1
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Rowett AC, Sweeting SG, Heard DM, Lennox AJJ. A Stoichiometric Haloform Coupling for Ester Synthesis with Secondary Alcohols. Angew Chem Int Ed Engl 2024; 63:e202400570. [PMID: 38533790 DOI: 10.1002/anie.202400570] [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: 01/09/2024] [Revised: 03/21/2024] [Accepted: 03/22/2024] [Indexed: 03/28/2024]
Abstract
The haloform reaction from methyl ketones to carboxylic acids is one of the oldest known synthetic organic reactions, which has been used in myriad applications over the decades. The corresponding reaction to produce esters is, however, less developed, as the reaction is generally limited to simple, primary alcohols that are used in solvent-level quantities, thereby restricting the complexity of esters that can be directly formed. Herein, we detail the development of a general ester-forming haloform coupling reaction using one equivalent of alcohol. Mechanistic and kinetic modelling studies demonstrated that the key intermediates are formed under equilibrium, which facilitated the development of conditions that are amenable to secondary alcohols.
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Affiliation(s)
- Albert C Rowett
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK
| | - Stephen G Sweeting
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK
| | - David M Heard
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK
| | - Alastair J J Lennox
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK
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2
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Larghi EL, Bracca ABJ, Simonetti SO, Kaufman TS. Recent developments in the total synthesis of natural products using the Ugi multicomponent reactions as the key strategy. Org Biomol Chem 2024; 22:429-465. [PMID: 38126459 DOI: 10.1039/d3ob01837g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
The total syntheses of selected natural products using different versions of the Ugi multicomponent reaction is reviewed on a case-by-case basis. The revision covers the period 2008-2023 and includes detailed descriptions of the synthetic sequences, the use of state-of-the-art chemical reagents and strategies, as well as the advantages and limitations of the transformation and some remedial solutions. Relevant data on the isolation and bioactivity of the different natural targets are also briefly provided. The examples clearly evidence the strategic importance of this transformation and its key role in the modern natural products synthetic chemistry toolbox. This methodology proved to be a valuable means for easily building molecular complexity and efficiently delivering step-economic syntheses even of intricate structures, with a promising future.
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Affiliation(s)
- Enrique L Larghi
- Instituto de Química Rosario (IQUIR, CONICET-UNR) and Facultad de Ciencias Bioquímicas y Farmacéuticas - Universidad Nacional de Rosario, Suipacha 531 (2000), Rosario, Argentina.
| | - Andrea B J Bracca
- Instituto de Química Rosario (IQUIR, CONICET-UNR) and Facultad de Ciencias Bioquímicas y Farmacéuticas - Universidad Nacional de Rosario, Suipacha 531 (2000), Rosario, Argentina.
| | - Sebastián O Simonetti
- Instituto de Química Rosario (IQUIR, CONICET-UNR) and Facultad de Ciencias Bioquímicas y Farmacéuticas - Universidad Nacional de Rosario, Suipacha 531 (2000), Rosario, Argentina.
| | - Teodoro S Kaufman
- Instituto de Química Rosario (IQUIR, CONICET-UNR) and Facultad de Ciencias Bioquímicas y Farmacéuticas - Universidad Nacional de Rosario, Suipacha 531 (2000), Rosario, Argentina.
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3
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Komatani Y, Momosaki K, Katsuyama A, Yamamoto K, Kaguchi R, Ichikawa S. Solid-Phase Total Synthesis of Sandramycin and Its Analogues. Org Lett 2023; 25:543-548. [PMID: 36652724 DOI: 10.1021/acs.orglett.2c04327] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Solid-phase total synthesis of sandramycin (1), which is a C2-symmetric cyclic decadepsipeptide natural product, and its analogues is described. On-resin ester formation and [5+5] peptide coupling allowed the preparation of a range of desymmetrized analogues. An amino acid residue that would not hamper the biological activity of 1 was successfully identified, and probe molecules and dimeric analogues were prepared on the basis of the result of the structure-activity relationship study.
