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Gui YY, Chen XW, Mo XY, Yue JP, Yuan R, Liu Y, Liao LL, Ye JH, Yu DG. Cu-Catalyzed Asymmetric Dicarboxylation of 1,3-Dienes with CO 2. J Am Chem Soc 2024; 146:2919-2927. [PMID: 38277794 DOI: 10.1021/jacs.3c14146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2024]
Abstract
Dicarboxylic acids and derivatives are important building blocks in organic synthesis, biochemistry, and the polymer industry. Although catalytic dicarboxylation with CO2 represents a straightforward and sustainable route to dicarboxylic acids, it is still highly challenging and limited to generation of achiral or racemic dicarboxylic acids. To date, catalytic asymmetric dicarboxylation with CO2 to give chiral dicarboxylic acids has not been reported. Herein, we report the first asymmetric dicarboxylation of 1,3-dienes with CO2 via Cu catalysis. This strategy provides an efficient and environmentally benign route to chiral dicarboxylic acids with high regio-, chemo-, and enantioselectivities. The copper self-relay catalysis, that is, Cu-catalyzed boracarboxylation of 1,3-dienes to give carboxylated allyl boronic ester intermediates and subsequent carboxylation of C-B bonds to give dicarboxylates, is key to the success of this dicarboxylation. Moreover, this protocol exhibits broad substrate scope, good functional group tolerance, easy product derivatizations, and facile synthesis of chiral liquid crystalline polyester and drug-like scaffolds.
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Affiliation(s)
- Yong-Yuan Gui
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, P. R. China
| | - Xiao-Wang Chen
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Xiao-Yan Mo
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, P. R. China
| | - Jun-Ping Yue
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Rong Yuan
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, P. R. China
| | - Yi Liu
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Li-Li Liao
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Jian-Heng Ye
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Da-Gang Yu
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, P. R. China
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2
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Tsukano C, Uchino A, Irie K. Synthesis and applications of symmetric amino acid derivatives. Org Biomol Chem 2024; 22:411-428. [PMID: 37877370 DOI: 10.1039/d3ob01379k] [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: 10/26/2023]
Abstract
Symmetric α-amino acid derivatives can be used for the synthesis of intermolecularly linked peptides such as dimer-type peptides, and modified peptides in which two amino acids are intramolecularly linked. They are also synthetic intermediates for the total synthesis of natural products and functional molecules. These symmetric amino acid derivatives must be prepared based on organic synthesis. It is necessary to develop an optimal synthetic strategy for constructing the target symmetric amino acid derivative. In this review, we will introduce strategies for synthesizing symmetric amino acid derivatives. Additionally, selected applications of these amino acids in the life sciences will be described.
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Affiliation(s)
- Chihiro Tsukano
- Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan.
| | - Ayumi Uchino
- Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan.
| | - Kazuhiro Irie
- Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan.
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3
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Gaar J, Naffa R, Brimble M. Enzymatic and non-enzymatic crosslinks found in collagen and elastin and their chemical synthesis. Org Chem Front 2020. [DOI: 10.1039/d0qo00624f] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
This review summarized the enzymatic and non-enzymatic crosslinks found in collagen and elastin and their organic synthesis.
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Affiliation(s)
- Jakob Gaar
- School of Chemical Sciences
- The University of Auckland
- Auckland Central 1010
- New Zealand
- The Maurice Wilkins Centre for Molecular Biodiscovery
| | - Rafea Naffa
- New Zealand Leather and Shoe Research Association
- Palmerston North
- New Zealand
| | - Margaret Brimble
- School of Chemical Sciences
- The University of Auckland
- Auckland Central 1010
- New Zealand
- The Maurice Wilkins Centre for Molecular Biodiscovery
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4
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Yasuno Y, Mizutani I, Sueuchi Y, Wakabayashi Y, Yasuo N, Shimamoto K, Shinada T. Catalytic Asymmetric Hydrogenation of Dehydroamino Acid Esters with Biscarbamate Protection and Its Application to the Synthesis of xCT Inhibitors. Chemistry 2019; 25:5145-5148. [PMID: 30746782 DOI: 10.1002/chem.201900289] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Indexed: 01/17/2023]
Abstract
Catalytic asymmetric hydrogenation of dehydroamino acid esters with biscarbamate protection was examined for the first time to prepare optically active amino acids. The new method was successfully applied to the synthesis of new cystine-glutamate exchanger inhibitors.
