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Mandal S, Paul T, Karjee P, Barman M, Punniyamurthy T. Site-Selective C8-Alkylation of Quinolines with Cyclopropanols: Merging C-H/C-C Bond Activation. Org Lett 2023; 25:7805-7809. [PMID: 37870381 DOI: 10.1021/acs.orglett.3c02972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2023]
Abstract
The site-selective C8-alkylation of quinolines has been accomplished using cyclopropyl alcohols as the alkylating agents and N-oxide as a weak chelating group in the presence of Co(III) catalysis via merging C-H/C-C bond activation. The use of cyclopropanol as the alkyl source, Co catalysis, substrate scope, HRMS analysis of the reaction intermediate, and late-stage mutation of drug molecules/natural products are the important practical features.
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Affiliation(s)
- Santu Mandal
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Tripti Paul
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Pallab Karjee
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Madhab Barman
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
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2
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Mandal U, Beg H, Misra A. Effect of charge transfer on the first hyper-polarizability of N,N-dimethylaniline and julolidine: a DFT based comparative study. J Mol Model 2023; 29:351. [PMID: 37889349 DOI: 10.1007/s00894-023-05755-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 10/13/2023] [Indexed: 10/28/2023]
Abstract
CONTEXT Quantum mechanical calculations involving electron correlation, frequency dispersion, and solvent effects were carried out to examine the second-order nonlinear optical response of various acceptor, X (-CF3, -CN, -NO2) substituted in N,N-dimethylaniline (DMA) and julolidine(JLD). Here, both DMA and JLD acts as donor and the three substituted groups, X (-CF3, -CN and -NO2) at the para position of both the ring systems as acceptor. The NLO response (βHRS) of -CF3 and -CN substituted DMA and JLD is relatively lower compared to DMA-NO2 and JLD-NO2. The charge distribution is found higher in case of -NO2 substituted DMA and JLD (±443 and ±449) compared to their -CF3 or -CN substitution. Electronic characteristics such as UV-Vis absorption spectra, crucial excited state parameters and charge transfer contribution to βHRS have been used to explain the NLO parameter of DMA-X and JLD-X. Variation of the incident optical frequency of light shows fluctuation of βHRS value and highest values of βHRS are obtain at the λmax frequency of each compound. Solvent polarity variation study on βHRS shows that βHRS varies linearly with the Kirkwood-Onsagar dielectric factor (D). METHODS All computational studies have been carried out using density functional theory (DFT) based method. Since CAM-B3LYP based hybrid functional improves the asymptotic behavior of the exchange interaction by dividing into short-range and long-range components, first hyperpolarizability values in the present study were computed using DFT/ CAM-B3LYP/ 6-31G+(d,p) level of theory.
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Affiliation(s)
- Usha Mandal
- Department of Chemistry, Vidyasagar University, Midnapore, 721101, India
| | - Hasibul Beg
- Department of Chemistry, Raja N. L. Khan Women's College, Midnapore, 721102, India
| | - Ajay Misra
- Department of Chemistry, Vidyasagar University, Midnapore, 721101, India.
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3
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Putralis R, Korotkaja K, Kaukulis M, Rudevica Z, Jansons J, Nilova O, Rucins M, Krasnova L, Domracheva I, Plotniece M, Pajuste K, Sobolev A, Rumnieks F, Bekere L, Zajakina A, Plotniece A, Duburs G. Styrylpyridinium Derivatives for Fluorescent Cell Imaging. Pharmaceuticals (Basel) 2023; 16:1245. [PMID: 37765053 PMCID: PMC10535741 DOI: 10.3390/ph16091245] [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: 06/15/2023] [Revised: 08/25/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023] Open
Abstract
A set of styrylpyridinium (SP) compounds was synthesised in order to study their spectroscopic and cell labelling properties. The compounds comprised different electron donating parts (julolidine, p-dimethylaminophenyl, p-methoxyphenyl, 3,4,5-trimethoxyphenyl), conjugated linkers (vinyl, divinyl), and an electron-withdrawing N-alkylpyridinium part. Geminal or bis-compounds incorporating two styrylpyridinium (bis-SP) moieties at the 1,3-trimethylene unit were synthesised. Compounds comprising a divinyl linker and powerful electron-donating julolidine donor parts possessed intensive fluorescence in the near-infrared region (maximum at ~760 nm). The compounds had rather high cytotoxicity towards the cancerous cell lines HT-1080 and MH-22A; at the same time, basal cytotoxicity towards the NIH3T3 fibroblast cell line ranged from toxic to harmful. SP compound 6e had IC50 values of 1.0 ± 0.03 µg/mL to the cell line HT-1080 and 0.4 µg/mL to MH-22A; however, the basal toxicity LD50 was 477 mg/kg (harmful). The compounds showed large Stokes' shifts, including 195 nm for 6a,b, 240 nm for 6e, and 325 and 352 nm for 6d and 6c, respectively. The highest photoluminescence quantum yield (PLQY) values were observed for 6a,b, which were 15.1 and 12.2%, respectively. The PLQY values for the SP derivatives 6d,e (those with a julolidinyl moiety) were 0.5 and 0.7%, respectively. Cell staining with compound 6e revealed a strong fluorescent signal localised in the cell cytoplasm, whereas the cell nuclei were not stained. SP compound 6e possessed self-assembling properties and formed liposomes with an average diameter of 118 nm. The obtained novel data on near-infrared fluorescent probes could be useful for the development of biocompatible dyes for biomedical applications.
