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Liao WJ, Lin SY, Kuo YS, Liang CF. Site-Selective Acylation of Phenols Mediated by a Thioacid Surrogate through Sodium Thiosulfate Catalysis. Org Lett 2022; 24:4207-4211. [PMID: 35670502 DOI: 10.1021/acs.orglett.2c01467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Sodium thiosulfate was used as the sulfur source that reacts with anhydrides to generate acyl-Bunte salts, after which a reaction with phenols was induced. This protocol can be applied for the site-selective acylation of the phenolic hydroxyl group in the presence of other alcoholic groups. The advantages of this acylation method are operational simplicity, high efficiency, and the use of odorless reagents with low toxicity.
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Affiliation(s)
- Wei-Jr Liao
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan
| | - Sih-Yu Lin
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan
| | - Yu-Shan Kuo
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan
| | - Chien-Fu Liang
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan
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2
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Javia A, Vanza J, Bardoliwala D, Ghosh S, Misra A, Patel M, Thakkar H. Polymer-drug conjugates: Design principles, emerging synthetic strategies and clinical overview. Int J Pharm 2022; 623:121863. [PMID: 35643347 DOI: 10.1016/j.ijpharm.2022.121863] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 05/06/2022] [Accepted: 05/23/2022] [Indexed: 10/18/2022]
Abstract
Adagen, an enzyme replacement treatment for adenosine deaminase deficiency, was the first protein-polymer conjugate to be approved in early 1990s. Post this regulatory approval, numerous polymeric drugs and polymeric nanoparticles have entered the market as advanced or next-generation polymer-based therapeutics, while many others have currently been tested clinically. The polymer conjugation to therapeutic moiety offers several advantages, like enhanced solubilization of drug, controlled release, reduced immunogenicity, and prolonged circulation. The present review intends to highlight considerations in the design of therapeutically effective polymer-drug conjugates (PDCs), including the choice of linker chemistry. The potential synthetic strategies to formulate PDCs have been discussed along with recent advancements in the different types of PDCs, i.e., polymer-small molecular weight drug conjugates, polymer-protein conjugates, and stimuli-responsive PDCs, which are under clinical/preclinical investigation. Current impediments and regulatory hurdles hindering the clinical translation of PDC into effective therapeutic regimens for the amelioration of disease conditions have been addressed.
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Affiliation(s)
- Ankit Javia
- Department of Pharmaceutics, Faculty of Pharmacy, Kalabhavan Campus, The Maharaja Sayajirao University of Baroda, Vadodara, Gujarat-390001, India
| | - Jigar Vanza
- Department of Pharmaceutics, Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, Changa, Gujarat-388421, India
| | - Denish Bardoliwala
- Department of Pharmaceutics, Faculty of Pharmacy, Kalabhavan Campus, The Maharaja Sayajirao University of Baroda, Vadodara, Gujarat-390001, India
| | - Saikat Ghosh
- Department of Pharmaceutics, Faculty of Pharmacy, Kalabhavan Campus, The Maharaja Sayajirao University of Baroda, Vadodara, Gujarat-390001, India
| | - Ambikanandan Misra
- Department of Pharmaceutics, Faculty of Pharmacy, Kalabhavan Campus, The Maharaja Sayajirao University of Baroda, Vadodara, Gujarat-390001, India; Department of Pharmaceutics, School of Pharmacy and Technology Management, SVKM's NMIMS, Shirpur, Maharashtra-425405, Indi
| | - Mrunali Patel
- Department of Pharmaceutics, Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, Changa, Gujarat-388421, India
| | - Hetal Thakkar
- Department of Pharmaceutics, Faculty of Pharmacy, Kalabhavan Campus, The Maharaja Sayajirao University of Baroda, Vadodara, Gujarat-390001, India.