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Affiliation(s)
- Yuya Komatani
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Kyoka Momosaki
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Akira Katsuyama
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan.,Global Station for Biosurfaces and Drug Discovery, Global Institution for Collaborative Research and Education (GI-CoRE), Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Kazuki Yamamoto
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan.,Center for Research and Education on Drug Discovery, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Rintaro Kaguchi
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Satoshi Ichikawa
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan.,Global Station for Biosurfaces and Drug Discovery, Global Institution for Collaborative Research and Education (GI-CoRE), Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
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4
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Shi X, Huang L, Song K, Zhao G, Liu Y, Lv L, Du Y. Enzymatic Tailoring in Luzopeptin Biosynthesis Involves Cytochrome P450‐Mediated Carbon–Nitrogen Bond Desaturation for Hydrazone Formation. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105312] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Xinjie Shi
- Institute of Pharmaceutical Biotechnology and The First Affiliated Hospital Zhejiang University School of Medicine 310058 Hangzhou China
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases The First Affiliated Hospital Zhejiang University 310003 Hangzhou China
| | - Liming Huang
- Institute of Pharmaceutical Biotechnology and The First Affiliated Hospital Zhejiang University School of Medicine 310058 Hangzhou China
| | - Kaihui Song
- Institute of Pharmaceutical Biotechnology and The First Affiliated Hospital Zhejiang University School of Medicine 310058 Hangzhou China
| | - Guiyun Zhao
- Institute of Pharmaceutical Biotechnology and The First Affiliated Hospital Zhejiang University School of Medicine 310058 Hangzhou China
| | - Yu Liu
- College of Life Sciences Zhejiang University 310058 Hangzhou China
| | - Longxian Lv
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases The First Affiliated Hospital Zhejiang University 310003 Hangzhou China
| | - Yi‐Ling Du
- Institute of Pharmaceutical Biotechnology and The First Affiliated Hospital Zhejiang University School of Medicine 310058 Hangzhou China
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases The First Affiliated Hospital Zhejiang University 310003 Hangzhou China
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5
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Shi X, Huang L, Song K, Zhao G, Liu Y, Lv L, Du YL. Enzymatic Tailoring in Luzopeptin Biosynthesis Involves Cytochrome P450-Mediated Carbon-Nitrogen Bond Desaturation for Hydrazone Formation. Angew Chem Int Ed Engl 2021; 60:19821-19828. [PMID: 34180113 DOI: 10.1002/anie.202105312] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 06/04/2021] [Indexed: 01/15/2023]
Abstract
Luzopeptins and related decadepsipeptides are bisintercalator nonribosomal peptides featuring rare acyl-substituted tetrahydropyridazine-3-carboxylic acid (Thp) subunits that are critical to their biological activities. Herein, we reconstitute the biosynthetic tailoring pathway in luzopeptin A biosynthesis through in vivo genetic and in vitro biochemical approaches. Significantly, we revealed a multitasking cytochrome P450 enzyme that catalyzes four consecutive oxidations including the highly unusual carbon-nitrogen bond desaturation, forming the hydrazone-bearing 4-OH-Thp residues. Moreover, we identified a membrane-bound acyltransferase that likely mediates the subsequent O-acetylation extracellularly, as a potential self-protective strategy for the producer strain. Further genome mining of novel decadepsipeptides and an associated P450 enzyme have provided mechanistic insights into the P450-mediated carbon-nitrogen bond desaturation. Our results not only reveal the molecular basis of pharmacophore formation in bisintercalator decadepsipeptides, but also expand the catalytic versatility of P450 family enzymes.
