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Zhang Y, Li J, Yang H, Li K, Yuan H, Xue Z, Tang L, Fan Z. Fungicidal Activity of New Pyrrolo[2,3- d]thiazoles and Their Potential Action on the Tryptophan Metabolic Pathway and Wax Biosynthesis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:11990-12002. [PMID: 38757490 DOI: 10.1021/acs.jafc.4c00930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
The main challenge in the development of agrochemicals is the lack of new leads and/or targets. It is critical to discover new molecular targets and their corresponding ligands. YZK-C22, which contains a 1,2,3-thiadiazol-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole skeleton, is a fungicide lead compound with broad-spectrum fungicidal activity. Previous studies suggested that the [1,2,4]triazolo[3,4-b][1,3,4]thiadiazole scaffold exhibited good antifungal activity. Inspired by this, a series of pyrrolo[2,3-d]thiazole derivatives were designed and synthesized through a bioisosteric strategy. Compounds C1, C9, and C20 were found to be more active against Rhizoctonia solani than the positive control YZK-C22. More than half of the target compounds provided favorable activity against Botrytis cinerea, where the EC50 values of compounds C4, C6, C8, C10, and C20 varied from 1.17 to 1.77 μg/mL. Surface plasmon resonance and molecular docking suggested that in vitro potent compounds C9 and C20 have a new mode of action instead of acting as pyruvate kinase inhibitors. Transcriptome analysis revealed that compound C20 can impact the tryptophan metabolic pathway, cutin, suberin, and wax biosynthesis of B. cinerea. Overall, pyrrolo[2,3-d]thiazole is discovered as a new fungicidal lead structure with a potential new mode of action for further exploration.
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Affiliation(s)
- Yue Zhang
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
- Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, No. 94, Weijin Road, Nankai District, Tianjin 300071, P. R. China
| | - Jing Li
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
- Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, No. 94, Weijin Road, Nankai District, Tianjin 300071, P. R. China
| | - Hongwei Yang
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
- Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, No. 94, Weijin Road, Nankai District, Tianjin 300071, P. R. China
| | - Kun Li
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
- Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, No. 94, Weijin Road, Nankai District, Tianjin 300071, P. R. China
| | - Haolin Yuan
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
- Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, No. 94, Weijin Road, Nankai District, Tianjin 300071, P. R. China
| | - Ziqiao Xue
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
- Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, No. 94, Weijin Road, Nankai District, Tianjin 300071, P. R. China
| | - Liangfu Tang
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
- Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, No. 94, Weijin Road, Nankai District, Tianjin 300071, P. R. China
| | - Zhijin Fan
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
- Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, No. 94, Weijin Road, Nankai District, Tianjin 300071, P. R. China
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Chamakiya CA, Chothani SR, Joshi RJ, Bhalodia J, Ambasana MA, Bapodra AH, Kapuriya N. Efficient and metal-free synthesis of 2-aroyl 7-azaindoles via thermally induced denitrogenative intramolecular annulation of 1,2,3,4-tetrazolopyridines. Org Biomol Chem 2024; 22:2192-2196. [PMID: 38411006 DOI: 10.1039/d4ob00078a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
A facile and metal-free intramolecular denitrogenative annulation strategy for the preparation of novel 2-aroyl 7-azaindoles has been developed from 3-(tetrazolo[1,5-a]pyridin-8-yl)prop-2-en-1-one in the presence of the deep eutectic solvent Dowtherm A. The valuable features of the protocol include a short reaction time, absence of any metal catalyst, utilization of a eutectic solvent, easy product isolation, and very good yields of novel 2-aroyl 7-azaindoles.
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Affiliation(s)
- Chirag A Chamakiya
- Department of chemistry and forensic science, Bhakta Kavi Narsinh Mehta University Junagadh, Gujarat, India.
| | - Savankumar R Chothani
- Department of chemistry and forensic science, Bhakta Kavi Narsinh Mehta University Junagadh, Gujarat, India.
| | - Rupal J Joshi
- Department of chemistry and forensic science, Bhakta Kavi Narsinh Mehta University Junagadh, Gujarat, India.
| | - Jasmin Bhalodia
- Department of chemistry and forensic science, Bhakta Kavi Narsinh Mehta University Junagadh, Gujarat, India.
| | - Mrunal A Ambasana
- Department of chemistry and forensic science, Bhakta Kavi Narsinh Mehta University Junagadh, Gujarat, India.
| | - Atul H Bapodra
- Department of chemistry and forensic science, Bhakta Kavi Narsinh Mehta University Junagadh, Gujarat, India.
| | - Naval Kapuriya
- Department of chemistry and forensic science, Bhakta Kavi Narsinh Mehta University Junagadh, Gujarat, India.
