1
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Tang J, Lu F, Zhang X, Gao Z, Gong S, Zhang E. Backbone-Enabled and Ester Groups Switched δ-C(sp 2)-H Amination/Fluorination: Cyclic Dipeptides Synthesis. Org Lett 2024; 26:5130-5135. [PMID: 38843448 DOI: 10.1021/acs.orglett.4c01540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
An efficient and concise strategy for the synthesis of cyclic dipeptides via Pd-catalyzed site-selective δ-C(sp2)-H amination/fluorination and N-to-C cyclization is disclosed. The backbone amides within the dipeptides serves as endogenous directing groups, while the desired products were switched by the C-terminal ester group. This chemistry presents a novel and robust alternative to construct cyclodipeptide fragments.
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Affiliation(s)
- Jian Tang
- Key Laboratory of Catalytic Conversion and Clean Energy in Universities of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, P. R. China
- Shengzhou Innovation Research Institute, Zhejiang Sci-Tech University, Shengzhou 312400, P. R. China
| | - Fengjie Lu
- Key Laboratory of Catalytic Conversion and Clean Energy in Universities of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, P. R. China
| | - Xinyi Zhang
- Key Laboratory of Catalytic Conversion and Clean Energy in Universities of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, P. R. China
| | - Zhenqi Gao
- Key Laboratory of Catalytic Conversion and Clean Energy in Universities of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, P. R. China
| | - Shuo Gong
- Key Laboratory of Catalytic Conversion and Clean Energy in Universities of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, P. R. China
| | - Ensheng Zhang
- Key Laboratory of Catalytic Conversion and Clean Energy in Universities of Shandong Province, School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, P. R. China
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2
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Akintelu SA, Zhang Q, Yao B. Postassembly Modification of Peptides by Histidine-Directed β-C(sp 3)-H Arylation of Alanine at the Internal Positions: Overcoming the Inhibitory Effect of Peptide Bonds. Org Lett 2024; 26:3991-3996. [PMID: 38691578 DOI: 10.1021/acs.orglett.4c01250] [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: 05/03/2024]
Abstract
Peptide modification by C(sp3)-H functionalization of residues at the internal positions remains underdeveloped due to the inhibitory effect of backbone amides. In this study, using histidine (His) as an endogenous directing group, we developed a novel method for the β-C(sp3)-H functionalization of alanine (Ala) at diverse positions of peptides. Through this approach, a wide range of linear peptides were modified on the side-chain of Ala adjacent to His to afford the functionalized peptides in moderate to good yield and excellent position selectivity. Furthermore, conjugation of peptides with functional molecules such as glucuronide, oleanolic acid, dipeptide, and fluorophore derivatives was achieved.
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Affiliation(s)
- Sunday A Akintelu
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic-Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China
| | - Qi Zhang
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic-Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China
| | - Bo Yao
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic-Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China
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3
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Ding XX, Ren BQ, Li BT, Pang ZJ, Xu YJ, Dong L. Pd(II)-Catalyzed β-C(sp 3)-H Alkynylation of Alanine in Di- and Tripeptides with Asn as an Endogenous Directing Group. J Org Chem 2024; 89:3390-3402. [PMID: 38377557 DOI: 10.1021/acs.joc.3c02823] [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: 02/22/2024]
Abstract
The introduction of alkyne moieties into peptides remains in demand as it represents a promising approach for further structural diversification of peptides. Herein, we describe the Pd(II)-catalyzed C(sp3)-H alkynylation of Ala-Asn-embedded di- and tripeptides using Asn as the endogenous lead group. In addition, a key building block for the glycopeptide Tyc4PG-14 and Tyc4PG-15 was produced by our methodology.
