1
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Sato K, Umeno T, Ueda A, Kato T, Doi M, Tanaka M. Asymmetric 1,4-Addition Reactions Catalyzed by N-Terminal Thiourea-Modified Helical l-Leu Peptide with Cyclic Amino Acids. Chemistry 2021; 27:11216-11220. [PMID: 34028101 DOI: 10.1002/chem.202101252] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Indexed: 11/12/2022]
Abstract
N-terminal thiourea-modified l-Leu-based peptide {(3,5-diCF3 Ph)NHC(=S)-(l-Leu-l-Leu-Ac5 c)2 -OMe} with five-membered ring α,α-disubstituted α-amino acids (Ac5 c) catalyzed a highly enantioselective 1,4-addition reaction between β-nitrostyrene and dimethyl malonate. The enantioselective reaction required only 0.5 mol % chiral peptide-catalyst in the presence of i Pr2 EtN (2.5 equiv.), and gave a 1,4-adduct with 93 % ee of an 85 % yield. As Michael acceptors, various β-nitrostyrene derivatives such as methyl, p-fluoro, p-bromo, and p-methoxy substituents on the phenyl group, 2-furyl, 2-thiophenyl, and naphthyl β-nitroethylenes could be applied. Furthermore, various alkyl malonates and cyclic β-keto-esters could be used as Michael donors. It became clear that the length of the peptide chain, a right-handed helical structure, amide N-Hs, and the N-terminal thiourea moiety play crucial roles in asymmetric induction.
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Affiliation(s)
- Kazuki Sato
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, 8528521, Japan
| | - Tomohiro Umeno
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, 8528521, Japan
| | - Atsushi Ueda
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, 8528521, Japan
| | - Takuma Kato
- Osaka Medical and Pharmaceutical University, Osaka, 5698686, Japan
| | - Mitsunobu Doi
- Osaka Medical and Pharmaceutical University, Osaka, 5698686, Japan
| | - Masakazu Tanaka
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, 8528521, Japan
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2
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Ueda A, Ikeda M, Kasae T, Doi M, Demizu Y, Oba M, Tanaka M. Synthesis of Chiral α‐Trifluoromethyl α,α‐Disubstituted α‐Amino Acids and Conformational Analysis of L‐Leu‐Based Peptides with (
R
)‐ or (
S
)‐α‐Trifluoromethylalanine. ChemistrySelect 2020. [DOI: 10.1002/slct.202002888] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Atsushi Ueda
- Graduate School of Biomedical Sciences Nagasaki University Nagasaki 852-8521 Japan
| | - Misuzu Ikeda
- Graduate School of Biomedical Sciences Nagasaki University Nagasaki 852-8521 Japan
| | - Takuya Kasae
- Graduate School of Biomedical Sciences Nagasaki University Nagasaki 852-8521 Japan
| | - Mitsunobu Doi
- Osaka University of Pharmaceutical Sciences Osaka 569-1094 Japan
| | - Yosuke Demizu
- Division of Organic Chemistry National Institute of Health Sciences Kawasaki 210 9501 Japan
| | - Makoto Oba
- Kyoto Prefectural University of Medicine Kyoto 606-0823 Japan
| | - Masakazu Tanaka
- Graduate School of Biomedical Sciences Nagasaki University Nagasaki 852-8521 Japan
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3
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Umeno T, Ueda A, Doi M, Kato T, Oba M, Tanaka M. Helical foldamer-catalyzed enantioselective 1,4-addition reaction of dialkyl malonates to cyclic enones. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.151301] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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4
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Koba Y, Ueda A, Oba M, Doi M, Kato T, Demizu Y, Tanaka M. Left-Handed Helix of Three-Membered Ring Amino Acid Homopeptide Interrupted by an N-H···Ethereal O-Type Hydrogen Bond. Org Lett 2018; 20:7830-7834. [PMID: 30499676 DOI: 10.1021/acs.orglett.8b03331] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A chiral three-membered ring Cα,α-disubstituted α-amino acid ( R, R)-Ac3cdMOM, in which the α-carbon is not a chiral center, but two side chain β-carbons are chiral centers, was synthesized from dimethyl l-(+)-tartrate, and its homopeptides were prepared. X-ray crystallographic analysis of ( R, R)-Ac3cdMOM pentapeptide showed bent left-handed ( M) 310-helical structures with an unusual intramolecular hydrogen bond of the N-H···O (ethereal) type. The left-handedness of the bent helices was exclusively controlled by the side-chain β-carbon chiral centers.
