6166. [PMID: 28094222 DOI: 10.1016/j.bmc.2017.01.002] [Citation(s) in RCA: 130] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Revised: 12/29/2016] [Accepted: 01/04/2017] [Indexed: 12/24/2022]
Abstract
Phenazines are natural products which are produced by bacteria or by archaeal Methanosarcina species. The tricyclic ring system enables redox processes, which producing organisms use for oxidation of NADH or for the generation of reactive oxygen species (ROS), giving them advantages over other microorganisms. In this review we summarize the progress in the field since 2005 regarding the isolation of new phenazine natural products, new insights in their biological function, and particularly the now almost completely understood biosynthesis. The review is complemented by a description of new synthetic methods and total syntheses of phenazines.
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Affiliation(s)
- Nikolaus Guttenberger
- Institute of Organic Chemistry, Graz University of Technology, Stremayrgasse 9, 8010 Graz, Austria; Institute of Chemistry-Analytical Chemistry, University of Graz, Universitaetsplatz 1, 8010 Graz, Austria
| | - Wulf Blankenfeldt
- Structure and Function of Proteins, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124 Braunschweig, Germany; Institute for Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Spielmannstr. 7, 38106 Braunschweig, Germany
| | - Rolf Breinbauer
- Institute of Organic Chemistry, Graz University of Technology, Stremayrgasse 9, 8010 Graz, Austria.
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21
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Gulevskaya AV. Electrophile-Induced Cyclization of 3-Alkynyl-2-arylquinoxalines: A Method for Benzo- and Naphthophenazine Synthesis. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600660] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Anna V. Gulevskaya
- Department of Chemistry; Southern Federal University; Zorge str., 7 344090 Rostov-on-Don Russian Federation
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22
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Ricard S, Sanapo GF, Rahem N, Daoust B. Synthesis of γ,δ-Unsaturated α-Aminoaldehydes Using a Copper-Catalyzed Vinylation Reaction Followed by a Claisen Rearrangement. J Org Chem 2016; 81:5066-73. [PMID: 27223885 DOI: 10.1021/acs.joc.6b00512] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new method to synthesize γ,δ-unsaturated α-nitrogenated aldehydes in very good yields is described herein. This method involves a copper-coupling reaction between β-iodoenamide derivatives and allylic alcohols to generate β-allyloxyenamide derivatives. The latter, when heated, undergo a Claisen rearrangement and form γ,δ-unsaturated α-nitrogenated aldehydes.
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Affiliation(s)
- Simon Ricard
- Département de Chimie, Biochimie et Physique, Université du Québec à Trois-Rivières , Trois-Rivières, Québec G9A 5H7, Canada
| | - Gabriel F Sanapo
- Département de Chimie, Biochimie et Physique, Université du Québec à Trois-Rivières , Trois-Rivières, Québec G9A 5H7, Canada
| | - Neel Rahem
- Département de Chimie, Biochimie et Physique, Université du Québec à Trois-Rivières , Trois-Rivières, Québec G9A 5H7, Canada
| | - Benoit Daoust
- Département de Chimie, Biochimie et Physique, Université du Québec à Trois-Rivières , Trois-Rivières, Québec G9A 5H7, Canada
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23
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Prasad KV, Saidachary G, Hariprasad KS, Nagaraju P, Rao VJ, Raju BC. Copper-Catalyzed C−H Oxygenation of Benzoxepine-4-carboxylates: Facile Synthesis and Photophysical Properties of Naphtho[2,1-d]oxazoles and Benzo[c]phenoxazines. ASIAN J ORG CHEM 2016. [DOI: 10.1002/ajoc.201600131] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Kasagani Veera Prasad
- Natural Products Chemistry Division; CSIR-Indian Institute of Chemical Technology; Hyderabad 500007 India
| | - Gannerla Saidachary
- Natural Products Chemistry Division; CSIR-Indian Institute of Chemical Technology; Hyderabad 500007 India
| | - Kurma Siva Hariprasad
- Natural Products Chemistry Division; CSIR-Indian Institute of Chemical Technology; Hyderabad 500007 India
| | - Peethani Nagaraju
- Crop Protection Chemical Division; CSIR-Indian Institute of Chemical Technology; Hyderabad 500007 India
| | - Vaidya Jayathirtha Rao
- Crop Protection Chemical Division; CSIR-Indian Institute of Chemical Technology; Hyderabad 500007 India
| | - Bhimapaka China Raju
- Natural Products Chemistry Division; CSIR-Indian Institute of Chemical Technology; Hyderabad 500007 India
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24
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Hariprasad KS, Prasad KV, Raju BC. La(OTf)3 catalyzed reaction of salicylaldehyde phenylhydrazones with β-ketoesters and activated alkynes: facile approach for the preparation of chromenopyrazolones. RSC Adv 2016. [DOI: 10.1039/c6ra21717f] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A facile approach has been developed for the preparation of chromenopyrazolones (5a–o, 7a–k) by the reaction of salicylaldehyde phenylhydrazones (3a–o) with β-ketoesters (4a, 4f–g) and activated alkynes (6a–e) in the presence of La(OTf)3 with good yields.
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Affiliation(s)
- Kurma Siva Hariprasad
- Natural Products Chemistry Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500 007
- India
- AcSIR-Indian Institute of Chemical Technology
| | - Kasagani Veera Prasad
- Natural Products Chemistry Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500 007
- India
| | - Bhimapaka China Raju
- Natural Products Chemistry Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500 007
- India
- AcSIR-Indian Institute of Chemical Technology
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25
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Sheng J, Su X, Cao C, Chen C. Synthesis of benzo[1,3]oxazines via copper(i)-catalyzed cascade annulation of nitriles, aldehydes and diaryliodonium salts. Org Chem Front 2016. [DOI: 10.1039/c6qo00012f] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A copper(i)-catalyzed one-pot [2 + 2 + 2] cascade annulation reaction of diaryliodoniums, nitriles, and aldehydes has been developed for the efficient synthesis of 2,4-substituted benzoxazine derivatives.
