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Sousa JRL, Franco MS, Mendes LD, Araújo LA, Neto JSS, Frizon TEA, Dos Santos VB, Carasek E, Saba S, Rafique J, Braga AL. KIO 3-catalyzed selective oxidation of thiols to disulfides in water under ambient conditions. Org Biomol Chem 2024; 22:2175-2181. [PMID: 38259235 DOI: 10.1039/d3ob01913f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Herein, we report a KIO3-catalyzed oxidative coupling of thiols to their corresponding disulfides in water, in a short time and at ambient temperature. The reaction has a broad scope and exhibits good functional group tolerance, resulting in the desired products in excellent yields. This approach allows the reuse of the reaction system in multiple cycles and scale-up. Furthermore, the current protocol demonstrates compatibility for in situ generation of disulfides and post application in C(sp2)-H bond sulfenylation.
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Affiliation(s)
- José R L Sousa
- LabSelen, Departamento de Química, Universidade Federal de Santa Catarina - UFSC, Florianópolis, 88040-900, SC, Brazil.
| | - Marcelo S Franco
- LabSelen, Departamento de Química, Universidade Federal de Santa Catarina - UFSC, Florianópolis, 88040-900, SC, Brazil.
| | - Leila D Mendes
- LabSelen, Departamento de Química, Universidade Federal de Santa Catarina - UFSC, Florianópolis, 88040-900, SC, Brazil.
| | - Lucas A Araújo
- LabSO, Instituto de Química - IQ, Universidade Federal de Goiás - UFG, Goiânia 74690-900, GO, Brazil.
| | - José S S Neto
- LabSelen, Departamento de Química, Universidade Federal de Santa Catarina - UFSC, Florianópolis, 88040-900, SC, Brazil.
| | - Tiago E A Frizon
- Departamento de Energia e Sustentabilidade, Universidade Federal de Santa Catarina - UFSC, Campus Araranguá, Araranguá 88905-120, SC, Brazil
| | - Vanessa B Dos Santos
- Instituto de Química - INQUI, Universidade Federal do Mato Grosso do Sul - UFMS, Campo Grande, 79074-460, MS, Brazil.
| | - Eduardo Carasek
- LabSelen, Departamento de Química, Universidade Federal de Santa Catarina - UFSC, Florianópolis, 88040-900, SC, Brazil.
| | - Sumbal Saba
- Departamento de Energia e Sustentabilidade, Universidade Federal de Santa Catarina - UFSC, Campus Araranguá, Araranguá 88905-120, SC, Brazil
| | - Jamal Rafique
- Departamento de Energia e Sustentabilidade, Universidade Federal de Santa Catarina - UFSC, Campus Araranguá, Araranguá 88905-120, SC, Brazil
- Instituto de Química - INQUI, Universidade Federal do Mato Grosso do Sul - UFMS, Campo Grande, 79074-460, MS, Brazil.
| | - Antonio L Braga
- LabSelen, Departamento de Química, Universidade Federal de Santa Catarina - UFSC, Florianópolis, 88040-900, SC, Brazil.
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Yan LH, Li X, Wang BG. Natural products with 1,2-oxazine scaffold: occurrence, chemical diversity, bioactivity, synthesis, and biosynthesis. Nat Prod Rep 2023; 40:1874-1900. [PMID: 37642299 DOI: 10.1039/d3np00023k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Covering: up to the end of July, 20231,2-Oxazine is a heterocyclic scaffold rarely found in natural products and is characterized by a directly connected N-O bond in a six-membered ring. Since the discovery of geneserine, the first 1,2-oxazine-containing natural product (1,2-oxazine NP) being isolated from Calabar bean (Physostigma venenosum) in 1925, a total of 76 naturally occurring 1,2-oxazine NPs have been isolated and identified from various sources, which have attracted the attention of researchers in the field of natural product chemistry, organic synthesis, biosynthesis, and pharmacology. This review summarizes the chemical family of 1,2-oxazine NPs, focusing on their source organisms, structural diversities, chemical synthesis, and biosynthesis.
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Affiliation(s)
- Li-Hong Yan
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Nanhai Road 7, Qingdao 266071, China.
- Laboratory of Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Wenhai Road 1, Qingdao 266237, China
- University of Chinese Academy of Sciences, Yuquan Road 19A, Beijing 100049, China
| | - Xin Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Nanhai Road 7, Qingdao 266071, China.
- Laboratory of Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Wenhai Road 1, Qingdao 266237, China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, Nanhai Road 7, Qingdao 266071, China
| | - Bin-Gui Wang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Nanhai Road 7, Qingdao 266071, China.
