1
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Nirmal Ram JS, Sathya U, Gomathi S, Cordes DB. Structure determination and Hirshfeld surface analysis of new cocrystal and salt forms of 5-aminotetrazole with hydroxy- and nitro-substituted carboxylic acids. ACTA CRYSTALLOGRAPHICA SECTION C STRUCTURAL CHEMISTRY 2022; 78:414-423. [DOI: 10.1107/s2053229622006519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 06/23/2022] [Indexed: 11/10/2022]
Abstract
Two new crystalline solids, namely, 5-aminotetrazole–3,5-dihydroxybenzoic acid–water (1/4/6), CH3N5·4C7H6O4·6H2O (I), and 5-aminotetrazolium 3,5-dinitrosalicylate, CH4N5
+·C7H3N2O7
− (II), have been synthesized and characterized by single-crystal X-ray diffraction and Hirshfeld surface analysis. The crystal packing arrangements of I and II are governed by N—H...O and O—H...O hydrogen-bonding interactions. In cocrystal I, adjacent acid molecules are linked through O—H...O hydrogen bonds, forming a dimer with an R
2
2(8) motif. In salt II, the tetrazolium cation and acid anion are linked through N—H...O hydrogen bonds to also form a dimer with an R
2
2(8) motif. Further N—H...O and O—H...O hydrogen bonds help to stabilize the crystal packing, along with aromatic π–π stacking interactions in I and carbonyl...π interactions in II. The Hirshfeld surface analysis and fingerprint plots reveal that O...H/H...O interactions contribute 34.4% of the total interactions in the crystal packing of cocrystal I and 36.7% in salt II.
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2
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de Jesús Cruz P, Cassels WR, Chen CH, Johnson JS. Doubly stereoconvergent crystallization enabled by asymmetric catalysis. Science 2022; 376:1224-1230. [PMID: 35679416 DOI: 10.1126/science.abo5048] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Synthetic methods that enable simultaneous control over multiple stereogenic centers are desirable for the efficient preparation of pharmaceutical compounds. Herein, we report the discovery and development of a catalyst-mediated asymmetric Michael addition/crystallization-induced diastereomer transformation of broad scope. The sequence controls three stereogenic centers, two of which are stereochemically labile. The configurational instability of 1,3-dicarbonyls and nitroalkanes, typically considered a liability in stereoselective synthesis, is productively leveraged by merging enantioselective Brønsted base organocatalysis and thermodynamic stereocontrol using a single convergent crystallization. The synthesis of useful γ-nitro β-keto amides containing three contiguous stereogenic centers is thus achieved from Michael acceptors containing two prochiral centers.
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Affiliation(s)
- Pedro de Jesús Cruz
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - William R Cassels
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Chun-Hsing Chen
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Jeffrey S Johnson
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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3
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Skotnicki M, Hodgkinson P. Characterization of crystalline and amorphous forms of irbesartan by multi-nuclear solid-state NMR. SOLID STATE NUCLEAR MAGNETIC RESONANCE 2022; 118:101783. [PMID: 35247851 DOI: 10.1016/j.ssnmr.2022.101783] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 02/09/2022] [Accepted: 02/14/2022] [Indexed: 06/14/2023]
Abstract
Irbesartan (IRB) is an antihypertensive drug which exhibits the rare phenomenon of desmotropy; its 1H- and 2H- tetrazole tautomers can be isolated as distinct crystalline forms. The crystalline forms of IRB are poorly soluble, hence the amorphous form is potentially of interest for its faster dissolution rate. The tautomeric form and the nature of hydrogen bonding in amorphous IRB are unknown. In this study, crystalline form A and amorphous form of irbesartan were studied using 13C, 15N and 1H solid-state NMR. Variable-temperature 13C SSMNR studies showed alkyl chain disorder in the crystalline form of IRB, which may explain the conflicting literature crystal structures of form A (the marketed form). 15N NMR indicates that the amorphous material contains an approximately 2:1 ratio of 1H- and 2H-tetrazole tautomers. Static 1H SSNMR and relaxation time measurements confirmed different molecular mobilities of the samples and provided molecular-level insight into the nature of the glass transition. SSNMR is shown to be a powerful technique to investigate the solid state of disordered active pharmaceutical ingredients.
