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Hilt G. The Synthetic Approaches to 1,2-Chlorohydrins. SYNTHESIS-STUTTGART 2022. [DOI: 10.1055/s-0042-1751379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
AbstractThis short review highlights the hitherto realised synthetic approaches towards organic 1,2-chlorohydrins by functionalisation of alkenes (i.e., 1,2-chlorohydroxylation), which is the most prominent access route to this class of compounds. Also, some other synthetic approaches involving the reduction of α-chloroketones, the epoxide opening ring by chloride anions and the utilisation of Grignard reagents for the synthesis of these compounds and chlorination of allylic alcohols are highlighted. Finally, enzymatic reactions for the formation of chlorohydrins are briefly summarised followed by a short view on natural products containing this moiety.1 Introduction2 Applications for the Synthesis of 1,2-Chlorohydrins2.1 Chlorohydroxylation of Alkenes2.2 Reduction of Chloroketones2.3 Metalorganic Reagents2.4 Epoxide Ring Opening2.5 Chlorination of Allylic Alcohols2.6 Biochemical Methods2.7 Selected Applications in Natural Product Total Synthesis3 Conclusion
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Mo2C as Pre-Catalyst for the C-H Allylic Oxygenation of Alkenes and Terpenoids in the Presence of H2O2. ORGANICS 2022. [DOI: 10.3390/org3030014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
In this study, commercially available molybdenum carbide (Mo2C) was used, in the presence of H2O2, as an efficient pre-catalyst for the selective C-H allylic oxygenation of several unsaturated molecules into the corresponding allylic alcohols. Under these basic conditions, an air-stable, molybdenum-based polyoxometalate cluster (Mo-POM) was formed in situ, leading to the generation of singlet oxygen (1O2), which is responsible for the oxygenation reactions. X-ray diffraction, SEM/EDX and HRMS analyses support the formation mainly of the Mo6O192− cluster. Following the proposed procedure, a series of cycloalkenes, styrenes, terpenoids and methyl oleate were successfully transformed into hydroperoxides. After subsequent reduction, the corresponding allylic alcohols were produced with good yields and in lab-scale quantities. A mechanistic study excluded a hydrogen atom transfer pathway and supported the twix-selective oxygenation of cycloalkenes on the more sterically hindered side via the 1O2 generation.
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Tzani MA, Fountoulaki S, Lykakis IN. Polyoxometalate-Driven Ease Conversion of Valuable Furfural to trans- N, N-4,5-Diaminocyclopenten-2-ones. J Org Chem 2022; 87:2601-2615. [PMID: 35073691 DOI: 10.1021/acs.joc.1c02550] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We investigated the catalytic efficacy of silicotungstic acid (H4SiW12O40) polyoxometalate (POM) toward the reaction between furfural and amines that selectively yields trans-N,N-4,5-substituted-diaminocyclopenten-2-ones (trans-DACPs). H4SiW12O40 facilitates the synthesis of a library of trans-DACPs with loadings as low as 0.05 mol %, in open air, without additives, in short times and good to high isolated yields. The protocol was applied to secondary amines as well as to aromatic primary amines with pKb higher than ca. 9. The present catalytic synthetic protocol has an extended substrate scope with high yields and represents, to the best of our knowledge, the first polyoxometalate-driven paradigm as an efficient method to produce cyclopentanone frameworks under mild reaction conditions.
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Affiliation(s)
- Marina A Tzani
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
| | - Stella Fountoulaki
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
| | - Ioannis N Lykakis
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
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Tzani MA, Gioftsidou DK, Kallitsakis MG, Pliatsios NV, Kalogiouri NP, Angaridis PA, Lykakis IN, Terzidis MA. Direct and Indirect Chemiluminescence: Reactions, Mechanisms and Challenges. Molecules 2021; 26:7664. [PMID: 34946744 PMCID: PMC8705051 DOI: 10.3390/molecules26247664] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/12/2021] [Accepted: 12/14/2021] [Indexed: 11/29/2022] Open
Abstract
Emission of light by matter can occur through a variety of mechanisms. When it results from an electronically excited state of a species produced by a chemical reaction, it is called chemiluminescence (CL). The phenomenon can take place both in natural and artificial chemical systems and it has been utilized in a variety of applications. In this review, we aim to revisit some of the latest CL applications based on direct and indirect production modes. The characteristics of the chemical reactions and the underpinning CL mechanisms are thoroughly discussed in view of studies from the very recent bibliography. Different methodologies aiming at higher CL efficiencies are summarized and presented in detail, including CL type and scaffolds used in each study. The CL role in the development of efficient therapeutic platforms is also discussed in relation to the Reactive Oxygen Species (ROS) and singlet oxygen (1O2) produced, as final products. Moreover, recent research results from our team are included regarding the behavior of commonly used photosensitizers upon chemical activation under CL conditions. The CL prospects in imaging, biomimetic organic and radical chemistry, and therapeutics are critically presented in respect to the persisting challenges and limitations of the existing strategies to date.
