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Jia X, Wang Q, Huang F, Liu J, Wang W, Yang C, Sun C, Chen D. Cation Bridge Mediating Homo- and Cross-Coupling in Copper-Catalyzed Reductive Coupling of Benzaldehyde and Benzophenone. Inorg Chem 2022; 61:18033-18043. [DOI: 10.1021/acs.inorgchem.2c02392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Xinhua Jia
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China
| | - Qiong Wang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China
| | - Fang Huang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China
| | - Jianbiao Liu
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China
| | - Wenjuan Wang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China
| | - Chong Yang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China
| | - Chuanzhi Sun
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China
| | - Dezhan Chen
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China
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2
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Tu J, Ripa RA, Kelley SP, Harmata M. Intramolecular (4+3) Cycloadditions of Oxidopyridinium Ions: Towards Daphnicyclidin A. Chemistry 2022; 28:e202200370. [PMID: 35612968 DOI: 10.1002/chem.202200370] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Indexed: 12/15/2022]
Abstract
N-alkylation of 5-hydroxynicotinic acid esters with electrophiles containing diene functionality produces salts that undergo intramolecular (4+3) cycloaddition reactions upon heating in the presence of base. Initial studies used a three-carbon tether to join the pyridinium ion and diene, revealing some aspects of the inherent selectivity of the reaction with such substrates. Much more challenging was the synthesis of related species possessing only a two-carbon tether. Nevertheless, the cycloaddition of such compounds was successful, leading directly to the ABC ring system of the alkaloid daphnicyclidin A.
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Affiliation(s)
- Jianzhuo Tu
- Department of Chemistry, University of Missouri-Columbia, 601 S. College Avenue, Columbia, Missouri, 65211, USA
| | - Rawshan A Ripa
- Department of Chemistry, University of Missouri-Columbia, 601 S. College Avenue, Columbia, Missouri, 65211, USA
| | - Steven P Kelley
- Department of Chemistry, University of Missouri-Columbia, 601 S. College Avenue, Columbia, Missouri, 65211, USA
| | - Michael Harmata
- Department of Chemistry, University of Missouri-Columbia, 601 S. College Avenue, Columbia, Missouri, 65211, USA
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3
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Rogdakis T, Charou D, Latorrata A, Papadimitriou E, Tsengenes A, Athanasiou C, Papadopoulou M, Chalikiopoulou C, Katsila T, Ramos I, Prousis KC, Wade RC, Sidiropoulou K, Calogeropoulou T, Gravanis A, Charalampopoulos I. Development and Biological Characterization of a Novel Selective TrkA Agonist with Neuroprotective Properties against Amyloid Toxicity. Biomedicines 2022; 10:614. [PMID: 35327415 PMCID: PMC8945229 DOI: 10.3390/biomedicines10030614] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/23/2022] [Accepted: 03/03/2022] [Indexed: 12/12/2022] Open
Abstract
Neurotrophins are growth factors that exert important neuroprotective effects by preventing neuronal death and synaptic loss. Nerve Growth Factor (NGF) acts through the activation of its high-affinity, pro-survival TrkA and low-affinity, pro-apoptotic p75NTR receptors. NGF has been shown to slow or prevent neurodegenerative signals in Alzheimer's Disease (AD) progression. However, its low bioavailability and its blood-brain-barrier impermeability limit the use of NGF as a potential therapeutic agent against AD. Based on our previous findings on synthetic dehydroepiandrosterone derivatives, we identified a novel NGF mimetic, named ENT-A013, which selectively activates TrkA and exerts neuroprotective, anti-amyloid-β actions. We now report the chemical synthesis, in silico modelling, metabolic stability, CYP-mediated reaction phenotyping and biological characterization of ENT-A013 under physiological and neurodegenerative conditions. We show that ENT-A013 selectively activates the TrkA receptor and its downstream kinases Akt and Erk1/2 in PC12 cells, protecting these cells from serum deprivation-induced cell death. Moreover, ENT-A013 promotes survival of primary Dorsal Root Ganglion (DRG) neurons upon NGF withdrawal and protects hippocampal neurons against Amyloid β-induced apoptosis and synaptic loss. Furthermore, this neurotrophin mimetic partially restores LTP impairment. In conclusion, ENT-A013 represents a promising new lead molecule for developing therapeutics against neurodegenerative disorders, such as Alzheimer's Disease, selectively targeting TrkA-mediated pro-survival signals.
