1
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Recent advances in the synthesis of 4′-truncated nucleoside phosphonic acid analogues. Carbohydr Res 2022; 513:108517. [DOI: 10.1016/j.carres.2022.108517] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 01/20/2022] [Accepted: 02/02/2022] [Indexed: 12/30/2022]
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2
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Vagapova LI, Burilov AR, Gazizov AS, Voronina JK, Litvinov IA, Mahrous EM, Virieux D, Pirat JL, Matylitskii KV, Pudovik MA. One-Pot Synthesis of N-(Phosphorylmethyl)Pyrrolidines via Acid-Catalyzed Cascade Elimination/Cyclization/Friedel–Crafts Reaction. Chem Heterocycl Compd (N Y) 2020. [DOI: 10.1007/s10593-020-02697-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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3
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Synthesis and structure of new 2-aryl-substituted pyrrolidines containing phosphine oxide group. MENDELEEV COMMUNICATIONS 2018. [DOI: 10.1016/j.mencom.2018.07.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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4
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Dolfen J, Boydas EB, Van Speybroeck V, Catak S, Van Hecke K, D’hooghe M. Asymmetric Synthesis of 3,4-Disubstituted 2-(Trifluoromethyl)pyrrolidines through Rearrangement of Chiral 2-(2,2,2-Trifluoro-1-hydroxyethyl)azetidines. J Org Chem 2017; 82:10092-10109. [DOI: 10.1021/acs.joc.7b01241] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Jeroen Dolfen
- SynBioC
Research Group, Department of Sustainable Organic Chemistry and Technology,
Faculty of Bioscience Engineering, Ghent University, Coupure Links
653, B-9000 Ghent, Belgium
| | - Esma Birsen Boydas
- Bogazici University, Department of Chemistry, Bebek, Istanbul 34342, Turkey
| | - Veronique Van Speybroeck
- Center
for Molecular Modeling, Ghent University, Tech Lane Ghent Science Park Campus A, Technologiepark 903, B-9052 Zwijnaarde, Belgium
| | - Saron Catak
- Bogazici University, Department of Chemistry, Bebek, Istanbul 34342, Turkey
- Center
for Molecular Modeling, Ghent University, Tech Lane Ghent Science Park Campus A, Technologiepark 903, B-9052 Zwijnaarde, Belgium
| | - Kristof Van Hecke
- XStruct,
Department of Inorganic and Physical Chemistry, Ghent University, Krijgslaan
281-S3, B-9000 Ghent, Belgium
| | - Matthias D’hooghe
- SynBioC
Research Group, Department of Sustainable Organic Chemistry and Technology,
Faculty of Bioscience Engineering, Ghent University, Coupure Links
653, B-9000 Ghent, Belgium
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5
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Molecular mutagenesis of ppGpp: turning a RelA activator into an inhibitor. Sci Rep 2017; 7:41839. [PMID: 28157202 PMCID: PMC5291098 DOI: 10.1038/srep41839] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Accepted: 12/29/2016] [Indexed: 01/26/2023] Open
Abstract
The alarmone nucleotide (p)ppGpp is a key regulator of bacterial metabolism, growth, stress tolerance and virulence, making (p)ppGpp-mediated signaling a promising target for development of antibacterials. Although ppGpp itself is an activator of the ribosome-associated ppGpp synthetase RelA, several ppGpp mimics have been developed as RelA inhibitors. However promising, the currently available ppGpp mimics are relatively inefficient, with IC50 in the sub-mM range. In an attempt to identify a potent and specific inhibitor of RelA capable of abrogating (p)ppGpp production in live bacterial cells, we have tested a targeted nucleotide library using a biochemical test system comprised of purified Escherichia coli components. While none of the compounds fulfilled this aim, the screen has yielded several potentially useful molecular tools for biochemical and structural work.