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Affiliation(s)
- Marcin Skotnicki
- Chair and Department of Pharmaceutical Technology, Poznan University of Medical Sciences, ul. Grunwaldzka 6, 60-780, Poznan, Poland.
| | - Paul Hodgkinson
- Department of Chemistry, Durham University, South Road, Durham, DH1 3LE, United Kingdom.
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4
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Kondhare DD, Bhadke VV, Deshmukh SS, Wakhradkar MG, Totawar BB. Eco-efficient one-pot tandem synthesis of 1-aryl-1H-tetrazol-5-amine by CAN via in situ generated 1-phenylthiourea and heterocumulene. J INDIAN CHEM SOC 2021. [DOI: 10.1016/j.jics.2021.100103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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5
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Georgiou N, Gkalpinos VK, Katsakos SD, Vassiliou S, Tzakos AG, Mavromoustakos T. Rational Design and Synthesis of AT1R Antagonists. Molecules 2021; 26:2927. [PMID: 34069122 PMCID: PMC8156919 DOI: 10.3390/molecules26102927] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/18/2021] [Accepted: 05/10/2021] [Indexed: 11/16/2022] Open
Abstract
Hypertension is one of the most common diseases nowadays and is still the major cause of premature death despite of the continuous discovery of novel therapeutics. The discovery of the Renin Angiotensin System (RAS) unveiled a path to develop efficient drugs to fruitfully combat hypertension. Several compounds that prevent the Angiotensin II hormone from binding and activating the AT1R, named sartans, have been developed. Herein, we report a comprehensive review of the synthetic paths followed for the development of different sartans since the discovery of the first sartan, Losartan.
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Affiliation(s)
- Nikitas Georgiou
- Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece;
| | - Vasileios K. Gkalpinos
- Department of Chemistry, Section of Organic Chemistry and Biochemistry, University of Ioannina, 45110 Ioannina, Greece; (V.K.G.); (S.D.K.)
| | - Spyridon D. Katsakos
- Department of Chemistry, Section of Organic Chemistry and Biochemistry, University of Ioannina, 45110 Ioannina, Greece; (V.K.G.); (S.D.K.)
| | - Stamatia Vassiliou
- Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece;
| | - Andreas G. Tzakos
- Department of Chemistry, Section of Organic Chemistry and Biochemistry, University of Ioannina, 45110 Ioannina, Greece; (V.K.G.); (S.D.K.)
- University Research Center of Ioannina (URCI), Institute of Materials Science and Computing, 45110 Ioannina, Greece
| | - Thomas Mavromoustakos
- Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece;
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6
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Pendem VB, Tamminana R, Nannapaneni M. Iron-promoted sulfur sequestration for the substituent-dependent regioselective synthesis of tetrazoles and guanidines. J Sulphur Chem 2021. [DOI: 10.1080/17415993.2021.1909589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
| | - Ramana Tamminana
- Department of Chemistry, GITAM Deemed University, Bengaluru, India
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7
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Sathishkumar S, Gayathri K. Synthesis of Tetrazole Derivatives. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2021. [DOI: 10.1134/s107042802103012x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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8
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Discovery of novel 2-aminonicotinonitrile derivatives with new potential autophagy activity. Future Med Chem 2020; 12:1399-1414. [PMID: 32705902 DOI: 10.4155/fmc-2019-0244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background: To clarify the molecular mechanism of novel 2-aminonicotinonitrile autophagy enhancers, two series of novel 2-aminonicotinonitrile derivatives are synthesized and their structure-activity relationship and biological activity were analyzed. Results & methodology: Structure-activity relationship analysis revealed that substituents at C-4 and C-6 position of 7a contribute to enhance their autophagy-inducing activity, while C-5 position substituents have the opposite effect. The most promising compound 7g showed the strongest autophagy-inducing activity and better antiproliferative activity by inducing cell apoptosis and blocking cell cycle G1 arrest in SGC-7901 cells. Conclusion: The novel 2-aminonicotinonitrile autophagy enhancers were for the first time discovered and 7g might be a promising new autophagy enhancer with potential anticancer activity.