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Affiliation(s)
- Yurie Koba
- Graduate School of Biomedical Sciences , Nagasaki University , 1-14 Bukyo-machi , Nagasaki 852-8521 , Japan
| | - Atsushi Ueda
- Graduate School of Biomedical Sciences , Nagasaki University , 1-14 Bukyo-machi , Nagasaki 852-8521 , Japan
| | - Makoto Oba
- Graduate School of Biomedical Sciences , Nagasaki University , 1-14 Bukyo-machi , Nagasaki 852-8521 , Japan
| | - Mitsunobu Doi
- Osaka University of Pharmaceutical Sciences , Osaka 569-1094 , Japan
| | - Takuma Kato
- Osaka University of Pharmaceutical Sciences , Osaka 569-1094 , Japan
| | - Yosuke Demizu
- Division of Organic Chemistry , National Institute of Health Sciences , Kawasaki 210-9501 , Japan
| | - Masakazu Tanaka
- Graduate School of Biomedical Sciences , Nagasaki University , 1-14 Bukyo-machi , Nagasaki 852-8521 , Japan
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5
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Almaaytah A, Qaoud MT, Khalil Mohammed G, Abualhaijaa A, Knappe D, Hoffmann R, Al-Balas Q. Antimicrobial and Antibiofilm Activity of UP-5, an Ultrashort Antimicrobial Peptide Designed Using Only Arginine and Biphenylalanine. Pharmaceuticals (Basel) 2018; 11:ph11010003. [PMID: 29301331 PMCID: PMC5874699 DOI: 10.3390/ph11010003] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 12/17/2017] [Accepted: 12/27/2017] [Indexed: 12/23/2022] Open
Abstract
The recent upsurge of multidrug resistant bacteria (MDRB) among global communities has become one of the most serious challenges facing health professionals and the human population worldwide. Cationic ultrashort antimicrobial peptides (USAMPs) are a promising group of molecules that meet the required criteria of novel antimicrobial drug development. UP-5, a novel penta-peptide, displayed significant antimicrobial activities against various standard and clinical isolates of MDRB. UP-5 displayed MICs values within the range of (10–15 μM) and (55–65 μM) against Gram-positive and Gram-negative bacteria, respectively. Furthermore, UP-5 displayed antibiofilm activity with minimum biofilm eradication concentration (MBEC) value as equal to twofold higher than MIC value. At the same inhibitory concentrations, UP-5 exhibited very low or negligible toxicity toward human erythrocytes and mammalian cells. Combining UP-5 with conventional antibiotics led to a synergistic or additive mode of action that resulted in the reduction of the MIC values for some of the antibiotics by 99.7% along a significant drop in MIC values of the peptide. The stability profile of UP-5 was evaluated in full mouse plasma and serum with results indicating a more stable pattern in plasma. The present study indicates that USAMPs are promising antimicrobial agents that can avoid the negative characteristics of conventional antimicrobial peptides. Additionally, USAMPs exhibit good to moderate activity against MDRB, negligible toxicity, and synergistic outcomes in combination with conventional antimicrobial agents.
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Affiliation(s)
- Ammar Almaaytah
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid 22110, Jordan.
| | - Mohammed T Qaoud
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid 22110, Jordan.
| | - Gubran Khalil Mohammed
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid 22110, Jordan.
| | - Ahmad Abualhaijaa
- Department of Applied Biological Sciences, Faculty of Science and Arts, Jordan University of Science and Technology, Irbid 22110 Jordan.
| | - Daniel Knappe
- Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy and Center for Biotechnology and Biomedicine, Universität Leipzig, Deutscher Platz 5, 04103 Leipzig, Germany.
| | - Ralf Hoffmann
- Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy and Center for Biotechnology and Biomedicine, Universität Leipzig, Deutscher Platz 5, 04103 Leipzig, Germany.
| | - Qosay Al-Balas
- Department of Medicinal Chemistry, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid 22110, Jordan.
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6
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Eto R, Oba M, Ueda A, Uku T, Doi M, Matsuo Y, Tanaka T, Demizu Y, Kurihara M, Tanaka M. Diastereomeric Right- and Left-Handed Helical Structures with Fourteen (R)-Chiral Centers. Chemistry 2017; 23:18120-18124. [PMID: 29134704 DOI: 10.1002/chem.201705306] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Indexed: 12/31/2022]
Abstract
The relationship between chiral centers and the helical-screw control of their peptides has already been reported, but it has yet to be elucidated in detail. A chiral four-membered ring α,α-disubstituted α-amino acid with a (R,R)-butane-2,3-diol acetal moiety at the γ-position, but no α-chiral carbon, was synthesized. X-ray crystallographic analysis unambiguously revealed that its homo-chiral heptapeptide formed right-handed (P) and left-handed (M) 310 -helical structures at a ratio of 1:1. They appeared to be enantiomeric at the peptide backbone, but diastereomeric with fourteen (R)-configuration chiral centers. Conformational analyses of homopeptides in solution also indicated that diastereomeric (P) and (M) helices existed at approximately equal amounts, with a slight preference toward right-handedness, and they quickly interchanged at room temperature. The circumstances of chiral centers are important for the control of their helical-screw direction.