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6
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Cotton JA, Bennuru S, Grote A, Harsha B, Tracey A, Beech R, Doyle SR, Dunn M, Dunning Hotopp JC, Holroyd N, Kikuchi T, Lambert O, Mhashilkar A, Mutowo P, Nursimulu N, Ribeiro JMC, Rogers MB, Stanley E, Swapna LS, Tsai IJ, Unnasch TR, Voronin D, Parkinson J, Nutman TB, Ghedin E, Berriman M, Lustigman S. The genome of Onchocerca volvulus, agent of river blindness. Nat Microbiol 2016; 2:16216. [PMID: 27869790 PMCID: PMC5310847 DOI: 10.1038/nmicrobiol.2016.216] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Accepted: 09/26/2016] [Indexed: 01/08/2023]
Abstract
Human onchocerciasis is a serious neglected tropical disease caused by the filarial nematode Onchocerca volvulus that can lead to blindness and chronic disability. Control of the disease relies largely on mass administration of a single drug, and the development of new drugs and vaccines depends on a better knowledge of parasite biology. Here, we describe the chromosomes of O. volvulus and its Wolbachia endosymbiont. We provide the highest-quality sequence assembly for any parasitic nematode to date, giving a glimpse into the evolution of filarial parasite chromosomes and proteomes. This resource was used to investigate gene families with key functions that could be potentially exploited as targets for future drugs. Using metabolic reconstruction of the nematode and its endosymbiont, we identified enzymes that are likely to be essential for O. volvulus viability. In addition, we have generated a list of proteins that could be targeted by Federal-Drug-Agency-approved but repurposed drugs, providing starting points for anti-onchocerciasis drug development.
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Affiliation(s)
- James A. Cotton
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire CB10 1SA, UK
| | - Sasisekhar Bennuru
- Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland 20892, USA
| | - Alexandra Grote
- Center for Genomics and Systems Biology, Department of Biology, New York University, New York, New York 10003, USA
| | - Bhavana Harsha
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire CB10 1SA, UK
| | - Alan Tracey
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire CB10 1SA, UK
| | - Robin Beech
- Institute of Parasitology, McGill University, Montreal, Quebec H9X 3V9, Canada
| | - Stephen R. Doyle
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire CB10 1SA, UK
| | - Matthew Dunn
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire CB10 1SA, UK
| | - Julie C. Dunning Hotopp
- Institute for Genome Sciences, Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, Maryland 21201, USA
| | - Nancy Holroyd
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire CB10 1SA, UK
| | - Taisei Kikuchi
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire CB10 1SA, UK
| | - Olivia Lambert
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire CB10 1SA, UK
| | - Amruta Mhashilkar
- Global Health Infectious Disease Research Program, Department of Global Health, College of Public Health, University of South Florida, Tampa, Florida 33612, USA
| | - Prudence Mutowo
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire CB10 1SD, UK
| | - Nirvana Nursimulu
- Department of Computer Science, University of Toronto, Toronto M5S 3G4, Canada
- Division of Molecular Structure and Function, Research Institute, Hospital for Sick Children, Toronto, Ontario M5G 1X8, Canada
| | - Jose M. C. Ribeiro
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland 20892, USA
| | - Matthew B. Rogers
- Children’s Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15224, USA
| | - Eleanor Stanley
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire CB10 1SA, UK
| | - Lakshmipuram S. Swapna
- Division of Molecular Structure and Function, Research Institute, Hospital for Sick Children, Toronto, Ontario M5G 1X8, Canada
| | - Isheng J. Tsai
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire CB10 1SA, UK
| | - Thomas R. Unnasch
- Global Health Infectious Disease Research Program, Department of Global Health, College of Public Health, University of South Florida, Tampa, Florida 33612, USA
| | - Denis Voronin
- New York Blood Center, New York, New York 10065, USA
| | - John Parkinson
