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Vaz B, Martínez C, Cruz F, Denis JG, de Lera ÁR, Aurrecoechea JM, Álvarez R. Palladium-Catalyzed Aminocyclization-Coupling Cascades: Preparation of Dehydrotryptophan Derivatives and Computational Study. J Org Chem 2021; 86:8766-8785. [PMID: 34125552 PMCID: PMC8929666 DOI: 10.1021/acs.joc.1c00636] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
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Dehydrotryptophan
derivatives have been prepared by palladium-catalyzed
aminocyclization-Heck-type coupling cascades starting from o-alkynylaniline derivatives and methyl α-aminoacrylate.
Aryl, alkyl (primary, secondary, and tertiary), and alkenyl substituents
have been introduced at the indole C-2 position. Further variations
at the indole benzene ring, as well as the C-2-unsubstituted case,
have all been demonstrated. In the case of C-2 aryl substitution,
the preparation of the o-alkynylaniline substrate
by Sonogashira coupling and the subsequent cyclization–coupling
cascade have been performed in a one-pot protocol with a single catalyst.
DFT calculations have revealed significant differences in the reaction
profiles of these reactions relative to those involving methyl acrylate
or methacrylate, and between the reactions of the free anilines and
their corresponding carbamates. Those calculations suggest that the
nature of the alkene and of the acid HX released in the HX/alkene
exchange step that precedes C–C bond formation could be responsible
for the experimentally observed differences in reaction efficiencies.
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Affiliation(s)
- Belén Vaz
- Departamento de Química Orgánica, Facultad de Química (CINBIO) and Instituto de Investigación Biomédica de Vigo (IBIV), Universidade de Vigo, Lagoas-Marcosende, 36310 Vigo, Spain
| | - Claudio Martínez
- Departamento de Química Orgánica, Facultad de Química (CINBIO) and Instituto de Investigación Biomédica de Vigo (IBIV), Universidade de Vigo, Lagoas-Marcosende, 36310 Vigo, Spain
| | - Francisco Cruz
- Departamento de Química Orgánica, Facultad de Química (CINBIO) and Instituto de Investigación Biomédica de Vigo (IBIV), Universidade de Vigo, Lagoas-Marcosende, 36310 Vigo, Spain
| | - J Gabriel Denis
- Departamento de Química Orgánica, Facultad de Química (CINBIO) and Instituto de Investigación Biomédica de Vigo (IBIV), Universidade de Vigo, Lagoas-Marcosende, 36310 Vigo, Spain
| | - Ángel R de Lera
- Departamento de Química Orgánica, Facultad de Química (CINBIO) and Instituto de Investigación Biomédica de Vigo (IBIV), Universidade de Vigo, Lagoas-Marcosende, 36310 Vigo, Spain
| | - José M Aurrecoechea
- Departamento de Química Orgánica e Inorgánica, Facultad de Ciencia y Tecnología, Universidad del País Vasco UPV/EHU, Apartado 644, 48080 Bilbao, Spain
| | - Rosana Álvarez
- Departamento de Química Orgánica, Facultad de Química (CINBIO) and Instituto de Investigación Biomédica de Vigo (IBIV), Universidade de Vigo, Lagoas-Marcosende, 36310 Vigo, Spain
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Ng-Choi I, Figueras E, Oliveras À, Feliu L, Planas M. Solid-Phase Synthesis of Biaryl Cyclic Lipopeptides Derived from Arylomycins. ACS OMEGA 2020; 5:23401-23412. [PMID: 32954193 PMCID: PMC7496001 DOI: 10.1021/acsomega.0c03352] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 08/12/2020] [Indexed: 06/11/2023]
Abstract
An efficient approach for the solid-phase synthesis of N-methylated tailed biaryl cyclic lipopeptides based on the structure of arylomycins was established. Each of these analogues incorporates an N-terminal linear lipopeptide attached to a biaryl cyclic tripeptide containing a Phe-Tyr, a Tyr-Tyr, or a His-Tyr linkage. This methodology first involved an intramolecular Suzuki-Miyaura arylation of a linear peptidyl resin incorporating the corresponding halogenated amino acid at the N-terminus and a boronotyrosine at the C-terminus. After N-methylation of the resulting biaryl cyclic peptidyl resin, the N-methylated lipopeptidyl tail was then assembled. The biaryl cyclic lipopeptides were purified and characterized.