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Affiliation(s)
- Reinis Putralis
- Latvian Institute of Organic Synthesis, LV-1006 Riga, Latvia; (R.P.); (M.K.); (M.R.); (L.K.); (I.D.); (K.P.); (A.S.); (L.B.)
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Riga Stradiņš University, LV-1007 Riga, Latvia;
| | - Ksenija Korotkaja
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia; (K.K.); (Z.R.); (J.J.); (O.N.); (F.R.); (A.Z.)
| | - Martins Kaukulis
- Latvian Institute of Organic Synthesis, LV-1006 Riga, Latvia; (R.P.); (M.K.); (M.R.); (L.K.); (I.D.); (K.P.); (A.S.); (L.B.)
- Faculty of Materials Science and Applied Chemistry, Riga Technical University, LV-1048 Riga, Latvia
| | - Zhanna Rudevica
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia; (K.K.); (Z.R.); (J.J.); (O.N.); (F.R.); (A.Z.)
| | - Juris Jansons
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia; (K.K.); (Z.R.); (J.J.); (O.N.); (F.R.); (A.Z.)
| | - Olga Nilova
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia; (K.K.); (Z.R.); (J.J.); (O.N.); (F.R.); (A.Z.)
| | - Martins Rucins
- Latvian Institute of Organic Synthesis, LV-1006 Riga, Latvia; (R.P.); (M.K.); (M.R.); (L.K.); (I.D.); (K.P.); (A.S.); (L.B.)
| | - Laura Krasnova
- Latvian Institute of Organic Synthesis, LV-1006 Riga, Latvia; (R.P.); (M.K.); (M.R.); (L.K.); (I.D.); (K.P.); (A.S.); (L.B.)
| | - Ilona Domracheva
- Latvian Institute of Organic Synthesis, LV-1006 Riga, Latvia; (R.P.); (M.K.); (M.R.); (L.K.); (I.D.); (K.P.); (A.S.); (L.B.)
| | - Mara Plotniece
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Riga Stradiņš University, LV-1007 Riga, Latvia;
- Faculty of Materials Science and Applied Chemistry, Riga Technical University, LV-1048 Riga, Latvia
| | - Karlis Pajuste
- Latvian Institute of Organic Synthesis, LV-1006 Riga, Latvia; (R.P.); (M.K.); (M.R.); (L.K.); (I.D.); (K.P.); (A.S.); (L.B.)
| | - Arkadij Sobolev
- Latvian Institute of Organic Synthesis, LV-1006 Riga, Latvia; (R.P.); (M.K.); (M.R.); (L.K.); (I.D.); (K.P.); (A.S.); (L.B.)
| | - Felikss Rumnieks
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia; (K.K.); (Z.R.); (J.J.); (O.N.); (F.R.); (A.Z.)
| | - Laura Bekere
- Latvian Institute of Organic Synthesis, LV-1006 Riga, Latvia; (R.P.); (M.K.); (M.R.); (L.K.); (I.D.); (K.P.); (A.S.); (L.B.)
| | - Anna Zajakina
- Latvian Biomedical Research and Study Centre, LV-1067 Riga, Latvia; (K.K.); (Z.R.); (J.J.); (O.N.); (F.R.); (A.Z.)
| | - Aiva Plotniece
- Latvian Institute of Organic Synthesis, LV-1006 Riga, Latvia; (R.P.); (M.K.); (M.R.); (L.K.); (I.D.); (K.P.); (A.S.); (L.B.)