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Affiliation(s)
- Thanasis Rogdakis
- Department of Pharmacology, Medical School, University of Crete, 71003 Heraklion, Greece; (T.R.); (D.C.); (E.P.); (M.P.); (A.G.)
- Foundation for Research & Technology-Hellas (IMBB-FORTH), Institute of Molecular Biology & Biotechnology, 70013 Heraklion, Greece;
| | - Despoina Charou
- Department of Pharmacology, Medical School, University of Crete, 71003 Heraklion, Greece; (T.R.); (D.C.); (E.P.); (M.P.); (A.G.)
- Foundation for Research & Technology-Hellas (IMBB-FORTH), Institute of Molecular Biology & Biotechnology, 70013 Heraklion, Greece;
| | - Alessia Latorrata
- National Hellenic Research Foundation, Institute of Chemical Biology, 11635 Athens, Greece; (A.L.); (C.C.); (T.K.); (K.C.P.); (T.C.)
| | - Eleni Papadimitriou
- Department of Pharmacology, Medical School, University of Crete, 71003 Heraklion, Greece; (T.R.); (D.C.); (E.P.); (M.P.); (A.G.)
- Foundation for Research & Technology-Hellas (IMBB-FORTH), Institute of Molecular Biology & Biotechnology, 70013 Heraklion, Greece;
| | - Alexandros Tsengenes
- Molecular and Cellular Modeling Group, Heidelberg Institute for Theoretical Studies (HITS), 69118 Heidelberg, Germany; (A.T.); (C.A.); (R.C.W.)
- Faculty of Biosciences, Heidelberg University, 69120 Heidelberg, Germany
- Heidelberg Biosciences International Graduate School, Heidelberg University, 69120 Heidelberg, Germany
| | - Christina Athanasiou
- Molecular and Cellular Modeling Group, Heidelberg Institute for Theoretical Studies (HITS), 69118 Heidelberg, Germany; (A.T.); (C.A.); (R.C.W.)
- Faculty of Biosciences, Heidelberg University, 69120 Heidelberg, Germany
- Heidelberg Biosciences International Graduate School, Heidelberg University, 69120 Heidelberg, Germany
| | - Marianna Papadopoulou
- Department of Pharmacology, Medical School, University of Crete, 71003 Heraklion, Greece; (T.R.); (D.C.); (E.P.); (M.P.); (A.G.)
- Foundation for Research & Technology-Hellas (IMBB-FORTH), Institute of Molecular Biology & Biotechnology, 70013 Heraklion, Greece;
| | - Constantina Chalikiopoulou
- National Hellenic Research Foundation, Institute of Chemical Biology, 11635 Athens, Greece; (A.L.); (C.C.); (T.K.); (K.C.P.); (T.C.)
| | - Theodora Katsila
- National Hellenic Research Foundation, Institute of Chemical Biology, 11635 Athens, Greece; (A.L.); (C.C.); (T.K.); (K.C.P.); (T.C.)
| | - Isbaal Ramos
- Innovative Technologies in Biological Systems SL (INNOPROT), 48160 Bizkaia, Spain;
| | - Kyriakos C. Prousis
- National Hellenic Research Foundation, Institute of Chemical Biology, 11635 Athens, Greece; (A.L.); (C.C.); (T.K.); (K.C.P.); (T.C.)
| | - Rebecca C. Wade
- Molecular and Cellular Modeling Group, Heidelberg Institute for Theoretical Studies (HITS), 69118 Heidelberg, Germany; (A.T.); (C.A.); (R.C.W.)
- Faculty of Biosciences, Heidelberg University, 69120 Heidelberg, Germany
- Center for Molecular Biology (ZMBH), DKFZ-ZMBH Alliance, Heidelberg University, 69120 Heidelberg, Germany
- Interdisciplinary Center for Scientific Computing (IWR), Heidelberg University, 69120 Heidelberg, Germany
| | - Kyriaki Sidiropoulou
- Foundation for Research & Technology-Hellas (IMBB-FORTH), Institute of Molecular Biology & Biotechnology, 70013 Heraklion, Greece;
- Department of Biology, University of Crete, 71113 Heraklion, Greece
| | - Theodora Calogeropoulou
- National Hellenic Research Foundation, Institute of Chemical Biology, 11635 Athens, Greece; (A.L.); (C.C.); (T.K.); (K.C.P.); (T.C.)
| | - Achille Gravanis
- Department of Pharmacology, Medical School, University of Crete, 71003 Heraklion, Greece; (T.R.); (D.C.); (E.P.); (M.P.); (A.G.)
