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Eimura H, Niwa A, Uchida J, Kato T. Self-Assembly of Peptide-Containing Mesogens: Thermotropic Liquid-Crystalline Properties and Macroscopic Alignment of Amphiphilic Bioconjugates. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20210051] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Hiroki Eimura
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Anna Niwa
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Junya Uchida
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Takashi Kato
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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Stasińska AR, Putaj P, Chmielewski MK. Disulfide bridge as a linker in nucleic acids’ bioconjugation. Part I: An overview of synthetic strategies. Bioorg Chem 2019; 92:103223. [DOI: 10.1016/j.bioorg.2019.103223] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 07/26/2019] [Accepted: 08/26/2019] [Indexed: 12/23/2022]
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3
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Solid-Phase Synthesis of Amine/Carboxyl Substituted Prolines and Proline Homologues: Scope and Limitations. Molecules 2016; 21:350. [PMID: 26999079 PMCID: PMC6273503 DOI: 10.3390/molecules21030350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 03/02/2016] [Accepted: 03/03/2016] [Indexed: 11/17/2022] Open
Abstract
A solid-phase procedure is used to synthesize racemic peptidomimetics based on the fundamental peptide unit. The peptidomimetics are constructed around proline or proline homologues variably substituted at the amine and carbonyl sites. The procedure expands the diversity of substituted peptidomimetic molecules available to the Distributed Drug Discovery (D3) project. Using a BAL-based solid-phase synthetic sequence the proline or proline homologue subunit is both constructed and incorporated into the peptidomimetic by an α-alkylation, hydrolysis and intramolecular cyclization sequence. Further transformations on solid-phase provide access to a variety of piperazine derivatives representing a class of molecules known to exhibit central nervous system activity. The procedure works well with proline cores, but with larger six- and seven-membered ring homologues the nature of the carboxylic acid acylating the cyclic amine can lead to side reactions and result in poor overall yields.
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Acosta P, Butassi E, Insuasty B, Ortiz A, Abonia R, Zacchino SA, Quiroga J. Microwave-Assisted Synthesis of Novel Pyrazolo[3,4-g][1,8]naphthyridin-5-amine with Potential Antifungal and Antitumor Activity. Molecules 2015; 20:8499-520. [PMID: 25985354 PMCID: PMC6273193 DOI: 10.3390/molecules20058499] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Revised: 05/05/2015] [Accepted: 05/06/2015] [Indexed: 12/26/2022] Open
Abstract
The microwave assisted reaction between heterocyclic o-aminonitriles 1 and cyclic ketones 2 catalyzed by zinc chloride led to new series of pyrazolo[3,4-b][1,8]naphthyridin-5-amines 3 in good yields. This procedure provides several advantages such as being environmentally friendly, high yields, simple work-up procedure, broad scope of applicability and the protocol provides an alternative for the synthesis of pyrazolonaphthyridines. The whole series showed antifungal activities against Candida albicans and Cryptococcus neoformans standardized strains, being compounds with a 4-p-tolyl substituent of the naphthyridin scheleton (3a, 3d and 3g), the most active ones mainly against C. albicans, which appear to be related to their comparative hydrophobicity. Among them, 3d, containing a cyclohexyl fused ring, showed the best activity. The anti-Candida activity was corroborated by testing the three most active compounds against clinical isolates of albicans and non-albicans Candida strains. These compounds were also screened by the US National Cancer Institute (NCI) for their ability to inhibit 60 different human tumor cell lines. Compounds 3a and 3e showed remarkable antitumor activity against cancer cell lines, with the most important GI50 values ranging from 0.62 to 2.18 μM.
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Affiliation(s)
- Paola Acosta
- Heterocyclic Compounds Research Group, Department of Chemistry, Universidad del Valle, A.A. 25360 Cali, Colombia.
| | - Estefanía Butassi
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, CP 2000 Rosario, Argentina.
| | - Braulio Insuasty
- Heterocyclic Compounds Research Group, Department of Chemistry, Universidad del Valle, A.A. 25360 Cali, Colombia.
| | - Alejandro Ortiz
- Heterocyclic Compounds Research Group, Department of Chemistry, Universidad del Valle, A.A. 25360 Cali, Colombia.
| | - Rodrigo Abonia
- Heterocyclic Compounds Research Group, Department of Chemistry, Universidad del Valle, A.A. 25360 Cali, Colombia.
| | - Susana A Zacchino
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, CP 2000 Rosario, Argentina.
| | - Jairo Quiroga
- Heterocyclic Compounds Research Group, Department of Chemistry, Universidad del Valle, A.A. 25360 Cali, Colombia.