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Affiliation(s)
- Xing-Xing Ding
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
- College of Chemistry and Material Science, Sichuan Normal University, Chengdu, Sichuan 610066, China
| | - Bo-Quan Ren
- College of Chemistry and Material Science, Sichuan Normal University, Chengdu, Sichuan 610066, China
| | - Bing-Tong Li
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Zhao-Jiong Pang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Yan-Jun Xu
- College of Chemistry and Material Science, Sichuan Normal University, Chengdu, Sichuan 610066, China
| | - Lin Dong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
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4
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Song X, Bai S, Li Y, Yi T, Long X, Pu Q, Dang T, Ma M, Ren Q, Qin X. Expedient and divergent synthesis of unnatural peptides through cobalt-catalyzed diastereoselective umpolung hydrogenation. SCIENCE ADVANCES 2023; 9:eadk4950. [PMID: 38117889 PMCID: PMC10732522 DOI: 10.1126/sciadv.adk4950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 11/20/2023] [Indexed: 12/22/2023]
Abstract
The development of a reliable method for asymmetric synthesis of unnatural peptides is highly desirable and particularly challenging. In this study, we present a versatile and efficient approach that uses cobalt-catalyzed diastereoselective umpolung hydrogenation to access noncanonical aryl alanine peptides. This protocol demonstrates good tolerance toward various functional groups, amino acid sequences, and peptide lengths. Moreover, the versatility of this reaction is illustrated by its successful application in the late-stage functionalization and formal synthesis of various representative chiral natural products and pharmaceutical scaffolds. This strategy eliminates the need for synthesizing chiral noncanonical aryl alanines before peptide formation, and the hydrogenation reaction does not result in racemization or epimerization. The underlying mechanism was extensively explored through deuterium labeling, control experiments, HRMS identification, and UV-Vis spectroscopy, which supported a reasonable CoI/CoIII catalytic cycle. Notably, acetic acid and methanol serve as safe and cost-effective hydrogen sources, while indium powder acts as the terminal electron source.
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Affiliation(s)
- Xinjian Song
- Engineering Research Center of Coptis Development and Utilization, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, 2 Tiansheng Road, Chongqing, 400715, P. R. China
| | - Shuangyi Bai
- Engineering Research Center of Coptis Development and Utilization, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, 2 Tiansheng Road, Chongqing, 400715, P. R. China
| | - Yuan Li
- Engineering Research Center of Coptis Development and Utilization, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, 2 Tiansheng Road, Chongqing, 400715, P. R. China
| | - Tong Yi
- Engineering Research Center of Coptis Development and Utilization, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, 2 Tiansheng Road, Chongqing, 400715, P. R. China
| | - Xinyu Long
- Engineering Research Center of Coptis Development and Utilization, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, 2 Tiansheng Road, Chongqing, 400715, P. R. China
| | - Qinghua Pu
- Engineering Research Center of Coptis Development and Utilization, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, 2 Tiansheng Road, Chongqing, 400715, P. R. China
| | - Ting Dang
- Engineering Research Center of Coptis Development and Utilization, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, 2 Tiansheng Road, Chongqing, 400715, P. R. China
| | - Mengjie Ma
- Engineering Research Center of Coptis Development and Utilization, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, 2 Tiansheng Road, Chongqing, 400715, P. R. China
| | - Qiao Ren
- Engineering Research Center of Coptis Development and Utilization, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, 2 Tiansheng Road, Chongqing, 400715, P. R. China
| | - Xurong Qin
- Engineering Research Center of Coptis Development and Utilization, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, 2 Tiansheng Road, Chongqing, 400715, P. R. China
- State Key Laboratory of Medicinal Chemical Biology, Nankai University, No. 94 Wei Jin Road, Tianjin, 300071, P. R. China
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5
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Nanjo T, Matsumoto A, Oshita T, Takemoto Y. Synthesis of Chlorinated Oligopeptides via γ- and δ-Selective Hydrogen Atom Transfer Enabled by the N-Chloropeptide Strategy. J Am Chem Soc 2023; 145:19067-19075. [PMID: 37594470 DOI: 10.1021/jacs.3c06931] [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: 08/19/2023]
Abstract
The introduction of a chlorine atom could potentially endow peptide derivatives with notable bioactivity and applicability. However, despite considerable recent progress in C(sp3)-H functionalization chemistry, a general method for the site-selective chlorination of inert aliphatic C-H bonds in peptides still remains elusive. Herein, we report a site-selective C(sp3)-H chlorination of oligopeptides based on an N-chloropeptide strategy. N-chloropeptides, which are easily prepared from the corresponding native oligopeptides, are smoothly degraded in the presence of an appropriate copper catalyst, and a subsequent 1,5-hydrogen atom transfer affords γ- or δ-chlorinated peptides in excellent yield. A wide variety of amino acid residues can thus be site-selectively chlorinated in a predictable manner. This method hence enables the efficient synthesis of otherwise less accessible, chlorine-containing peptide fragments of natural peptides. We moreover demonstrate here the successful estimation of the stereochemistry of the chlorinated carbon atom in aquimarin A. Furthermore, we reveal that side-chain-chlorinated peptides can serve as highly useful substructures with a fine balance between stability and reactivity, which renders them promising targets for synthetic and medicinal applications.