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Affiliation(s)
- Ryo Eto
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, 852-8521, Japan
| | - Makoto Oba
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, 852-8521, Japan
| | - Atsushi Ueda
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, 852-8521, Japan
| | - Tsubasa Uku
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, 852-8521, Japan
| | - Mitsunobu Doi
- Osaka University of Pharmaceutical Sciences, Osaka, 569-1094, Japan
| | - Yosuke Matsuo
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, 852-8521, Japan
| | - Takashi Tanaka
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, 852-8521, Japan
| | - Yosuke Demizu
- National Institute of Health Sciences, Tokyo, 158-8501, Japan
| | - Masaaki Kurihara
- Graduate School of Pharmaceutical Sciences, International University of Health and Welfare, Ohtawara, 324-8501, Japan
| | - Masakazu Tanaka
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, 852-8521, Japan
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7
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Koba Y, Ueda A, Oba M, Doi M, Demizu Y, Kurihara M, Tanaka M. Helical l
-Leu-Based Peptides Having Chiral Five-Membered Carbocyclic Ring Amino Acids with an Ethylene Acetal Moiety. ChemistrySelect 2017. [DOI: 10.1002/slct.201700832] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yurie Koba
- Graduate School of Biomedical Sciences; Nagasaki University, 1-14 Bunkyo-machi; Nagasaki 852-8521 Japan
| | - Atsushi Ueda
- Graduate School of Biomedical Sciences; Nagasaki University, 1-14 Bunkyo-machi; Nagasaki 852-8521 Japan
| | - Makoto Oba
- Graduate School of Biomedical Sciences; Nagasaki University, 1-14 Bunkyo-machi; Nagasaki 852-8521 Japan
| | - Mitsunobu Doi
- Osaka University of Pharmaceutical Sciences; Osaka 569-1094 Japan
| | - Yosuke Demizu
- Division of Organic Chemistry; National Institute of Health Sciences; Tokyo 158-8501 Japan
| | - Masaaki Kurihara
- Graduate School of Pharmaceutical Sciences; International University of Health and Welfare; Ohtawara 324-8501 Japan
| | - Masakazu Tanaka
- Graduate School of Biomedical Sciences; Nagasaki University, 1-14 Bunkyo-machi; Nagasaki 852-8521 Japan
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8
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St-Cyr DJ, García-Ramos Y, Doan ND, Lubell WD. Aminolactam, N-Aminoimidazolone, and N-Aminoimdazolidinone Peptide Mimics. TOPICS IN HETEROCYCLIC CHEMISTRY 2017. [DOI: 10.1007/7081_2017_204] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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9
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Umeno T, Ueda A, Oba M, Doi M, Hirata T, Suemune H, Tanaka M. Helical structures of l-Leu-based peptides having chiral six-membered ring amino acids. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.04.040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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10
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Demizu Y, Doi M, Yamashita H, Misawa T, Oba M, Kurihara M, Suemune H, Tanaka M. The side-chain hydroxy groups of a cyclic α,α-disubstituted α-amino acid promote oligopeptide 310 -helix packing in the crystalline state. Biopolymers 2016; 106:757-68. [PMID: 27237543 DOI: 10.1002/bip.22881] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Revised: 05/09/2016] [Accepted: 05/23/2016] [Indexed: 01/08/2023]
Abstract
A single chiral cyclic α,α-disubstituted amino acid with side-chain methoxymethyl (MOM) protecting groups, (3S,4S)-1-amino-(3,4-dimethoxymethoxy)cyclopentanecarboxylic acid [(S, S)-Ac5 c(dOMOM) ], or side-chain hydroxy groups, (3S,4S)-1-amino-(3,4-dihydroxy)cyclopentanecarboxylic acid [(S, S)-Ac5 c(dOH) ], was attached to the N-terminal or C-terminal position of α-aminoisobutyric acid (Aib) tetrapeptide segments; i.e., we designed and synthesized four pentapeptides, Cbz-[(S, S)-Ac5 c(dOMOM) ]-(Aib)4 -OEt (1), Cbz-[(S, S)-Ac5 c(dOH) ]-(Aib)4 -OEt (2), Cbz-(Aib)4 -[(S, S)-Ac5 c(dOMOM) ]-OMe (3), and Cbz-(Aib)4 -[(S, S)-Ac5 c(dOH) ]-OMe (4). We then analyzed the peptides' structures in the crystalline state. The four peptides all folded into 310 -helical structures; 1 formed a left-handed (M) 310 -helix, 2 formed a mixture of right-handed (P) and (M) 310 -helices, 3 formed a mixture of (P) and (M) 310 -helices, and 4 formed a (P) 310 -helix, respectively. In packing mode, the molecules of peptides 1 and 3, which both possessed an Ac5 c(dOMOM) residue, were connected by intermolecular hydrogen bonds along the peptide backbone (NH···O type). On the other hand, the packing of peptides 2 and 4, which both contained an Ac5 c(dOH) residue, was based on intermolecular hydrogen bonds derived from both the peptide backbone and the side-chain hydroxy groups of the amino acid Ac5 c(dOH) (OH···O type). © 2016 Wiley Periodicals, Inc. Biopolymers (Pept Sci) 106: 757-768, 2016.