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Affiliation(s)
- Xinjie Shi
- Institute of Pharmaceutical Biotechnology and The First Affiliated Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, China.,State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University, 310003, Hangzhou, China
| | - Liming Huang
- Institute of Pharmaceutical Biotechnology and The First Affiliated Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, China
| | - Kaihui Song
- Institute of Pharmaceutical Biotechnology and The First Affiliated Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, China
| | - Guiyun Zhao
- Institute of Pharmaceutical Biotechnology and The First Affiliated Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, China
| | - Yu Liu
- College of Life Sciences, Zhejiang University, 310058, Hangzhou, China
| | - Longxian Lv
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University, 310003, Hangzhou, China
| | - Yi-Ling Du
- Institute of Pharmaceutical Biotechnology and The First Affiliated Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, China.,State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University, 310003, Hangzhou, China
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6
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Chen YM, Chen K. Three-Component Triple Organocascade Synthesis of Hexahydropyridazine Derivatives via a Sequential Michael/Amination/Cyclization Reaction. J CHIN CHEM SOC-TAIP 2015. [DOI: 10.1002/jccs.201500227] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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7
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Handy EL, Totaro KA, Lin CP, Sello JK. Efficient and regiospecific syntheses of peptides with piperazic and dehydropiperazic acids via a multicomponent reaction. Org Lett 2014; 16:3488-91. [PMID: 24937740 DOI: 10.1021/ol501425b] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Peptides containing N2-acyl piperazic or 1,6-dehydropiperazic acids can be formed efficiently via a novel multicomponent reaction of 1,4,5,6-tetrahydropyridazines, isocyanides, and carboxylic acids. Remarkably, the reaction's induced intramolecularity can enable the regiospecific formation of products with N2-acyl piperazic acid, which counters the intrinsic and troublesome propensity for piperazic acids to react at N1 in acylations. The utility of the methodology is demonstrated in the synthesis of the bicyclic core of the interleukin-1β converting enzyme inhibitor, Pralnacasan.
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Affiliation(s)
- Emma L Handy
- Department of Chemistry, Brown University , 324 Brook Street, Providence, Rhode Island 02912, United States
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8
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Katayama K, Okamura T, Sunadome T, Nakagawa K, Takeda H, Shiro M, Matsuda A, Ichikawa S. Synthesis and Biological Evaluation of Quinaldopeptin. J Org Chem 2014; 79:2580-90. [DOI: 10.1021/jo500039d] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Katsushi Katayama
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Takuya Okamura
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Takuya Sunadome
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Koji Nakagawa
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Hiroshi Takeda
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Motoo Shiro
- Rigaku Corporation, 3-9-12 Matsubara, Akishima, Tokyo 196-0003, Japan
| | - Akira Matsuda
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
| | - Satoshi Ichikawa
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
- Center for Research and Education on Drug Discovery, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
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9
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Katayama K, Nakagawa K, Takeda H, Matsuda A, Ichikawa S. Total synthesis of sandramycin and its analogues via a multicomponent assemblage. Org Lett 2013; 16:428-31. [PMID: 24341513 DOI: 10.1021/ol403319m] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The total synthesis of sandramycin has been accomplished by using a Staudinger/aza-Wittig/diastereoselective Ugi three-component reaction sequence as a key step to obtain a linear pentadepsipeptide. Subsequent [5 + 5] coupling of the penptapeptide, macrolactamization, and introduction of the quinaldin chromophores afforded sandramycin. Dihydroxy and diacetoxy analogues were also prepared, and the cytotoxic activity of these analogues against a range of human cancer cell lines was evaluated.
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Affiliation(s)
- Katsushi Katayama
- Faculty of Pharmaceutical Sciences, Hokkaido University , Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
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10
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Ichikawa S, Okamura T, Matsuda A. Total synthesis of quinaldopeptin and its analogues. J Org Chem 2013; 78:12662-70. [PMID: 24236405 DOI: 10.1021/jo402267r] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The first total synthesis of quinaldopeptin (1) was accomplished. Our approach to the synthesis of 1 includes the solid-phase peptide synthesis of the linear decapeptide 4 followed by macrocyclization and introduction of the quinoline chromophores 2 at a late stage of the synthesis. As for the preparation of 4, a fragment coupling approach was applied considering the C2 symmetrical structure of 1. Chromophore analogues 22 and 23 and desmethyl analogue 27 were also prepared in a manner similar to the synthesis of 1. Synthetic 1 exhibits a strong cytotoxicity with the IC50 value of 3.2 nM. On the other hand, the activity of 23 and 27 was largely reduced.