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Affiliation(s)
- Takeshi Nanjo
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan
| | - Ayaka Matsumoto
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan
| | - Takuma Oshita
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan
| | - Yoshiji Takemoto
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan
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6
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Wang P, Liu J, Zhu X, Yan Z, Yan J, Jiang J, Fu M, Ge J, Zhu Q, Zheng Y. Modular synthesis of clickable peptides via late-stage maleimidation on C(7)-H tryptophan. Nat Commun 2023; 14:3973. [PMID: 37407547 DOI: 10.1038/s41467-023-39703-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 06/20/2023] [Indexed: 07/07/2023] Open
Abstract
Cyclic peptides have attracted tremendous attention in the pharmaceutical industry owing to their excellent cell penetrability, stability, thermostability, and drug-like properties. However, the currently available facile methodologies for creating such peptides are rather limited. Herein, we report an efficient and direct peptide cyclization via rhodium(III)-catalyzed C(7)-H maleimidation. Notably, this catalytical system has excellent regioselectivity and high tolerance of functional groups which enable late-stage cyclization of peptides. This architecture of cyclic peptides exhibits higher bioactivity than its parent linear peptides. Moreover, the Trp-substituted maleimide displays excellent reactivity toward Michael addition, indicating its potential as a click functional group for applications in chemical biology and medicinal chemistry. As a proof of principle, RGD-GFLG-DOX, which is a peptide-drug-conjugate, is constructed and it displays a strong binding affinity and high antiproliferative activity toward integrin-αvβ3 overexpressed cancer cell lines. The proposed strategy for rapid preparation of stapled peptides would be a robust tool for creating peptide-drug conjugates.
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Affiliation(s)
- Peng Wang
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Jiang Liu
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Xiaomei Zhu
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Zhengqing Yan
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Jiahui Yan
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Jitong Jiang
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Manlin Fu
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Jingyan Ge
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Qing Zhu
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014, China.
| | - Yuguo Zheng
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014, China
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7
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Docherty JH, Lister TM, Mcarthur G, Findlay MT, Domingo-Legarda P, Kenyon J, Choudhary S, Larrosa I. Transition-Metal-Catalyzed C-H Bond Activation for the Formation of C-C Bonds in Complex Molecules. Chem Rev 2023. [PMID: 37163671 DOI: 10.1021/acs.chemrev.2c00888] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Site-predictable and chemoselective C-H bond functionalization reactions offer synthetically powerful strategies for the step-economic diversification of both feedstock and fine chemicals. Many transition-metal-catalyzed methods have emerged for the selective activation and functionalization of C-H bonds. However, challenges of regio- and chemoselectivity have emerged with application to highly complex molecules bearing significant functional group density and diversity. As molecular complexity increases within molecular structures the risks of catalyst intolerance and limited applicability grow with the number of functional groups and potentially Lewis basic heteroatoms. Given the abundance of C-H bonds within highly complex and already diversified molecules such as pharmaceuticals, natural products, and materials, design and selection of reaction conditions and tolerant catalysts has proved critical for successful direct functionalization. As such, innovations within transition-metal-catalyzed C-H bond functionalization for the direct formation of carbon-carbon bonds have been discovered and developed to overcome these challenges and limitations. This review highlights progress made for the direct metal-catalyzed C-C bond forming reactions including alkylation, methylation, arylation, and olefination of C-H bonds within complex targets.