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Affiliation(s)
- Yosuke Demizu
- Division of Organic Chemistry, National Institute of Health Sciences, Tokyo, 158-8501, Japan.
| | - Mitsunobu Doi
- Osaka University of Pharmaceutical Sciences, Osaka, 569-1094, Japan
| | - Hiroko Yamashita
- Division of Organic Chemistry, National Institute of Health Sciences, Tokyo, 158-8501, Japan
| | - Takashi Misawa
- Division of Organic Chemistry, National Institute of Health Sciences, Tokyo, 158-8501, Japan
| | - Makoto Oba
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-Machi, Nagasaki, 852-8521, Japan
| | - Masaaki Kurihara
- Division of Organic Chemistry, National Institute of Health Sciences, Tokyo, 158-8501, Japan
| | - Hiroshi Suemune
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Masakazu Tanaka
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-Machi, Nagasaki, 852-8521, Japan
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11
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Karageorgis G, Dow M, Aimon A, Warriner S, Nelson A. Activity-Directed Synthesis with Intermolecular Reactions: Development of a Fragment into a Range of Androgen Receptor Agonists. Angew Chem Int Ed Engl 2015; 54:13538-44. [PMID: 26358926 PMCID: PMC4648041 DOI: 10.1002/anie.201506944] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2015] [Indexed: 11/09/2022]
Abstract
Activity-directed synthesis (ADS), a novel discovery approach in which bioactive molecules emerge in parallel with associated syntheses, was exploited to develop a weakly binding fragment into novel androgen receptor agonists. Harnessing promiscuous intermolecular reactions of carbenoid compounds enabled highly efficient exploration of chemical space. Four substrates were prepared, yet exploited in 326 reactions to explore diverse chemical space; guided by bioactivity alone, the products of just nine of the reactions were purified to reveal diverse novel agonists with up to 125-fold improved activity. Remarkably, one agonist stemmed from a novel enantioselective transformation; this is the first time that an asymmetric reaction has been discovered solely on the basis of the biological activity of the product. It was shown that ADS is a significant addition to the lead generation toolkit, enabling the efficient and rapid discovery of novel, yet synthetically accessible, bioactive chemotypes.
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Affiliation(s)
- George Karageorgis
- School of Chemistry and Astbury Centre for Structural Molecular Biology, University of LeedsLeeds, LS2 9JT (UK) E-mail:
| | - Mark Dow
- School of Chemistry and Astbury Centre for Structural Molecular Biology, University of LeedsLeeds, LS2 9JT (UK) E-mail:
| | - Anthony Aimon
- School of Chemistry and Astbury Centre for Structural Molecular Biology, University of LeedsLeeds, LS2 9JT (UK) E-mail:
| | - Stuart Warriner
- School of Chemistry and Astbury Centre for Structural Molecular Biology, University of LeedsLeeds, LS2 9JT (UK) E-mail:
| | - Adam Nelson
- School of Chemistry and Astbury Centre for Structural Molecular Biology, University of LeedsLeeds, LS2 9JT (UK) E-mail:
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12
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Karageorgis G, Dow M, Aimon A, Warriner S, Nelson A. Activity-Directed Synthesis with Intermolecular Reactions: Development of a Fragment into a Range of Androgen Receptor Agonists. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201506944] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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13
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Hirata T, Ueda A, Oba M, Doi M, Demizu Y, Kurihara M, Nagano M, Suemune H, Tanaka M. Amino equatorial effect of a six-membered ring amino acid on its peptide 310- and α-helices. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.02.075] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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14
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Kotha S, Bandi V. Diversity Oriented Approach to Phenylalanine Derivatives via the Diels-Alder Reaction Involving Sulfolene Intermediates. HETEROCYCLES 2015. [DOI: 10.3987/com-14-s(k)9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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15
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Oba M, Takazaki H, Kawabe N, Doi M, Demizu Y, Kurihara M, Kawakubo H, Nagano M, Suemune H, Tanaka M. Helical Peptide-Foldamers Having a Chiral Five-Membered Ring Amino Acid with Two Azido Functional Groups. J Org Chem 2014; 79:9125-40. [DOI: 10.1021/jo501493x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Makoto Oba
- Graduate
School of Biomedical Sciences, Nagasaki University, 1-14 Bukyo-machi, Nagasaki 852-8521, Japan
| | - Hiroomi Takazaki
- Graduate
School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Naomi Kawabe
- Graduate
School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Mitsunobu Doi
- Osaka University of Pharmaceutical Sciences, Osaka 569-1094, Japan
| | - Yosuke Demizu
- Division
of Organic Chemistry, National Institute of Health Sciences, Tokyo 158-8501, Japan
| | - Masaaki Kurihara
- Division
of Organic Chemistry, National Institute of Health Sciences, Tokyo 158-8501, Japan
| | - Hiromu Kawakubo
- Department
of Pharmaceutical Sciences, Nihon Pharmaceutical University, Saitama 362-0806, Japan
