1
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Teli B, Wani MM, Jan S, Bhat HR, Bhat BA. Micelle-mediated synthesis of quinoxaline, 1,4-benzoxazine and 1,4-benzothiazine scaffolds from styrenes. Org Biomol Chem 2024; 22:6593-6604. [PMID: 39086328 DOI: 10.1039/d4ob00928b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2024]
Abstract
A range of heterocycles based on quinoxalines, 1,4-benzoxazines and 1,4-benzothiazines have been accessed from styrenes by reacting them with benzene-1,2-diamine, 2-aminophenol and 2-aminothiophenol respectively in micellar medium. This reaction occurring in a less explored cetylpyridinium bromide (CPB) micellar medium operates in the presence of NBS through a tandem hydrobromination-oxidation cascade, converting styrenes to phenacyl bromides. Its subsequent nucleophilic addition with aromatic 1,2-dinucleophiles and further transformations led to the formation of heterocyclic constructs. The locus of the reaction site was confirmed through NMR studies and the types of interactions between the CPB and solubilizates were established by DFT calculations.
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Affiliation(s)
- Bisma Teli
- CSIR-Indian Institute of Integrative Medicine, Sanatnagar, Srinagar-190005, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Mohmad Muzafar Wani
- CSIR-Indian Institute of Integrative Medicine, Sanatnagar, Srinagar-190005, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Shafia Jan
- CSIR-Indian Institute of Integrative Medicine, Sanatnagar, Srinagar-190005, India.
| | - Haamid Rasool Bhat
- CSIR-Indian Institute of Integrative Medicine, Sanatnagar, Srinagar-190005, India.
| | - Bilal A Bhat
- CSIR-Indian Institute of Integrative Medicine, Sanatnagar, Srinagar-190005, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
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2
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Teli B, Waseem MA, Rashid S, Ganaie BA, Bhat BA. Catalyst free synthesis of
2‐Aryl‐2
H
‐benzo[
b
][1,4]oxazines and
3‐Aryl‐2H
‐benzo[
b
][1,4]thiazin‐2‐ones: An ultrasonication‐assisted strategy. J Heterocycl Chem 2021. [DOI: 10.1002/jhet.4267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Bisma Teli
- Natural Products and Medicinal Chemistry CSIR‐Indian Institute of Integrative Medicine Jammu & Kashmir India
- Academy of Scientific & Innovative Research (AcSIR) Ghaziabad India
| | - Malik Abdul Waseem
- Natural Products and Medicinal Chemistry CSIR‐Indian Institute of Integrative Medicine Jammu & Kashmir India
| | - Showkat Rashid
- Natural Products and Medicinal Chemistry CSIR‐Indian Institute of Integrative Medicine Jammu & Kashmir India
| | - Bilal Ahmad Ganaie
- Natural Products and Medicinal Chemistry CSIR‐Indian Institute of Integrative Medicine Jammu & Kashmir India
| | - Bilal A. Bhat
- Natural Products and Medicinal Chemistry CSIR‐Indian Institute of Integrative Medicine Jammu & Kashmir India
- Academy of Scientific & Innovative Research (AcSIR) Ghaziabad India
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3
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Schweda SI, Alder A, Gilberger T, Kunick C. 4-Arylthieno[2,3- b]pyridine-2-carboxamides Are a New Class of Antiplasmodial Agents. Molecules 2020; 25:molecules25143187. [PMID: 32668631 PMCID: PMC7397174 DOI: 10.3390/molecules25143187] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/01/2020] [Accepted: 07/02/2020] [Indexed: 02/02/2023] Open
Abstract
Malaria causes hundreds of thousands of deaths every year, making it one of the most dangerous infectious diseases worldwide. Because the pathogens have developed resistance against most of the established anti-malarial drugs, new antiplasmodial agents are urgently needed. In analogy to similar antiplasmodial ketones, 4-arylthieno[2,3-b]pyridine-2-carboxamides were synthesized by Thorpe-Ziegler reactions. In contrast to the related ketones, these carboxamides are only weak inhibitors of the plasmodial enzyme PfGSK-3 but the compounds nevertheless show strong antiparasitic activity. The most potent representatives inhibit the pathogens with IC50 values in the two-digit nanomolar range and exhibit high selectivity indices (>100).
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Affiliation(s)
- Sandra I. Schweda
- Institut für Medizinische und Pharmazeutische Chemie, Technische Universität Braunschweig, 38106 Braunschweig, Germany;
- Zentrum für Pharmaverfahrenstechnik (PVZ), Technische Universität Braunschweig, Franz-Liszt-Straße 35A, 38106 Braunschweig, Germany
| | - Arne Alder
- Centre for Structural Systems Biology, 22607 Hamburg, Germany; (A.A.); (T.G.)