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Affiliation(s)
- Jamie H Docherty
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Thomas M Lister
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Gillian Mcarthur
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Michael T Findlay
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Pablo Domingo-Legarda
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Jacob Kenyon
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Shweta Choudhary
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Igor Larrosa
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
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8
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Twitty JC, Hong Y, Garcia B, Tsang S, Liao J, Schultz DM, Hanisak J, Zultanski SL, Dion A, Kalyani D, Watson MP. Diversifying Amino Acids and Peptides via Deaminative Reductive Cross-Couplings Leveraging High-Throughput Experimentation. J Am Chem Soc 2023; 145:5684-5695. [PMID: 36853652 PMCID: PMC10117303 DOI: 10.1021/jacs.2c11451] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
A deaminative reductive coupling of amino acid pyridinium salts with aryl bromides has been developed to enable efficient synthesis of noncanonical amino acids and diversification of peptides. This method transforms natural, commercially available lysine, ornithine, diaminobutanoic acid, and diaminopropanoic acid to aryl alanines and homologated derivatives with varying chain lengths. Attractive features include ability to transverse scales, tolerance of pharma-relevant (hetero)aryls and biorthogonal functional groups, and the applicability beyond monomeric amino acids to short and macrocyclic peptide substrates. The success of this work relied on high-throughput experimentation to identify complementary reaction conditions that proved critical for achieving the coupling of a broad scope of aryl bromides with a range of amino acid and peptide substrates including macrocyclic peptides.
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Affiliation(s)
- J. Cameron Twitty
- Department of Chemistry & Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Yun Hong
- Department of Chemistry & Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Bria Garcia
- Department of Chemistry & Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Stephanie Tsang
- Department of Chemistry & Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Jennie Liao
- Department of Chemistry & Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Danielle M. Schultz
- Department of Process Research & Development, Merck & Co., Inc., MRL, Rahway, NJ 07065, United States
| | - Jennifer Hanisak
- Discovery Chemistry, Merck & Co., Inc., Kenilworth, New Jersey 07033, United States
| | - Susan L. Zultanski
- Department of Process Research & Development, Merck & Co., Inc., MRL, Rahway, NJ 07065, United States
| | - Amelie Dion
- Department of Process Research & Development, Merck & Co., Inc., MRL, Rahway, NJ 07065, United States
| | - Dipannita Kalyani
- Discovery Chemistry, Merck & Co., Inc., Kenilworth, New Jersey 07033, United States
| | - Mary P. Watson
- Department of Chemistry & Biochemistry, University of Delaware, Newark, Delaware 19716, United States
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9
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Weng Y, Zhan X, Zhang Y, Lin W. Palladium-Catalyzed C(sp 2)-H Arylation of Peptides Directed by Aspartic Acid. J Org Chem 2023; 88:2334-2343. [PMID: 36709459 DOI: 10.1021/acs.joc.2c02755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Herein, we report a palladium-catalyzed C(sp2)-H di- or monoarylation of short peptides containing N-terminal benzamide groups using aspartic acid (Asp) as an endogenous directing group. This strategy has the following merits: a broad substrate scope, selective diarylation of peptides, and gram-scale synthesis. Furthermore, this strategy can be successfully utilized to synthesize peptide-peptide conjugates.
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Affiliation(s)
- Yiyi Weng
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Xuecheng Zhan
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Yiyang Zhang
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Wen Lin
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P. R. China
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10
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Weng Y, Xu X, Chen H, Zhang Y, Zhuo X. Tandem Electrochemical Oxidative Azidation/Heterocyclization of Tryptophan‐Containing Peptides under Buffer Conditions. Angew Chem Int Ed Engl 2022; 61:e202206308. [DOI: 10.1002/anie.202206308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Yiyi Weng
- College of Pharmaceutical Sciences Zhejiang University of Technology 310014 Hangzhou P.R. China
| | - Xiaobin Xu
- College of Pharmaceutical Sciences Zhejiang University of Technology 310014 Hangzhou P.R. China
| | - Hantao Chen
- College of Pharmaceutical Sciences Zhejiang University of Technology 310014 Hangzhou P.R. China
| | - Yiyang Zhang
- College of Pharmaceutical Sciences Zhejiang University of Technology 310014 Hangzhou P.R. China
| | - Xianfeng Zhuo
- College of Pharmaceutical Sciences Zhejiang University of Technology 310014 Hangzhou P.R. China
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11
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Weng Y, Xu X, Chen H, Zhang Y, Zhuo X. Tandem Electrochemical Oxidative Azidation/Heterocyclization of Tryptophan‐Containing Peptides under Buffer Conditions. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202206308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yiyi Weng
- Zhejiang University of Technology College of Pharmaceutical Science Chaowang road 18 310014 Hangzhou CHINA
| | - Xiaobin Xu
- Zhejiang University of Technology College of Pharmaceutical Sciences CHINA
| | - Hantao Chen
- Zhejiang University of Technology College of Pharmaceutical Sciences CHINA
| | - Yiyang Zhang
- Zhejiang University of Technology College of Pharmaceutical Sciences CHINA
| | - Xianfeng Zhuo
- Zhejiang University of Technology College of Pharmaceutical Sciences CHINA
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12
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Li G, Yuan F, Yao B. Post-Assembly Modification of Head-to-Tail Cyclic Peptides by Methionine-Directed β-C(sp 3)-H Arylation. Org Lett 2022; 24:5767-5771. [PMID: 35916500 DOI: 10.1021/acs.orglett.2c02253] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Peptide modification by C(sp3)-H functionalization of internal residues remains a major challenge due to the inhibitory effect of peptide bonds. In this work, we developed a methionine-directed β-C(sp3)-H arylation method for internal alanine functionalization. By tuning the σC-C bond rotation of internal Ala through head-to-tail cyclization, we overcame the inhibitory effect and functionalized a wide range of head-to-tail cyclic peptides with aryl iodides with excellent position selectivity.