- Department of Computer Science, University of Toronto, Toronto M5S 3G4, Canada
- Division of Molecular Structure and Function, Research Institute, Hospital for Sick Children, Toronto, Ontario M5G 1X8, Canada
- Departments of Biochemistry and Molecular Genetics, University of Toronto, M5S 1A8, Canada
| | - Thomas B. Nutman
- Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland 20892, USA
| | - Elodie Ghedin
- Center for Genomics and Systems Biology, Department of Biology, New York University, New York, New York 10003, USA
- College of Global Public Health, New York University, New York, New York 10003, USA
| | - Matthew Berriman
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire CB10 1SA, UK
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7
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Zhang DJ, Xie MS, Qu GR, Gao YW, Guo HM. Synthesis of Azacyclic Nucleoside Analogues via Asymmetric [3 + 2] Cycloaddition of 9-(2-Tosylvinyl)-9H-purines. Org Lett 2016; 18:820-3. [DOI: 10.1021/acs.orglett.6b00108] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Dan-Jie Zhang
- Key Laboratory of Green Chemical
Media and Reactions, Ministry of Education, Collaborative Innovation
Center of Henan Province for Green Manufacturing of Fine Chemicals,
School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
| | - Ming-Sheng Xie
- Key Laboratory of Green Chemical
Media and Reactions, Ministry of Education, Collaborative Innovation
Center of Henan Province for Green Manufacturing of Fine Chemicals,
School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
| | - Gui-Rong Qu
- Key Laboratory of Green Chemical
Media and Reactions, Ministry of Education, Collaborative Innovation
Center of Henan Province for Green Manufacturing of Fine Chemicals,
School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
| | - Yao-Wei Gao
- Key Laboratory of Green Chemical
Media and Reactions, Ministry of Education, Collaborative Innovation
Center of Henan Province for Green Manufacturing of Fine Chemicals,
School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
| | - Hai-Ming Guo
- Key Laboratory of Green Chemical
Media and Reactions, Ministry of Education, Collaborative Innovation
Center of Henan Province for Green Manufacturing of Fine Chemicals,
School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
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8
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Pohl R, Poštová Slavětínská L, Eng WS, Keough DT, Guddat LW, Rejman D. Synthesis, conformational studies, and biological properties of phosphonomethoxyethyl derivatives of nucleobases with a locked conformation via a pyrrolidine ring. Org Biomol Chem 2015; 13:4693-705. [PMID: 25798893 DOI: 10.1039/c5ob00097a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Systematic structure-activity studies on a diverse family of nucleoside phosphonic acids has led to the development of potent antiviral drugs such as HPMPC (CidofovirTM), PMEA (AdefovirTM), and PMPA (TenofovirTM), which are used in the treatment of CMV-induced retinitis, hepatitis B, and HIV, respectively. Here, we present the synthesis of a novel class of acyclic phosphonate nucleotides that have a locked conformation via a pyrrolidine ring. NMR analysis of these compounds revealed that the pyrrolidine ring has a constrained conformation when in the cis-form at pD < 10 via hydrogen bonding. Four of these compounds were tested as inhibitors of the human and Plasmodium falciparum 6-oxopurine phosphoribosyltransferases. The most potent has a Ki of 0.6 μM for Plasmodium falciparum HGXPRT.
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Affiliation(s)
- Radek Pohl
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic.
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9
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Smithen DA, Forget SM, McCormick NE, Syvitski RT, Jakeman DL. Polyphosphate-containing bisubstrate analogues as inhibitors of a bacterial cell wall thymidylyltransferase. Org Biomol Chem 2015; 13:3347-50. [DOI: 10.1039/c4ob02583k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first synthesis and evaluation of bisubstrate analogues with a thymidylyltransferase is reported. WaterLOGSY NMR and kinetic analyses provide insight into bisubstrate analogue binding.
