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Kim B, Puthukanoori RK, Martha B, Reddy Muthyala N, Thota S, Thummala V, Rao Paraselli B, Chen DYK. Stereo-Controlled Synthesis of Vicinal Tertiary Carbinols: Application in the Synthesis of a Diol Substructure of Zaragozic Acid, Pactamycin and Ryanodol. Chemistry 2023; 29:e202301938. [PMID: 37395682 DOI: 10.1002/chem.202301938] [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: 06/19/2023] [Revised: 06/30/2023] [Accepted: 07/03/2023] [Indexed: 07/04/2023]
Abstract
A novel and flexible approach for the stereo-controlled synthesis of vicinal tertiary carbinols is reported. The developed strategy featured a highly diastereoselective singlet-oxygen (O2 1 ) [4+2] cycloaddition of rationally designed cyclohexadienones (derived from oxidative dearomatization of the corresponding carboxylic-acid appended phenol precursors), followed by programmed "O-O" and "C-C" bond cleavage. In doing so, a highly functionalized and versatile intermediate was identified and prepared in synthetically useful quantity as a plausible precursor to access a variety of designed and naturally occurring vicinal tertiary carbinol containing compounds. Most notably, the developed strategy was successfully applied in the stereo-controlled synthesis of advanced core structures of zaragozic acid, pactamycin and ryanodol.
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Affiliation(s)
- Byungjoo Kim
- Department of Chemistry, Seoul National University, Gwanak-1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
| | | | | | | | - Srinivas Thota
- Chemveda Life Sciences, Pvt. Ltd., Hyderabad, Telangana, 500039, India
| | | | | | - David Y-K Chen
- Department of Chemistry, Seoul National University, Gwanak-1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
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2
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Shennan BDA, Berheci D, Crompton JL, Davidson TA, Field JL, Williams BA, Dixon DJ. Branching out: redox strategies towards the synthesis of acyclic α-tertiary ethers. Chem Soc Rev 2022; 51:5878-5929. [PMID: 35770619 DOI: 10.1039/d1cs00669j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Acyclic α-tertiary ethers represent a highly prevalent functionality, common to high-value bioactive molecules, such as pharmaceuticals and natural products, and feature as crucial synthetic handles in their construction. As such their synthesis has become an ever-more important goal in synthetic chemistry as the drawbacks of traditional strong base- and acid-mediated etherifications have become more limiting. In recent years, the generation of highly reactive intermediates via redox approaches has facilitated the synthesis of highly sterically-encumbered ethers and accordingly these strategies have been widely applied in α-tertiary ether synthesis. This review summarises and appraises the state-of-the-art in the application of redox strategies enabling acyclic α-tertiary ether synthesis.
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Affiliation(s)
- Benjamin D A Shennan
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, 12 Mansfield Road, Oxford, OX1 3TA, UK.
| | - Diana Berheci
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, 12 Mansfield Road, Oxford, OX1 3TA, UK.
| | - Jessica L Crompton
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, 12 Mansfield Road, Oxford, OX1 3TA, UK.
| | - Timothy A Davidson
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, 12 Mansfield Road, Oxford, OX1 3TA, UK.
| | - Joshua L Field
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, 12 Mansfield Road, Oxford, OX1 3TA, UK.
| | - Benedict A Williams
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, 12 Mansfield Road, Oxford, OX1 3TA, UK.
| | - Darren J Dixon
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, 12 Mansfield Road, Oxford, OX1 3TA, UK.