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9
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McPhillie MJ, Zhou Y, Hickman MR, Gordon JA, Weber CR, Li Q, Lee PJ, Amporndanai K, Johnson RM, Darby H, Woods S, Li ZH, Priestley RS, Ristroph KD, Biering SB, El Bissati K, Hwang S, Hakim FE, Dovgin SM, Lykins JD, Roberts L, Hargrave K, Cong H, Sinai AP, Muench SP, Dubey JP, Prud'homme RK, Lorenzi HA, Biagini GA, Moreno SN, Roberts CW, Antonyuk SV, Fishwick CWG, McLeod R. Potent Tetrahydroquinolone Eliminates Apicomplexan Parasites. Front Cell Infect Microbiol 2020; 10:203. [PMID: 32626661 PMCID: PMC7311950 DOI: 10.3389/fcimb.2020.00203] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 04/16/2020] [Indexed: 12/29/2022] Open
Abstract
Apicomplexan infections cause substantial morbidity and mortality, worldwide. New, improved therapies are needed. Herein, we create a next generation anti-apicomplexan lead compound, JAG21, a tetrahydroquinolone, with increased sp3-character to improve parasite selectivity. Relative to other cytochrome b inhibitors, JAG21 has improved solubility and ADMET properties, without need for pro-drug. JAG21 significantly reduces Toxoplasma gondii tachyzoites and encysted bradyzoites in vitro, and in primary and established chronic murine infections. Moreover, JAG21 treatment leads to 100% survival. Further, JAG21 is efficacious against drug-resistant Plasmodium falciparum in vitro. Causal prophylaxis and radical cure are achieved after P. berghei sporozoite infection with oral administration of a single dose (2.5 mg/kg) or 3 days treatment at reduced dose (0.625 mg/kg/day), eliminating parasitemia, and leading to 100% survival. Enzymatic, binding, and co-crystallography/pharmacophore studies demonstrate selectivity for apicomplexan relative to mammalian enzymes. JAG21 has significant promise as a pre-clinical candidate for prevention, treatment, and cure of toxoplasmosis and malaria.
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Affiliation(s)
| | - Ying Zhou
- Department of Ophthalmology and Visual Sciences, The University of Chicago, Chicago, IL, United States
| | - Mark R. Hickman
- Experimental Therapeutics Branch, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - James A. Gordon
- School of Chemistry, The University of Leeds, Leeds, United Kingdom
| | | | - Qigui Li
- Experimental Therapeutics Branch, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Patty J. Lee
- Experimental Therapeutics Branch, Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | - Kangsa Amporndanai
- Department of Biochemistry and Systems Biology, Faculty of Health and Life Sciences, Institute of Systems, Molecular and Integrative Biology, The University of Liverpool, Liverpool, United Kingdom
| | - Rachel M. Johnson
- School of Biomedical Sciences, Faculty of Biological Sciences, and Astbury Centre for Structural Molecular Biology, The University of Leeds, Leeds, United Kingdom
| | - Heather Darby
- School of Chemistry, The University of Leeds, Leeds, United Kingdom
| | - Stuart Woods
- Strathclyde Institute of Pharmacy and Biomedical Sciences, The University of Strathclyde, Glasgow, United Kingdom
| | - Zhu-hong Li
- Department of Cellular Biology, Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, GA, United States
| | - Richard S. Priestley
- Department of Tropical Disease Biology, Research Center for Drugs and Diagnostics, The Liverpool School of Tropical Medicine, Liverpool, United Kingdom
| | - Kurt D. Ristroph
- Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ, United States
| | - Scott B. Biering
- Department of Pathology, The University of Chicago, Chicago, IL, United States
| | - Kamal El Bissati
- Department of Ophthalmology and Visual Sciences, The University of Chicago, Chicago, IL, United States
| | - Seungmin Hwang
- Department of Pathology, The University of Chicago, Chicago, IL, United States
| | - Farida Esaa Hakim
- Department of Ophthalmology and Visual Sciences, The University of Chicago, Chicago, IL, United States
| | - Sarah M. Dovgin
- Department of Ophthalmology and Visual Sciences, The University of Chicago, Chicago, IL, United States
| | - Joseph D. Lykins