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3
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Polypharmacology: The science of multi-targeting molecules. Pharmacol Res 2022; 176:106055. [PMID: 34990865 DOI: 10.1016/j.phrs.2021.106055] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/23/2021] [Accepted: 12/31/2021] [Indexed: 12/28/2022]
Abstract
Polypharmacology is a concept where a molecule can interact with two or more targets simultaneously. It offers many advantages as compared to the conventional single-targeting molecules. A multi-targeting drug is much more efficacious due to its cumulative efficacy at all of its individual targets making it much more effective in complex and multifactorial diseases like cancer, where multiple proteins and pathways are involved in the onset and development of the disease. For a molecule to be polypharmacologic in nature, it needs to possess promiscuity which is the ability to interact with multiple targets; and at the same time avoid binding to antitargets which would otherwise result in off-target adverse effects. There are certain structural features and physicochemical properties which when present would help researchers to predict if the designed molecule would possess promiscuity or not. Promiscuity can also be identified via advanced state-of-the-art computational methods. In this review, we also elaborate on the methods by which one can intentionally incorporate promiscuity in their molecules and make them polypharmacologic. The polypharmacology paradigm of "one drug-multiple targets" has numerous applications especially in drug repurposing where an already established drug is redeveloped for a new indication. Though designing a polypharmacological drug is much more difficult than designing a single-targeting drug, with the current technologies and information regarding different diseases and chemical functional groups, it is plausible for researchers to intentionally design a polypharmacological drug and unlock its advantages.
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4
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Li X, Li X, Liu F, Li S, Shi D. Rational Multitargeted Drug Design Strategy from the Perspective of a Medicinal Chemist. J Med Chem 2021; 64:10581-10605. [PMID: 34313432 DOI: 10.1021/acs.jmedchem.1c00683] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The development of multitarget-directed ligands (MTDLs) has become a widely focused research topic, but rational design remains as an enormous challenge. This paper reviews and discusses the design strategy of incorporating the second activity into an existing single-active ligand. If the binding sites of both targets share similar endogenous substrates, MTDLs can be designed by merging two lead compounds with similar functional groups. If the binding sites are large or adjacent to the solution, two key pharmacophores can be fused directly. If the binding regions are small and deep inside the proteins, the linked-pharmacophore strategy might be the only way. The added pharmacophores of second targets should not affect the binding mode of the original ones. Moreover, the inhibitory activities of the two targets need to be adjusted to achieve an optimal ratio.
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Affiliation(s)
- Xiangqian Li
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, Shandong, P. R. China
| | - Xiaowei Li
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, Shandong, P. R. China
| | - Fang Liu
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, Shandong, P. R. China
| | - Shuo Li
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, Shandong, P. R. China
| | - Dayong Shi
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, Shandong, P. R. China
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5
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Clavé G, Dursun E, Vasseur JJ, Smietana M. An Entry of the Chemoselective Sulfo-Click Reaction into the Sphere of Nucleic Acids. Org Lett 2020; 22:1914-1918. [DOI: 10.1021/acs.orglett.0c00265] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Guillaume Clavé
- Institut des Biomolécules Max Mousseron, Univ. Montpellier, CNRS, ENSCM, 34090 Montpellier, France
| | - Enes Dursun
- Institut des Biomolécules Max Mousseron, Univ. Montpellier, CNRS, ENSCM, 34090 Montpellier, France
| | - Jean-Jacques Vasseur
- Institut des Biomolécules Max Mousseron, Univ. Montpellier, CNRS, ENSCM, 34090 Montpellier, France
| | - Michael Smietana
- Institut des Biomolécules Max Mousseron, Univ. Montpellier, CNRS, ENSCM, 34090 Montpellier, France
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Brandhofer T, Gini A, Stockerl S, Piekarski DG, García Mancheño O. Direct C–H Bond Imidation with Benzoyl Peroxide as a Mild Oxidant and a Reagent. J Org Chem 2019; 84:12992-13002. [DOI: 10.1021/acs.joc.9b01765] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Tobias Brandhofer
- Institute of Organic Chemistry, University of Münster, 48149 Münster, Germany
- Institute for Organic Chemistry, University of Regensburg, 93053 Regensburg, Germany
| | - Andrea Gini
- Institute for Organic Chemistry, University of Regensburg, 93053 Regensburg, Germany
| | - Sebastian Stockerl
- Institute of Organic Chemistry, University of Münster, 48149 Münster, Germany
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7
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Roopesh Kumar L, Panduranga V, Vishwanatha TM, Shekharappa, Sureshbabu VV. Synthesis of thioureido peptidomimetics employing alkyl azides and dithiocarbamates. Org Biomol Chem 2019. [PMID: 29528353 DOI: 10.1039/c8ob00239h] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
An unprecedented approach for the assembly of thioureido peptidomimetics is developed employing alkyl azides and dithiocarbamates. Dithiocarbamates react with alkyl azides with the liberation of N2 and elemental sulfur thereby leading to thiourea in a traceless manner. Thioureido peptidomimetics are thus furnished in good yields with no epimerization. This process is mild, free from the use of a base, scalable and step economic. The practicability of this methodology has been highlighted by the synthesis of N,N'-orthogonally protected thioureido peptidomimetics.