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Bogart JW, Bowers AA. Dehydroamino acids: chemical multi-tools for late-stage diversification. Org Biomol Chem 2019; 17:3653-3669. [PMID: 30849157 PMCID: PMC6637761 DOI: 10.1039/c8ob03155j] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
α,β-Dehydroamino acids (dhAAs) are noncanonical amino acids that are found in a wide array of natural products and can be easily installed into peptides and proteins. dhAAs exhibit remarkable synthetic flexibility, readily undergoing a number of reactions, such as polar and single-electron additions, transition metal catalyzed cross-couplings, and cycloadditions. Because of the relatively mild conditions required for many of these reactions, dhAAs are increasingly being used as orthogonal chemical handles for late-stage modification of biomolecules. Still, only a fraction of the chemical reactivity of dhAAs has been exploited in such biorthogonal applications. Herein, we provide an overview of the broad spectrum of chemical reactivity of dhAAs, with special emphasis on recent efforts to adapt such transformations for biomolecules such as natural products, peptides, and proteins. We also discuss examples of enzymes from natural product biosynthetic pathways that have been found to catalyze many similar reactions; these enzymes provide mild, regio- and stereoselective, biocatalytic alternatives for future development. We anticipate that the continued investigation of the innate reactivity of dhAAs will furnish a diverse portfolio dhAA-based chemistries for use in chemical biology and drug discovery.
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Affiliation(s)
- Jonathan W Bogart
- Division of Chemical Biology and Medicinal Chemistry Eshelman School of Pharmacy, and Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
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Tryptophan-Containing Non-Cationizable Opioid Peptides - a new chemotype with unusual structure and in vivo activity. Future Med Chem 2017; 9:2099-2115. [PMID: 29130348 DOI: 10.4155/fmc-2017-0104] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Recently, a new family of opioid peptides containing tryptophan came to the spotlight for the absence of the fundamental protonable tyramine 'message' pharmacophore. Structure-activity relationship investigations led to diverse compounds, characterized by different selectivity profiles and agonist or antagonist effects. Substitution at the indole of Trp clearly impacted peripheral/central antinociceptivity. These peculiarities prompted to gather all the compounds in a new class, and to coin the definition 'Tryptophan-Containing Non-Cationizable Opioid Peptides', in short 'TryCoNCOPs'. Molecular docking analysis suggested that the TryCoNCOPs can still interact with the receptors in an agonist-like fashion. However, most TryCoNCOPs showed significant differences between the in vitro and in vivo activities, suggesting that opioid activity may be elicited also via alternative mechanisms.
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Liang C, Behnam MA, Sundermann TR, Klein CD. Phenylglycine racemization in Fmoc-based solid-phase peptide synthesis: Stereochemical stability is achieved by choice of reaction conditions. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.04.047] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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9
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The Suzuki–Miyaura Cross-Coupling as a Versatile Tool for Peptide Diversification and Cyclization. Catalysts 2017. [DOI: 10.3390/catal7030074] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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Bartoccini F, Cannas DM, Fini F, Piersanti G. Palladium(II)-Catalyzed Cross-Dehydrogenative Coupling (CDC) of N-Phthaloyl Dehydroalanine Esters with Simple Arenes: Stereoselective Synthesis of Z-Dehydrophenylalanine Derivatives. Org Lett 2016; 18:2762-5. [PMID: 27206072 DOI: 10.1021/acs.orglett.6b01255] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Pd(II)-catalyzed cross-dehydrogenative coupling (CDC) of methyl N-phthaloyl dehydroalanine esters with simple aromatic hydrocarbons is reported. The reaction, which involves the cleavage of two sp(2) C-H bonds followed by C-C bond formation, stereoselectively generates highly valuable Z-dehydrophenylalanine skeletons in a practical, versatile, and atom economical manner. In addition, a perfluorinated product was expediently converted into important nonproteinogenic amino acid building blocks through copper-catalyzed conjugate additions of boron, silicon, and hydride moieties.