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Affiliation(s)
- Marina A. Tzani
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece; (M.A.Tz.); (D.K.G.); (M.G.K.); (N.V.P.); (N.P.K.); (P.A.A.)
| | - Dimitra K. Gioftsidou
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece; (M.A.Tz.); (D.K.G.); (M.G.K.); (N.V.P.); (N.P.K.); (P.A.A.)
| | - Michael G. Kallitsakis
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece; (M.A.Tz.); (D.K.G.); (M.G.K.); (N.V.P.); (N.P.K.); (P.A.A.)
| | - Nikolaos V. Pliatsios
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece; (M.A.Tz.); (D.K.G.); (M.G.K.); (N.V.P.); (N.P.K.); (P.A.A.)
| | - Natasa P. Kalogiouri
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece; (M.A.Tz.); (D.K.G.); (M.G.K.); (N.V.P.); (N.P.K.); (P.A.A.)
| | - Panagiotis A. Angaridis
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece; (M.A.Tz.); (D.K.G.); (M.G.K.); (N.V.P.); (N.P.K.); (P.A.A.)
| | - Ioannis N. Lykakis
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece; (M.A.Tz.); (D.K.G.); (M.G.K.); (N.V.P.); (N.P.K.); (P.A.A.)
| | - Michael A. Terzidis
- Department of Nutritional Sciences and Dietetics, International Hellenic University, Sindos Campus, 57400 Thessaloniki, Greece
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Kallitsakis MG, Gioftsidou DK, Tzani MA, Angaridis PA, Terzidis MA, Lykakis IN. Selective C-H Allylic Oxygenation of Cycloalkenes and Terpenoids Photosensitized by [Cu(Xantphos)(neoc)]BF 4. J Org Chem 2021; 86:13503-13513. [PMID: 34435497 DOI: 10.1021/acs.joc.1c01591] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We present herein for the first time the use of the [Cu(Xantphos)(neoc)]BF4 as a photocatalyst for the selective C-H allylic oxygenation of cycloalkenes into the corresponding allylic hydroperoxides or alcohols in the presence of molecular oxygen. The proposed methodology affords the products at good yields and has also been applied successfully to several bioactive terpenoids, such as geraniol, linalool, β-citronellol, and phytol. A mechanistic study involving also kinetic isotope effects (KIEs) supports the proposed singlet oxygen-mediated reaction. On the basis of the high chemoselectivity and yields and the fast and clean reaction processes observed, the present catalytic system, [Cu(Xantphos)(neoc)]BF4, has also been applied to the synthesis, at a laboratory scale, of the cis-Rose oxide, a well-known perfumery ingredient used in rose and geranium perfumes.
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Affiliation(s)
- Michael G Kallitsakis
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
| | - Dimitra K Gioftsidou
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
| | - Marina A Tzani
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
| | - Panagiotis A Angaridis
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
| | - Michael A Terzidis
- Department of Nutritional Sciences and Dietetics, International Hellenic University, Sindos, 57400 Thessaloniki, Greece
| | - Ioannis N Lykakis
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
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Li S, Li XY, Zhang TJ, Zhu J, Liu KL, Wang DP, Meng FH. Novel 4,5-dihydrospiro[benzo[c]azepine-1,1'-cyclohexan]-3(2H)-one derivatives as PARP-1 inhibitors: Design, synthesis and biological evaluation. Bioorg Chem 2021; 111:104840. [PMID: 33780687 DOI: 10.1016/j.bioorg.2021.104840] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/21/2021] [Accepted: 03/17/2021] [Indexed: 11/19/2022]
Abstract
To further explore the research of novel PARP-1 inhibitors, we designed and synthesized a series of novel amide PARP-1 inhibitors based on our previous research. Most compounds displayed certain antitumor activities against four tumor cell lines (A549, HepG2, HCT-116, and MCF-7). Specifically, the candidate compound R8e possessed strong anti-proliferative potency toward A549 cells with the IC50 value of 2.01 μM. Compound R8e had low toxicity to lung cancer cell line. And the in vitro enzyme inhibitory activity of compound R8e was better than rucaparib. Molecular docking studies provided a rational binding model of compound R8e in complex with rucaparib. The following cell cycle and apoptosis assays revealed that compound R8e could arrest cell cycle in the S phase and induce cell apoptosis. Western blot analysis further showed that compound R8e could effectively inhibit the PAR's biosynthesis and was more effective than rucaparib. Overall, based on the biological activity evaluation, compound R8e could be a potential lead compound for further developing novel amide PARP-1 inhibitors.