| | - Masanobu Nagano
- Graduate
School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Hiroshi Suemune
- Graduate
School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Masakazu Tanaka
- Graduate
School of Biomedical Sciences, Nagasaki University, 1-14 Bukyo-machi, Nagasaki 852-8521, Japan
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16
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17
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Anan K, Demizu Y, Oba M, Kurihara M, Doi M, Suemune H, Tanaka M. Helical Structures of Bicyclicα-Amino Acid Homochiral Oligomers with the Stereogenic Centers at the Side-Chain Fused-Ring Junctions. Helv Chim Acta 2012. [DOI: 10.1002/hlca.201200403] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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18
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Demizu Y, Yabuki YU, Doi M, Sato Y, Tanaka M, Kurihara M. Conformations of helical Aib peptides containing a pair of l-amino acid and d-amino acid. J Pept Sci 2012; 18:466-75. [PMID: 22619002 DOI: 10.1002/psc.2418] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2012] [Revised: 04/18/2012] [Accepted: 04/20/2012] [Indexed: 11/06/2022]
Affiliation(s)
- Yosuke Demizu
- Division of Organic Chemistry; National Institute of Health Sciences; 1-18-1, Kamiyoga, Setagaya; Tokyo; 158-8501; Japan
| | - Yu-u Yabuki
- Division of Organic Chemistry; National Institute of Health Sciences; 1-18-1, Kamiyoga, Setagaya; Tokyo; 158-8501; Japan
| | - Mitsunobu Doi
- Osaka University of Pharmaceutical Sciences; Osaka; 569-1094; Japan
| | - Yukiko Sato
- Division of Organic Chemistry; National Institute of Health Sciences; 1-18-1, Kamiyoga, Setagaya; Tokyo; 158-8501; Japan
| | - Masakazu Tanaka
- Graduate School of Biomedical Sciences; Nagasaki University; 1-14 Bunkyo-machi; Nagasaki; 852-8521; Japan
| | - Masaaki Kurihara
- Division of Organic Chemistry; National Institute of Health Sciences; 1-18-1, Kamiyoga, Setagaya; Tokyo; 158-8501; Japan
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19
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van der Knaap M, Otero JM, Llamas-Saiz A, van Raaij MJ, Lageveen LI, Busscher HJ, Grotenbreg GM, van der Marel GA, Overkleeft HS, Overhand M. Design, synthesis and structural analysis of mixed α/β-peptides that adopt stable cyclic hairpin-like conformations. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.01.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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20
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Demizu Y, Doi M, Kurihara M, Maruyama T, Suemune H, Tanaka M. One-Handed Helical Screw Direction of Homopeptide Foldamer Exclusively Induced by Cyclic α-Amino Acid Side-Chain Chiral Centers. Chemistry 2012; 18:2430-9. [DOI: 10.1002/chem.201102902] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2011] [Indexed: 11/11/2022]
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21
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Liskamp RMJ, Rijkers DTS, Kruijtzer JAW, Kemmink J. Peptides and proteins as a continuing exciting source of inspiration for peptidomimetics. Chembiochem 2011; 12:1626-53. [PMID: 21751324 DOI: 10.1002/cbic.201000717] [Citation(s) in RCA: 131] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2010] [Indexed: 12/17/2022]
Abstract
Despite their enormous diversity in biological function and structure, peptides and proteins are endowed with properties that have induced and stimulated the development of peptidomimetics. Clearly, peptides can be considered as the "stem" of a phylogenetic molecular development tree from which branches of oligomeric peptidomimetics such as peptoids, peptidosulfonamides, urea peptidomimetics, as well as β-peptides have sprouted. It is still a challenge to efficiently synthesize these oligomeric species, and study their structural and biological properties. Combining peptides and peptidomimetics led to the emergence of peptide-peptidomimetic hybrids in which one or more (proteinogenic) amino acid residues have been replaced with these mimetic residues. In scan-like approaches, the influence of these replacements on biological activity can then be studied, to evaluate to what extent a peptide can be transformed into a peptidomimetic structure while maintaining, or even improving, its biological properties. A central issue, especially with the smaller peptides, is the lack of secondary structure. Important approaches to control secondary structure include the introduction of α,α-disubstituted amino acids, or (di)peptidomimetic structures such as the Freidinger lactam. Apart from intra-amino acid constraints, inter-amino acid constraints for formation of a diversity of cyclic peptides have shaped a thick branch. Apart from the classical disulfide bridges, the repertoire has been extended to include sulfide and triazole bridges as well as the single-, double- and even triple-bond replacements, accessible by the extremely versatile ring-closing alkene/alkyne metathesis approaches. The latter approach is now the method of choice for the secondary structure that presents the greatest challenge for structural stabilization: the α-helix.
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Affiliation(s)
- Rob M J Liskamp
- Medicinal Chemistry and Chemical Biology, Department of Pharmaceutical Sciences, Faculty of Science, Utrecht University, P.O. Box 80082, 3508 TB Utrecht, The Netherlands.