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Riga Stradiņš University, LV-1007 Riga, Latvia;
| | - Gunars Duburs
- Latvian Institute of Organic Synthesis, LV-1006 Riga, Latvia; (R.P.); (M.K.); (M.R.); (L.K.); (I.D.); (K.P.); (A.S.); (L.B.)
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Sanabria-Sánchez CM, Kouznetsov VV, Ochoa-Puentes C. Diastereoselective multicomponent synthesis of dihydroisoindolo[2,1- a]quinolin-11-ones mediated by eutectic solvents. RSC Adv 2023; 13:26189-26195. [PMID: 37671006 PMCID: PMC10475973 DOI: 10.1039/d3ra05561b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 08/27/2023] [Indexed: 09/07/2023] Open
Abstract
In this contribution, a series of dihydroisoindolo[2,1-a]quinolin-11-ones was synthesized by a one-pot multicomponent Povarov reaction starting from anilines, alkenes (trans-anethole, methyl eugenol and indene) and 2-formylbenzoic acid. Different eutectic solvents bearing Lewis or Brønsted acids were evaluated as reaction media and catalysts for the model reaction employing p-toluidine and trans-anethole finding that the eutectic mixture ChCl/ZnCl2 (1/2) allowed the obtention of the target compound in 77% isolated yield. Under the optimized reaction conditions, 20 derivatives were obtained in good to moderated yields using meta- and para-susbstituted anilines, while the corresponding ortho-analogs followed a different pathway affording isoindolinones. In addition, the eutectic mixture was reused in six cycles without observing a detrimental catalytic activity. This methodology features mild reaction conditions, short reaction time, simple work-up, and utilization of a reusable solvent; and provides straightforward and diastereoselective access to these alkaloid-like heterocyclic molecules.
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Affiliation(s)
- Carlos M Sanabria-Sánchez
- Laboratorio de Química Orgánica y Biomolecular, Escuela de Química, Universidad Industrial de Santander Cl. 9 # Cra 27 A.A. 680006 Bucaramanga Santander Colombia
- Laboratorio de Síntesis Orgánica Sostenible, Departamento de Química, Universidad Nacional de Colombia-Sede Bogotá Carrera 45 # 26-85 A.A. 5997 Bogotá Cundinamarca Colombia
| | - Vladimir V Kouznetsov
- Laboratorio de Química Orgánica y Biomolecular, Escuela de Química, Universidad Industrial de Santander Cl. 9 # Cra 27 A.A. 680006 Bucaramanga Santander Colombia
| | - Cristian Ochoa-Puentes
- Laboratorio de Síntesis Orgánica Sostenible, Departamento de Química, Universidad Nacional de Colombia-Sede Bogotá Carrera 45 # 26-85 A.A. 5997 Bogotá Cundinamarca Colombia
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Mini-review on a polymers film detector for chloroform vapour: julolidine as fluorescent molecular rotors (JCFMRs). CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02567-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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6
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Chaihan K, Semakul N, Promarak V, Bui TT, Kungwan N, Goubard F. Tunable far-red fluorescence utilizing π-extension and substitution on the excited state intramolecular proton transfer (ESIPT) of naphthalene-based Schiff bases: A combined experimental and theoretical study. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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7
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Jia H, Xie R, Lu G, Jiang H, Zhang M. Direct Construction of Julolidines via Reductive Annulation of Quinolines and Conjugated Enones by a MOF-Derived Hierarchically Porous Iridium Catalyst. ACS Catal 2022. [DOI: 10.1021/acscatal.2c02573] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Huanhuan Jia
- Key Lab of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China
| | - Rong Xie
- Key Lab of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China
| | - Guangpeng Lu
- Key Lab of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China
| | - Huanfeng Jiang
- Key Lab of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China
| | - Min Zhang
- Key Lab of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China
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8
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Shirokova VV, Smirnov AY, Zaitseva ER, Baleeva NS, Mikhaylov AА, Baranov MS. Synthesis of julolidine derivatives via SnCl4-promoted spirocyclization of (1-alkyltetrahydroquinolin-8-yl)methylidene-1H-imidazol-5(4H)-ones. Chem Heterocycl Compd (N Y) 2022. [DOI: 10.1007/s10593-022-03080-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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9
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Wang L, Su X, Xie JH, Ming LJ. Specific recognitions of multivalent cyclotriphosphazene derivatives in sensing, imaging, theranostics, and biomimetic catalysis. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214326] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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10
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Mikhaylov AA, Shirokova VV, Ikonnikova VA, Solyev PN, Lushpa VA, Korlyukov AA, Volodin AD, Baleeva NS, Baranov MS. 1,5-Hydride-Shift-Triggered Cyclization for the Synthesis of Unsymmetric Julolidines. SYNTHESIS-STUTTGART 2021. [DOI: 10.1055/a-1559-2728] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
AbstractDirectly accessible 8-substituted tetrahydroquinolines undergo 1,5-hydride-shift-triggered cyclization to provide difficult to access julolidine derivatives in yields of 21–98% under scandium(III) triflate catalysis. Additionally, the scope of the reaction, several follow-up transformations and a remarkable side process discovered during optimization of the conditions are highlighted.