- Bernhard Nocht Institute for Tropical Medicine, 20359 Hamburg, Germany
- Department of Biology, University of Hamburg, 20146 Hamburg, Germany
| | - Tim Gilberger
- Centre for Structural Systems Biology, 22607 Hamburg, Germany; (A.A.); (T.G.)
- Bernhard Nocht Institute for Tropical Medicine, 20359 Hamburg, Germany
- Department of Biology, University of Hamburg, 20146 Hamburg, Germany
| | - Conrad Kunick
- Institut für Medizinische und Pharmazeutische Chemie, Technische Universität Braunschweig, 38106 Braunschweig, Germany;
- Zentrum für Pharmaverfahrenstechnik (PVZ), Technische Universität Braunschweig, Franz-Liszt-Straße 35A, 38106 Braunschweig, Germany
- Correspondence: ; Tel.: +49-(0)53-1391-2754
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4
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Ward CC, Kleinman JI, Brittain SM, Lee PS, Chung CYS, Kim K, Petri Y, Thomas JR, Tallarico JA, McKenna JM, Schirle M, Nomura DK. Covalent Ligand Screening Uncovers a RNF4 E3 Ligase Recruiter for Targeted Protein Degradation Applications. ACS Chem Biol 2019; 14:2430-2440. [PMID: 31059647 DOI: 10.1021/acschembio.8b01083] [Citation(s) in RCA: 186] [Impact Index Per Article: 37.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Targeted protein degradation has arisen as a powerful strategy for drug discovery allowing the targeting of undruggable proteins for proteasomal degradation. This approach most often employs heterobifunctional degraders consisting of a protein-targeting ligand linked to an E3 ligase recruiter to ubiquitinate and mark proteins of interest for proteasomal degradation. One challenge with this approach, however, is that only a few E3 ligase recruiters currently exist for targeted protein degradation applications, despite the hundreds of known E3 ligases in the human genome. Here, we utilized activity-based protein profiling (ABPP)-based covalent ligand screening approaches to identify cysteine-reactive small-molecules that react with the E3 ubiquitin ligase RNF4 and provide chemical starting points for the design of RNF4-based degraders. The hit covalent ligand from this screen reacted with either of two zinc-coordinating cysteines in the RING domain, C132 and C135, with no effect on RNF4 activity. We further optimized the potency of this hit and incorporated this potential RNF4 recruiter into a bifunctional degrader linked to JQ1, an inhibitor of the BET family of bromodomain proteins. We demonstrate that the resulting compound CCW 28-3 is capable of degrading BRD4 in a proteasome- and RNF4-dependent manner. In this study, we have shown the feasibility of using chemoproteomics-enabled covalent ligand screening platforms to expand the scope of E3 ligase recruiters that can be exploited for targeted protein degradation applications.
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Affiliation(s)
- Carl C. Ward
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, California 94720, United States
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, University of California, Berkeley, Berkeley, California 94720, United States
| | - Jordan I. Kleinman
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, University of California, Berkeley, Berkeley, California 94720, United States
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
| | - Scott M. Brittain
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, University of California, Berkeley, Berkeley, California 94720, United States
- Novartis Institutes for BioMedical Research, Cambridge, Massachusetts 02139, United States
| | - Patrick S. Lee
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, University of California, Berkeley, Berkeley, California 94720, United States
- Novartis Institutes for BioMedical Research, Emeryville, California 94608, United States
| | - Clive Yik Sham Chung
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, University of California, Berkeley, Berkeley, California 94720, United States
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
| | - Kenneth Kim
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, California 94720, United States
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, University of California, Berkeley, Berkeley, California 94720, United States
| | - Yana Petri
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, University of California, Berkeley, Berkeley, California 94720, United States
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
| | - Jason R. Thomas
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, University of California, Berkeley, Berkeley, California 94720, United States
- Novartis Institutes for BioMedical Research, Cambridge, Massachusetts 02139, United States
| | - John A. Tallarico
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, University of California, Berkeley, Berkeley, California 94720, United States
- Novartis Institutes for BioMedical Research, Cambridge, Massachusetts 02139, United States
| | - Jeffrey M. McKenna
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, University of California, Berkeley, Berkeley, California 94720, United States
- Novartis Institutes for BioMedical Research, Cambridge, Massachusetts 02139, United States
| | - Markus Schirle
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, University of California, Berkeley, Berkeley, California 94720, United States
- Novartis Institutes for BioMedical Research, Cambridge, Massachusetts 02139, United States
| | - Daniel K. Nomura
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, California 94720, United States
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, University of California, Berkeley, Berkeley, California 94720, United States
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, Berkeley, California 94720, United States