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22
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Li J, Chen SY, Li JJ, Wang H, Hernandez AS, Tao S, Musial CM, Qu F, Swartz S, Chao ST, Flynn N, Murphy BJ, Slusarchyk DA, Seethala R, Yan M, Sleph P, Grover G, Smith MA, Beehler B, Giupponi L, Dickinson KE, Zhang H, Humphreys WG, Patel BP, Schwinden M, Stouch T, Cheng PTW, Biller SA, Ewing WR, Gordon D, Robl JA, Tino JA. Discovery of a Tetrazole-Based Growth Hormone Secretagogue: 4-(Hydroxybutyl)carbamic Acid 2-{5-[1-(2-Amino-2-methylpropionylamino)-2- benzyloxyethyl]tetrazol-1-yl}ethyl Ester (BMS-317180). J Med Chem 2007; 50:5890-3. [DOI: 10.1021/jm7010595] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jun Li
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Stephanie Y. Chen
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - James J. Li
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Haixia Wang
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Andres S. Hernandez
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Shiwei Tao
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Christa M. Musial
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Fucheng Qu
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Stephen Swartz
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Sam T. Chao
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Neil Flynn
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Brian J. Murphy
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Dorothy A. Slusarchyk
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Ramakrishna Seethala
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Mujing Yan
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Paul Sleph
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Gary Grover
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Mark A. Smith
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Blake Beehler
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Leah Giupponi
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Kenneth E. Dickinson
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Hongjian Zhang
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - William G. Humphreys
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Bharat P. Patel
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Mark Schwinden
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Terry Stouch
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Peter T. W. Cheng
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Scott A. Biller
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - William R. Ewing
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - David Gordon
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Jeffrey A. Robl
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
| | - Joseph A. Tino
- Departments of Discovery Chemistry, Metabolic Diease, Metabolism and Pharmacokinetics, and Process Chemistry, Bristol-Myers Squibb Pharmaceutical Research Institute, Building 13, P.O. Box 5400, Princeton New Jersey 08543
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23
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Yamamoto Y, Hayashi H. Multi-component coupling synthesis of polycyclic pyrrole derivatives via Ir- and Rh-catalyzed cycloisomerizations with microwave heating. Tetrahedron 2007. [DOI: 10.1016/j.tet.2007.07.105] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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24
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Andrei M, Efskind J, Undheim K. A stereoselective synthesis of a spiro-bridged bis(α-amino acid) derivative based on Ru(II)-catalysed RCM reactions. Tetrahedron 2007. [DOI: 10.1016/j.tet.2007.03.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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25
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Moriuchi T, Fujiwara T, Hirao T. Complexation-induced conformational regulation of ferrocene-dipeptide conjugates to nucleate γ-turn-like structure. J Organomet Chem 2007. [DOI: 10.1016/j.jorganchem.2006.10.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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26
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Kuo PY, Shie TL, Chen YS, Lai JT, Yang DY. Enzyme inhibition potency enhancement by active site metal chelating and hydrogen bonding induced conformation-restricted cyclopropanecarbonyl derivatives. Bioorg Med Chem Lett 2006; 16:6024-7. [PMID: 16979340 DOI: 10.1016/j.bmcl.2006.08.125] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2006] [Revised: 07/19/2006] [Accepted: 08/30/2006] [Indexed: 11/25/2022]
Abstract
Two cyclopropanecarbonyl derivatives were independently found to be 15 and 14 times more potent than the corresponding isopropylcarbonyl analogues as inhibitors of 4-hydroxyphenylpyruvate dioxygenase and dihydroorotate dehydrogenase, respectively. A thorough examination of the co-crystal structures of available enzyme inhibitor complexes and the conformation of X-ray crystal structures of several synthesized cyclopropanecarbonyl derivatives revealed that this enhancement by one order of magnitude of inhibition potency exhibited by cyclopropanecarbonyl derivatives in both enzymes is probably caused by respective metal chelating and hydrogen bonding interactions at the ligand-receptor binding site. These specific interactions subsequently cause the cyclopropyl group of the molecules to adopt a fixed bisected conformation, which is unavailable for isopropylcarbonyl derivatives.
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Affiliation(s)
- Pei-Yu Kuo
- Department of Chemistry, Tunghai University, 181, Taichung-Kang Rd. Sec. 3, Taichung, Taiwan 407, Taiwan
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27
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Wang J, Falck-Pedersen ML, Rømming C, Undheim K. THE PAUSON-KHAND REACTION IN SYNTHESIS OF BICYCLIC RIGID α-AMINO ACIDS. SYNTHETIC COMMUN 2006. [DOI: 10.1081/scc-100103996] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Jing Wang
- a Department of Chemistry , University of Oslo , Oslo, N-0315, Norway
| | | | - Christian Rømming
- a Department of Chemistry , University of Oslo , Oslo, N-0315, Norway
| | - Kjell Undheim
- b Department of Chemistry , University of Oslo , Oslo, N-0315, Norway
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28
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Hummel G, Reineke U, Reimer U. Translating peptides into small molecules. MOLECULAR BIOSYSTEMS 2006; 2:499-508. [PMID: 17216031 DOI: 10.1039/b611791k] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Gerd Hummel
- Jerini AG, Invalidenstrasse 130, Berlin, 10115, Germany
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29
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Trabocchi A, Rolla M, Menchi G, Guarna A. Synthesis of a constrained tricyclic scaffold based on trans-4-hydroxy-l-proline. Tetrahedron Lett 2005. [DOI: 10.1016/j.tetlet.2005.09.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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30
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Crisma M, Deschamps JR, George C, Flippen-Anderson JL, Kaptein B, Broxterman QB, Moretto A, Oancea S, Jost M, Formaggio F, Toniolo C. A topographically and conformationally constrained, spin-labeled, alpha-amino acid: crystallographic characterization in peptides. ACTA ACUST UNITED AC 2005; 65:564-79. [PMID: 15885116 DOI: 10.1111/j.1399-3011.2005.00258.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
2,2,6,6-Tetramethylpiperidine-1-oxyl-4-amino-4-carboxylic acid (TOAC) is a topographically and conformationally restricted, nitroxide containing, C(alpha)-tetrasubstituted alpha-amino acid. Here, we describe the molecular and crystal structures, as determined by X-ray diffraction analyses, of a TOAC terminally protected derivative, the cyclic dipeptide c(TOAC)(2).1,1,1,3,3,3-hexafluoropropan-2-ol (HFIP) solvate, and five TOAC-containing, terminally protected, linear peptides ranging in length from tetra- to hepta-peptides. Incipient and fully developed, regular or distorted 3(10)-helical structures are formed by the linear peptides. A detailed discussion on the average geometry and preferred conformation for the TOAC piperidine ring is also reported. The X-ray diffraction structure of an intramolecularly cyclized side product resulting from a C-activated TOAC residue has also been determined.
