1
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Jin DY, Lin CW, Santhanam S, Lin PC. Rhodium(II)-Catalyzed Denitrogenative Annulation for the Synthesis of Substituted Tetrahydroisoquinolines. J Org Chem 2024; 89:4503-4511. [PMID: 38502929 DOI: 10.1021/acs.joc.3c02726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Abstract
Tetrahydroisoquinoline (THIQ) derivatives stand out as a promising class of compounds due to their diverse range of biological activities, making them particularly valuable in drug discovery. To enhance their structural diversity, an Rh-catalyzed denitrogenative annulation method has been introduced for synthesizing these derivatives. An intriguing aspect of this method is the ability of the Brønsted acid to prevent further annulation while facilitating the production of the desired THIQ derivatives, achieving impressive yields of up to 86%. This synthetic approach was subsequently leveraged to create an analogue of cyclocelabenzine, a compound showing potential as an anti-inflammatory agent.
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Affiliation(s)
- Dun-Yuan Jin
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung 804, Taiwan 70 Lienhai Road, Kaohsiung 80424, Taiwan
| | - Chia-Wei Lin
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung 804, Taiwan 70 Lienhai Road, Kaohsiung 80424, Taiwan
| | - Srinath Santhanam
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung 804, Taiwan 70 Lienhai Road, Kaohsiung 80424, Taiwan
| | - Po-Chiao Lin
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung 804, Taiwan 70 Lienhai Road, Kaohsiung 80424, Taiwan
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2
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Meng J, He H, Liu Q, Xu H, Huang H, Ni SF, Li Z. Enantioselective Palladium(II)-Catalyzed Desymmetrizative Coupling of 7-Azabenzonorbornadienes with Alkynylanilines. Angew Chem Int Ed Engl 2024; 63:e202315092. [PMID: 37943545 DOI: 10.1002/anie.202315092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/08/2023] [Accepted: 11/09/2023] [Indexed: 11/10/2023]
Abstract
A PdII -catalyzed, domino enantioselective desymmetrizative coupling of 7-azabenzonorbornadienes with alkynylanilines is disclosed herein. This operationally simple transformation generates three covalent bonds and two contiguous stereocenters with excellent enantio- and diastereo-selectivity. The resulting functionalized indole-dihydronaphthalene-amine conjugates served as an appealing platform to streamline the diversity-oriented synthesis (DOS) of other valuable enantioenriched compounds. DFT calculations revealed that the two stabilizing non-covalent interactions contributed to the observed enantioselectivity.
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Affiliation(s)
- Junjie Meng
- National Key Laboratory of Green Pesticide, College of Materials and Energy, South China Agricultural University, Guangzhou, 510641, Guangdong, China
| | - Hui He
- Department of Chemistry, Shantou University, Shantou, 515063, Guangdong, China
| | - Qianru Liu
- National Key Laboratory of Green Pesticide, College of Materials and Energy, South China Agricultural University, Guangzhou, 510641, Guangdong, China
| | - Hanhong Xu
- National Key Laboratory of Green Pesticide, College of Materials and Energy, South China Agricultural University, Guangzhou, 510641, Guangdong, China
| | - Huicai Huang
- Key Laboratory of Chinese Medicinal Resource from Lingnan, Ministry of Education, School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510641, Guangdong, China
| | - Shao-Fei Ni
- Department of Chemistry, Shantou University, Shantou, 515063, Guangdong, China
| | - Zhaodong Li
- National Key Laboratory of Green Pesticide, College of Materials and Energy, South China Agricultural University, Guangzhou, 510641, Guangdong, China
- National Key Laboratory on Technologies for Chinese Medicine Pharmaceutical Process Control and Intelligent Manufacture, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, Jiangsu, China
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3
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Ding S, Shi Y, Yang B, Hou M, He H, Gao S. Asymmetric Total Synthesis of Hasubanan Alkaloids: Periglaucines A-C, N,O-Dimethyloxostephine and Oxostephabenine. Angew Chem Int Ed Engl 2023; 62:e202214873. [PMID: 36357322 DOI: 10.1002/anie.202214873] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Indexed: 11/12/2022]
Abstract
We report herein the asymmetric total synthesis of periglaucines A-C, N,O-dimethyloxostephine and oxostephabenine. The key strategies used include: 1) a RhI -catalyzed regio- and diastereoselective Hayashi-Miyaura reaction to connect two necessary fragments; 2) an intramolecular photoenolization/Diels-Alder (PEDA) reaction to construct the highly functionalized tricyclic core skeleton bearing a quaternary center; 3) a bio-inspired intramolecular Michael addition and transannular acetalization to generate the aza[4.4.3]propellane and the tetrahydrofuran ring.