- Foundation for Research & Technology-Hellas (IMBB-FORTH), Institute of Molecular Biology & Biotechnology, 70013 Heraklion, Greece;
| | - Ioannis Charalampopoulos
- Department of Pharmacology, Medical School, University of Crete, 71003 Heraklion, Greece; (T.R.); (D.C.); (E.P.); (M.P.); (A.G.)
- Foundation for Research & Technology-Hellas (IMBB-FORTH), Institute of Molecular Biology & Biotechnology, 70013 Heraklion, Greece;
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Ha MW, Kim J, Paek SM. Recent Achievements in Total Synthesis for Integral Structural Revisions of Marine Natural Products. Mar Drugs 2022; 20:md20030171. [PMID: 35323470 PMCID: PMC8951824 DOI: 10.3390/md20030171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/20/2022] [Accepted: 02/21/2022] [Indexed: 02/01/2023] Open
Abstract
A great effort to discover new therapeutic ingredients is often initiated through the discovery of the existence of novel marine natural products. Since substances produced by the marine environment might be structurally more complex and unique than terrestrial natural products, there have been cases of misassignments of their structures despite the availability of modern spectroscopic and computational chemistry techniques. When it comes to refutation to erroneously or tentatively proposed structures empirical preparations through organic chemical synthesis has the greatest contribution along with close and sophiscated inspection of spectroscopic data. Herein, we analyzed the total synthetic studies that have decisively achieved in revelation of errors, ambiguities, or incompleteness of the isolated structures of marine natural products covering the period from 2018 to 2021.
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Affiliation(s)
- Min Woo Ha
- Jeju Research Institute of Pharmaceutical Sciences, College of Pharmacy, Jeju National University, 102 Jejudaehak-ro, Jeju 63243, Jeju-do, Korea;
- Interdisciplinary Graduate Program in Advanced Convergence Technology & Science, Jeju National University, 102 Jejudaehak-ro, Jeju 63243, Jeju-do, Korea
| | - Jonghoon Kim
- Department of Chemistry, Soongsil University, 369 Sangdo-ro, Dongjak-gu, Seoul 06978, Korea;
| | - Seung-Mann Paek
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Gyeongsang National University, 501 Jinju-daero, Jinju 52828, Gyeongnam-do, Korea
- Correspondence: ; Tel.: +82-55-772-2424
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Abbas SY. Addition of the tertiary radicals to electron-deficient 1,3-dienes using photoredox catalysis. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Lu Z, Chong C. Bioinspired Total Synthesis of Marine Anticancer Meroterpenoids Dysideanone B and Dysiherbol A and Structure Revision of Dysiherbol A. Synlett 2021. [DOI: 10.1055/a-1546-2572] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
AbstractOur recent progress on the total synthesis of marine anticancer sesquiterpene quinone/hydroquinone dysideanone B and dysiherbol A is briefly highlighted. This success relied on some key transformations. The union of the terpene and quinone/hydroquinone moieties was realized through a site and stereoselective α-position alkylation of Wieland–Miescher ketone derivative with a bulky benzyl bromide. The 6/6/6/6-tetracycle of dysideanone B was constructed using an intramolecular radical cyclization and the 6/6/5/6-fused core structure of dysiherbol A was forged by an intramolecular Heck reaction, respectively. The possible origin of ethoxy group in dysideanone B was revealed by mimicking the isolation conditions at a late stage. The structure of dysiherbol A was revised through the total synthesis of this natural product. Schmalz’s synthesis of dysiherbol A was also included.