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Affiliation(s)
| | | | | | | | - David L. Jakeman
- Department of Chemistry
- Dalhousie University
- Halifax
- Canada
- College of Pharmacy
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10
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Villar-Barro Á, Gotor V, Brieva R. Enzymatic preparation of cis and trans-3-amino-4-hydroxytetrahydrofurans and cis-3-amino-4-hydroxypyrrolidines. Bioorg Med Chem 2014; 22:5563-8. [DOI: 10.1016/j.bmc.2014.05.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Revised: 05/06/2014] [Accepted: 05/09/2014] [Indexed: 11/25/2022]
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11
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Poštová Slavětínská L, Rejman D, Pohl R. Pyrrolidine nucleotide analogs with a tunable conformation. Beilstein J Org Chem 2014; 10:1967-80. [PMID: 25246956 PMCID: PMC4168946 DOI: 10.3762/bjoc.10.205] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Accepted: 08/05/2014] [Indexed: 01/05/2023] Open
Abstract
Conformational preferences of the pyrrolidine ring in nucleotide analogs 7–14 were investigated by means of NMR and molecular modeling. The effect of the relative configuration of hydroxy and nucleobase substituents as well as the effect of the alkylation or acylation of the pyrrolidine nitrogen atom on the conformation of the pyrrolidine ring were studied. The results of a conformational analysis show that the alkylation/acylation can be effectively used for tuning the pyrrolidine conformation over the whole pseudorotation cycle.
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Affiliation(s)
- Lenka Poštová Slavětínská
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
| | - Dominik Rejman
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
| | - Radek Pohl
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
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12
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Wang L, Loh KC, Tong YW. Immobilization of growing Sphingomonas sp. HXN-200 to gelatin microspheres: Efficient biotransformation of N-Cbz-pyrrolidine and N-Boc-pyrrolidine into hydroxypyrrolidine derivatives. J Biotechnol 2014; 182-183:74-82. [DOI: 10.1016/j.jbiotec.2014.04.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2013] [Revised: 03/26/2014] [Accepted: 04/27/2014] [Indexed: 11/16/2022]
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13
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Košiová I, Šimák O, Panova N, Buděšínský M, Petrová M, Rejman D, Liboska R, Páv O, Rosenberg I. Inhibition of human thymidine phosphorylase by conformationally constrained pyrimidine nucleoside phosphonic acids and their “open-structure” isosteres. Eur J Med Chem 2014; 74:145-68. [DOI: 10.1016/j.ejmech.2013.12.026] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2013] [Revised: 12/12/2013] [Accepted: 12/22/2013] [Indexed: 10/25/2022]
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14
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Hernández D, Boto A. Nucleoside Analogues: Synthesis and Biological Properties of Azanucleoside Derivatives. European J Org Chem 2014. [DOI: 10.1002/ejoc.201301731] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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15
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Šimák O, Pachl P, Fábry M, Buděšínský M, Jandušík T, Hnízda A, Skleničková R, Petrová M, Veverka V, Řezáčová P, Brynda J, Rosenberg I. Conformationally constrained nucleoside phosphonic acids – potent inhibitors of human mitochondrial and cytosolic 5′(3′)-nucleotidases. Org Biomol Chem 2014; 12:7971-82. [DOI: 10.1039/c4ob01332h] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Conformationally constrained nucleoside phosphonic acids – potent inhibitors of human mitochondrial and cytosolic 5′(3′)-deoxynucleotidases.