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Affiliation(s)
- L Roopesh Kumar
- Room No. 109, Peptide Research Laboratory, Department of Studies in Chemistry, Central College Campus, Dr. B. R. Ambedkar Veedhi, Bangalore University, Bangalore, 560001, India.
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8
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Proschak E, Stark H, Merk D. Polypharmacology by Design: A Medicinal Chemist's Perspective on Multitargeting Compounds. J Med Chem 2018; 62:420-444. [PMID: 30035545 DOI: 10.1021/acs.jmedchem.8b00760] [Citation(s) in RCA: 267] [Impact Index Per Article: 44.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Multitargeting compounds comprising activity on more than a single biological target have gained remarkable relevance in drug discovery owing to the complexity of multifactorial diseases such as cancer, inflammation, or the metabolic syndrome. Polypharmacological drug profiles can produce additive or synergistic effects while reducing side effects and significantly contribute to the high therapeutic success of indispensable drugs such as aspirin. While their identification has long been the result of serendipity, medicinal chemistry now tends to design polypharmacology. Modern in vitro pharmacological methods and chemical probes allow a systematic search for rational target combinations and recent innovations in computational technologies, crystallography, or fragment-based design equip multitarget compound development with valuable tools. In this Perspective, we analyze the relevance of multiple ligands in drug discovery and the versatile toolbox to design polypharmacology. We conclude that despite some characteristic challenges remaining unresolved, designed polypharmacology holds enormous potential to secure future therapeutic innovation.
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Affiliation(s)
- Ewgenij Proschak
- Institute of Pharmaceutical Chemistry , Goethe University Frankfurt , Max-von-Laue-Strasse 9 , D-60438 Frankfurt , Germany
| | - Holger Stark
- Institute of Pharmaceutical and Medicinal Chemistry , Heinrich Heine University Düsseldorf , Universitaetsstrasse 1 , D-40225 , Duesseldorf , Germany
| | - Daniel Merk
- Institute of Pharmaceutical Chemistry , Goethe University Frankfurt , Max-von-Laue-Strasse 9 , D-60438 Frankfurt , Germany.,Department of Chemistry and Applied Biosciences, Institute of Pharmaceutical Sciences , Swiss Federal Institute of Technology (ETH) Zürich , Vladimir-Prelog-Weg 4 , CH-8093 Zürich , Switzerland
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9
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N. N, Thimmalapura VM, Hosamani B, Prabhu G, Kumar LR, Sureshbabu VV. Thioacids – synthons for amide bond formation and ligation reactions: assembly of peptides and peptidomimetics. Org Biomol Chem 2018; 16:3524-3552. [DOI: 10.1039/c8ob00512e] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis of α-amino thioacids and peptide thioacids and their applications in chemoselective amide bond formation, ligation of peptides/proteins/glycopeptides and synthesis of peptidomimetics are reviewed.
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Affiliation(s)
- Narendra N.
- Department of Chemistry
- University College of Science
- Tumkur University
- Tumkur 572 103
- India
| | - Vishwanatha M. Thimmalapura
- Room No. 109
- Peptide Research Laboratory
- Department of Studies in Chemistry
- Central College Campus
- Dr B. R. Ambedkar Veedhi
| | - Basavaprabhu Hosamani
- Room No. 109
- Peptide Research Laboratory
- Department of Studies in Chemistry
- Central College Campus
- Dr B. R. Ambedkar Veedhi
| | - Girish Prabhu
- Room No. 109
- Peptide Research Laboratory
- Department of Studies in Chemistry
- Central College Campus
- Dr B. R. Ambedkar Veedhi
| | - L. Roopesh Kumar
- Room No. 109
- Peptide Research Laboratory
- Department of Studies in Chemistry
- Central College Campus
- Dr B. R. Ambedkar Veedhi
| | - Vommina V. Sureshbabu
- Room No. 109
- Peptide Research Laboratory
- Department of Studies in Chemistry
- Central College Campus
- Dr B. R. Ambedkar Veedhi
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10
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Merk D, Schubert-Zsilavecz M. The Linker Approach. METHODS AND PRINCIPLES IN MEDICINAL CHEMISTRY 2017. [DOI: 10.1002/9783527674381.ch8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Daniel Merk
- Goethe University Frankfurt; Institute of Pharmaceutical Chemistry; Max-von-Laue-Str. 9 60438 Frankfurt Germany
| | - Manfred Schubert-Zsilavecz
- Goethe University Frankfurt; Institute of Pharmaceutical Chemistry; Max-von-Laue-Str. 9 60438 Frankfurt Germany
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11
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Panduranga V, Prabhu G, Kumar R, Basavaprabhu B, Sureshbabu VV. A facile one pot route for the synthesis of imide tethered peptidomimetics. Org Biomol Chem 2016; 14:556-563. [DOI: 10.1039/c5ob01708d] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A simple and efficient method for the synthesis of N,N’-orthogonally protected imide tethered peptidomimetics is presented. The imide peptidomimetics were synthesized by coupling the in situ generated selenocarboxylate of Nα-protected amino acids with Nα-protected amino acid azides in good yields.