- Department of Ophthalmology and Visual Sciences, The University of Chicago, Chicago, IL, United States
| | - Lucy Roberts
- Strathclyde Institute of Pharmacy and Biomedical Sciences, The University of Strathclyde, Glasgow, United Kingdom
| | - Kerrie Hargrave
- Strathclyde Institute of Pharmacy and Biomedical Sciences, The University of Strathclyde, Glasgow, United Kingdom
| | - Hua Cong
- School of Chemistry, The University of Leeds, Leeds, United Kingdom
| | - Anthony P. Sinai
- Microbiology, Immunology and Molecular Genetics, The University of Kentucky College of Medicine, Lexington, KY, United States
| | - Stephen P. Muench
- School of Biomedical Sciences, Faculty of Biological Sciences, and Astbury Centre for Structural Molecular Biology, The University of Leeds, Leeds, United Kingdom
| | - Jitender P. Dubey
- Animal Parasitic Diseases Laboratory (APDL), USDA-ARS, Beltsville, MD, United States
| | - Robert K. Prud'homme
- Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ, United States
| | - Hernan A. Lorenzi
- Department of Infectious Diseases, J Craig Venter Institute, Rockville, MD, United States
| | - Giancarlo A. Biagini
- Department of Tropical Disease Biology, Research Center for Drugs and Diagnostics, The Liverpool School of Tropical Medicine, Liverpool, United Kingdom
| | - Silvia N. Moreno
- Department of Cellular Biology, Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, GA, United States
| | - Craig W. Roberts
- Strathclyde Institute of Pharmacy and Biomedical Sciences, The University of Strathclyde, Glasgow, United Kingdom
| | - Svetlana V. Antonyuk
- Department of Biochemistry and Systems Biology, Faculty of Health and Life Sciences, Institute of Systems, Molecular and Integrative Biology, The University of Liverpool, Liverpool, United Kingdom
| | | | - Rima McLeod
- Department of Ophthalmology and Visual Sciences, The University of Chicago, Chicago, IL, United States
- Department of Pediatrics (Infectious Diseases), Institute of Genomics, Genetics, and Systems Biology, Global Health Center, Toxoplasmosis Center, CHeSS, The College, University of Chicago, Chicago, IL, United States
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10
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Ojha NK, Zyryanov GV, Majee A, Charushin VN, Chupakhin ON, Santra S. Copper nanoparticles as inexpensive and efficient catalyst: A valuable contribution in organic synthesis. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.10.004] [Citation(s) in RCA: 113] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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11
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Liu Y, Peng Y, Lu J, Wang J, Ma H, Song C, Liu B, Qiao Y, Yu W, Wu J, Chang J. Design, synthesis, and biological evaluation of new 1,2,3-triazolo-2'-deoxy-2'-fluoro- 4'-azido nucleoside derivatives as potent anti-HBV agents. Eur J Med Chem 2017; 143:137-149. [PMID: 29174810 DOI: 10.1016/j.ejmech.2017.11.028] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2017] [Revised: 10/23/2017] [Accepted: 11/08/2017] [Indexed: 01/15/2023]
Abstract
Novel drugs are urgently needed to combat hepatitis B virus (HBV) infection due to drug-resistant virus. In this paper, a series of novel 4-monosubstituted 2'-deoxy-2'-β-fluoro-4'-azido-β-d-arabinofuranosyl 1,2,3-triazole nucleoside analogues (1a-g) were designed, synthesized and screened for in vitro anti-HBV activity. At 5.0 μM in the cellular model, all the synthetic compounds display activities comparable to that of the positive control, lamivudine at 20 μM. Of the compounds tested, the amide-substituted analogue (1a) shows the most promising anti-HBV activity and low cytotoxicity in the cell model. In particular, it retains excellent activity against lamivudine-resistant HBV mutants. In duck HBV (DHBV)-infected duck models, both the serum and liver DHBV DNA levels (67.4% and 53.3%, respectively) were reduced markedly by the treatment with 1a. Analysis of the structure of HBV polymer/1a-triphosphate (1a-TP) complex shows that 1a-TP is stabilized by specific van der Waals interactions with the enzyme residues arising from 4-amino-1,2,3-triazole and the 4'-azido group.