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Affiliation(s)
- Jinyu Sheng
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education)
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Xiang Su
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education)
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Chengyao Cao
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education)
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Chao Chen
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education)
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
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26
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Dayakar C, Jyothi D, Suman P, Raju BC. Condensation of Ortho-phenylenediamines and Phenylhydrazines with Ethyl 4-Chloro-3-oxobutanoate: A Facile Approach for the Synthesis of Substituted 1H-Benzimidazoles, Pyrazolones, and Pyrazoles. SYNTHETIC COMMUN 2015. [DOI: 10.1080/00397911.2015.1036884] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Cherupally Dayakar
- Natural Products Chemistry Division, CSIR Indian Institute of Chemical Technology, Hyderabad, India
| | - Dondra Jyothi
- Natural Products Chemistry Division, CSIR Indian Institute of Chemical Technology, Hyderabad, India
| | - Pathi Suman
- Natural Products Chemistry Division, CSIR Indian Institute of Chemical Technology, Hyderabad, India
| | - Bhimapaka China Raju
- Natural Products Chemistry Division, CSIR Indian Institute of Chemical Technology, Hyderabad, India
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27
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Cao S, Zhong S, Xin L, Wan JP, Wen C. Visible-Light-Induced CC Bond Cleavage of Enaminones for the Synthesis of 1,2-Diketones and Quinoxalines in Sustainable Medium. ChemCatChem 2015. [DOI: 10.1002/cctc.201500139] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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28
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Sairam M, Saidachary G, Raju BC. Condensation of salicylaldehydes with ethyl 4,4,4-trichloro-3-oxobutanoate: a facile approach for the synthesis of substituted 2H-chromene-3-carboxylates. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.01.114] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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29
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Rajkumar K, Suman P, Raju BC. Facile construction of novel heterocyclic compounds: three-component, one-pot synthesis of 2-hydroxybenzoyl-1,2-dihydropyridine-3-carboxylates, ketones, pyridone-3-carboxylates and benzopyrido-1,3-oxazole-4-carboxylates. RSC Adv 2015. [DOI: 10.1039/c5ra10185a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
A facile method has been developed for the preparation of novel heterocyclic compounds facilitated by 3-oxobutanoates and 1,3-diketones possessing a trihalo group. This three-component, one-pot protocol provided heterocyclic compounds without a catalyst.
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Affiliation(s)
- Kommera Rajkumar
- Natural Products Chemistry Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500 007
- India
- AcSIR-Indian Institute of Chemical Technology
| | - Pathi Suman
- Natural Products Chemistry Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500 007
- India
| | - Bhimapaka China Raju
- Natural Products Chemistry Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500 007
- India
- AcSIR-Indian Institute of Chemical Technology
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30
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Okamoto N, Sueda T, Yanada R. Bi(OTf)3-Catalyzed Tandem Meyer–Schuster Rearrangement and 1,4-Addition to the Resulting Vinyl Ketone. J Org Chem 2014; 79:9854-9. [DOI: 10.1021/jo5017663] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Noriko Okamoto
- Faculty of Pharmaceutical
Sciences, Hiroshima International University, 5-1-1 Hirokoshingai, Kure, Hiroshima 737-0112, Japan
| | - Takuya Sueda
- Faculty of Pharmaceutical
Sciences, Hiroshima International University, 5-1-1 Hirokoshingai, Kure, Hiroshima 737-0112, Japan
| | - Reiko Yanada
- Faculty of Pharmaceutical
Sciences, Hiroshima International University, 5-1-1 Hirokoshingai, Kure, Hiroshima 737-0112, Japan
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31
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Viswanadham KKDR, Prathap Reddy M, Sathyanarayana P, Ravi O, Kant R, Bathula SR. Iodine-mediated oxidative annulation for one-pot synthesis of pyrazines and quinoxalines using a multipathway coupled domino strategy. Chem Commun (Camb) 2014; 50:13517-20. [DOI: 10.1039/c4cc05844e] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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32
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Saidachary G, Veera Prasad K, Sairam M, Raju BC. A facile approach for the synthesis of novel substituted 4H-chromenes and condensation reactions of 4H-chromenes leading to chromenopyrrolones and triazolylchromenopyrrolones. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.06.111] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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33
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Copper-Catalyzed Domino Synthesis of 2-Imino-1H-imidazol-5(2H)-ones and Quinoxalines Involving CC Bond Cleavage with a 1,3-Dicarbonyl Unit as a Leaving Group. Chemistry 2014; 20:11776-82. [DOI: 10.1002/chem.201403001] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Indexed: 01/06/2023]
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34
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Hille T, Irrgang T, Kempe R. The Synthesis of Benzimidazoles and Quinoxalines from Aromatic Diamines and Alcohols by Iridium-Catalyzed Acceptorless Dehydrogenative Alkylation. Chemistry 2014; 20:5569-72. [DOI: 10.1002/chem.201400400] [Citation(s) in RCA: 128] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Indexed: 12/11/2022]
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35
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Suman P, Raju BC. Carbohydrate-based first stereoselective total synthesis of bioactive cytospolide P. Org Biomol Chem 2014; 12:3358-61. [DOI: 10.1039/c4ob00323c] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile stereoselective approach has been developed for the total synthesis of cytospolide P via Yamaguchi macrolactonization.
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Affiliation(s)
- Pathi Suman
- Natural Products Chemistry Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500 007, India
| | - Bhimapaka China Raju
- Natural Products Chemistry Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500 007, India
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