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Krylov IB, Lopat'eva ER, Budnikov AS, Nikishin GI, Terent'ev AO. Metal-Free Cross-Dehydrogenative C-O Coupling of Carbonyl Compounds with N-Hydroxyimides: Unexpected Selective Behavior of Highly Reactive Free Radicals at an Elevated Temperature. J Org Chem 2020; 85:1935-1947. [PMID: 31886660 DOI: 10.1021/acs.joc.9b02656] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Cross-dehydrogenative C-O coupling of N-hydroxyimides with ketones, esters, and carboxylic acids was achieved employing the di-tert-butyl peroxide as a source of free radicals and a dehydrogenating agent. The proposed method is experimentally simple and demonstrates the outstanding efficiency for the challenging CH substrates, such as unactivated esters and carboxylic acids. It was shown that N-hydroxyphthalimide drastically affects the oxidative properties of t-BuOOt-Bu by intercepting the t-BuO• radicals with the formation of phthalimide-N-oxyl radicals, a species responsible for both hydrogen atom abstraction from the CH reagent and the selective formation of the C-O coupling product by selective radical cross-recombination. The practical applicability of the developed method was exemplified by the single-stage synthesis of commercial reagent (known as Baran aminating reagent precursor) from isobutyric acid and N-hydroxysuccinimide, whereas in the standard synthetic approach, four stages are necessary.
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Affiliation(s)
- Igor B Krylov
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences , 47 Leninsky prosp ., 119991 Moscow , Russian Federation
| | - Elena R Lopat'eva
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences , 47 Leninsky prosp ., 119991 Moscow , Russian Federation.,Mendeleev University of Chemical Technology of Russia , 9 Miusskaya sq. , Moscow 125047 , Russian Federation
| | - Alexander S Budnikov
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences , 47 Leninsky prosp ., 119991 Moscow , Russian Federation.,Mendeleev University of Chemical Technology of Russia , 9 Miusskaya sq. , Moscow 125047 , Russian Federation
| | - Gennady I Nikishin
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences , 47 Leninsky prosp ., 119991 Moscow , Russian Federation
| | - Alexander O Terent'ev
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences , 47 Leninsky prosp ., 119991 Moscow , Russian Federation
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2
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Richard M, Felten AS, Chrétien F, Averlant-Petit MC, Pellegrini-Moïse N. Synthesis and conformational studies of short mixed γ/α-glycopeptides based on sugar γ 3,3 -amino acids. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.10.038] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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3
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Thodupunuri P, Katukuri S, Ramakrishna KVS, Sharma GVM, Kunwar AC, Sarma AVS, Hofmann HJ. Solvent-Directed Switch of a Left-Handed 10/12-Helix into a Right-Handed 12/10-Helix in Mixed β-Peptides. J Org Chem 2017; 82:2018-2031. [DOI: 10.1021/acs.joc.6b02856] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Prashanth Thodupunuri
- Organic
and Biomolecular Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Sirisha Katukuri
- Nuclear Magnetic Resonance & Structural Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Kallaganti V. S. Ramakrishna
- Nuclear Magnetic Resonance & Structural Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Gangavaram V. M. Sharma
- Organic
and Biomolecular Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Ajit C. Kunwar
- Nuclear Magnetic Resonance & Structural Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Akella V. S. Sarma
- Nuclear Magnetic Resonance & Structural Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Hans-Jörg Hofmann
- Institute
of Biochemistry, Faculty of Biosciences, University of Leipzig, Brüderstrasse 34, D-04103 Leipzig, Germany
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4
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Shin S, Lee M, Guzei IA, Kang YK, Choi SH. 12/10-Helical β-Peptide with Dynamic Folding Propensity: Coexistence of Right- and Left-Handed Helices in an Enantiomeric Foldamer. J Am Chem Soc 2016; 138:13390-13395. [DOI: 10.1021/jacs.6b08235] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Seonho Shin
- Department
of Chemistry, Yonsei University, Seoul 03722, Korea
| | - Mihye Lee
- Department
of Chemistry, Yonsei University, Seoul 03722, Korea
| | - Ilia A. Guzei
- Department
of Chemistry, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Young Kee Kang
- Department
of Chemistry, Chungbuk National University, Chungbuk 28644, Korea
| | - Soo Hyuk Choi
- Department
of Chemistry, Yonsei University, Seoul 03722, Korea
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5
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Wang ZA, Ding XZ, Tian CL, Zheng JS. Protein/peptide secondary structural mimics: design, characterization, and modulation of protein–protein interactions. RSC Adv 2016. [DOI: 10.1039/c6ra13976k] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This review discusses general aspects of novel artificial peptide secondary structure mimics for modulation of PPIs, their therapeutic applications and future prospects.