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5
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Spradlin JN, Hu X, Ward CC, Brittain SM, Jones MD, Ou L, To M, Proudfoot A, Ornelas E, Woldegiorgis M, Olzmann JA, Bussiere DE, Thomas JR, Tallarico JA, McKenna JM, Schirle M, Maimone TJ, Nomura DK. Harnessing the anti-cancer natural product nimbolide for targeted protein degradation. Nat Chem Biol 2019; 15:747-755. [PMID: 31209351 PMCID: PMC6592714 DOI: 10.1038/s41589-019-0304-8] [Citation(s) in RCA: 240] [Impact Index Per Article: 48.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 05/08/2019] [Indexed: 12/22/2022]
Abstract
Nimbolide, a terpenoid natural product derived from the Neem tree, impairs cancer pathogenicity; however, the direct targets and mechanisms by which nimbolide exerts its effects are poorly understood. Here, we used activity-based protein profiling (ABPP) chemoproteomic platforms to discover that nimbolide reacts with a novel functional cysteine crucial for substrate recognition in the E3 ubiquitin ligase RNF114. Nimbolide impairs breast cancer cell proliferation in-part by disrupting RNF114 substrate recognition, leading to inhibition of ubiquitination and degradation of the tumor-suppressors such as p21, resulting in their rapid stabilization. We further demonstrate that nimbolide can be harnessed to recruit RNF114 as an E3 ligase in targeted protein degradation applications and show that synthetically simpler scaffolds are also capable of accessing this unique reactive site. Our study highlights the utility of ABPP platforms in uncovering unique druggable modalities accessed by natural products for cancer therapy and targeted protein degradation applications.
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Affiliation(s)
- Jessica N Spradlin
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, USA.,Novartis-Berkeley Center for Proteomics and Chemistry Technologies, Berkeley, CA, USA
| | - Xirui Hu
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, USA.,Novartis-Berkeley Center for Proteomics and Chemistry Technologies, Berkeley, CA, USA
| | - Carl C Ward
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, Berkeley, CA, USA.,Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA, USA
| | - Scott M Brittain
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, Berkeley, CA, USA.,Novartis Institutes for BioMedical Research, Cambridge, MA, USA
| | - Michael D Jones
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, Berkeley, CA, USA.,Novartis Institutes for BioMedical Research, Cambridge, MA, USA
| | - Lisha Ou
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, USA.,Novartis-Berkeley Center for Proteomics and Chemistry Technologies, Berkeley, CA, USA
| | - Milton To
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, Berkeley, CA, USA
| | - Andrew Proudfoot
- Novartis Institutes for BioMedical Research, Emeryville, CA, USA
| | | | | | - James A Olzmann
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, Berkeley, CA, USA.,Chan Zuckerberg Biohub, San Francisco, CA, USA
| | - Dirksen E Bussiere
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, Berkeley, CA, USA.,Novartis Institutes for BioMedical Research, Emeryville, CA, USA
| | - Jason R Thomas
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, Berkeley, CA, USA.,Novartis Institutes for BioMedical Research, Cambridge, MA, USA.,Vertex Pharmaceuticals, Boston, MA, USA
| | - John A Tallarico
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, Berkeley, CA, USA.,Novartis Institutes for BioMedical Research, Cambridge, MA, USA
| | - Jeffrey M McKenna
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, Berkeley, CA, USA.,Novartis Institutes for BioMedical Research, Cambridge, MA, USA
| | - Markus Schirle
- Novartis-Berkeley Center for Proteomics and Chemistry Technologies, Berkeley, CA, USA.,Novartis Institutes for BioMedical Research, Cambridge, MA, USA
| | - Thomas J Maimone
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, USA. .,Novartis-Berkeley Center for Proteomics and Chemistry Technologies, Berkeley, CA, USA.
| | - Daniel K Nomura
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, USA. .,Novartis-Berkeley Center for Proteomics and Chemistry Technologies, Berkeley, CA, USA. .,Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA, USA. .,Department of Nutritional Sciences and Toxicology, University of California, Berkeley, Berkeley, CA, USA.
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6
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Synthesis, structure and biological activity 3- (arylmethyl) aminopyridine-2 (1 H ) -ones and 1 H -pyrido[2,3-b][1,4]oxazin-2(3 H )-ones. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2018.04.036] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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7
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Zhu T, Xiang J. Trifluoroacetic Acid-Mediated Nucleophilic Substitution/Smiles Rearrangement Cascade Reaction: An Alternative Approach to Constructing Pyrrole-Fused Dihydropteridines. Chem Heterocycl Compd (N Y) 2016. [DOI: 10.1007/s10593-016-1973-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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8
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Hu F, Liu H, Jia J, Ma C. Transition-metal-free synthesis of indole-fused dibenzo[b,f][1,4]oxazepines via Smiles rearrangement. Org Biomol Chem 2016; 14:11076-11079. [DOI: 10.1039/c6ob02098d] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A one-pot transition-metal-free approach for the synthesis of indole-fused dibenzo[b,f][1,4]oxazepines from 2-(1H-indol-2-yl)phenol and 1,2-dihalobenzenes or 2 halonitroarenes has been developed.