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Affiliation(s)
- M Crisma
- Department of Chemistry, Institute of Biomolecular Chemistry, CNR, University of Padova, 35131 Padova, Italy
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31
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Synthesis of (3S,5R)-3,5-diaminoazepan-2-one as a conformationally restricted surrogate of the Dab-Gly dipeptide. ACTA ACUST UNITED AC 2005. [DOI: 10.1016/j.tetasy.2005.04.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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32
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Avenoza A, Busto JH, Peregrina JM, Pérez-Fernández M. Synthesis of 2-methyl- and 2-methylenecyclobutane amino acids. Tetrahedron 2005. [DOI: 10.1016/j.tet.2005.02.039] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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33
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Tanaka KI, Nemoto H, Sawanishi H. Synthesis of (3S,5S)-3,5-diaminopiperidin-2-one as a conformationally restricted surrogate of Dab-Gly dipeptide. ACTA ACUST UNITED AC 2005. [DOI: 10.1016/j.tetasy.2004.12.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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34
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Furenes EB, Luijendijk J, Efskind J, Undheim K. Synthesis of Benzene‐1‐Alanine‐3‐Glycine as Carba Analogues of Cystine. SYNTHETIC COMMUN 2005. [DOI: 10.1081/scc-200048407] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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35
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Synthesis and conformational properties of model dipeptides containing novel axially chiral α,β-didehydroamino acids at the (i+1) position of a β-turn conformation. Tetrahedron 2004. [DOI: 10.1016/j.tet.2004.09.066] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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36
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Design and synthesis of novel type VI-like β-turn mimetics. Diversity at the i+1 and the i+2 position. Tetrahedron 2004. [DOI: 10.1016/j.tet.2004.09.054] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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37
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38
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Seebach D, Overhand M, Kühnle FNM, Martinoni B, Oberer L, Hommel U, Widmer H. β-Peptides: Synthesis by Arndt-Eistert homologation with concomitant peptide coupling. Structure determination by NMR and CD spectroscopy and by X-ray crystallography. Helical secondary structure of a β-hexapeptide in solution and its stability towards pe. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19960790402] [Citation(s) in RCA: 608] [Impact Index Per Article: 30.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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39
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IJsselstijn M, Aguilera B, van der Marel GA, van Boom JH, van Delft FL, Schoemaker HE, Overkleeft HS, Rutjes FP, Overhand M. Ring-closing alkyne metathesis mediated synthesis of cyclic β-turn mimetics. Tetrahedron Lett 2004. [DOI: 10.1016/j.tetlet.2004.03.181] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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40
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Turner JJ, Sikkema FD, Erkelens K, Marel GAVD, Overkleeft HS, Boom JHV, Overhand M. Novel Reversed Chain Modified Oligopeptides via Sequential α-N-Mitsunobu Condensation of a Functionalized C-glycoside. CHEM LETT 2004. [DOI: 10.1246/cl.2004.468] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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41
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Kotha S, Ghosh AK. A Diels–Alder approach for the synthesis of highly functionalized benzo-annulated indane-based α-amino acid derivatives via a sultine intermediate. Tetrahedron Lett 2004. [DOI: 10.1016/j.tetlet.2004.02.060] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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42
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Gil AM, Buñuel E, López P, Cativiela C. Synthesis of enantiopure 7-azanorbornane proline–α-amino acid chimeras by highly efficient HPLC resolution of a phenylalanine analogue. ACTA ACUST UNITED AC 2004. [DOI: 10.1016/j.tetasy.2003.12.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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43
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Alı́as M, López MP, Cativiela C. An efficient and stereodivergent synthesis of threo- and erythro-β-methylphenylalanine. Resolution of each racemic pair by semipreparative HPLC. Tetrahedron 2004. [DOI: 10.1016/j.tet.2003.11.044] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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44
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Bolm C, Müller D, Dalhoff C, Hackenberger CPR, Weinhold E. The stability of pseudopeptides bearing sulfoximines as chiral backbone modifying element towards proteinase K. Bioorg Med Chem Lett 2003; 13:3207-11. [PMID: 12951094 DOI: 10.1016/s0960-894x(03)00697-8] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Incorporation of sulfoximines as backbone modifying element results in two new pseudopeptide bonds which display enhanced (bond A) and strongly reduced reactivity (bond B) towards hydrolysis by Proteinase K.