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Affiliation(s)
- Shaolei Ding
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N Zhongshan Road, Shanghai, 200062, China
| | - Yingbo Shi
- College of Chemistry and Materials Science, Sichuan Normal University, 5 Jingan Road, Chengdu, 610068, China
| | - Baochao Yang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N Zhongshan Road, Shanghai, 200062, China
| | - Min Hou
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N Zhongshan Road, Shanghai, 200062, China
| | - Haibing He
- Shanghai Frontiers Science Center of Molecule Intelligent Syntheses, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N Zhongshan Road, Shanghai, 200062, China
| | - Shuanhu Gao
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N Zhongshan Road, Shanghai, 200062, China.,Shanghai Frontiers Science Center of Molecule Intelligent Syntheses, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N Zhongshan Road, Shanghai, 200062, China
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4
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Diallo AG, Paris D, Faye D, Gaillard S, Lautens M, Renaud JL. Dual Ni/Organophotoredox Catalyzed Allylative Ring Opening Reaction of Oxabenzonorbornadienes and Analogs. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00512] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Abdoul G. Diallo
- Normandie University, LCMT, ENSICAEN, UNICAEN, CNRS, 14000 Caen, France
| | - Déborah Paris
- Normandie University, LCMT, ENSICAEN, UNICAEN, CNRS, 14000 Caen, France
| | - Djiby Faye
- Normandie University, LCMT, ENSICAEN, UNICAEN, CNRS, 14000 Caen, France
- University of Cheikh Anta Diop de Dakar, Department of Chemistry, Faculty of Sciences, 10700 Dakar, Sénégal
| | - Sylvain Gaillard
- Normandie University, LCMT, ENSICAEN, UNICAEN, CNRS, 14000 Caen, France
| | - Mark Lautens
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Jean-Luc Renaud
- Normandie University, LCMT, ENSICAEN, UNICAEN, CNRS, 14000 Caen, France
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5
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Ho A, Pounder A, Valluru K, Chen LD, Tam W. Iridium-catalyzed hydroacylation reactions of C1-substituted oxabenzonorbornadienes with salicylaldehyde: an experimental and computational study. Beilstein J Org Chem 2022; 18:251-261. [PMID: 35330776 PMCID: PMC8919423 DOI: 10.3762/bjoc.18.30] [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: 11/27/2021] [Accepted: 02/16/2022] [Indexed: 11/23/2022] Open
Abstract
An experimental and theoretical investigation on the iridium-catalyzed hydroacylation of C1-substituted oxabenzonorbornadienes with salicylaldehyde is reported. Utilizing commercially available [Ir(COD)Cl]2 in the presence of 5 M KOH in dioxane at 65 °C, provided a variety of hydroacylated bicyclic adducts in up to a 95% yield with complete stereo- and regioselectivity. The mechanism and origins of selectivity in the iridium-catalyzed hydroacylation reaction has been examined at the M06/Def2TZVP level of theory. The catalytic cycle consists of three key steps including oxidative addition into the aldehyde C–H bond, insertion of the olefin into the iridium hydride, and C–C bond-forming reductive elimination. Computational results indicate the origin of regioselectivity is involved in the reductive elimination step.