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3
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Zhang H, Wirth T. Oxidation of BINOLs by Hypervalent Iodine Reagents: Facile Synthesis of Xanthenes and Lactones. Chemistry 2022; 28:e202200181. [PMID: 35225370 PMCID: PMC9311707 DOI: 10.1002/chem.202200181] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Indexed: 12/13/2022]
Abstract
Xanthene derivatives have broad applications in medicines, fluorescent probes, dyes, food additives, etc. Therefore, much attention was focused on developing the synthetic methods to prepare these compounds. Binaphthyl‐based xanthene derivatives were prepared through the oxidation of BINOLs promoted by the hypervalent iodine reagent iodosylbenzene (PhIO). Nine‐membered lactones were obtained through a similar oxidative reaction when iodoxybenzene (PhIO2) was used. Additionally, one‐pot reactions of BINOLs, PhIO and nucleophiles such as alcohols and amines were also investigated to provide alkoxylated products and amides in good to excellent yields.
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Affiliation(s)
- Huaiyuan Zhang
- School of Chemistry, Cardiff University, Park Place, Main Building, Cardiff, CF10 3AT, UK.,Lanzhou Petrochemical University of Vocational Technology, Lanzhou, 730060, P. R. China
| | - Thomas Wirth
- School of Chemistry, Cardiff University, Park Place, Main Building, Cardiff, CF10 3AT, UK
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Zhang C, Li J, Wang X, Shen X, Zhu D, Shen R. Metal-Free Synthetic Shortcut to Octahydro-Dipyrroloquinoline Skeletons from 2,5-Cyclohexadienone Derivatives and l-Proline. J Org Chem 2021; 86:10397-10406. [PMID: 34283586 DOI: 10.1021/acs.joc.1c01083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The tandem decarboxylative condensation-dimerization reaction of l-proline with 2,5-cyclohexadienones including p-quinone monoacetals, p-quinol ethers, and p-quinols is reported to provide a concise and rapid synthesis of octahydro-dipyrroloquinoline compounds. The reaction features the use of cost-effective and readily available starting materials, high efficiency, metal-free and green reaction conditions. The reaction is applied to the synthesis of incargranine B aglycone. The discovery of this reaction may suggest a biosynthetic pathway from 2,5-cyclohexadienones and proline for natural ingredients containing pyrroloquinoline moieties.
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Affiliation(s)
- Can Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Jianbin Li
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Xin Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Xuan Shen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Dunru Zhu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Ruwei Shen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
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5
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Wang X, Zhang C, Shen R, Han LB. Three-Component Reactions of α-Amino Acids, p-Quinone Monoacetals, and Diarylphosphine Oxides to Selectively Afford 3-(Diarylphosphinyl)anilides and N-Aryl-2-diarylphosphinylpyrrolidines. J Org Chem 2020; 85:14753-14762. [PMID: 32223168 DOI: 10.1021/acs.joc.9b03426] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The three-component reactions of α-amino acids, p-quinone monoacetals (or p-quinol ethers), and diarylphosphine oxides have been developed for the synthesis of 3-(diarylphosphinyl) anilides and N-aryl-2-diarylphosphinylpyrrolidines. The transformations may involve the in situ generation of conjugated azomethine ylides or 2-azaallyl anion species from the reaction of α-amino acids and p-quinone monoacetals, which are further trapped by diarylphosphine oxides.
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Affiliation(s)
- Xin Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Can Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Ruwei Shen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Li-Biao Han
- National Institute of Advanced Industrial Science & Technology (AIST), Tsukuba, Ibaraki 305-8565, Japan
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Deng Q, Xia W, Hussain MI, Zhang X, Hu W, Xiong Y. Synthesis of Polycyclic Cyclohexadienone through Alkoxy-Oxylactonization and Dearomatization of 3'-Hydroxy-[1,1'-biphenyl]-2-carboxylic Acids Promoted by Hypervalent Iodine. J Org Chem 2020; 85:3125-3133. [PMID: 31942790 DOI: 10.1021/acs.joc.9b03012] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Alkox-oxylactonization and dearomatization of 3'-hydroxy-[1,1'-biphenyl]-2-carboxylic acid simultaneously promoted by hypervalent iodine have been developed using stoichiometric PhI(OAc)2 or a catalytic amount of chiral aryl-λ3-iodane generated in situ. This reaction provides a concise method to synthesize diverse polycyclic cyclohexadienones as potential inhibitors of DNA polymerase under mild reaction conditions.