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Affiliation(s)
- Gang Li
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic-Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China
| | - Feipeng Yuan
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic-Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China
| | - Bo Yao
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic-Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China.,Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, Ministry of Industry and Information Technology, Beijing 102488, P. R. China
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13
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Chen X, Li B, Tong H, Qi L, He G, Chen G. Palladium‐catalyzed Methionine‐facilitated β and γ C(sp
3
)‐H Arylation of
N‐Terminal
Aliphatic Amino Acids of Peptides. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202200340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Xiangxiang Chen
- State Key Laboratory and Institute of Elemento‐Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
| | - Bo Li
- State Key Laboratory and Institute of Elemento‐Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
| | - Huarong Tong
- State Key Laboratory and Institute of Elemento‐Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
| | - Liping Qi
- State Key Laboratory and Institute of Elemento‐Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
| | - Gang He
- State Key Laboratory and Institute of Elemento‐Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
| | - Gong Chen
- State Key Laboratory and Institute of Elemento‐Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 China
- Haihe Laboratory of Sustainable Chemical Transformations Tianjin 300192 China
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14
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Garai S, Ghosh KG, Biswas A, Chowdhury S, Sureshkumar D. Diastereoselective palladium-catalyzed C(sp 3)-H cyanomethylation of amino acid and carboxylic acid derivatives. Chem Commun (Camb) 2022; 58:7793-7796. [PMID: 35735087 DOI: 10.1039/d2cc03106j] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In this study, we report an efficient protocol for Pd-catalyzed methylene β-C(sp3)-H cyanomethylation of 8-aminoquinoline-directed α-amino acids using inexpensive chloroacetonitrile. Iodoacetonitrile generated in situ from chloroacetonitrile reacts with methylene C(sp3)-H bonds of α-amino acids with excellent diastereoselectivity, enabling access to a wide range of important γ-cyano-α-amino acids. Our protocol works well with different amino acid and carboxylic acid derivatives with good chemical yields and high functional group tolerance.
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Affiliation(s)
- Sumit Garai
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal 741246, India.
| | - Krishna Gopal Ghosh
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal 741246, India.
| | - Ashik Biswas
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal 741246, India.
| | - Sushobhan Chowdhury
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow-226031, India
| | - Devarajulu Sureshkumar
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal 741246, India.
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Suseelan Sarala A, Bhowmick S, Carvalho RL, Al‐Thabaiti SA, Mokhtar M, Silva Júnior EN, Maiti D. Transition‐Metal‐Catalyzed Selective Alkynylation of C−H Bonds. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100992] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Anjana Suseelan Sarala
- Department of Chemistry Indian Institute of Technology Bombay Powai 400076 Mumbai India
- Department of Chemistry Saarland University 66123 Saarbrucken Germany
| | - Suman Bhowmick
- Department of Chemistry Indian Institute of Technology Bombay Powai 400076 Mumbai India
| | - Renato L. Carvalho
- Department of Chemistry Federal University of Minas Gerais 31270-901 Belo Horizonte MG Brazil
| | | | - Mohamed Mokhtar
- Chemistry Department Faculty of Science King Abdulaziz University 21589 Jeddah Saudi Arabia
| | | | - Debabrata Maiti
- Department of Chemistry Indian Institute of Technology Bombay Powai 400076 Mumbai India
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