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Ye F, Zhao X, Shi Y, Hu Y, Ding Y, Lu C, Li Y, Wang H, Lu G, Shen Y. Deciphering the Timing of Naphthalenic Ring Formation in the Biosynthesis of 8-Deoxyrifamycins. Org Lett 2023; 25:6474-6478. [PMID: 37634191 DOI: 10.1021/acs.orglett.3c02039] [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: 08/29/2023]
Abstract
Although the biosynthesis of rifamycin has been studied for three decades, the biosynthetic formation of the naphthalenic ring remains unclear. In this study, by deletion of all post-PKS modification genes, we identified macrolactam precursors released from rif PKS. Isolated prorifamycins (M3 and M4) have a benzenic chromophore and exist in two sets of macrocyclic atropisomers. The transformation from prorifamycins to benzenoid (5) and naphthalenoid (6) was suggested to be a non-enzymatic process, which is an off-PKS assembly.
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Affiliation(s)
- Feng Ye
- Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Xia Zhao
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
| | - Yanrong Shi
- Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Yanlei Hu
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
| | - Yanjiao Ding
- Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Chunhua Lu
- Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Yaoyao Li
- Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Haoxin Wang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong 266237, China
| | - Gang Lu
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
| | - Yuemao Shen
- Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong 266237, China
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Bressin RK, Driscoll JL, Wang Y, Koide K. Scalable Preparation of Methylated Ando-Type Horner–Wadsworth–Emmons Reagent. Org Process Res Dev 2019. [DOI: 10.1021/acs.oprd.8b00423] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Robert K. Bressin
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
| | - Julia L. Driscoll
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
| | - Yanping Wang
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
| | - Kazunori Koide
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
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Feng J, Kasun ZA, Krische MJ. Enantioselective Alcohol C-H Functionalization for Polyketide Construction: Unlocking Redox-Economy and Site-Selectivity for Ideal Chemical Synthesis. J Am Chem Soc 2016; 138:5467-78. [PMID: 27113543 PMCID: PMC4871165 DOI: 10.1021/jacs.6b02019] [Citation(s) in RCA: 125] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The development and application of stereoselective and site-selective catalytic methods that directly convert lower alcohols to higher alcohols are described. These processes merge the characteristics of transfer hydrogenation and carbonyl addition, exploiting alcohols and π-unsaturated reactants as redox pairs, which upon hydrogen transfer generate transient carbonyl-organometal pairs en route to products of C-C coupling. Unlike classical carbonyl additions, stoichiometric organometallic reagents and discrete alcohol-to-carbonyl redox reactions are not required. Additionally, due to a kinetic preference for primary alcohol dehydrogenation, the site-selective modification of glycols and higher polyols is possible, streamlining or eliminating use of protecting groups. The total syntheses of several iconic type I polyketide natural products were undertaken using these methods. In each case, the target compounds were prepared in significantly fewer steps than previously achieved.
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Affiliation(s)
- Jiajie Feng
- University of Texas at Austin, Department of Chemistry, Austin, TX 78712, USA
| | - Zachary A. Kasun
- University of Texas at Austin, Department of Chemistry, Austin, TX 78712, USA
| | - Michael J. Krische
- University of Texas at Austin, Department of Chemistry, Austin, TX 78712, USA
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Wright PM, Seiple IB, Myers AG. The evolving role of chemical synthesis in antibacterial drug discovery. Angew Chem Int Ed Engl 2014; 53:8840-69. [PMID: 24990531 PMCID: PMC4536949 DOI: 10.1002/anie.201310843] [Citation(s) in RCA: 249] [Impact Index Per Article: 24.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2013] [Indexed: 01/13/2023]
Abstract
The discovery and implementation of antibiotics in the early twentieth century transformed human health and wellbeing. Chemical synthesis enabled the development of the first antibacterial substances, organoarsenicals and sulfa drugs, but these were soon outshone by a host of more powerful and vastly more complex antibiotics from nature: penicillin, streptomycin, tetracycline, and erythromycin, among others. These primary defences are now significantly less effective as an unavoidable consequence of rapid evolution of resistance within pathogenic bacteria, made worse by widespread misuse of antibiotics. For decades medicinal chemists replenished the arsenal of antibiotics by semisynthetic and to a lesser degree fully synthetic routes, but economic factors have led to a subsidence of this effort, which places society on the precipice of a disaster. We believe that the strategic application of modern chemical synthesis to antibacterial drug discovery must play a critical role if a crisis of global proportions is to be averted.
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Affiliation(s)
- Peter M. Wright
- Department of Chemistry and Chemical Biology, Harvard University Cambridge, MA 02138 (USA)
| | - Ian B. Seiple
- Department of Chemistry and Chemical Biology, Harvard University Cambridge, MA 02138 (USA)
| | - Andrew G. Myers
- Department of Chemistry and Chemical Biology, Harvard University Cambridge, MA 02138 (USA)
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Wright PM, Seiple IB, Myers AG. Zur Rolle der chemischen Synthese in der Entwicklung antibakterieller Wirkstoffe. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201310843] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Miyashita M, Yoshihara K, Kawamine K, Hoshino M, Irie H. Synthetic studies on polypropionate antibiotics based on the stereospecific methylation of γ δ-epoxy acrylates by trimethylaluminum. A highly stereoselective construction of the eight contiguous chiral centers of ansa-chains of rifamycins. Tetrahedron Lett 1993. [DOI: 10.1016/s0040-4039(00)73733-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Nakata M, Osumi T, Ueno A, Kimura T, Tamai T, Tatsuta K. The Total Synthesis of Herbimycin A. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 1992. [DOI: 10.1246/bcsj.65.2974] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Nakata M, Akiyama N, Kamata JI, Kojima K, Masuda H, Kinoshita M, Tatsuta K. The total synthesis of rifamycin W. Tetrahedron 1990. [DOI: 10.1016/s0040-4020(01)85586-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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