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Affiliation(s)
- Yuan Liu
- College of Chemistry and Molecular Engineering, Zhengzhou University, Henan 450001, PR China
| | - Youmei Peng
- Henan Academy of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450052, PR China
| | - Jingjing Lu
- College of Chemistry and Molecular Engineering, Zhengzhou University, Henan 450001, PR China
| | - Jingwen Wang
- College of Chemistry and Molecular Engineering, Zhengzhou University, Henan 450001, PR China
| | - Haoran Ma
- College of Chemistry and Molecular Engineering, Zhengzhou University, Henan 450001, PR China
| | - Chuanjun Song
- College of Chemistry and Molecular Engineering, Zhengzhou University, Henan 450001, PR China
| | - Bingjie Liu
- College of Chemistry and Molecular Engineering, Zhengzhou University, Henan 450001, PR China
| | - Yan Qiao
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Wenquan Yu
- College of Chemistry and Molecular Engineering, Zhengzhou University, Henan 450001, PR China
| | - Jie Wu
- College of Chemistry and Molecular Engineering, Zhengzhou University, Henan 450001, PR China.
| | - Junbiao Chang
- College of Chemistry and Molecular Engineering, Zhengzhou University, Henan 450001, PR China; Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Zhengzhou 450001, PR China.
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12
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Biphenyls and their derivatives as synthetically and pharmacologically important aromatic structural moieties. ARAB J CHEM 2017. [DOI: 10.1016/j.arabjc.2013.07.035] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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13
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Maignan JR, Lichorowic CL, Giarrusso J, Blake LD, Casandra D, Mutka TS, LaCrue AN, Burrows JN, Willis PA, Kyle DE, Manetsch R. ICI 56,780 Optimization: Structure–Activity Relationship Studies of 7-(2-Phenoxyethoxy)-4(1H)-quinolones with Antimalarial Activity. J Med Chem 2016; 59:6943-60. [DOI: 10.1021/acs.jmedchem.6b00759] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Jordany R. Maignan
- Department
of Chemistry, University of South Florida, CHE 205, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
| | - Cynthia L. Lichorowic
- Department
of Chemistry, University of South Florida, CHE 205, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
- Department
of Chemistry and Chemical Biology, Northeastern University, 102 Hurtig
Hall, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
| | - James Giarrusso
- Department
of Chemistry, University of South Florida, CHE 205, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
| | - Lynn D. Blake
- Department
of Global Health, College of Public Health, University of South Florida, 3720 Spectrum Boulevard, Suite 304, Tampa, Florida 33612, United States
| | - Debora Casandra
- Department
of Global Health, College of Public Health, University of South Florida, 3720 Spectrum Boulevard, Suite 304, Tampa, Florida 33612, United States
| | - Tina S. Mutka
- Department
of Global Health, College of Public Health, University of South Florida, 3720 Spectrum Boulevard, Suite 304, Tampa, Florida 33612, United States
| | - Alexis N. LaCrue
- Department
of Global Health, College of Public Health, University of South Florida, 3720 Spectrum Boulevard, Suite 304, Tampa, Florida 33612, United States
| | - Jeremy N. Burrows
- Medicines for Malaria Venture, 20, Route de Pré-Bois, P.O. Box 1826, 1215 Geneva 15, Switzerland
| | - Paul A. Willis
- Medicines for Malaria Venture, 20, Route de Pré-Bois, P.O. Box 1826, 1215 Geneva 15, Switzerland
| | - Dennis E. Kyle
- Department
of Global Health, College of Public Health, University of South Florida, 3720 Spectrum Boulevard, Suite 304, Tampa, Florida 33612, United States
| | - Roman Manetsch
- Department
of Chemistry, University of South Florida, CHE 205, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
- Department
of Chemistry and Chemical Biology, Northeastern University, 102 Hurtig
Hall, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
- Department
of Pharmaceutical Sciences, Northeastern University, 102 Hurtig
Hall, 360 Huntington Avenue, Boston, Massachusetts 02115, United States
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14
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Yadav DKT, Bhanage BM. Rhodium-catalyzed synthesis of quinolines and imines under mild conditions. RSC Adv 2015. [DOI: 10.1039/c5ra08887a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
An efficient protocol for the synthesis of quinolines in aqueous medium using a Rh(ii)acetate/TPPTS recyclable catalytic system has been developed. Furthermore, imines were also synthesized from benzylamines in moderate to good yields under solvent free conditions.