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Affiliation(s)
- Qingfu Deng
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, China
| | - Wen Xia
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, China
| | | | - Xiaohui Zhang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, China
| | - Wen Hu
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, China
| | - Yan Xiong
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, China.,State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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Zhang G, Wang Y, Xu J, Sun J, Sun F, Zhang Y, Zhang C, Du Y. A new hypervalent iodine(iii/v) oxidant and its application to the synthesis of 2 H-azirines. Chem Sci 2019; 11:947-953. [PMID: 34084348 PMCID: PMC8145639 DOI: 10.1039/c9sc05536c] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Accepted: 12/05/2019] [Indexed: 12/25/2022] Open
Abstract
The reaction of o-nitroiodobenzene and mCPBA in acetic acid was found to afford a novel hypervalent iodine compound, in the structure of which both iodine(iii) and iodine(v) moieties coexist. The nitro groups at the ortho phenyl positions were found to be crucial in stabilizing this uncommon structure. This novel hypervalent iodine(iii/v) oxidant is proved to be effective in realizing the synthesis of 2-unsubstitued 2H-azirines via intramolecular oxidative azirination, which could not be efficiently achieved by the existing known hypervalent iodine reagents.
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Affiliation(s)
- Guangtao Zhang
- School of Pharmaceutical Science and Technology, Tianjin University Tianjin 300072 China
| | - Yuanxun Wang
- School of Pharmaceutical Science and Technology, Tianjin University Tianjin 300072 China
| | - Jun Xu
- School of Pharmaceutical Science and Technology, Tianjin University Tianjin 300072 China
| | - Jiyun Sun
- School of Pharmaceutical Science and Technology, Tianjin University Tianjin 300072 China
| | - Fengxia Sun
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology Shijiazhuang 050018 China
| | - Yilin Zhang
- C. Eugene Bennett Department of Chemistry, West Virginia University Morgantown West Virginia 26506-6045 USA
| | - Chenglin Zhang
- School of Pharmaceutical Science and Technology, Tianjin University Tianjin 300072 China
| | - Yunfei Du
- School of Pharmaceutical Science and Technology, Tianjin University Tianjin 300072 China
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Taneja N, Peddinti RK. Catalyst-Free Sulfonylation of 2-Methoxyphenols: Facile One-Pot Synthesis of (Arylsulfonyl)catechols in Aqueous Media. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701038] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Neha Taneja
- Department of Chemistry; Indian Institute of Technology, Roorkee; 247667 Roorkee Uttarakhand India
| | - Rama Krishna Peddinti
- Department of Chemistry; Indian Institute of Technology, Roorkee; 247667 Roorkee Uttarakhand India
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9
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Singh P, Singh UP, Peddinti RK. PTSA–catalyzed functionalization of hydroquinones with benzhydryl alcohols in water. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.06.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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10
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Harry NA, Saranya S, Krishnan KK, Anilkumar G. Recent Advances in the Chemistry of Masked Ortho
-Benzoquinones and Their Applications in Organic Synthesis. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201700168] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Nissy Ann Harry
- School of Chemical Sciences; Mahatma Gandhi University; Priyadarsini Hills P.O. Kottayam Kerala 686560 India
| | - Salim Saranya
- School of Chemical Sciences; Mahatma Gandhi University; Priyadarsini Hills P.O. Kottayam Kerala 686560 India
| | - K. Keerthi Krishnan
- School of Chemical Sciences; Mahatma Gandhi University; Priyadarsini Hills P.O. Kottayam Kerala 686560 India
| | - Gopinathan Anilkumar
- School of Chemical Sciences; Mahatma Gandhi University; Priyadarsini Hills P.O. Kottayam Kerala 686560 India
- Advanced Molecular Materials Research Centre (AMMRC); Mahatma Gandhi University; Priyadarsini Hills P.O. Kottayam Kerala 686560 India
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