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Abegg T, Cossy J, Meyer C. Cascade Cope/Winstein Rearrangements: Synthesis of Azido-Cycloheptadienes from Dialkenylcyclopropanes Possessing a Vinyl Azide. Org Lett 2022; 24:4954-4959. [PMID: 35787030 DOI: 10.1021/acs.orglett.2c01888] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
cis-1,2-Dialkenylcyclopropanes incorporating a vinyl azide, generated by Knoevenagel condensations between the corresponding cyclopropanecarbaldehydes and α-azido ketones, undergo cascade Cope and Winstein [3,3]-sigmatropic rearrangements, under mild conditions. The sequence allows access to diversely substituted 1,4-cycloheptadienes armed with a secondary allylic azide with up to three stereocenters.
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Affiliation(s)
- Thomas Abegg
- Molecular, Macromolecular Chemistry, and Materials, ESPCI Paris - PSL, CNRS, 10 rue Vauquelin 75005 Paris, France
| | - Janine Cossy
- Molecular, Macromolecular Chemistry, and Materials, ESPCI Paris - PSL, CNRS, 10 rue Vauquelin 75005 Paris, France
| | - Christophe Meyer
- Molecular, Macromolecular Chemistry, and Materials, ESPCI Paris - PSL, CNRS, 10 rue Vauquelin 75005 Paris, France
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Heckershoff R, Schnitzer T, Diederich T, Eberle L, Krämer P, Rominger F, Rudolph M, Hashmi ASK. Efficient Synthesis of Dipyrrolobenzenes and Dipyrrolopyrazines via Bidirectional Gold Catalysis: a Combined Synthetic and Photophysical Study. J Am Chem Soc 2022; 144:8306-8316. [PMID: 35471963 DOI: 10.1021/jacs.2c02394] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
New N-heterocyclic fluorophores are sought-after compounds for organic electronic devices. Here, we report on a straightforward synthesis to access meta/para-dipyrrolobenzenes and para-dipyrrolopyrazines in high yields using a bidirectional gold-catalyzed cyclization strategy. The versatility of our reaction protocol was showcased by preparing dipyrroloarenes with different substituents, various functional groups, and in a multitude of substitution patterns. Furthermore, we showed that the dipyrroloarenes can be post-modified by N-alkylation to improve the solubility or bromination to yield precursors for further derivatization via cross-coupling. Investigation of the photophysical properties of the─mostly unprecedented─dipyrroloarenes identified strong blue emitters such as the diphenyl meta-dipyrrolobenzene with a quantum yield of 98%. Moreover, we showed that changes in the solvent polarity or interactions with Lewis acids such as borane can be used to fine-tune the photophysical properties of the fluorophores.
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Affiliation(s)
- Robin Heckershoff
- Organisch-Chemisches Institut (OCI), Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Tobias Schnitzer
- Organisch-Chemisches Institut (OCI), Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany.,Institute for Complex Molecular Systems, Eindhoven University of Technology, Het Kranenveld, 5600 MB Eindhoven, The Netherlands
| | - Tim Diederich
- Organisch-Chemisches Institut (OCI), Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Lukas Eberle
- Organisch-Chemisches Institut (OCI), Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Petra Krämer
- Organisch-Chemisches Institut (OCI), Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Frank Rominger
- Organisch-Chemisches Institut (OCI), Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Matthias Rudolph
- Organisch-Chemisches Institut (OCI), Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - A Stephen K Hashmi
- Organisch-Chemisches Institut (OCI), Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany.,Chemistry Department, Faculty of Science, King Abdulaziz University, 21589 Jeddah, Saudi Arabia
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Abstract
We report a new class of building blocks for Dynamic Combinatorial Chemistry (DCC) based on the pyrroloindole scaffold. The attachment of l-cysteine on the α, α′ positions of the core makes the molecule suitable for disulfide exchange in aqueous dynamic combinatorial libraries (DCLs). The synthesis of the core follows a modified version of the Knoevenagel–Hemetsberger approach. The new building block (l-PI) is fluorescent (Φ = 48%) and relatively stable towards thermal and photodegradation. The chirality of the cysteine is transferred to the electron-rich pyrroloindole core. Homo- and heterochiral DCLs of l-PI with electron-deficient l- and d-naphthalenediimide (NDI) lead to similar library distributions regardless of the enantiomer used. When no salt is present, the major component is a dimer, while dimers and tetramers are obtained at increased ionic strength.