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15
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Uma Maheswari S, Perumal S. An expedient domino three-component [3+2]-cycloaddition/annulation protocol: regio- and stereoselective assembly of novel polycyclic hybrid heterocycles with five contiguous stereocentres. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.10.074] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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16
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Qiu YF, Yang F, Qiu ZH, Zhong MJ, Wang LJ, Ye YY, Song B, Liang YM. Brønsted Acid Catalyzed and NIS-Promoted Cyclization of Diynones: Selective Synthesis of 4-Pyrone, 4-Pyridone, and 3-Pyrrolone Derivatives. J Org Chem 2013; 78:12018-28. [DOI: 10.1021/jo402055a] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Yi-Feng Qiu
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Fang Yang
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Zi-Hang Qiu
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Mei-Jin Zhong
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Li-Jing Wang
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Yu-Ying Ye
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Bo Song
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Yong-Min Liang
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
- State
Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical
Physics, Chinese Academy of Science, Lanzhou 730000, People’s Republic of China
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17
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Safa KD, Shokri T, Abbasi H, Teimuri-Mofrad R. One-Pot Synthesis of New 1,5-Disubstituted Tetrazoles Bearing 2,2-Bis(trimethylsilyl)ethenyl Groups via The Ugi Four-Component Condensation Reaction Catalyzed by MgBr2·2Et2O. J Heterocycl Chem 2013. [DOI: 10.1002/jhet.1858] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Kazem D. Safa
- Organosilicon Research Laboratory, Faculty of Chemistry; University of Tabriz; 5166616471 Tabriz Iran
| | - Tohid Shokri
- Organosilicon Research Laboratory, Faculty of Chemistry; University of Tabriz; 5166616471 Tabriz Iran
| | - Hassan Abbasi
- Organosilicon Research Laboratory, Faculty of Chemistry; University of Tabriz; 5166616471 Tabriz Iran
| | - Reza Teimuri-Mofrad
- Organosilicon Research Laboratory, Faculty of Chemistry; University of Tabriz; 5166616471 Tabriz Iran
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18
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Choir SY, Yang PH, Wang CLJ, Lu HH, Chen Y, Kao JM. The Syntheses of Triazinone and Pyrimidinone Biphenyltetrazoles as Angiotensin II Receptor Antagonists. J CHIN CHEM SOC-TAIP 2013. [DOI: 10.1002/jccs.199900007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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19
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Synthesis of 2,3-disubstituted quinolines from in situ generated imines and its enamine tautomer under radical cation induced conditions. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.07.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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20
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Bagdi AK, Santra S, Rahman M, Majee A, Hajra A. Synthesis of polysubstituted quinolines via copper(ii)-catalyzed annulation of 2-aminoaryl ketones with alkynoates. RSC Adv 2013. [DOI: 10.1039/c3ra45576a] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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21
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Chanda T, Verma RK, Singh MS. InCl3-Driven Regioselective Synthesis of Functionalized/Annulated Quinolines: Scope and Limitations. Chem Asian J 2012; 7:778-87. [DOI: 10.1002/asia.201100872] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2011] [Indexed: 11/11/2022]
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22
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Yella R, Khatun N, Rout SK, Patel BK. Tandem regioselective synthesis of tetrazoles and related heterocycles using iodine. Org Biomol Chem 2011; 9:3235-45. [PMID: 21431153 DOI: 10.1039/c0ob01007c] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A one-pot, tandem process has been developed for the synthesis of a library of tetrazoles from aryl isothiocyanates. Condensation of aryl isothiocyanates with ammonia, and aryl amines (R-NH(2)) provided mono, 1,3-disubstituted symmetrical and unsymmetrical thioureas, which on desulfurization with molecular iodine (I(2)) led to formation of the corresponding heterocumulene (cyanamides or carbodiimides). The in situ generated heterocumulene on subsequent treatment with sodium azide at room temperature gave corresponding tetrazoles. The product regioselectivity for unsymmetrical 1,3-disubstituted thioureas was found to be correlated with the basicities (pK(a)'s) of the parent amines attached to the thiourea. Aryl-sec-alkyl unsymmetrical thioureas gave thioamido guanidino products rather than the 5-aminotetrazoles produced by HgCl(2) mediation of the reaction. Bis-thioureas derived from aryl isothiocyanates and hydrazine gave thiadiazoles exclusively.