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Affiliation(s)
- Zhipeng A. Wang
- School of Life Sciences
- University of Science and Technology of China
- Hefei 230026
- China
- Department of Chemistry
| | - Xiaozhe Z. Ding
- School of Life Sciences
- Tsinghua University
- Beijing 100084
- China
- Department of Bioengineering
| | - Chang-Lin Tian
- School of Life Sciences
- University of Science and Technology of China
- Hefei 230026
- China
| | - Ji-Shen Zheng
- School of Life Sciences
- University of Science and Technology of China
- Hefei 230026
- China
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6
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Sridhar G, Hanumaiah M, Sharma GVM. Synthesis of Novel Pyran β-Amino Acid and 5,6-Dihydro-2H-pyran β-aminoxy Acid from Carbohydrate Derivatives. SYNTHETIC COMMUN 2015. [DOI: 10.1080/00397911.2015.1043018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Gattu Sridhar
- Organic and Biomolecular Chemistry Division, Council for Scientific and Industrial Research, Indian Institute of Chemical Technology, Hyderabad, India
| | - Marumamula Hanumaiah
- Organic and Biomolecular Chemistry Division, Council for Scientific and Industrial Research, Indian Institute of Chemical Technology, Hyderabad, India
| | - Gangavaram V. M. Sharma
- Organic and Biomolecular Chemistry Division, Council for Scientific and Industrial Research, Indian Institute of Chemical Technology, Hyderabad, India
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7
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Sharma GVM, Yadav TA, Marumudi K, Thodupunuri P, Reddy PP, Kunwar AC. Three-Residue Turn in β-Peptides Nucleated by a 12/10 Helix. Chem Asian J 2014; 9:3153-62. [DOI: 10.1002/asia.201402465] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2014] [Indexed: 01/07/2023]
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8
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Basuroy K, Karuppiah V, Balaram P. C11/C9 Helices in Crystals of αβ Hybrid Peptides and Switching Structures between Helix Types by Variation in the α-Residue. Org Lett 2014; 16:4614-7. [DOI: 10.1021/ol5021866] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Krishnayan Basuroy
- Molecular Biophysics Unit, Indian Institute of Science, Bangalore 560012, India
| | - Vasantham Karuppiah
- Molecular Biophysics Unit, Indian Institute of Science, Bangalore 560012, India
| | - Padmanabhan Balaram
- Molecular Biophysics Unit, Indian Institute of Science, Bangalore 560012, India
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9
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Sharma GVM, Venkateshwarlu G, Reddy PP, Kunwar AC. New Helical Folds in α-Peptides with Alternating Chirality. Chemistry 2014; 20:11428-38. [DOI: 10.1002/chem.201403164] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2014] [Indexed: 11/08/2022]
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10
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Zhang HL, Zang Y, Xie J, Li J, Chen GR, He XP, Tian H. A 'clicked' tetrameric hydroxamic acid glycopeptidomimetic antagonizes sugar-lectin interactions on the cellular level. Sci Rep 2014; 4:5513. [PMID: 24981800 PMCID: PMC4076733 DOI: 10.1038/srep05513] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2014] [Accepted: 06/11/2014] [Indexed: 01/10/2023] Open
Abstract
A tetrameric N-acetyl galactosaminyl (GalNAc) peptidomimetic was constructed by N-acetylation of repeating proline-based hydroxamic acid units, followed by a convergent ‘click chemistry' coupling. This novel glycopeptidomimetic was determined to effectively antagonize the interaction between a transmembrane hepatic lectin and GalNAc on the cellular level.