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Affiliation(s)
- Shuai Li
- School of Pharmacy, China Medical University, 77 Puhe Road, North New Area, Shenyang 110122, China
| | - Xin-Yang Li
- School of Pharmacy, China Medical University, 77 Puhe Road, North New Area, Shenyang 110122, China
| | - Ting-Jian Zhang
- School of Pharmacy, China Medical University, 77 Puhe Road, North New Area, Shenyang 110122, China
| | - Ju Zhu
- School of Pharmacy, China Medical University, 77 Puhe Road, North New Area, Shenyang 110122, China
| | - Kai-Li Liu
- School of Pharmacy, China Medical University, 77 Puhe Road, North New Area, Shenyang 110122, China
| | - De-Pu Wang
- School of Pharmacy, China Medical University, 77 Puhe Road, North New Area, Shenyang 110122, China
| | - Fan-Hao Meng
- School of Pharmacy, China Medical University, 77 Puhe Road, North New Area, Shenyang 110122, China.
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Hosseini-Sarvari M, Akrami Z. Visible-light assisted of nano Ni/g-C3N4 with efficient photocatalytic activity and stability for selective aerobic C−H activation and epoxidation. J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2020.121549] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Duarte TA, Carvalho AP, Martins LM. Styrene oxidation catalyzed by copper(II) C-scorpionates in homogenous medium and immobilized on sucrose derived hydrochars. Catal Today 2020. [DOI: 10.1016/j.cattod.2019.04.044] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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9
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Kallitsakis MG, Ioannou DI, Terzidis MA, Kostakis GE, Lykakis IN. Selective Photoinduced Reduction of Nitroarenes to N-Arylhydroxylamines. Org Lett 2020; 22:4339-4343. [PMID: 32453579 DOI: 10.1021/acs.orglett.0c01367] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report the selective photoinduced reduction of nitroarenes to N-arylhydroxylamines. The present methodology facilitates this transformation in the absence of catalyst or additives and uses only light and methylhydrazine. This noncatalytic photoinduced transformation proceeds with a broad scope, excellent functional-group tolerance, and high yields. The potential of this protocol reflects on the selective and straightforward conversion of two general antibiotics, azomycin and chloramphenicol, to the bioactive hydroxylamine species.
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Affiliation(s)
- Michael G Kallitsakis
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, Thessaloniki 54124, Greece
| | - Dimitris I Ioannou
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, Thessaloniki 54124, Greece
| | - Michael A Terzidis
- Department of Nutritional Sciences & Dietetics, International Hellenic University, P.O. 141 Sindos, 57400 Thessaloniki, Greece
| | - George E Kostakis
- Department of Chemistry, School of Life Sciences, University of Sussex, Brighton BN1 9QJ, U.K
| | - Ioannis N Lykakis
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, Thessaloniki 54124, Greece
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Li S, Li XY, Zhang TJ, Zhu J, Xue WH, Qian XH, Meng FH. Design, synthesis and biological evaluation of erythrina derivatives bearing a 1,2,3-triazole moiety as PARP-1 inhibitors. Bioorg Chem 2020; 96:103575. [DOI: 10.1016/j.bioorg.2020.103575] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 01/07/2020] [Accepted: 01/08/2020] [Indexed: 12/15/2022]
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Design, synthesis and biological evaluation of homoerythrina alkaloid derivatives bearing a triazole moiety as PARP-1 inhibitors and as potential antitumor drugs. Bioorg Chem 2020; 94:103385. [DOI: 10.1016/j.bioorg.2019.103385] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 10/08/2019] [Accepted: 10/21/2019] [Indexed: 11/22/2022]
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12
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Mokary Yazdely T, Ghorbanloo M, Hosseini-Monfared H. An amphiphilic manganese porphyrin-paired ionic copolymer: a highly efficient biphasic transfer catalyst for the selective oxidation of olefins with O2 and TBHP. NEW J CHEM 2019. [DOI: 10.1039/c9nj02459j] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A novel amphiphilic manganese porphyrin-paired ionic copolymer, {ADA-INA-[Mn(TPPS)(OAc)]}n, was prepared by the self-assembly process of non-cross-linked amphiphilic polymeric ligands with inorganic species.
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Affiliation(s)
| | - Massomeh Ghorbanloo
- Department of Chemistry
- Faculty of Science
- University of Zanjan
- 45371-38791 Zanjan
- Iran
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