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Joseph R. Selective Detection of Fe 3+, F -, and Cysteine by a Novel Triazole-Linked Decaamine Derivative of Pillar[5]arene and Its Metal Ion Complex in Water. ACS OMEGA 2020; 5:6215-6220. [PMID: 32226907 PMCID: PMC7098014 DOI: 10.1021/acsomega.0c00595] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 02/28/2020] [Indexed: 06/10/2023]
Abstract
Appropriately functionalized pillar[n]arenes are elegant supramolecular hosts for ion and molecule sensing. A water-soluble decaamine derivative of pillar[5]arene (APA) bearing triazole and amide moieties is synthesized. The ion and molecular recognition properties of APA are studied by fluorescence, UV-visible, and 1H nuclear magnetic resonance (NMR) spectroscopy. The APA selectively detects Fe3+ among 11 studied ions, which are important in several biological processes. Moreover, the in situ prepared Fe3+ complex of APA (FeAPA) exhibits the highest responsiveness toward F- (∼12-fold) among 11 anions and cysteine (∼120-fold) among the 20 naturally occurring amino acids by a fluorescence turn-on mechanism.
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7
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Synthesis of polyfunctional imidazoles from vinyl azides and amidine along with NHBoc as a leaving group. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.04.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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8
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Ren L, Nan G, Wang Y, Xiao Z. Carboxylic Acid-Promoted Single-Step Indole Construction from Simple Anilines and Ketones via Aerobic Cross-Dehydrogenative Coupling. J Org Chem 2018; 83:14472-14488. [PMID: 30378428 DOI: 10.1021/acs.joc.8b02180] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The cross-dehydrogenative coupling (CDC) reaction is an efficient strategy for indole synthesis. However, most CDC methods require special substrates, and the presence of inherent groups limits the versatility for further transformation. A carboxylic acid-promoted aerobic catalytic system is developed herein for a single-step synthesis of indoles from simple anilines and ketones. This versatile system is featured by the broad substrate scope and the use of ambient oxygen as an oxidant and is convenient and economical for both laboratory and industry applications. The existence of the labile hydrogen at C-3 and the highly transformable carbonyl at C-2 makes the indoles versatile building blocks for organic synthesis in different contexts. Computational studies based on the density functional theory (DFT) suggest that the rate-determining step is carboxylic acid-assisted condensation of the substrates, rather than the functionalization of aryl C-H. Accordingly, a pathway via imine intermediates is deemed to be the preferred mechanism. In contrast to the general deduction, the in situ formed imine, instead of its enamine isomer, is believed to be involved in the first ligand exchange and later carbopalladation of the α-Me, which shed new light on this indolization mechanism.