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Affiliation(s)
- Andrey A. Mikhaylov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences
- National Research University Higher School of Economics
| | - Vasilissa V. Shirokova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences
- Higher Chemical College, D.I. Mendeleev University of Chemical Technology of Russia
| | - Viktoria A. Ikonnikova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences
- Higher Chemical College, D.I. Mendeleev University of Chemical Technology of Russia
| | - Pavel N. Solyev
- Engelhardt Institute of Molecular Biology of the Russian Academy of Sciences
| | - Vladislav A. Lushpa
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences
| | | | | | - Nadezhda S. Baleeva
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences
| | - Mikhail S. Baranov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences
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11
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Kaboudin B, Sohrabi M, Kazemi F. Synthesis of julolidines
via
one‐pot cascade three component Povarov reaction in the presence of silica sulfuric acid. J Heterocycl Chem 2021. [DOI: 10.1002/jhet.4283] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Babak Kaboudin
- Department of Chemsitry Institute for Advanced Studies in Basic Sciences Zanjan Iran
| | - Masoumeh Sohrabi
- Department of Chemsitry Institute for Advanced Studies in Basic Sciences Zanjan Iran
| | - Foad Kazemi
- Department of Chemsitry Institute for Advanced Studies in Basic Sciences Zanjan Iran
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12
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Becker Y, Roth S, Scheurer M, Jakob A, Gacek DA, Walla PJ, Dreuw A, Wachtveitl J, Heckel A. Selective Modification for Red-Shifted Excitability: A Small Change in Structure, a Huge Change in Photochemistry. Chemistry 2021; 27:2212-2218. [PMID: 32955154 PMCID: PMC7898321 DOI: 10.1002/chem.202003672] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/18/2020] [Indexed: 01/13/2023]
Abstract
We developed three bathochromic, green-light activatable, photolabile protecting groups based on a nitrodibenzofuran (NDBF) core with D-π-A push-pull structures. Variation of donor substituents (D) at the favored ring position enabled us to observe their impact on the photolysis quantum yields. Comparing our new azetidinyl-NDBF (Az-NDBF) photolabile protecting group with our earlier published DMA-NDBF, we obtained insight into its excitation-specific photochemistry. While the "two-photon-only" cage DMA-NDBF was inert against one-photon excitation (1PE) in the visible spectral range, we were able to efficiently release glutamic acid from azetidinyl-NDBF with irradiation at 420 and 530 nm. Thus, a minimal change (a cyclization adding only one carbon atom) resulted in a drastically changed photochemical behavior, which enables photolysis in the green part of the spectrum.