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Zajdel P, Marciniec K, Maślankiewicz A, Paluchowska MH, Satała G, Partyka A, Jastrzębska-Więsek M, Wróbel D, Wesołowska A, Duszyńska B, Bojarski AJ, Pawłowski M. Arene- and quinoline-sulfonamides as novel 5-HT7 receptor ligands. Bioorg Med Chem 2011; 19:6750-9. [PMID: 22001327 DOI: 10.1016/j.bmc.2011.09.044] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2011] [Revised: 09/22/2011] [Accepted: 09/23/2011] [Indexed: 12/23/2022]
Affiliation(s)
- Paweł Zajdel
- Department of Medicinal Chemistry, Jagiellonian University Medical College, Kraków, Poland.
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Scott WL, Zhou Z, Zajdel P, Pawłowski M, O’Donnell MJ. Solid-phase synthetic route to multiple derivatives of a fundamental peptide unit. Molecules 2010; 15:4961-83. [PMID: 20657403 PMCID: PMC6257617 DOI: 10.3390/molecules15074961] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2010] [Revised: 06/23/2010] [Accepted: 07/12/2010] [Indexed: 11/16/2022] Open
Abstract
Amino acids are Nature's combinatorial building blocks. When substituted on both the amino and carboxyl sides they become the basic scaffold present in all peptides and proteins. We report a solid-phase synthetic route to large combinatorial variations of this fundamental scaffold, extending the variety of substituted biomimetic molecules available to successfully implement the Distributed Drug Discovery (D3) project. In a single solid-phase sequence, compatible with basic amine substituents, three-point variation is performed at the amino acid a-carbon and the amino and carboxyl functionalities.
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Affiliation(s)
- William L. Scott
- Department of Chemistry and Chemical Biology, Indiana University-Purdue University Indianapolis, 402 N. Blackford Street, Indianapolis, IN 46202, USA
- Authors to whom correspondence should be addressed; E-Mail: (W.L.S.); (M.J.O.)
| | - Ziniu Zhou
- Department of Chemistry and Chemical Biology, Indiana University-Purdue University Indianapolis, 402 N. Blackford Street, Indianapolis, IN 46202, USA
| | - Paweł Zajdel
- Department of Medicinal Chemistry, Jagiellonian University Medical College, 9 Medyczna Street, 30-688 Kraków, Poland
| | - Maciej Pawłowski
- Department of Medicinal Chemistry, Jagiellonian University Medical College, 9 Medyczna Street, 30-688 Kraków, Poland
| | - Martin J. O’Donnell
- Department of Chemistry and Chemical Biology, Indiana University-Purdue University Indianapolis, 402 N. Blackford Street, Indianapolis, IN 46202, USA
- Authors to whom correspondence should be addressed; E-Mail: (W.L.S.); (M.J.O.)
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Dekeukeleire S, D’hooghe M, De Kimpe N. Diastereoselective Synthesis of Bicyclic γ-Lactams via Ring Expansion of Monocyclic β-Lactams. J Org Chem 2009; 74:1644-9. [DOI: 10.1021/jo802459j] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Stijn Dekeukeleire
- Department of Organic Chemistry, Faculty of Bioscience Engineering, UGhent University, Coupure links 653, B-9000 UGhent, Belgium
| | - Matthias D’hooghe
- Department of Organic Chemistry, Faculty of Bioscience Engineering, UGhent University, Coupure links 653, B-9000 UGhent, Belgium
| | - Norbert De Kimpe
- Department of Organic Chemistry, Faculty of Bioscience Engineering, UGhent University, Coupure links 653, B-9000 UGhent, Belgium
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Bennett CS, Dean SM, Payne RJ, Ficht S, Brik A, Wong CH. Sugar-assisted glycopeptide ligation with complex oligosaccharides: scope and limitations. J Am Chem Soc 2008; 130:11945-52. [PMID: 18698778 DOI: 10.1021/ja8010513] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We have previously shown sugar-assisted ligation (SAL) to be a useful method for the convergent construction of glycopeptides. However to date SAL has only been carried out on systems where the thiol auxiliary is attached to a monosaccharide. For SAL to be truly applicable to the construction of fully elaborated glycopeptides and glycoproteins, it must be possible to carry out the reaction when the thiol auxiliary is attached to more elaborate sugars, as these are frequently what are observed in nature. Here we examine the effects of glycosylation at C-3, C-4, and C-6 of the C-2 auxiliary-containing glycan. Model glycopeptides where synthesized chemoenzymatically and reacted with peptide thioesters used in our previous work. These studies reveal that SAL is sensitive to extended glycosylation on the auxiliary-containing sugar. While it is possible to carry out SAL with extended glycosylation at C-4 and C-6, the presence of glycosylation at C-3 prevents the ligation from occurring. Additionally, with glycosylation at C-4 the ligation efficiency is affected by the identity of the N-terminal AA, while the nature of the C-terminal residue of the peptide thioester does not appear to affect ligation efficiency. These studies provide useful guidelines in deciding when it is appropriate to use SAL in the synthesis of complex glycopeptides and glycoproteins and how to choose ligation junctions for optimal yield.