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Affiliation(s)
- Fangdong Hu
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
- P. R. China
| | - Huanhuan Liu
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
- P. R. China
| | - Jiong Jia
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
- P. R. China
| | - Chen Ma
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan 250100
- P. R. China
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines
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9
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Inam A, Van Zyl RL, van Vuuren NJ, Chen CT, Avecilla F, Agarwal SM, Azam A. Chloroquinoline–acetamide hybrids: a promising series of potential antiprotozoal agents. RSC Adv 2015. [DOI: 10.1039/c5ra05472a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
In an endeavour to develop efficacious antiprotozoal agents chloroquinoline–acetamide hybrids were synthesized and screened in vitro against E. histolytica and P. falciparum and molecular docking studies were performed against PfDHFR.
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Affiliation(s)
- Afreen Inam
- Department of Chemistry
- Jamia Millia Islamia
- New Delhi
- India
| | - Robyn L. Van Zyl
- Pharmacology Division
- Department of Pharmacy and Pharmacology
- WITS Research Institute for Malaria (WRIM)
- Faculty of Health Sciences
- University of Witwatersrand
| | - Natasha J. van Vuuren
- Pharmacology Division
- Department of Pharmacy and Pharmacology
- WITS Research Institute for Malaria (WRIM)
- Faculty of Health Sciences
- University of Witwatersrand
| | - Chien-Teng Chen
- Pharmacology Division
- Department of Pharmacy and Pharmacology
- WITS Research Institute for Malaria (WRIM)
- Faculty of Health Sciences
- University of Witwatersrand
| | - Fernando Avecilla
- Departamento de Química Fundamental
- Universidade da Coruña
- Campus da Zapateira
- 15071 A Coruña
- Spain
| | - Subhash M. Agarwal
- Bioinformatics Division
- Institute of Cytology and Preventive Oncology (ICMR) I-7
- Noida 201301
- India
| | - Amir Azam
- Department of Chemistry
- Jamia Millia Islamia
- New Delhi
- India
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10
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Luo K, Guo Q, Wang Y, Luo D. Crystal structure of 6-ethoxypyridin-1-ium-2-olate. Acta Crystallogr Sect E Struct Rep Online 2014; 70:o1146. [PMID: 25484792 PMCID: PMC4257288 DOI: 10.1107/s1600536814020224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2014] [Accepted: 09/09/2014] [Indexed: 11/10/2022]
Abstract
In the title compound, C7H9NO2, all non-H atoms are essentially coplanar [r.m.s. deviation = 0.032 Å]. The largest deviation from the plane of the pyridine ring is 0.105 (6) Å for the terminal C atom of the ethoxy group. In the crystal, molecules are linked by pairs of N—H...O hydrogen bonds, forming inversion dimers. These dimers are further linked by C—H...π interactions and weak π–π interactions between pyridine rings [centroid–centroid distance = 4.023 (1) Å].