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Chong C, Zhang Q, Ke J, Zhang H, Yang X, Wang B, Ding W, Lu Z. Total Synthesis of Anti‐Cancer Meroterpenoids Dysideanone B and Dysiherbol A and Structural Reassignment of Dysiherbol A. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202100541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Chuanke Chong
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Rd Tianjin 300350 China
| | - Qunlong Zhang
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Rd Tianjin 300350 China
| | - Jia Ke
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Rd Tianjin 300350 China
| | - Haiming Zhang
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Rd Tianjin 300350 China
| | - Xudong Yang
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Rd Tianjin 300350 China
| | - Bingjian Wang
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Rd Tianjin 300350 China
| | - Wei Ding
- Tianjin Key Laboratory of Human Development and Reproductive Regulation Tianjin Central Hospital of Gynecology Obstetrics Nankai University 156 Third Rd Tianjin 300052 China
| | - Zhaoyong Lu
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Rd Tianjin 300350 China
- State Key Laboratory of Natural Medicines China Pharmaceutical University 24 Tongjiaxiang Nanjing 210009 China
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8
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Chong C, Zhang Q, Ke J, Zhang H, Yang X, Wang B, Ding W, Lu Z. Total Synthesis of Anti-Cancer Meroterpenoids Dysideanone B and Dysiherbol A and Structural Reassignment of Dysiherbol A. Angew Chem Int Ed Engl 2021; 60:13807-13813. [PMID: 33847042 DOI: 10.1002/anie.202100541] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 03/30/2021] [Indexed: 01/01/2023]
Abstract
The first total synthesis of marine anti-cancer meroterpenoids dysideanone B and dysiherbol A have been accomplished in a divergent way. The synthetic route features: 1) a site and stereoselective α-position alkylation of a Wieland-Miescher ketone derivative with a bulky benzyl bromide to join the terpene and aromatic moieties together and set the stage for subsequent cyclization reactions; 2) an intramolecular radical cyclization to construct the 6/6/6/6-tetracycle of dysideanone B and an intramolecular Heck reaction to forge the 6/6/5/6-fused core structure of dysiherbol A. A late-stage introduction of the ethoxy group in dysideanone B reveals that this group might come from the solvent ethanol. The structure of dysiherbol A has been revised based on our chemical total synthesis.
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Affiliation(s)
- Chuanke Chong
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, 38 Tongyan Rd, Tianjin, 300350, China
| | - Qunlong Zhang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, 38 Tongyan Rd, Tianjin, 300350, China
| | - Jia Ke
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, 38 Tongyan Rd, Tianjin, 300350, China
| | - Haiming Zhang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, 38 Tongyan Rd, Tianjin, 300350, China
| | - Xudong Yang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, 38 Tongyan Rd, Tianjin, 300350, China
| | - Bingjian Wang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, 38 Tongyan Rd, Tianjin, 300350, China
| | - Wei Ding
- Tianjin Key Laboratory of Human Development and Reproductive Regulation, Tianjin Central Hospital of Gynecology Obstetrics, Nankai University, 156 Third Rd, Tianjin, 300052, China
| | - Zhaoyong Lu
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, 38 Tongyan Rd, Tianjin, 300350, China.,State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
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Lu X, Zhang J, Xu L, Shen W, Yu F, Ding L, Zhong G. Ruthenium-Catalyzed Brook Rearrangement Involved Domino Sequence Enabled by Acylsilane-Aldehyde Corporation. Org Lett 2020; 22:5610-5616. [PMID: 32633529 DOI: 10.1021/acs.orglett.0c01983] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A ruthenium-catalyzed [1,2]-Brook rearrangement involved domino sequence is presented to prepare highly functionalized silyloxy indenes with atomic- and step-economy. This domino reaction is triggered by acylsilane-directed C-H activation, and the aldehyde controlled the subsequent enol cyclization/Brook Rearrangement other than β-H elimination. The protocol tolerates a broad substitution pattern, and the further synthetic elaboration of silyloxy indenes allows access to a diverse range of interesting indene and indanone derivatives.
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Affiliation(s)
- Xiunan Lu
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Jian Zhang
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Liangyao Xu
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Wenzhou Shen
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Feifei Yu
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Liyuan Ding
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Guofu Zhong
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
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Döndaş HA, Retamosa MDG, Sansano JM. Recent Development in Palladium-Catalyzed Domino Reactions: Access to Materials and Biologically Important Carbo- and Heterocycles. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00110] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- H. Ali Döndaş
- Mersin University, Faculty of Pharmacy, Yenisehir Campus 33169, Yenisehir, Mersin, Turkey
| | - María de Gracia Retamosa
- Instituto de Investigaciones Químicas (CSIC-US) and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Avda. Américo Vespucio, 49, 41092 Sevilla, Spain
| | - José M. Sansano
- Departamento de Química Orgánica, Instituto de Síntesis Orgánica (ISO) and Centro de Innovación en Química Avanzada (ORFEO-CINQA), University of Alicante, 03080 Alicante, Spain
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