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Affiliation(s)
- Veladi Panduranga
- Peptide Research Laboratory
- Department of Studies in Chemistry
- Bangalore 560 001
- India
| | - Girish Prabhu
- Peptide Research Laboratory
- Department of Studies in Chemistry
- Bangalore 560 001
- India
| | - Roopesh Kumar
- Peptide Research Laboratory
- Department of Studies in Chemistry
- Bangalore 560 001
- India
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12
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Khaybullin RN, Panda SS, Mirzai S, Toneff E, Asiri AM, Hall CD, Katritzky AR. Arginine thioacid in synthesis of arginine conjugates and peptides. RSC Adv 2014. [DOI: 10.1039/c4ra04897k] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
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13
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Chen C, Huang Y, Xu L, Zheng Y, Xu H, Guo Q, Tian C, Li Y, Shi J. Thiol-assisted one-pot synthesis of peptide/protein C-terminal thioacids from peptide/protein hydrazides at neutral conditions. Org Biomol Chem 2014; 12:9413-8. [DOI: 10.1039/c4ob01885k] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
An efficient thiol-assisted one-pot synthesis of peptide/protein C-terminal thioacids was achieved by using peptide/protein hydrazides precursors at neutral pH and room temperature (about 20 °C).
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Affiliation(s)
- Chenchen Chen
- School of Medical Engineering
- School of Chemistry and Chemical Engineering
- Hefei University of Technology
- Hefei, China
- Department of Chemistry
| | - Yichao Huang
- Department of Chemistry
- Tsinghua University
- Beijing 100084, China
| | - Ling Xu
- Department of Chemistry
- University of Science and Technology of China
- China
| | - Yong Zheng
- Department of Chemistry
- University of Science and Technology of China
- China
| | - Huajian Xu
- School of Medical Engineering
- School of Chemistry and Chemical Engineering
- Hefei University of Technology
- Hefei, China
| | - Qingxiang Guo
- Department of Chemistry
- University of Science and Technology of China
- China
| | - Changlin Tian
- Department of Chemistry
- University of Science and Technology of China
- China
| | - Yiming Li
- School of Medical Engineering
- School of Chemistry and Chemical Engineering
- Hefei University of Technology
- Hefei, China
- Department of Chemistry
| | - Jing Shi
- Department of Chemistry
- University of Science and Technology of China
- China
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14
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Chemical synthesis of proteins using N-sulfanylethylanilide peptides, based on N-S acyl transfer chemistry. Top Curr Chem (Cham) 2014; 363:33-56. [PMID: 25467538 DOI: 10.1007/128_2014_586] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Native chemical ligation (NCL), which features the use of peptide thioesters, is among the most reliable ligation protocols in chemical protein synthesis. Thioesters have conventionally been synthesized using tert-butyloxycarbonyl (Boc)-based solid-phase peptide synthesis (SPPS); however, the increasing use of 9-fluorenylmethyloxycarbonyl (Fmoc) SPPS requires an efficient preparative protocol for thioesters which is fully compatible with Fmoc chemistry. We have addressed this issue by mimicking the naturally occurring thioester-forming step seen in intein-mediated protein splicing of the intein-extein system, using an appropriate chemical device to induce N-S acyl transfer reaction, avoiding the problems associated with Fmoc strategies. We have developed N-sulfanylethylanilide (SEAlide) peptides, which can be synthesized by standard Fmoc SPPS and converted to the corresponding thioesters through treatment under acidic conditions. Extensive examination of SEAlide peptides showed that the amide-type SEAlide peptides can be directly and efficiently involved in NCL via thioester species in the presence of phosphate salts, even under neutral conditions. The presence or absence of phosphate salts provided kinetically controllable chemoselectivity in NCL for SEAlide peptides. This allowed SEAlide peptides to be used in both one-pot/N-to-C-directed sequential NCL under kinetically controlled conditions, and the convergent coupling of large peptide fragments, which facilitated the chemical synthesis of proteins over about 100 residues. The use of SEAlide peptides, enabling sequential NCL operated under kinetically controlled conditions, and the convergent coupling, were used for the total chemical synthesis of a 162-residue monoglycosylated GM2-activator protein (GM2AP) analog.