- Laboratory of Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Wenhai Road 1, Qingdao 266237, China
- University of Chinese Academy of Sciences, Yuquan Road 19A, Beijing 100049, China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, Nanhai Road 7, Qingdao 266071, China
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3
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Jackson AC, Olsen JT, Sundstrom S, Lambert KM, Wood JL. A ring expansion approach to N-oxy-2,5-diketopiperazines. Tetrahedron Lett 2022; 99. [DOI: 10.1016/j.tetlet.2022.153851] [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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Shevkar C, Pradhan P, Armarkar A, Pandey K, Kalia K, Paranagama P, Kate AS. Exploration of Potent Cytotoxic Molecules from Fungi in Recent Past to Discover Plausible Anticancer Scaffolds. Chem Biodivers 2022; 19:e202100976. [PMID: 35315213 DOI: 10.1002/cbdv.202100976] [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: 12/07/2021] [Accepted: 03/03/2022] [Indexed: 11/10/2022]
Abstract
Fungi are known to produce diverse scaffolds possessing unique biological activities, however, to date, no molecule discovered from a fungal source has reached the market as an anti-cancer drug. Every year number of cytotoxic molecules of fungal origin are getting published and critical analysis of those compounds is necessary to identify the potent ones. A review mentioning the best cytotoxic fungal metabolites and their status in the drug development was published in 2014. In this report, we have included 176 cytotoxic molecules isolated from fungi after 2014 and categorized them according to their potencies such as IC50 values below 1 μM, 1-5 μM, and 5-10 μM. The emphasis was given to those 42 molecules which have shown IC50 less than 1 μM and discussed to a great extent. This review shall provide potent scaffolds of fungal origin which can be given priority in the development as a drug candidate for cancer therapeutics.
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Affiliation(s)
- Chaitrali Shevkar
- Department of Natural Products, National Institute of Pharmaceutical Education and Research, Ahmedabad, Gujarat, 382355, India
| | - Pranali Pradhan
- Department of Natural Products, National Institute of Pharmaceutical Education and Research, Ahmedabad, Gujarat, 382355, India
| | - Ashwini Armarkar
- Department of Natural Products, National Institute of Pharmaceutical Education and Research, Ahmedabad, Gujarat, 382355, India
| | - Komal Pandey
- Department of Natural Products, National Institute of Pharmaceutical Education and Research, Ahmedabad, Gujarat, 382355, India
| | - Kiran Kalia
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research, Ahmedabad, Gujarat, 382355, India
| | - Priyani Paranagama
- Department of Chemistry, University of Kelaniya, Dalugama, Kelaniya, 11600, Sri Lanka
| | - Abhijeet S Kate
- Department of Natural Products, National Institute of Pharmaceutical Education and Research, Ahmedabad, Gujarat, 382355, India
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5
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Kim SW, Hume PA, Sperry J. Bioinspired Synthesis of the Furopyrazine Alkaloid Hyrtioseragamine A. J Org Chem 2021; 86:4779-4785. [PMID: 33686852 DOI: 10.1021/acs.joc.1c00174] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A biosynthetic hypothesis proposed herein was used to guide the total synthesis of the marine-derived alkaloid hyrtioseragamine A. In the key biomimetic step, an enedione underwent acid-mediated isomerization-cyclodehydration to form the rare furopyrazine core of the natural product. The spectroscopic data for the synthetic sample is in full agreement with that described in the isolation report.
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Affiliation(s)
- Shi-Wei Kim
- School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand
| | - Paul A Hume
- School of Chemical and Physical Sciences, Victoria University of Wellington, and MacDiarmid Institute for Advanced Materials and Nanotechnology, Wellington 6010, New Zealand
| | - Jonathan Sperry
- School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand
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Chada RR, Kajare RC, Bhandari MC, Mohammed SZ, Khatravath M, Warudikar K, Punna N. Facile access to [1,2]-oxazine derivatives via annulations of aminoxy-tethered 1,7-enynes. Org Biomol Chem 2021; 19:809-821. [PMID: 33403372 DOI: 10.1039/d0ob02279a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient approach for the highly diastereoselective construction of functionalized cyclopenta[d][1,2]oxazines via sequential oxyamination and Pauson-Khand reaction of readily accessible propargylic alcohols has been developed. Furthermore, the ring closing metathesis of these N-O linked 1,7-enynes afforded vinylated-[1,2]oxazines in good yields. The reduction of the N-O bond of the obtained cyclopenta[d][1,2]oxazine is accomplished to access cyclopentenone-based amino alcohols.
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Affiliation(s)
- Raji Reddy Chada
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Roshan Chandrakant Kajare
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Mayur C Bhandari
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Siddique Z Mohammed
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Mahender Khatravath
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India.
| | - Kamalkishor Warudikar
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Nagender Punna
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
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7
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Dana S, Giri CK, Baidya M. Ruthenium(II)-catalyzed amide directed spiroannulation with naphthoquinones: access to spiro-isoindolinone frameworks. Chem Commun (Camb) 2020; 56:13048-13051. [PMID: 33001082 DOI: 10.1039/d0cc05438k] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A mild ruthenium(ii)-catalyzed spiroannulation between benzamides and naphthoquinones is developed for the succinct synthesis of biologically relevant spiro-isoindolinone scaffolds. A base promoted transannulation of spirocyclic products en route to valuable benzo[b]phenanthridinetriones in good yields has also been accomplished.
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Affiliation(s)
- Suman Dana
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, Tamil Nadu, India.
| | - Chandan Kumar Giri
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, Tamil Nadu, India.
| | - Mahiuddin Baidya
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, Tamil Nadu, India.
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Kimishima A, Saito H, Yamaguchi A, Arai M. A stereoselective construction of a cis-1,2-oxazadecaline skeleton using a substrate-controlled intramolecular oxy-Michael addition of tyrosine-derived hydroxylamines. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2019.151412] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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