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Affiliation(s)
- Ramesh Yella
- Indian Institute of Technology Guwahati, Guwahati, 781 039, Assam, India
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Naik P, Murumkar P, Giridhar R, Yadav MR. Angiotensin II receptor type 1 (AT1) selective nonpeptidic antagonists—A perspective. Bioorg Med Chem 2010; 18:8418-56. [DOI: 10.1016/j.bmc.2010.10.043] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2010] [Revised: 10/14/2010] [Accepted: 10/15/2010] [Indexed: 10/18/2022]
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24
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25
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Affiliation(s)
- Tal Harel
- School of Chemistry, Tel-Aviv University, Tel-Aviv, Israel 69978
| | - Shlomo Rozen
- School of Chemistry, Tel-Aviv University, Tel-Aviv, Israel 69978
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Rostamizadeh S, Ghaieni H, Aryan R, Amani A. Zinc chloride catalyzed synthesis of 5-substituted 1H-tetrazoles under solvent free condition. CHINESE CHEM LETT 2009. [DOI: 10.1016/j.cclet.2009.06.020] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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27
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Srihari P, Dutta P, Rao RS, Yadav J, Chandrasekhar S, Thombare P, Mohapatra J, Chatterjee A, Jain MR. Solvent free synthesis of 1,5-disubstituted tetrazoles derived from Baylis Hillman acetates as potential TNF-α inhibitors. Bioorg Med Chem Lett 2009; 19:5569-72. [DOI: 10.1016/j.bmcl.2009.08.047] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2009] [Accepted: 08/12/2009] [Indexed: 11/28/2022]
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28
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Huggins MT, Barber PS, Florian D, Howton W. Short, Efficient Syntheses of Pyrrole α-Amides. SYNTHETIC COMMUN 2008. [DOI: 10.1080/00397910802323130] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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29
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Constable EC, Hermann BA, Housecroft CE, Neuburger M, Schaffner S, Scherer LJ. 2,2′:6′,2″-Terpyridine-4′(1′H)-thione: a missing link in metallosupramolecular chemistry. NEW J CHEM 2005. [DOI: 10.1039/b510792j] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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31
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Attanasi OA, Colombani SM, De Crescentini L, Giorgi R, Monti S, Perrone A, Perrulli FR, Renzetti AR, Santeusanio S. Synthesis of biphenylyltetrazole derivatives of 1-aminopyrroles as angiotensin II antagonists. FARMACO (SOCIETA CHIMICA ITALIANA : 1989) 1999; 54:64-76. [PMID: 10321031 DOI: 10.1016/s0014-827x(98)00100-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Based on preliminary molecular modelling study, the synthesis of two different classes of biphenylyltetrazole derivatives of 1-aminopyrroles, as potentially active non-peptide angiotensin II (AII) antagonists, is reported. Some NH-Boc protected l-aminopyrroles were deprotected, N-acylated, N-alkylated with 5-[4'-bromomethyl-1,1'-biphenyl-2-yl]-1-triphenylmethyl-1H-tetrazo le, and then detritylated to give the first class of title compounds. Other 1-NH-Boc protected 1,2-diaminopyrroles were regioselectively subjected to the 1-alkylation with 5-[4'-bromomethyl-1,1'-biphenyl-2-yl]-1-triphenylmethyl-1H-tetrazo le, to the acylation of the amino group at 2-position of the pyrrole ring, and then to the detritylation process to yield the second class of title compounds.