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Affiliation(s)
- Yvonne Becker
- Institute for Organic Chemistry and Chemical BiologyGoethe University FrankfurtMax-von-Laue-Str. 760438Frankfurt am MainGermany
| | - Sina Roth
- Institute for Physical and Theoretical ChemistryGoethe University FrankfurtMax-von-Laue-Str. 760438Frankfurt am MainGermany
| | - Maximilian Scheurer
- Interdisciplinary Center for Scientific Computing (IWR)Theoretical and Computational ChemistryIm Neuenheimer Feld 205A69120HeidelbergGermany
| | - Andreas Jakob
- Institute for Organic Chemistry and Chemical BiologyGoethe University FrankfurtMax-von-Laue-Str. 760438Frankfurt am MainGermany
| | - Daniel A. Gacek
- Institute for Physical and Theoretical ChemistryTechnical University BraunschweigGaußstr. 1738106BraunschweigGermany
| | - Peter J. Walla
- Institute for Physical and Theoretical ChemistryTechnical University BraunschweigGaußstr. 1738106BraunschweigGermany
| | - Andreas Dreuw
- Interdisciplinary Center for Scientific Computing (IWR)Theoretical and Computational ChemistryIm Neuenheimer Feld 205A69120HeidelbergGermany
| | - Josef Wachtveitl
- Institute for Physical and Theoretical ChemistryGoethe University FrankfurtMax-von-Laue-Str. 760438Frankfurt am MainGermany
| | - Alexander Heckel
- Institute for Organic Chemistry and Chemical BiologyGoethe University FrankfurtMax-von-Laue-Str. 760438Frankfurt am MainGermany
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13
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Divya VV, Suresh CH. Design and DFT study of nitrogen-rich donor systems for improved photovoltaic performance in dye-sensitized solar cells. NEW J CHEM 2021. [DOI: 10.1039/d1nj00881a] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Donor modifications, especially through N-annulation, for enhancing the structure–performance relationship of D–π–A systems for DSSC applications.
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Affiliation(s)
- Velayudhan V. Divya
- Chemical Sciences and Technology Division
- CSIR-National Institute for Interdisciplinary Science and Technology
- Thiruvananthapuram
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Cherumuttathu H. Suresh
- Chemical Sciences and Technology Division
- CSIR-National Institute for Interdisciplinary Science and Technology
- Thiruvananthapuram
- India
- Academy of Scientific and Innovative Research (AcSIR)
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14
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Braga IB, Castañeda SMB, Vitor de Assis J, Barros AO, Amarante GW, Valdo AKSM, Martins FT, Rosolen AFDP, Pilau E, Fernandes SA. Anise Essential Oil as a Sustainable Substrate in the Multicomponent Double Povarov Reaction for Julolidine Synthesis. J Org Chem 2020; 85:15622-15630. [PMID: 33175538 DOI: 10.1021/acs.joc.0c02459] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The use of star anise oil from a natural source as a dienophile in the multicomponent double Povarov reaction (MCPRs) to produce highly substituted julolidines with diverse technological applications is described. Within the framework of green chemistry, these MCPRs have many advantages such as (i) use of water in the reaction, (ii) creation of up to six bonds in one sequence, (iii) water as a sole waste, (iv) 100% of carbon economy, (v) a metal-free process, and (vi) nontoxic and reusable organocatalysts. These advantages, along with a simple workup procedure, make this protocol greener for the synthesis of julolidines.
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Affiliation(s)
- Ingredy Bastos Braga
- Grupo de Química Supramolecular e Biomimética (GQSB), Departamento de Química, CCE, Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | - Sandra Milena Bonilla Castañeda
- Grupo de Química Supramolecular e Biomimética (GQSB), Departamento de Química, CCE, Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | - João Vitor de Assis
- Grupo de Química Supramolecular e Biomimética (GQSB), Departamento de Química, CCE, Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | - Amanda Oliveira Barros
- Grupo de Química Supramolecular e Biomimética (GQSB), Departamento de Química, CCE, Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | - Giovanni Wilson Amarante
- Departamento de Química, Universidade Federal de Juiz de Fora, Juiz de Fora, Minas Gerais 36036-900, Brazil
| | | | - Felipe Terra Martins
- Instituto de Química, Universidade Federal de Goiás, Campus Samambaia, Goiânia, Goiás 74001-970, Brazil
| | - Amanda Francisca do Prado Rosolen
- Laboratório de Biomoléculas e Espectrometria de Massas, Departamento de Química, Universidade Estadual de Maringá, Maringá, Paraná 87020-900, Brazil
| | - Eduardo Pilau
- Laboratório de Biomoléculas e Espectrometria de Massas, Departamento de Química, Universidade Estadual de Maringá, Maringá, Paraná 87020-900, Brazil
| | - Sergio Antonio Fernandes
- Grupo de Química Supramolecular e Biomimética (GQSB), Departamento de Química, CCE, Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
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15
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Huang ZB, Xia XJ, Huang ZH, Xu L, Zhang XY, Tang RY. Selective C-H dithiocarbamation of arenes and antifungal activity evaluation. Org Biomol Chem 2020; 18:1369-1376. [PMID: 31996878 DOI: 10.1039/c9ob02514f] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This paper discloses a transition metal-free selective C-H dithiocarbamation of drug skeletons using disulfiram (DSF) in the presence of KI/K2S2O8 in DMF/H2O. Drug skeletons, including 5-aminopyrazoles, indoles, pyrroloquinoline, and Julolidine, underwent C-H dithiocarbamation smoothly to afford a variety of drug-like molecules in moderate to good yields. It was found that the in situ formed 5-aminopyrazole iodide is the key intermediate for the dithiocarbamation. Bioassay results show that some of these N-heterocyclic dithiocarbamate derivatives exhibit good antifungal activity against Colletotrichum gloeosprioides and Fusarium oxysporum, F. proliferatum, Fusarium solani, Geotrichum candidum, Penicillium digitatum, Penicillium italicum, Phyricularia grisea.