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Affiliation(s)
- Clay S Bennett
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, USA
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Pensato S, Domenico D'Andrea L, Pedone C, Romanelli A. New Synthetic Route to γ-Mercaptomethyl PNA Monomers. SYNTHETIC COMMUN 2008. [DOI: 10.1080/00397910802219122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Soccorsa Pensato
- a University of Naples “Federico II,” Department of Biological Science , School of Biotechnological Sciences , Napoli, Italy
| | | | - Carlo Pedone
- a University of Naples “Federico II,” Department of Biological Science , School of Biotechnological Sciences , Napoli, Italy
| | - Alessandra Romanelli
- a University of Naples “Federico II,” Department of Biological Science , School of Biotechnological Sciences , Napoli, Italy
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Brik A, Ficht S, Yang YY, Bennett CS, Wong CH. Sugar-assisted ligation of N-linked glycopeptides with broad sequence tolerance at the ligation junction. J Am Chem Soc 2007; 128:15026-33. [PMID: 17105315 DOI: 10.1021/ja065601q] [Citation(s) in RCA: 81] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel method for the synthesis of N-linked glycopeptides using the sugar-assisted ligation strategy from cysteine free peptides is presented. The ligation junction tolerates a variety of amino acids, favoring less hindered amino acids and those with side chains that could serve as a general base in the ligation pathway. Since our approach allows the ligation of difficult junctions, the method could be applied to the synthesis of large peptides by enzymatic removal of the sugar moiety. Alternatively, more complex glycopeptides can be synthesized using glycosyltransferases. Together, this sequence of reactions should be amenable to the synthesis of glycopeptides and glycoproteins and their deglycosylated products.
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Affiliation(s)
- Ashraf Brik
- Department of Chemistry and the Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.
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Abstract
Sugar-assisted ligation (SAL) presents an attractive strategy for the synthesis of glycopeptides, including the synthesis of cysteine-free beta-O-linked and N-linked glycopeptides. Here we extended the utility of SAL for the synthesis of alpha-O-linked glycopeptides and glycoproteins. In order to explore SAL in the context of glycoprotein synthesis, we developed a new chemical synthetic route for the alpha-O-linked glycoprotein diptericin epsilon. In the first stage of our synthesis, diptericin segment Cys(Acm)37-Gly(52) and segment Val(53)-Phe(82) were assembled by SAL through a Gly-Val ligation junction. Subsequently, after Acm deprotection, diptericin segment Cys(37)-Phe(82) was ligated to segment Asp(1)-Asn(36) by means of native chemical ligation (NCL) to give the full sequence of diptericin epsilon. In the final synthetic step, hydrogenolysis was applied to remove the thiol handle from the sugar moiety with the concomitant conversion of mutated Cys(37) into the native alanine residue. In addition, we extended the applicability of SAL to the synthesis of glycopeptides containing cysteine residues by carrying out selective desulfurization of the sulfhydryl-modified sugar moiety in the presence of acetamidomethyl (Acm) protected cysteine residues. The results presented here demonstrated for the first time that SAL could be a general and useful tool in the chemical synthesis of glycoproteins.
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Affiliation(s)
- Yu-Ying Yang
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Simon Ficht
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Ashraf Brik
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
- E-mail: ,
| | - Chi-Huey Wong
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
- Genomic Research Center, Academia Sinica, 128 Sec. 2, Academia Road, Nankang, Taipei 115, Taiwan
- E-mail: ,
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Kupihár Z, Kovács G, Kele Z, Darula Z, Kovács L. A novel and convenient method for the synthesis of free 5'-thiol modified oligonucleotides. NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2003; 22:1297-9. [PMID: 14565403 DOI: 10.1081/ncn-120022950] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The synthesis of free 5'-thiol-modified oligonucleotides using a 4,4',4''-trimethoxytrityl (TMTr)-protected linker and standard Poly-Pak purification has been described.
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Affiliation(s)
- Z Kupihár
- Nucleic Acids Laboratory, Department of Medicinal Chemistry, University of Szeged, Szeged, Hungary.
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