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Affiliation(s)
- Ondřej Šimák
- Institute of Organic Chemistry and Biochemistry
- Academy of Sciences of the Czech Republic
- 166 10 Prague 6, Czech Republic
| | - Petr Pachl
- Institute of Organic Chemistry and Biochemistry
- Academy of Sciences of the Czech Republic
- 166 10 Prague 6, Czech Republic
- Institute of Molecular Genetics
- of Sciences of the Czech Republic
| | - Milan Fábry
- Institute of Molecular Genetics
- of Sciences of the Czech Republic
- 14220 Prague 4, Czech Republic
| | - Miloš Buděšínský
- Institute of Organic Chemistry and Biochemistry
- Academy of Sciences of the Czech Republic
- 166 10 Prague 6, Czech Republic
| | - Tomáš Jandušík
- Institute of Organic Chemistry and Biochemistry
- Academy of Sciences of the Czech Republic
- 166 10 Prague 6, Czech Republic
- Department of Chemistry of Natural Compounds
- Institute of Chemical Technology
| | - Aleš Hnízda
- Institute of Organic Chemistry and Biochemistry
- Academy of Sciences of the Czech Republic
- 166 10 Prague 6, Czech Republic
| | - Radka Skleničková
- Institute of Organic Chemistry and Biochemistry
- Academy of Sciences of the Czech Republic
- 166 10 Prague 6, Czech Republic
| | - Magdalena Petrová
- Institute of Organic Chemistry and Biochemistry
- Academy of Sciences of the Czech Republic
- 166 10 Prague 6, Czech Republic
| | - Václav Veverka
- Institute of Organic Chemistry and Biochemistry
- Academy of Sciences of the Czech Republic
- 166 10 Prague 6, Czech Republic
| | - Pavlína Řezáčová
- Institute of Organic Chemistry and Biochemistry
- Academy of Sciences of the Czech Republic
- 166 10 Prague 6, Czech Republic
- Institute of Molecular Genetics
- of Sciences of the Czech Republic
| | - Jiří Brynda
- Institute of Organic Chemistry and Biochemistry
- Academy of Sciences of the Czech Republic
- 166 10 Prague 6, Czech Republic
- Institute of Molecular Genetics
- of Sciences of the Czech Republic
| | - Ivan Rosenberg
- Institute of Organic Chemistry and Biochemistry
- Academy of Sciences of the Czech Republic
- 166 10 Prague 6, Czech Republic
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16
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Keough DT, Hocková D, Rejman D, Spaček P, Vrbková S, Krečmerová M, Eng WS, Jans H, West NP, Naesens LMJ, de Jersey J, Guddat LW. Inhibition of the Escherichia coli 6-oxopurine phosphoribosyltransferases by nucleoside phosphonates: potential for new antibacterial agents. J Med Chem 2013; 56:6967-84. [PMID: 23927482 DOI: 10.1021/jm400779n] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Escherichia coli (Ec) cells possess two purine salvage enzymes: xanthine-guanine phosphoribosyltransferase (XGPRT) and hypoxanthine phosphoribosyltransferase (HPRT). EcXGPRT shares a common structural feature with other members of this family, a flexible loop that closes over the active site during catalysis. The replacement of six of these amino acids by alanine has no effect on the Km for the two substrates. However, the Ki for the nucleoside monophosphate increases by 27-fold, and the kcat is reduced by ∼200-fold. Nucleoside phosphonates (NP) are good inhibitors of EcXGPRT and EcHPRT, with Ki values as low as 10 nM. In the absence of the flexible loop, these values increase by 5- to 30-fold, indicating the importance of the loop for high-affinity inhibition. Crystal structures of two NPs in complex with EcXGPRT explain the tight binding. Prodrugs of NPs with low Ki values for EcXGPRT or EcHPRT exhibit IC50 values between 5 and 23 μM against Mycobacterium tuberculosis in cell-based assays, suggesting that these compounds are therapeutic leads against pathogenic bacteria.
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Affiliation(s)
- Dianne T Keough
- The School of Chemistry and Molecular Biosciences, The University of Queensland , Brisbane, 4072 QLD, Australia
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17
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Rodríguez-Rodríguez JA, Quijada FJ, Brieva R, Rebolledo F, Gotor V. Chemoenzymatic synthesis of orthogonally protected (3R,4R)- and (3S,4S)-trans-3-amino-4-hydroxypyrrolidines. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.04.112] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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