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11
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Hu F, Cheng X, Niu Z, Yang X, Li D, Wan L, Li J, Liu B, Zou X, Yang H, Li B. Synthesis and Herbicidal Activities of 3-(4-Chloro-2-fluoro-5-substituted phenyl)benzo[d][1,2,3]triazin-4(3H)-one Derivatives. J Heterocycl Chem 2014. [DOI: 10.1002/jhet.2191] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Fangzhong Hu
- State Key Laboratory of Elemento-Organic Chemistry; Institute of Elemento-Organic Chemistry, Nankai University; Tianjin 300071 People's Republic of China
| | - Xinxin Cheng
- State Key Laboratory of Elemento-Organic Chemistry; Institute of Elemento-Organic Chemistry, Nankai University; Tianjin 300071 People's Republic of China
| | - Zixia Niu
- State Key Laboratory of Elemento-Organic Chemistry; Institute of Elemento-Organic Chemistry, Nankai University; Tianjin 300071 People's Republic of China
| | - Xiaobing Yang
- State Key Laboratory of Elemento-Organic Chemistry; Institute of Elemento-Organic Chemistry, Nankai University; Tianjin 300071 People's Republic of China
| | - Dan Li
- State Key Laboratory of Elemento-Organic Chemistry; Institute of Elemento-Organic Chemistry, Nankai University; Tianjin 300071 People's Republic of China
| | - Lei Wan
- State Key Laboratory of Elemento-Organic Chemistry; Institute of Elemento-Organic Chemistry, Nankai University; Tianjin 300071 People's Republic of China
| | - Junxiao Li
- State Key Laboratory of Elemento-Organic Chemistry; Institute of Elemento-Organic Chemistry, Nankai University; Tianjin 300071 People's Republic of China
| | - Bin Liu
- State Key Laboratory of Elemento-Organic Chemistry; Institute of Elemento-Organic Chemistry, Nankai University; Tianjin 300071 People's Republic of China
| | - Xiaomao Zou
- State Key Laboratory of Elemento-Organic Chemistry; Institute of Elemento-Organic Chemistry, Nankai University; Tianjin 300071 People's Republic of China
| | - Huazheng Yang
- State Key Laboratory of Elemento-Organic Chemistry; Institute of Elemento-Organic Chemistry, Nankai University; Tianjin 300071 People's Republic of China
| | - Bin Li
- Department of Pesticide Science; Shenyang Research Institute of Chemical Industry; Shenyang 110021 People's Republic of China
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12
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Ganguly NC, Mondal P, Roy S, Mitra P. Ligand-free copper-catalyzed efficient one-pot access of benzo[b]pyrido[3,2-f][1,4]oxazepinones through O-heteroarylation-Smiles rearrangement-cyclization cascade. RSC Adv 2014. [DOI: 10.1039/c4ra11128a] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
An optimized protocol towards synthesis of benzopyrido[1,4]oxazepinones of potential biological relevance is achieved by coupling of N-substituted-o-chloronicotinamides and o-halogenated naphthols/phenols.
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Affiliation(s)
- Nemai C. Ganguly
- Department of Chemistry
- University of Kalyani
- Kalyani 741235, India
| | - Pallab Mondal
- Department of Chemistry
- University of Kalyani
- Kalyani 741235, India
| | - Sushmita Roy
- Department of Chemistry
- University of Kalyani
- Kalyani 741235, India
| | - Partha Mitra
- Department of Inorganic Chemistry
- Indian Association for the Cultivation of Science
- Kolkata 700032, India
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13
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Xie YS, Vijaykumar B, Jang K, Choi KM, Zuo H, Yoon YJ, Shin DS. Smiles Rearrangement Based Practical One-pot Synthesis of N-Alkyl/aryl-6-aminoquinolines from 6-Hydroxylquinoline. B KOREAN CHEM SOC 2013. [DOI: 10.5012/bkcs.2013.34.12.3881] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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14
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First I2–K2CO3-promoted sequential C–N and C–O bond forming approach for one-pot synthesis of 1,4-benzoxazines. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.10.092] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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15
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Meng LJ, Zuo H, Vijaykumar B, Dupati G, Choi KM, Jang K, Yoon YJ, Shin DS. Microwave Synthesis of Chiral N-Benzyl-2-methyl-2H-benzo[b][1,4]oxazin/thiazin-3(4H)-ones via Smiles Rearrangement and their Biological Evaluation. B KOREAN CHEM SOC 2013. [DOI: 10.5012/bkcs.2013.34.2.585] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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16
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Sharifi A, Barazandeh M, Abaee MS, Mirzaei M. K2CO3/H2O in [omim][BF4] Ionic Liquid: A Green Medium for Efficient Room-Temperature Synthesis ofN-Substituted 1,4-Benzoxazin-3-ones. J Heterocycl Chem 2012. [DOI: 10.1002/jhet.866] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ali Sharifi
- Organic Chemistry Department; Chemistry & Chemical Engineering Research Center of Iran; Tehran; Iran
| | - Mehdi Barazandeh
- Organic Chemistry Department; Chemistry & Chemical Engineering Research Center of Iran; Tehran; Iran
| | - M. Saeed Abaee
- Organic Chemistry Department; Chemistry & Chemical Engineering Research Center of Iran; Tehran; Iran
| | - Mojtaba Mirzaei