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Affiliation(s)
- Hai-Lin Zhang
- Key Laboratory for Advanced Materials & Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Rd., Shanghai 200237, PR China
| | - Yi Zang
- National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 189 Guo Shoujing Rd., Shanghai 201203, PR China
| | - Juan Xie
- PPSM, Institut d'Alembert, ENS de Cachan, CNRS UMR 8531, 61 Avenue du Pt Wilson, F-94235 Cachan, France
| | - Jia Li
- National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 189 Guo Shoujing Rd., Shanghai 201203, PR China
| | - Guo-Rong Chen
- Key Laboratory for Advanced Materials & Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Rd., Shanghai 200237, PR China
| | - Xiao-Peng He
- Key Laboratory for Advanced Materials & Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Rd., Shanghai 200237, PR China
| | - He Tian
- Key Laboratory for Advanced Materials & Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Rd., Shanghai 200237, PR China
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11
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Avan I, Hall CD, Katritzky AR. Peptidomimetics via modifications of amino acids and peptide bonds. Chem Soc Rev 2014; 43:3575-94. [DOI: 10.1039/c3cs60384a] [Citation(s) in RCA: 183] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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12
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Jadhav SV, Misra R, Singh SK, Gopi HN. Efficient Access to Enantiopure γ4-Amino Acids with Proteinogenic Side-Chains and Structural Investigation of γ4-Asn and γ4-Ser in Hybrid Peptide Helices. Chemistry 2013; 19:16256-62. [DOI: 10.1002/chem.201302732] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2013] [Indexed: 01/09/2023]
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13
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Lee M, Shim J, Kang P, Guzei IA, Choi SH. Structural Characterization of α/β-Peptides having Alternating Residues: X-ray Structures of the 11/9-Helix from Crystals of Racemic Mixtures. Angew Chem Int Ed Engl 2013; 52:12564-7. [DOI: 10.1002/anie.201306404] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Revised: 09/05/2013] [Indexed: 11/06/2022]
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14
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Lee M, Shim J, Kang P, Guzei IA, Choi SH. Structural Characterization of α/β-Peptides having Alternating Residues: X-ray Structures of the 11/9-Helix from Crystals of Racemic Mixtures. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201306404] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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15
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Pawar SA, Jabgunde AM, Petzold K, Maguire GEM, Dhavale DD, Kruger HG, Govender T. Investigation and folding pattern of l-ido and d-gluco peptides by EASY ROESY NMR and X-ray. RSC Adv 2013. [DOI: 10.1039/c3ra44542a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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16
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Sharma GVM, Yadav TA, Choudhary M, Kunwar AC. Design of β-Amino Acid with Backbone–Side Chain Interactions: Stabilization of 14/15-Helix in α/β-Peptides. J Org Chem 2012; 77:6834-48. [DOI: 10.1021/jo300865d] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Gangavaram V. M. Sharma
- Organic and
Biomolecuar Chemistry
Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Thota Anupama Yadav
- Organic and
Biomolecuar Chemistry
Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Madavi Choudhary
- Centre for Nuclear Magnetic Resonance, CSIR-Indian Institute of Chemical Technology, Hyderabad
500 007, India
| | - Ajit C. Kunwar
- Centre for Nuclear Magnetic Resonance, CSIR-Indian Institute of Chemical Technology, Hyderabad
500 007, India
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17
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Ramesh VV, Priya G, Rajamohanan P, Hofmann HJ, Sanjayan GJ. Expanding the structural repertoire of β/α Ant-Pro (anthranilic acid-proline) oligomers into γ/α 2-Amb-Pro (2-aminomethyl benzoic acid-proline) oligomers. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.02.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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18
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Andreini M, Felten AS, Thien HTT, Taillefumier C, Pellegrini-Moïse N, Chapleur Y. Synthesis of new C-glycosyl aza-β3-amino acids building blocks. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.03.072] [Citation(s) in RCA: 4] [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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19
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Sharma GVM, Reddy NY, Ravi R, Sreenivas B, Sridhar G, Chatterjee D, Kunwar AC, Hofmann HJ. Synthesis of C-linked carbo-β2-amino acids and β2-peptides: design of new motifs for left-handed 12/10- and 10/12-mixed helices. Org Biomol Chem 2012; 10:9191-203. [DOI: 10.1039/c2ob26615f] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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20