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Affiliation(s)
- O A Attanasi
- Institute of Organic Chemistry, Faculty of Science, Urbino University, Italy. (O.A. Attanasi)
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32
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Belvisi L, Bravi G, Catalano G, Mabilia M, Salimbeni A, Scolastico C. A 3D QSAR CoMFA study of non-peptide angiotensin II receptor antagonists. J Comput Aided Mol Des 1996; 10:567-82. [PMID: 9007690 DOI: 10.1007/bf00134180] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
A series of non-peptide angiotensin II receptor antagonists was investigated with the aim of developing a 3D QSAR model using comparative molecular field analysis descriptors and approaches. The main goals of the study were dictated by an interest in methodologies and an understanding of the binding requirements to the AT1 receptor. Consistency with the previously derived activity models was always checked to contemporarily test the validity of the various hypotheses. The specific conformations chosen for the study, the procedures invoked to superimpose all structures, the conditions employed to generate steric and electrostatic field values and the various PCA/PLS runs are discussed in detail. The effect of experimental design techniques to select objects (molecules) and variables (descriptors) with respect to the predictive power of the QSAR models derived was especially analysed.
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Affiliation(s)
- L Belvisi
- Organic and Industrial Chemistry Department, C.N.R. (National Research Council), University of Milan, Italy
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33
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Superimposition of potent non-peptide AT1 receptor antagonists with angiotensin II. ACTA ACUST UNITED AC 1996. [DOI: 10.1007/bf00128109] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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34
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Huff BE, LeTourneau ME, Staszak MA, Ward JA. Protection, metalation, and electrophilic substitution of 5-methyl tetrazole. Tetrahedron Lett 1996. [DOI: 10.1016/0040-4039(96)00654-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Wexler RR, Greenlee WJ, Irvin JD, Goldberg MR, Prendergast K, Smith RD, Timmermans PB. Nonpeptide angiotensin II receptor antagonists: the next generation in antihypertensive therapy. J Med Chem 1996; 39:625-56. [PMID: 8576904 DOI: 10.1021/jm9504722] [Citation(s) in RCA: 225] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- R R Wexler
- DuPont Merck Pharmaceutical Company, Wilmington, Delaware, USA
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36
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The synthesis and biological activity of tetrahydroquinoline angiotensin II antagonists containing a substituted biphenyltetrazole group. Bioorg Med Chem Lett 1994. [DOI: 10.1016/s0960-894x(01)80295-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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37
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Prendergast K, Adams K, Greenlee WJ, Nachbar RB, Patchett AA, Underwood DJ. Derivation of a 3D pharmacophore model for the angiotensin-II site one receptor. J Comput Aided Mol Des 1994; 8:491-512. [PMID: 7876897 DOI: 10.1007/bf00123662] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
A systematic search has been used to derive a hypothesis for the receptor-bound conformation of A-II antagonists at the AT1 receptor. The validity of the pharmacophore hypothesis has been tested using CoMFA, which included 50 diverse A-II antagonists, spanning four orders of magnitude in activity. The resulting cross-validated R2 of 0.64 (conventional R2 of 0.76) is indicative of a good predictive model of activity, and has been used to estimate potency for a variety of non-peptidyl antagonists. The structural model for the non-peptide has been compared with respect to the natural substrate, A-II, by generating peptide to non-peptide overlays.
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Affiliation(s)
- K Prendergast
- Molecular Systems Department, Merck Research Laboratories, Rahway, NJ 07065
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Bradbury R, Edwards M, Fisher E, Girdwood J, Major J, Oldham A, Patel M, Pearce R, Revill J, Ratcliffe A. New nonpeptide angiostensin II receptor antagonists. Synthesis, biological properties and structure-activity relationships of 3-substituted 2,6-dialkyl-4-(biphenyll)methylaminopyridine derivatives. Bioorg Med Chem Lett 1994. [DOI: 10.1016/s0960-894x(01)81136-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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39
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Huff BE, Staszak MA. A new method for the preparation of tetrazoles from nitriles using trimethylsilylazide/trimethylaluminum. Tetrahedron Lett 1993. [DOI: 10.1016/s0040-4039(00)61437-5] [Citation(s) in RCA: 82] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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