- Organic Chemistry Department; Chemistry & Chemical Engineering Research Center of Iran; Tehran; Iran
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17
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Lim JM, Gam GH, Kim SH, Jang KW, Shin DS. Microwave-assisted Synthesis of Benzo-[1,4]-oxazinones Using MeO-PEG-OMe as Solvent. JOURNAL OF THE KOREAN CHEMICAL SOCIETY-DAEHAN HWAHAK HOE JEE 2012. [DOI: 10.5012/jkcs.2012.56.4.468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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18
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Iqbal J, Tangellamudi ND, Dulla B, Balasubramanian S. Sequential C–N and C–O Bond Formation in a Single Pot: Synthesis of 2H-Benzo[b][1,4]oxazines from 2,5-Dihydroxybenzaldehyde and Amino acid Precursors. Org Lett 2012; 14:552-5. [DOI: 10.1021/ol2031747] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Javed Iqbal
- Department of Medicinal Chemistry, Institute of Life Sciences, University of Hyderabad Campus, Hyderabad 500046, India, Institut fur Organische Chemie, Universitat Regensburg, Universitatsstr. 31, 93053 Regensburg, Germany, and Indian Institute of Chemical Technology, Hyderabad 500607, India
| | - Neelima D. Tangellamudi
- Department of Medicinal Chemistry, Institute of Life Sciences, University of Hyderabad Campus, Hyderabad 500046, India, Institut fur Organische Chemie, Universitat Regensburg, Universitatsstr. 31, 93053 Regensburg, Germany, and Indian Institute of Chemical Technology, Hyderabad 500607, India
| | - Balakrishna Dulla
- Department of Medicinal Chemistry, Institute of Life Sciences, University of Hyderabad Campus, Hyderabad 500046, India, Institut fur Organische Chemie, Universitat Regensburg, Universitatsstr. 31, 93053 Regensburg, Germany, and Indian Institute of Chemical Technology, Hyderabad 500607, India
| | - Sridhar Balasubramanian
- Department of Medicinal Chemistry, Institute of Life Sciences, University of Hyderabad Campus, Hyderabad 500046, India, Institut fur Organische Chemie, Universitat Regensburg, Universitatsstr. 31, 93053 Regensburg, Germany, and Indian Institute of Chemical Technology, Hyderabad 500607, India
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Ujam OT, Devoy SM, Henderson W, Nicholson BK, Hor TA. Dinuclear platinum complexes with designer thiolate ligands from the monoalkylation of [Pt2(μ-S)2(PPh3)4]. Inorganica Chim Acta 2010. [DOI: 10.1016/j.ica.2010.07.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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20
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Fang L, Zuo H, Li ZB, He XY, Wang LY, Tian X, Zhao BX, Miao JY, Shin DS. Synthesis of benzo[b][1,4]oxazin-3(4H)-ones via smiles rearrangement for antimicrobial activity. Med Chem Res 2010. [DOI: 10.1007/s00044-010-9360-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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21
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Patriciu OI, Fînaru AL, Massip S, Leger JM, Jarry C, Guillaumet G. Smiles Rearrangement as a Tool for the Preparation of Dihydrodipyridopyrazines. Org Lett 2009; 11:5502-5. [DOI: 10.1021/ol902369v] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Oana-Irina Patriciu
- Institut de Chimie Organique et Analytique (ICOA), Université d’Orléans, UMR CNRS 6005, BP 6759, rue de Chartres, 45067 Orléans Cedex 2, France, Laboratorul de Sinteză Organică şi Analiză Structurală, Universitatea din Bacău, 157, Calea Mărăşeşti, 600115 Bacău, România, and EA 4138, Pharmacochimie, Université Victor Segalen Bordeaux 2, 146, rue Leo Saignat, 33076 Bordeaux Cedex, France
| | - Adriana-Luminita Fînaru
- Institut de Chimie Organique et Analytique (ICOA), Université d’Orléans, UMR CNRS 6005, BP 6759, rue de Chartres, 45067 Orléans Cedex 2, France, Laboratorul de Sinteză Organică şi Analiză Structurală, Universitatea din Bacău, 157, Calea Mărăşeşti, 600115 Bacău, România, and EA 4138, Pharmacochimie, Université Victor Segalen Bordeaux 2, 146, rue Leo Saignat, 33076 Bordeaux Cedex, France
| | - Stéphane Massip
- Institut de Chimie Organique et Analytique (ICOA), Université d’Orléans, UMR CNRS 6005, BP 6759, rue de Chartres, 45067 Orléans Cedex 2, France, Laboratorul de Sinteză Organică şi Analiză Structurală, Universitatea din Bacău, 157, Calea Mărăşeşti, 600115 Bacău, România, and EA 4138, Pharmacochimie, Université Victor Segalen Bordeaux 2, 146, rue Leo Saignat, 33076 Bordeaux Cedex, France
| | - Jean-Michel Leger
- Institut de Chimie Organique et Analytique (ICOA), Université d’Orléans, UMR CNRS 6005, BP 6759, rue de Chartres, 45067 Orléans Cedex 2, France, Laboratorul de Sinteză Organică şi Analiză Structurală, Universitatea din Bacău, 157, Calea Mărăşeşti, 600115 Bacău, România, and EA 4138, Pharmacochimie, Université Victor Segalen Bordeaux 2, 146, rue Leo Saignat, 33076 Bordeaux Cedex, France
| | - Christian Jarry
- Institut de Chimie Organique et Analytique (ICOA), Université d’Orléans, UMR CNRS 6005, BP 6759, rue de Chartres, 45067 Orléans Cedex 2, France, Laboratorul de Sinteză Organică şi Analiză Structurală, Universitatea din Bacău, 157, Calea Mărăşeşti, 600115 Bacău, România, and EA 4138, Pharmacochimie, Université Victor Segalen Bordeaux 2, 146, rue Leo Saignat, 33076 Bordeaux Cedex, France
| | - Gérald Guillaumet