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Affiliation(s)
- Yoko Yasuno
- Graduate School of Science, Osaka City University, Sugimoto, Sumiyoshi, Osaka, 558-8585, Japan
| | - Iho Mizutani
- Graduate School of Science, Osaka City University, Sugimoto, Sumiyoshi, Osaka, 558-8585, Japan
| | - Yuki Sueuchi
- Graduate School of Science, Osaka City University, Sugimoto, Sumiyoshi, Osaka, 558-8585, Japan
| | - Yuuka Wakabayashi
- Graduate School of Science, Osaka City University, Sugimoto, Sumiyoshi, Osaka, 558-8585, Japan
| | - Nozomi Yasuo
- Graduate School of Science, Osaka City University, Sugimoto, Sumiyoshi, Osaka, 558-8585, Japan
| | - Keiko Shimamoto
- Bioorganic Research Institute, Suntory Foundation for Life Sciences, 8-1-1, Seikadai, Seika-cho, Soraku-gun, Kyoto, 619-0284, Japan
| | - Tetsuro Shinada
- Graduate School of Science, Osaka City University, Sugimoto, Sumiyoshi, Osaka, 558-8585, Japan
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Götz T, Schädel N, Petri N, Kirchhof M, Bilitewski U, Tovar GEM, Laschat S, Southan A. Triazole-based cross-linkers in radical polymerization processes: tuning mechanical properties of poly(acrylamide) and poly( N,N-dimethylacrylamide) hydrogels. RSC Adv 2018; 8:34743-34753. [PMID: 35548633 PMCID: PMC9086908 DOI: 10.1039/c8ra07145d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Accepted: 09/07/2018] [Indexed: 11/21/2022] Open
Abstract
Triazole-based cross-linkers with different spacer lengths and different functional end groups (acrylamides, methacrylamides, maleimides and vinylsulfonamides) were synthesized, investigated for cytotoxic and antibacterial activity, and incorporated into poly(acrylamide) (PAAm) and poly(N,N-dimethylacrylamide) (PDMAAm) hydrogels by free-radical polymerization. Hydrogels prepared with different cross-linkers and cross-linker contents between 0.2% and 1.0% were compared by gel yields, equilibrium degrees of swelling (S) and storage moduli (G'). Generally with increasing cross-linker content, G' values of the hydrogels increased, while S values decreased. The different polymerizable cross-linker end groups resulted in a decrease of G' in the following order for cross-linkers with C4 spacers: acrylamide > maleimide > methacrylamide > vinylsulfonamide. Longer cross-linker alkyl spacer lengths caused an increase in G' and a decrease in S. Independent of the cross-linker used, a universal correlation between G' and equilibrium polymer volume fraction ϕ was found. For PAAm hydrogels, G' ranged between 4 kPa and 23 kPa and ϕ between 0.07 and 0.14. For PDMAAm hydrogels, G' ranged between 0.1 kPa and 4.9 kPa and ϕ between 0.02 and 0.06. The collected data were used to establish an empirical model to predict G' depending on ϕ. G' of PAAm and PDMAAm hydrogels is given by G' = 4034 kPa ϕ 2.66 and G' = 4297 kPa ϕ 2.46, respectively.
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Affiliation(s)
- Tobias Götz
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart Nobelstraße 12 70569 Stuttgart Germany +49 711 68568162
| | - Nicole Schädel
- Institute of Organic Chemistry IOC, University of Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Nadja Petri
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart Nobelstraße 12 70569 Stuttgart Germany +49 711 68568162
- Institute of Organic Chemistry IOC, University of Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Manuel Kirchhof
- Institute of Organic Chemistry IOC, University of Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Ursula Bilitewski
- AG Compound Profiling and Screening, Helmholtz Centre for Infection Research (HZI) Inhoffenstr. 7 38124 Braunschweig Germany
| | - Günter E M Tovar
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart Nobelstraße 12 70569 Stuttgart Germany +49 711 68568162
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB Nobelstraße 12 70569 Stuttgart Germany
| | - Sabine Laschat
- Institute of Organic Chemistry IOC, University of Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Alexander Southan
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart Nobelstraße 12 70569 Stuttgart Germany +49 711 68568162
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Kavianinia I, Yang SH, Kaur H, Harris PWR, Dobson RCJ, Fairbanks AJ, Brimble MA. Synthesis and incorporation of an advanced lipid peroxidation end-product building block into collagen mimetic peptides. Chem Commun (Camb) 2017; 53:8459-8462. [PMID: 28702630 DOI: 10.1039/c7cc05025a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Advanced lipid peroxidation end-products (ALEs) accumulate with ageing and oxidative stress-related diseases. Despite their potential therapeutic value, there are no suitably protected ALE building blocks reported in the literature to enable their site-specific incorporation into synthetic peptides. The synthesis of an Fmoc-protected ALE building block, N∈-(3-methylpyridinium)lysine (MP-lysine) and its incorporation into collagen model peptides is reported.