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Haleema S, Sasi PV, Ibnusaud I, Polavarapu PL, Kagan HB. Enantiomerically pure compounds related to chiral hydroxy acids derived from renewable resources. RSC Adv 2012. [DOI: 10.1039/c2ra21205f] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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21
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Jiao ZG, Chang XW, Ding W, Liu GJ, Song KS, Zhu NY, Zhang DW, Yang D. β NO Turns and Helices Induced by β2-Aminoxy Peptides: Synthesis and Conformational Studies. Chem Asian J 2011; 6:1791-9. [DOI: 10.1002/asia.201000933] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2010] [Indexed: 11/07/2022]
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22
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Roy A, Prabhakaran P, Baruah PK, Sanjayan GJ. Diversifying the structural architecture of synthetic oligomers: the hetero foldamer approach. Chem Commun (Camb) 2011; 47:11593-611. [DOI: 10.1039/c1cc13313f] [Citation(s) in RCA: 106] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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23
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Yang D, Liu GJ, Hao Y, Li W, Dong ZM, Zhang DW, Zhu NY. Conformational Studies on Peptides of α-Aminoxy Acids with Functionalized Side Chains. Chem Asian J 2010; 5:1356-63. [DOI: 10.1002/asia.200900636] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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24
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Sharma GVM, Manohar V, Dutta SK, Sridhar B, Ramesh V, Srinivas R, Kunwar AC. Self-Assembling Cyclic Tetrapeptide from Alternating C-Linked Carbo-β-amino Acid [(S)-β-Caa] and α-Aminoxy Acid [(R)-Ama]: A Selective Chloride Ion Receptor. J Org Chem 2010; 75:1087-94. [DOI: 10.1021/jo901923q] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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25
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Katritzky AR, Avan I, Tala SR. Efficient Preparation of Aminoxyacyl Amides, Aminoxy Hybrid Peptides, and α-Aminoxy Peptides. J Org Chem 2009; 74:8690-4. [DOI: 10.1021/jo901612j] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Alan R. Katritzky
- Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, Florida 32611-7200
| | - Ilker Avan
- Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, Florida 32611-7200
- Department of Chemistry, Anadolu University, 26470, Eskişehir, Turkey
| | - Srinivasa R. Tala
- Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, Florida 32611-7200
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Saavedra C, Hernández R, Boto A, Álvarez E. Catalytic, One-Pot Synthesis of β-Amino Acids from α-Amino Acids. Preparation of α,β-Peptide Derivatives. J Org Chem 2009; 74:4655-65. [DOI: 10.1021/jo9004487] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Carlos Saavedra
- Instituto de Productos Naturales y Agrobiología del CSIC, Avda. Astrofísico Francisco Sánchez 3, 38206-La Laguna, Tenerife, Spain, and Instituto de Investigaciones Químicas (CSIC-USe), Isla de la Cartuja, Avda. Américo Vespucio 49, 41092-Sevilla, Spain
| | - Rosendo Hernández
- Instituto de Productos Naturales y Agrobiología del CSIC, Avda. Astrofísico Francisco Sánchez 3, 38206-La Laguna, Tenerife, Spain, and Instituto de Investigaciones Químicas (CSIC-USe), Isla de la Cartuja, Avda. Américo Vespucio 49, 41092-Sevilla, Spain
| | - Alicia Boto
- Instituto de Productos Naturales y Agrobiología del CSIC, Avda. Astrofísico Francisco Sánchez 3, 38206-La Laguna, Tenerife, Spain, and Instituto de Investigaciones Químicas (CSIC-USe), Isla de la Cartuja, Avda. Américo Vespucio 49, 41092-Sevilla, Spain
| | - Eleuterio Álvarez
- Instituto de Productos Naturales y Agrobiología del CSIC, Avda. Astrofísico Francisco Sánchez 3, 38206-La Laguna, Tenerife, Spain, and Instituto de Investigaciones Químicas (CSIC-USe), Isla de la Cartuja, Avda. Américo Vespucio 49, 41092-Sevilla, Spain
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Swamy KCK, Kumar NNB, Balaraman E, Kumar KVPP. Mitsunobu and Related Reactions: Advances and Applications. Chem Rev 2009; 109:2551-651. [PMID: 19382806 DOI: 10.1021/cr800278z] [Citation(s) in RCA: 873] [Impact Index Per Article: 58.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- K. C. Kumara Swamy
- School of Chemistry, University of Hyderabad, Hyderabad − 500046, A. P., India
| | - N. N. Bhuvan Kumar
- School of Chemistry, University of Hyderabad, Hyderabad − 500046, A. P., India
| | - E. Balaraman
- School of Chemistry, University of Hyderabad, Hyderabad − 500046, A. P., India
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Sharma GV, Rao KS, Ravi R, Narsimulu K, Nagendar P, Chandramouli C, Kumar SK, Kunwar A. Synthesis ofβ-Peptides withβ-Helices from New C-Linked Carbo-β-Amino Acids: Study on the Impact of Carbohydrate Side Chains. Chem Asian J 2009; 4:181-93. [DOI: 10.1002/asia.200800249] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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29
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Sharma GVM, Subash V, Reddy NY, Narsimulu K, Ravi R, Jadhav VB, Murthy USN, Kishore KH, Kunwar AC. Synthesis and conformational studies of peptides from new C-linked carbo-β-amino acids (β-Caas) with anomeric methylamino- and difluorophenyl moieties. Org Biomol Chem 2008; 6:4142-56. [DOI: 10.1039/b810817j] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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