- Institut de Chimie Organique et Analytique (ICOA), Université d’Orléans, UMR CNRS 6005, BP 6759, rue de Chartres, 45067 Orléans Cedex 2, France, Laboratorul de Sinteză Organică şi Analiză Structurală, Universitatea din Bacău, 157, Calea Mărăşeşti, 600115 Bacău, România, and EA 4138, Pharmacochimie, Université Victor Segalen Bordeaux 2, 146, rue Leo Saignat, 33076 Bordeaux Cedex, France
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Solid-phase Synthesis of 7-Aryl-benzo[b][1,4]oxazin-3(4H)-one Derivatives on a BOMBA Resin Utilizing the Smiles Rearrangement. B KOREAN CHEM SOC 2009. [DOI: 10.5012/bkcs.2009.30.6.1325] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Zuo H, Li ZB, Ren FK, Falck J, Lijuan M, Ahn C, Shin DS. Microwave-assisted one-pot synthesis of benzo[b][1,4]thiazin-3(4H)-ones via Smiles rearrangement. Tetrahedron 2008. [DOI: 10.1016/j.tet.2008.07.059] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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25
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Microwave-assisted Synthesis of 2H-Benzo[b][1,4]oxazin-3(4H)-ones and 1H-Pyrido[2,3-b][1,4]oxazin-2(3H)-ones via Smiles Rearrangement. B KOREAN CHEM SOC 2008. [DOI: 10.5012/bkcs.2008.29.7.1379] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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26
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Zuo H, Meng L, Ghate M, Hwang KH, Kweon Cho Y, Chandrasekhar S, Raji Reddy C, Shin DS. Microwave-assisted one-pot synthesis of benzo[b][1,4]oxazin-3(4H)-ones via Smiles rearrangement. Tetrahedron Lett 2008. [DOI: 10.1016/j.tetlet.2008.03.120] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Qandil AM, Hassan MA, Al-Shar'i NA. Synthesis and anticandidal activity of azole-containing sulfonamides. Arch Pharm (Weinheim) 2008; 341:99-112. [PMID: 18214839 DOI: 10.1002/ardp.200700125] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Twenty five benzenesulfonamides containing one imidazole or triazole ring, or two imidazole or triazole rings have been synthesized and evaluated as anticandidal agents. The most active compounds were 5c, 6b, 6c, 6e, and 17b, which exhibited MIC values of 4.55-24.39 mM depending on the clinical isolate. Comparing imidazole to triazole derivatives did not show a clear effect on activity. Compounds containing a N-benzyl group also showed no clear evidence on activity given the fact that they have an extra aromatic ring. Secondary sulfonamides, 5l, 5m, and 5n showed activities that were proportional to their lipophilicity. The activities of N-aryl-substituted derivatives 5j, 5k, 5l, 5m, 5n, and 6j were also proportional to their lipophilicity. Halogenation enhanced the activity as a result of improvement of lipophilicity. The presence of two imidazole or triazole rings in the same compound did not show a clear enhancement of activity.
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Affiliation(s)
- Amjad M Qandil
- Department of Medicinal Chemistry and Pharmacognosy, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid, Jordan.
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Sun H, Li J, Zhang D, Ma C, Liu C. Theoretical evidence on O–N type smiles rearrangement mechanism: a computational study on the intramolecular cyclization ofN-methyl-2-(2-chloropyridin-3-yloxy)-acetamide anion. J PHYS ORG CHEM 2008. [DOI: 10.1002/poc.1298] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Characteristics of the Intermediates in the Cyclization Reactions of Heterocycle-fused[1,4]oxazine Derivatives: Stepwise versus Concerted. B KOREAN CHEM SOC 2007. [DOI: 10.5012/bkcs.2007.28.12.2219] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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31
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Nakatsuji H, Morimoto M, Misaki T, Tanabe Y. Mild, powerful, and robust methods for esterification, amide formation, and thioesterification between acid chlorides and alcohols, amines, thiols, respectively. Tetrahedron 2007. [DOI: 10.1016/j.tet.2007.08.117] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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32
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Ma C, Zhang Q, Ding K, Xin L, Zhang D. A novel DBU-promoted S–N-type Smiles rearrangement reaction under controlled microwave heating. Tetrahedron Lett 2007. [DOI: 10.1016/j.tetlet.2007.08.067] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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33
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Xiang J, Zheng L, Chen F, Dang Q, Bai X. A Cascade Reaction Consisting of Pictet−Spengler-Type Cyclization and Smiles Rearrangement: Application to the Synthesis of Novel Pyrrole-Fused Dihydropteridines. Org Lett 2007; 9:765-7. [PMID: 17279761 DOI: 10.1021/ol0629364] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
[reaction: see text] Tandem Pictet-Spengler-type cyclization and Smiles rearrangement have been discovered in the synthesis of pyrimidine-fused heterocycles. The reaction of 4-chloro-5-pyrrol-1-ylpyrimidine amino aldehyde with an amine under an acidic condition yielded the Pictet-Spengler-type cyclization product diazepine, which readily underwent Smiles rearrangement to give a novel pyrrolo[1,2-f]pteridine derivative.