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Affiliation(s)
- Carsten Bolm
- Institut für Organische Chemie, RWTH Aachen, Prof.-Pirlet-Strasse 1, D-52056 Aachen, Germany.
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45
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Kotha S, Lahiri K. Application of the Suzuki-Miyaura cross-coupling reaction for the modification of phenylalanine peptides. Biopolymers 2003; 69:517-28. [PMID: 12879497 DOI: 10.1002/bip.10420] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
We have demonstrated an exceptionally simple and a useful methodology for modification of unusual phenylalanine peptides by adapting the building block approach using the Suzuki-Miyaura cross-coupling reaction as a key step. This strategy gave a good overall yield of various modified tri- and pentapeptides that may be useful to prepare various biologically active peptides in a short period of time.
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Affiliation(s)
- Sambasivarao Kotha
- Department of Chemistry, Indian Institute of Technology-Bombay, Mumbai, 400 076, India.
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46
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de Visser PC, Kriek NMAJ, van Hooft PAV, Van Schepdael A, Filippov DV, van der Marel GA, Overkleeft HS, van Boom JH, Noort D. Solid-phase synthesis of polymyxin B1 and analogues via a safety-catch approach. THE JOURNAL OF PEPTIDE RESEARCH : OFFICIAL JOURNAL OF THE AMERICAN PEPTIDE SOCIETY 2003; 61:298-306. [PMID: 12753377 DOI: 10.1034/j.1399-3011.2003.00061.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
As part of a program towards the development of novel antibiotics, a convenient method for solid-phase synthesis of the cyclic cationic peptide polymyxin B1 and analogues thereof is described. The methodology, based on cleavage-by-cyclization using Kenner's safety-catch linker, yields crude products with purities ranging from 37-67%. Antibacterial assays revealed that analogues 23-26, in which the (S)-6-methyloctanoic acid moiety is replaced with shorter acyl chains, exhibit distinct antimicrobial activity. The results suggest that the length of the acyl chain is rather critical for antimicrobial activity. On the other hand, substitution of the hydrophobic ring-segment D-Phe-6/Leu-7 in polymyxin B1 with dipeptide mimics (i.e. analogues 27-33) resulted in almost complete loss of antimicrobial activity.
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Affiliation(s)
- P C de Visser
- Leiden Institute of Chemistry, Gorlaeus Laboratories, Leiden University, PO Box 9402, 2300 RA Leiden, The Netherlands
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47
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Gil AM, Buñuel E, Dı́az-de-Villegas MD, Cativiela C. Olefination of methyl (1S,2R,4R)-N-benzoyl-2-formyl-7-azabicyclo[2.2.1]heptane-1-carboxylate, a synthetic approach to new conformationally constrained prolines. ACTA ACUST UNITED AC 2003. [DOI: 10.1016/s0957-4166(03)00200-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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48
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Hoffmann T, Waibel R, Gmeiner P. A general approach to dehydro-Freidinger lactams: ex-chiral pool synthesis and spectroscopic evaluation as potential reverse turn inducers. J Org Chem 2003; 68:62-9. [PMID: 12515462 DOI: 10.1021/jo0261653] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Starting from natural alpha-amino acids, a practical synthesis of the dehydro-Freidinger lactams 9a-h based on the ring-closing olefin metathesis reaction was investigated. The presented examples comprise 6-, 7-, 8-, 9-, and 10-membered cyclic dipeptide mimics. Structural variations were demonstrated. We approached the metathesis precursors 8a-h employing an N-alkylation/peptide-coupling strategy. Subsequent ring closure was promoted by the ruthenium-based catalyst 10a or 10b. The resulting tetraresidue 11d was shown to undergo intramolecular hydrogen bonding based on NMR and FT-IR studies. Thus, the development of dehydro-Freidinger lactams as potential reverse turn inducers stabilizing an intramolecular NH(i+3)...CO(i) hydrogen-bond was demonstrated.
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Affiliation(s)
- Tobias Hoffmann
- Department of Medicinal Chemistry, Emil Fischer Center, Friedrich-Alexander-University, Schuhstr. 19, D-91052 Erlangen, Germany
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Saha B, Nandy JP, Shukla S, Siddiqui I, Iqbal J. Stereoselective synthesis of beta-substituted phenylalanine-beta-phenylisoserine-derived tripeptides using N-cinnamoyl-L-proline as template: synthesis of structural analogues of HIV protease inhibitors. J Org Chem 2002; 67:7858-60. [PMID: 12398514 DOI: 10.1021/jo0109826] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
N-Cinnamoyl-L-proline can be used as a template on which beta-substituted phenylalanine and beta-phenylisoserine residues can be synthesized leading to tripeptide derivatives as structural analogues of HIV protease inhibitors.
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Affiliation(s)
- Biswajit Saha
- Department of Chemistry, Indian Institute of Technology, Kanpur 208 016, India
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Synthesis of highly functionalized phenylalanine derivatives via cross-enyne metathesis reactions. Tetrahedron 2002. [DOI: 10.1016/s0040-4020(02)01178-x] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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