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Affiliation(s)
- Zhuo-Bin Huang
- Department of Applied Chemistry, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China.
| | - Xiong-Jian Xia
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Consevation and Exploitation, College of Marine Science, South China Agricultural University, Guangzhou 510642, China.
| | - Zi-Hao Huang
- Department of Applied Chemistry, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China.
| | - Li Xu
- Department of Applied Chemistry, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China.
| | - Xiao-Yong Zhang
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Consevation and Exploitation, College of Marine Science, South China Agricultural University, Guangzhou 510642, China.
| | - Ri-Yuan Tang
- Department of Applied Chemistry, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China. and Lingnan Guangdong Laboratory of Modern Agriculture, Guangzhou, 510642, China
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16
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Neto JSS, Zeni G. Alkynes and Nitrogen Compounds: Useful Substrates for the Synthesis of Pyrazoles. Chemistry 2020; 26:8175-8189. [PMID: 31990413 DOI: 10.1002/chem.201905276] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 01/24/2020] [Indexed: 02/06/2023]
Abstract
The easy preparation and functionalization of pyrazoles associated with their innumerable biological properties have made this class of N-heterocycles very attractive for the development of new synthetic routes and applications. The cyclization reactions of alkynes and nitrogen compounds represent a powerful tool for the preparation of pyrazoles. This Review covers the recent advances in the preparation of pyrazoles by reacting alkynes and nitrogen compounds under transition-metal-catalyzed or metal-free conditions.
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Affiliation(s)
- Jose S S Neto
- Department of Biochemistry and Molecular Biology Laboratório de Síntese, Reatividade, Avaliação Farmacológica e Toxicológica de Organocalcogênios, CCNE, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, 97105-900, Brazil
| | - Gilson Zeni
- Department of Biochemistry and Molecular Biology Laboratório de Síntese, Reatividade, Avaliação Farmacológica e Toxicológica de Organocalcogênios, CCNE, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, 97105-900, Brazil
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17
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Wang LR, Chang D, Feng Y, He YM, Deng GJ, Fan QH. Highly Enantioselective Ruthenium-Catalyzed Cascade Double Reduction Strategy: Construction of Structurally Diverse Julolidines and Their Analogues. Org Lett 2020; 22:2251-2255. [DOI: 10.1021/acs.orglett.0c00444] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Li-Ren Wang
- 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, P. R. China
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, P. R. China
| | - Dan Chang
- 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, P. R. China
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, P. R. China
| | - Yu Feng
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, P. R. China
| | - Yan-Mei He
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, P. R. China
| | - Guo-Jun Deng
- 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, P. R. China
| | - Qing-Hua Fan
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, P. R. China
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18
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de Paiva WF, Braga IB, de Assis JV, Castañeda SMB, Sathicq ÁG, Palermo V, Romanelli GP, Natalino R, da Silva MJ, Martins FT, de Carvalho GSG, Amarante GW, Fernandes SA. Microwave-assisted multicomponent synthesis of julolidines using silica-supported calix[4]arene as heterogeneous catalyst. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.05.049] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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