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Affiliation(s)
- Jinbao Xiang
- The Center for Combinatorial Chemistry and Drug Discovery, Jilin University, 75 Haiwai Street, Changchun, Jilin 130012, P. R. China
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Baraldi PG, Preti D, Tabrizi MA, Fruttarolo F, Saponaro G, Baraldi S, Romagnoli R, Moorman AR, Gessi S, Varani K, Borea PA. N(6)-[(hetero)aryl/(cyclo)alkyl-carbamoyl-methoxy-phenyl]-(2-chloro)-5'-N-ethylcarboxamido-adenosines: the first example of adenosine-related structures with potent agonist activity at the human A(2B) adenosine receptor. Bioorg Med Chem 2007; 15:2514-27. [PMID: 17306548 DOI: 10.1016/j.bmc.2007.01.055] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2006] [Revised: 01/22/2007] [Accepted: 01/31/2007] [Indexed: 11/17/2022]
Abstract
A new series of N(6)-[(hetero)aryl/(cyclo)alkyl-carbamoyl-methoxy-phenyl]-(2-chloro)-5'-N-ethylcarboxamido-adenosines (24-43) has been synthesised and tested in binding assays at hA(1), hA(2A) and hA(3) adenosine receptors, and in a functional assay at the hA(2B) subtype. The examined compounds displayed high potency in activating A(2B) receptors with good selectivity versus A(2A) subtypes. The introduction of an unsubstituted 4-[(phenylcarbamoyl)-methoxy]-phenyl chain at the N(6) position of 5'-N-ethylcarboxamido-adenosine led us to the recognition of compound 24 as a full agonist displaying the highest efficacy of the series (EC(50) hA(2B)=7.3 nM). These compounds represent the first report about adenosine-related structures capable of activating hA(2B) subtype in the low nanomolar range.
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Ma C, Liu SJ, Xin L, Zhang Q, Ding K, Falck JR, Shin DS. Synthesis and Biological Evaluation of Pyridooxazine–Tetrahydroisoquinoline Derivatives as MDR Modulators. CHEM LETT 2006. [DOI: 10.1246/cl.2006.1010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Ma C, Liu SJ, Xin L, Falck J, Shin DS. Novel formation of 1,3-oxazepine heterocycles via palladium-catalyzed intramolecular coupling reaction. Tetrahedron 2006. [DOI: 10.1016/j.tet.2006.07.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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One-pot regioselective annulation toward 3,4-dihydro-3-oxo-2H-1,4-benzoxazine scaffolds under controlled microwave heating. Tetrahedron 2006. [DOI: 10.1016/j.tet.2005.12.059] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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38
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The Smiles Rearrangement and the Julia–Kocienski Olefination Reaction. Top Curr Chem (Cham) 2006; 275:163-250. [DOI: 10.1007/128_049] [Citation(s) in RCA: 105] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Chapter 6.1 Six-membered ring systems: Pyridines and benzo derivatives. ACTA ACUST UNITED AC 2005. [DOI: 10.1016/s0959-6380(05)80054-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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Lazar S, Soukri M, Leger J, Jarry C, Akssira M, Chirita R, Grig-Alexa I, Finaru A, Guillaumet G. Efficient synthesis of 2- and 3-substituted-2,3-dihydro [1,4]dioxino[2,3-b]pyridine derivatives. Tetrahedron 2004. [DOI: 10.1016/j.tet.2004.06.041] [Citation(s) in RCA: 8] [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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41
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Studies on uracils: a facile one-pot synthesis of oxazino[4,5-d]-, pyrano[2,3-d]-, pyrido[2,3-d]- and pyrimido[4,5-d]pyrimidines using microwave irradiation in the solid state. Tetrahedron Lett 2004. [DOI: 10.1016/j.tetlet.2004.01.094] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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