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Affiliation(s)
- Satoshi Ichikawa
- Faculty of Pharmaceutical Sciences, Hokkaido University , Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan
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11
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Oelke AJ, Antonietti F, Bertone L, Cranwell PB, France DJ, Goss RJM, Hofmann T, Knauer S, Moss SJ, Skelton PC, Turner RM, Wuitschik G, Ley SV. Total Synthesis of Chloptosin: A Dimeric Cyclohexapeptide. Chemistry 2011; 17:4183-94. [DOI: 10.1002/chem.201003216] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2010] [Indexed: 11/06/2022]
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12
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Oelke AJ, France DJ, Hofmann T, Wuitschik G, Ley SV. Piperazic acid-containing natural products: Isolation, biological relevance and total synthesis. Nat Prod Rep 2011; 28:1445-71. [DOI: 10.1039/c1np00041a] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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13
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14
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Chen B, Dai L, Zhang H, Tan W, Xu Z, Ye T. Towards the stereochemical assignment of natural lydiamycin A. Chem Commun (Camb) 2010; 46:574-6. [PMID: 20062866 DOI: 10.1039/b922544g] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/23/2024]
Abstract
A convergent approach leading to the stereoselective synthesis of four diastereomers of lydiamycin A has been established and verified.
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Affiliation(s)
- Bo Chen
- Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, University Town of Shenzhen, Xili, Nanshan District, 518055, Shenzhen, China
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Dawson S, Malkinson JP, Paumier D, Searcey M. Bisintercalator natural products with potential therapeutic applications: isolation, structure determination, synthetic and biological studies. Nat Prod Rep 2007; 24:109-26. [PMID: 17268609 DOI: 10.1039/b516347c] [Citation(s) in RCA: 80] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Echinomycin is the prototypical bisintercalator, a molecule that binds to DNA by inserting two planar chromophores between the base-pairs of duplex DNA, placing its cyclic depsipeptide backbone in the minor groove. As such, it has been the focus of an extensive number of investigations into its biological activity, nucleic acid binding and, to some extent, its structure-activity relationships. However, echinomycin is also the parent member of an extended family of natural products that interact with DNA by a similar mechanism of bisintercalation. The structural variety in these compounds leads to changes in sequence selectivity and and biological activity, particularly as anti-tumour and anti-viral agents. One of the more recently identified marine natural products that is moving close to clinical development is thiocoraline, and it therefore seems timely to review the various bisintercalator natural products.
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Affiliation(s)
- Simon Dawson
- Department of Pharmaceutical and Biological Chemistry, School of Pharmacy, University of London, 29-39 Brunswick Square, London, WC1N 1AX, UK
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16
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Ciufolini MA, Canesi S, Ousmer M, Braun NA. Synthetic ventures inspired by biosynthetic hypotheses: the evolution of a method for the oxidative amidation of phenols. Tetrahedron 2006. [DOI: 10.1016/j.tet.2006.01.111] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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17
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Chapter 1 The total synthesis of luzopeptins. ACTA ACUST UNITED AC 2005. [DOI: 10.1016/s1874-6004(05)80024-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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18
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Naumov RN, Karasik AA, Sinyashin OG, Lönnecke P, Hey-Hawkins E. Unexpected formation of a novel macrocyclic tetraphosphine: (RSSR)-1,9-dibenzyl-3,7,11,15-tetramesityl-1,9-diaza-3,7,11,15-tetraphosphacyclohexadecane. Dalton Trans 2004:357-8. [PMID: 15252537 DOI: 10.1039/b313487c] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The title compound was synthesised in moderate yield via stereoselective self-assembly of two bisphosphine, four formaldehyde and two primary amine molecules.
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Affiliation(s)
- Roman N Naumov
- A. E. Arbuzov Institute of Organic and Physical Chemistry, Russian Academy of Sciences, Kazan Scientific Center, Arbuzov str. 8, Kazan, Russian Federation, 420088
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19
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Abstract
Constricting the peptide backbone into a more defined conformational form through cyclization is an activity evolved in nature and in synthetic work, the latter straddling only the most recent decades. The resulting conformational constraints increase the probability of an optimum response with bio-receptors. The purpose of this review is to highlight developments that have proved to be reasonably efficient in the macrocyclization of linear precursors into cyclic peptides and depsipeptides.
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Affiliation(s)
- John S Davies
- Department of Chemistry, University of Wales, Swansea, Singleton Park, Swansea SA2 8PP, UK.
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