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Affiliation(s)
- Francesca Bartoccini
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo" , P.zza Rinascimento 6, 61029 Urbino (PU), Italy
| | - Diego Maria Cannas
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo" , P.zza Rinascimento 6, 61029 Urbino (PU), Italy
| | - Francesco Fini
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo" , P.zza Rinascimento 6, 61029 Urbino (PU), Italy
| | - Giovanni Piersanti
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo" , P.zza Rinascimento 6, 61029 Urbino (PU), Italy
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Karlsson S, Sörensen H, Andersen SM, Cruz A, Ryberg P. An Enantioselective Hydrogenation of an Alkenoic Acid as a Key Step in the Synthesis of AZD2716. Org Process Res Dev 2016. [DOI: 10.1021/acs.oprd.5b00382] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Staffan Karlsson
- CVMD iMed, Medicinal Chemistry, AstraZeneca R&D Mölndal, SE-431 83 Mölndal, Sweden
| | - Henrik Sörensen
- CVMD iMed, Medicinal Chemistry, AstraZeneca R&D Mölndal, SE-431 83 Mölndal, Sweden
| | - Sören M. Andersen
- CVMD iMed, Medicinal Chemistry, AstraZeneca R&D Mölndal, SE-431 83 Mölndal, Sweden
| | - Angele Cruz
- CVMD iMed, Medicinal Chemistry, AstraZeneca R&D Mölndal, SE-431 83 Mölndal, Sweden
| | - Per Ryberg
- SP Process Development, Box 36, SE-151 21 Södertälje, Sweden
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Noichl BP, Durkin PM, Budisa N. Toward intrinsically colored peptides: Synthesis and investigation of the spectral properties of methylated azatryptophans in tryptophan-cage mutants. Biopolymers 2015; 104:585-600. [DOI: 10.1002/bip.22709] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2015] [Revised: 07/22/2015] [Accepted: 07/23/2015] [Indexed: 11/11/2022]
Affiliation(s)
- Benjamin P. Noichl
- Department of Chemistry; Berlin Institute of Technology; Müller-Breslau-Straße 10 10623 Berlin Germany
| | - Patrick M. Durkin
- Department of Chemistry; Berlin Institute of Technology; Müller-Breslau-Straße 10 10623 Berlin Germany
| | - Nediljko Budisa
- Department of Chemistry; Berlin Institute of Technology; Müller-Breslau-Straße 10 10623 Berlin Germany
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De Marco R, Cavina L, Greco A, Gentilucci L. Easy preparation of dehydroalanine building blocks equipped with oxazolidin-2-one chiral auxiliaries, and applications to the stereoselective synthesis of substituted tryptophans. Amino Acids 2014; 46:2823-39. [DOI: 10.1007/s00726-014-1839-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2014] [Accepted: 09/09/2014] [Indexed: 12/23/2022]
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Affiliation(s)
- Emily M. Boyd
- School
of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland, New Zealand
| | - Jonathan Sperry
- School
of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland, New Zealand
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Kotha S, Bandarugattu VB, Krishna NG. Diversity-oriented approach to unusual amino acid derivatives and heterocycles via methyl 2-acetamidoacrylate and its congeners. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.05.056] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Synthesis of tryptophans by Lewis acid promoted ring-opening of aziridine-2-carboxylates: optimization of protecting group and Lewis acid. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2012.11.139] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Afonso A, Cussó O, Feliu L, Planas M. Solid-Phase Synthesis of Biaryl Cyclic Peptides Containing a 3-Aryltyrosine. European J Org Chem 2012. [DOI: 10.1002/ejoc.201200832] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Moseley JD, Murray PM, Turp ER, Tyler SN, Burn RT. A mild robust generic protocol for the Suzuki reaction using an air stable catalyst. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.05.030] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Leermann T, Broutin PE, Leroux FR, Colobert F. Construction of the biaryl-part of vancomycin aglycon via atropo-diastereoselective Suzuki–Miyaura coupling. Org Biomol Chem 2012; 10:4095-102. [DOI: 10.1039/c2ob25373a] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Bartolucci S, Bartoccini F, Righi M, Piersanti G. Direct, Regioselective, and Chemoselective Preparation of Novel Boronated Tryptophans by Friedel–Crafts Alkylation. Org Lett 2011; 14:600-3. [DOI: 10.1021/ol203216h] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Silvia Bartolucci
- Department of Biomolecular Sciences, University of Urbino, Piazza Rinascimento 6, 61029 Urbino (PU), Italy
| | - Francesca Bartoccini
- Department of Biomolecular Sciences, University of Urbino, Piazza Rinascimento 6, 61029 Urbino (PU), Italy
| | - Marika Righi
- Department of Biomolecular Sciences, University of Urbino, Piazza Rinascimento 6, 61029 Urbino (PU), Italy
| | - Giovanni Piersanti
- Department of Biomolecular Sciences, University of Urbino, Piazza Rinascimento 6, 61029 Urbino (PU), Italy
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Colgin N, Flinn T, Cobb SL. Synthesis and properties of MIDA boronate containing aromatic amino acids: new peptide building blocks. Org Biomol Chem 2011; 9:1864-70. [PMID: 21283875 DOI: 10.1039/c0ob00847h] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, we report the synthesis of novel phenylalanine and tyrosine derivatives containing a N-methyliminodiacetic acid boronate group. These compounds can be prepared enantiomerically pure, they are stable to column chromatography and they can be stored in air for two months without degradation occurring. This new class of boronate containing aromatic amino acids has potential applications in both peptide chemistry and natural product synthesis.
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Affiliation(s)
- Neil Colgin
- Department of Chemistry, Durham University, South Road, Durham, DH1 3LE, United Kingdom
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Kaur H, Heapy AM, Brimble MA. The synthesis of dehydrotryptophan and dehydrotryptophan-containing peptides. Org Biomol Chem 2011; 9:5897-907. [DOI: 10.1039/c1ob05777d] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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