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15
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Pira SL, Boll E, Melnyk O. Synthesis of Peptide Thioacids at Neutral pH Using Bis(2-sulfanylethyl)amido Peptide Precursors. Org Lett 2013; 15:5346-9. [DOI: 10.1021/ol402601j] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Silvain L. Pira
- UMR CNRS 8161, Pasteur Institute of Lille 59021 Lille, France
| | - Emmanuelle Boll
- UMR CNRS 8161, Pasteur Institute of Lille 59021 Lille, France
| | - Oleg Melnyk
- UMR CNRS 8161, Pasteur Institute of Lille 59021 Lille, France
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16
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Fécourt F, Delpech B, Melnyk O, Crich D. Se-(9-Fluorenylmethyl) Selenoesters; Preparation, Reactivity, and Use as Convenient Synthons for Selenoacids. Org Lett 2013; 15:3758-61. [DOI: 10.1021/ol401677a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Fabien Fécourt
- Centre de Recherche de Gif, Institut de Chimie des Substances Naturelles, CNRS, 1 Avenue de la Terrasse, 91190 Gif-sur-Yvette, France, CNRS UMR 8161, Univ. Lille Nord de France, Institut Pasteur de Lille, 59021, Lille, France, and Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, United States
| | - Bernard Delpech
- Centre de Recherche de Gif, Institut de Chimie des Substances Naturelles, CNRS, 1 Avenue de la Terrasse, 91190 Gif-sur-Yvette, France, CNRS UMR 8161, Univ. Lille Nord de France, Institut Pasteur de Lille, 59021, Lille, France, and Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, United States
| | - Oleg Melnyk
- Centre de Recherche de Gif, Institut de Chimie des Substances Naturelles, CNRS, 1 Avenue de la Terrasse, 91190 Gif-sur-Yvette, France, CNRS UMR 8161, Univ. Lille Nord de France, Institut Pasteur de Lille, 59021, Lille, France, and Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, United States
| | - David Crich
- Centre de Recherche de Gif, Institut de Chimie des Substances Naturelles, CNRS, 1 Avenue de la Terrasse, 91190 Gif-sur-Yvette, France, CNRS UMR 8161, Univ. Lille Nord de France, Institut Pasteur de Lille, 59021, Lille, France, and Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, United States
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17
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Mhidia R, Boll E, Fécourt F, Ermolenko M, Ollivier N, Sasaki K, Crich D, Delpech B, Melnyk O. Exploration of an imide capture/N,N-acyl shift sequence for asparagine native peptide bond formation. Bioorg Med Chem 2013; 21:3479-85. [DOI: 10.1016/j.bmc.2013.02.053] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2013] [Revised: 02/15/2013] [Accepted: 02/28/2013] [Indexed: 01/27/2023]
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18
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Otaka A, Sato K, Ding H, Shigenaga A. One-Pot/Sequential Native Chemical Ligation UsingN-Sulfanylethylanilide Peptide. CHEM REC 2012; 12:479-90. [DOI: 10.1002/tcr.201200007] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2012] [Indexed: 01/05/2023]
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19
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T3P (propylphosphonic anhydride) mediated conversion of Nα-protected amino/peptide acids into thioacids. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.01.027] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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20
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Zhang X, Li F, Liu CF. Synthesis of histone H3 proteins by a thioacid capture ligation strategy. Chem Commun (Camb) 2011; 47:1746-8. [DOI: 10.1039/c0cc03666h] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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