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Affiliation(s)
- Long Ren
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Institute of Materia Medica , Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
| | - Guanglei Nan
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Institute of Materia Medica , Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
| | - Yongcheng Wang
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Institute of Materia Medica , Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
| | - Zhiyan Xiao
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Institute of Materia Medica , Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
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A new and efficient method for the synthesis of 3-(2-nitrophenyl)pyruvic acid derivatives and indoles based on the Reissert reaction. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.09.039] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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10
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Kandemir H, Saglam MF, Sengul IF. Synthesis of Methylene Bridged Bis-pyrrolo[3,2-c]carbazoles via an Unusual Vilsmeier–Haack Product of N-Ethylcarbazole. Polycycl Aromat Compd 2018. [DOI: 10.1080/10406638.2018.1458739] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Hakan Kandemir
- Department of Chemistry, Faculty of Art and Science, Namık Kemal University, Tekirdag, Turkey
| | - Mehmet F. Saglam
- Department of Chemistry, Faculty of Science, Gebze Technical University, Gebze, Kocaeli, Turkey
| | - Ibrahim F. Sengul
- Department of Chemistry, Faculty of Science, Gebze Technical University, Gebze, Kocaeli, Turkey
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Bulumulla C, Gunawardhana R, Kularatne RN, Hill ME, McCandless GT, Biewer MC, Stefan MC. Thieno[3,2- b]pyrrole-benzothiadiazole Banana-Shaped Small Molecules for Organic Field-Effect Transistors. ACS APPLIED MATERIALS & INTERFACES 2018; 10:11818-11825. [PMID: 29584400 DOI: 10.1021/acsami.8b01113] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We report two banana-shaped organic semiconducting small molecules containing the relatively unexplored thieno[3,2- b]pyrrole with thiophene and furan flanked benzothiadiazole. Theoretical insights gained by DFT calculations, supported by single crystal structures show that furan flanked benzothiadiazole-thieno[3,2- b]pyrrole small molecule has a higher curvature compared to the thiophene flanked small molecule due to the shorter carbon-oxygen bond in furan. Despite similar optical and electrochemical properties, thiophene flanked small molecule shows average hole mobility up to 8 × 10-2 cm2 V-1 s-1, however furan flanked small molecule performs poorly in thin film transistor devices (μh ≈ 5 × 10-6 cm2 V-1 s-1). The drastic difference in hole mobilities was due to the annealing-induced crystallinity which was demonstrated by the out-of-plane grazing incidence X-ray diffraction and surface morphology studies by tapping mode atomic force microscopy analysis.
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12
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Indole-2-carboxamide Derivatives as Potent Urotensin-II Receptor (UT) Antagonists. B KOREAN CHEM SOC 2017. [DOI: 10.1002/bkcs.11221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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13
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Amine-mediated synthesis of amides from 1,3-dicarbonyl compounds through a domino diazo transfer/aminolysis process. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.06.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Vlasselaer M, Dehaen W. Synthesis of Linearly Fused Benzodipyrrole Based Organic Materials. Molecules 2016; 21:E785. [PMID: 27322228 PMCID: PMC6273171 DOI: 10.3390/molecules21060785] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Revised: 06/10/2016] [Accepted: 06/13/2016] [Indexed: 12/03/2022] Open
Abstract
The objective of this review is to give an overview of the synthetic methods to prepare different indolo[3,2-b]carbazoles and similar systems with a potential use in electro-optical devices such as OLEDs (organic light emitting diode), OPVs (organic photovoltaic) and OFETs (organic field effect transistor). Some further modifications to the core units and their implications for specific applications are also discussed.
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Affiliation(s)
- Maarten Vlasselaer
- Molecular Design and Synthesis, Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001 Heverlee, Belgium.
| | - Wim Dehaen
- Molecular Design and Synthesis, Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001 Heverlee, Belgium.
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Cantillo D, Gutmann B, Oliver Kappe C. Safe generation and use of bromine azide under continuous flow conditions--selective 1,2-bromoazidation of olefins. Org Biomol Chem 2015; 14:853-7. [PMID: 26648268 DOI: 10.1039/c5ob02425k] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bromine azide (BrN3), a useful but extremely toxic and explosive reagent for the preparation of vicinal 1,2-bromine azide compounds, was safely generated and reacted in situ with alkenes in a continuous flow photoreactor. BrN3 was generated by a novel procedure from NaBr and NaN3 in water, and efficiently extracted into an organic phase containing the alkene thus avoiding decomposition. The resulting addition products have been used for the preparation of several useful building blocks.
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Affiliation(s)
- David Cantillo
- Institute of Chemistry, University of Graz, NAWI Graz, Heinrichstrasse 28, A-8010 Graz, Austria.
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Tapia RA, Salas CO, Vázquez K, Espinosa-Bustos C, Soto-Delgado J, Varela J, Birriel E, Cerecetto H, González M, Paulino M. Synthesis and biological characterization of new aryloxyindole-4,9-diones as potent trypanosomicidal agents. Bioorg Med Chem Lett 2014; 24:3919-22. [DOI: 10.1016/j.bmcl.2014.06.044] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Revised: 06/12/2014] [Accepted: 06/16/2014] [Indexed: 10/25/2022]
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