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Affiliation(s)
- Iman Kavianinia
- School of Biological Sciences, The University of Auckland, 3A Symonds Street, Auckland 1010, New Zealand and Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, 3 Symonds St, Auckland, New Zealand
| | - Sung-Hyun Yang
- School of Biological Sciences, The University of Auckland, 3A Symonds Street, Auckland 1010, New Zealand
| | - Harveen Kaur
- School of Biological Sciences, The University of Auckland, 3A Symonds Street, Auckland 1010, New Zealand
| | - Paul W R Harris
- School of Biological Sciences, The University of Auckland, 3A Symonds Street, Auckland 1010, New Zealand and Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, 3 Symonds St, Auckland, New Zealand
| | - Renwick C J Dobson
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, 3 Symonds St, Auckland, New Zealand and Biomolecular Interaction Centre and School of Biological Sciences University of Canterbury, Private Bag 4800, Christchurch, New Zealand and Department of Biochemistry and Molecular Biology, University of Melbourne, Parkville, VIC 3010, Australia
| | - Antony J Fairbanks
- Biomolecular Interaction Centre and Department of Chemistry, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand
| | - Margaret A Brimble
- School of Biological Sciences, The University of Auckland, 3A Symonds Street, Auckland 1010, New Zealand and Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, 3 Symonds St, Auckland, New Zealand and School of Chemical Sciences, The University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand.
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7
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Kaur H, Kamalov M, Brimble MA. Chemical Synthesis of Peptides Containing Site-Specific Advanced Glycation Endproducts. Acc Chem Res 2016; 49:2199-2208. [PMID: 27672697 DOI: 10.1021/acs.accounts.6b00366] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
In nature, proteins, lipids, and nucleic acids can nonenzymatically react with sugars and sugar degradation products to give rise to a diverse range of modifications, known as advanced glycation endproducts (AGEs). These AGEs typically occur at lysine and arginine residues of long-lived proteins, such as collagen, and can modify the structure and function of the native protein. AGEs accumulate during the normal aging process, and AGE formation is dramatically accelerated with diabetes. AGEs have also been implicated in a wide range of debilitating conditions including cardiovascular, renal failure, and neurodegenerative diseases. Thus, there is an ongoing interest in studying the role of AGEs in different aspects of these disorders. Typically, glycated proteins are prepared using nonspecific in vitro incubation techniques. However, this method results in a complex mixture of products which is then employed without further purification. In order to determine the effect of individual AGEs in a peptide sequence, in this Account, we highlight our synthetic methods for site-specifically introducing five frequently occurring AGEs, namely, Nε-(carboxymethyl)lysine (CML), Nε-(carboxyethyl)lysine (CEL), pyrraline, glyoxal-lysine dimer (GOLD), and methylglyoxal-lysine dimer (MOLD) into collagen peptides. Both a collagen model peptide (CMP) and the telopeptide region of human type I α1 collagen (CTP) were chosen due to being prone to glycation and cross-linking in vivo. For the preparation of the AGE-modified collagen peptides, we investigated both the initial preparation of AGE building blocks in solution followed by incorporation into Fmoc-SPPS, as well as an on-resin method whereby AGEs were selectively introduced by modification of the side-chain of an unprotected resin-bound lysine. Both of our synthetic methods enabled the site-specifically modified AGE-containing collagen peptides to be obtained in high purity and yield. In addition, the on-resin method had the added advantage of requiring fewer synthetic steps. We then evaluated the impact of the specific AGEs on the properties of the native protein and found that the AGE modifications protected against proteolytic digestion, enhanced copper binding at physiological pH, and, for the cross-linking AGEs, disrupted the triple helical structure of CMPs. Overall these synthetic methods offered a new strategy for preparing peptides site-specifically modified by AGEs, which can be applied to other peptidic systems, thereby enabling further insights into the biochemical consequences of AGEs.
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Affiliation(s)
- Harveen Kaur
- School
of Chemical Sciences, The University of Auckland, 23 Symonds
Street, Auckland, 1142, New Zealand
| | - Meder Kamalov
- Institute
of Biological Chemistry, Faculty of Chemistry, University of Vienna, Währinger Straße 38, 1090 Vienna, Austria
| | - Margaret A. Brimble
- School
of Chemical Sciences, The University of Auckland, 23 Symonds
Street, Auckland, 1142, New Zealand
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Abstract
Unusual amino acids are fundamental building blocks of modern medicinal chemistry. The combination of readily functionalized amine and carboxyl groups attached to a chiral central core along with one or two potentially diverse side chains provides a unique three-dimensional structure with a high degree of functionality. This makes them invaluable as starting materials for syntheses of complex molecules, highly diverse elements for SAR campaigns, integral components of peptidomimetic drugs, and potential drugs on their own. This Perspective highlights the diversity of unnatural amino acid structures found in hit-to-lead and lead optimization campaigns and clinical stage and approved drugs, reflecting their increasingly important role in medicinal chemistry.
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Affiliation(s)
- Mark A T Blaskovich
- Institute for Molecular Bioscience, The University of Queensland , Brisbane, Queensland Australia 4072
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