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Affiliation(s)
- Angel Ho
- Guelph-Waterloo Centre for Graduate Work in Chemistry and Biochemistry, Department of Chemistry, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
| | - Austin Pounder
- Guelph-Waterloo Centre for Graduate Work in Chemistry and Biochemistry, Department of Chemistry, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
| | - Krish Valluru
- Guelph-Waterloo Centre for Graduate Work in Chemistry and Biochemistry, Department of Chemistry, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
| | - Leanne D Chen
- Guelph-Waterloo Centre for Graduate Work in Chemistry and Biochemistry, Department of Chemistry, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
| | - William Tam
- Guelph-Waterloo Centre for Graduate Work in Chemistry and Biochemistry, Department of Chemistry, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
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6
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Zhu D, Zhao Y, Chong Q, Meng F. Cobalt‐Catalyzed
Enantioselec tive
Ring‐Opening
Reactions of Oxa‐ and Aza‐bicyclic Alkenes with Alkenylboronic Acids. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100622] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Di Zhu
- State Key Laboratory of Heavy Oil Processing, College of Science China University of Petroleum Beijing 102249 China
| | - Yongmei Zhao
- State Key Laboratory of Heavy Oil Processing, College of Science China University of Petroleum Beijing 102249 China
| | - Qinglei Chong
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road Shanghai 200032 China
| | - Fanke Meng
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road Shanghai 200032 China
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7
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Olivier WJ, Smith JA, Bissember AC. Synthesis of Pyrrolidine- and γ-Lactam-Containing Natural Products and Related Compounds from Pyrrole Scaffolds. CHEM REC 2021; 22:e202100277. [PMID: 34862727 DOI: 10.1002/tcr.202100277] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/18/2021] [Indexed: 11/11/2022]
Abstract
Polycyclic alkaloid natural products featuring pyrrolidine and pyrrolidinone motifs remain enduring targets of total synthesis endeavors. Pyrrole and its derivatives have been exploited to access many such frameworks, including alkaloids belonging to the Aspidosperma, Stemona, and batzelladine families. In this article, a selection of exemplars that highlight the utility of pyrrole-based approaches to facilitate total syntheses of pyrrolidine- and pyrrolidinone-containing alkaloids and related molecules are showcased.
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Affiliation(s)
- Wesley J Olivier
- School of Natural Sciences-Chemistry, University of Tasmania Hobart, Tasmania, Australia
| | - Jason A Smith
- School of Natural Sciences-Chemistry, University of Tasmania Hobart, Tasmania, Australia
| | - Alex C Bissember
- School of Natural Sciences-Chemistry, University of Tasmania Hobart, Tasmania, Australia
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8
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Vivek Kumar S, Yen A, Lautens M, Guiry PJ. Catalytic asymmetric transformations of oxa- and azabicyclic alkenes. Chem Soc Rev 2021; 50:3013-3093. [DOI: 10.1039/d0cs00702a] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
This review provides an overview of the fundamental concepts and recent developments in a wide range of enantioselective transformations involving oxa- and azabicyclic alkenes.
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Affiliation(s)
- Sundaravel Vivek Kumar
- Synthesis and Solid State Pharmaceutical Centre
- Centre for Synthesis and Chemical Biology
- School of Chemistry
- University College Dublin
- Dublin 4
| | - Andy Yen
- Department of Chemistry
- The University of Manchester
- Manchester M13 9PL
- UK
| | - Mark Lautens
- Department of Chemistry
- Davenport Chemical Laboratories
- University of Toronto
- Toronto
- Canada
| | - Patrick J. Guiry
- Synthesis and Solid State Pharmaceutical Centre
- Centre for Synthesis and Chemical Biology
- School of Chemistry
- University College Dublin
- Dublin 4
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9
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Hutchings‐Goetz LS, Yang C, Fyfe JWB, Snaddon TN. Enantioselective Syntheses of
Strychnos
and
Chelidonium
Alkaloids through Regio‐ and Stereocontrolled Cooperative Catalysis. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202005151] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Luke S. Hutchings‐Goetz
- Department of Chemistry Indiana University 800 East Kirkwood Avenue Bloomington IN 47405 USA
| | - Chao Yang
- Department of Chemistry Indiana University 800 East Kirkwood Avenue Bloomington IN 47405 USA
| | - James W. B. Fyfe
- Department of Chemistry Indiana University 800 East Kirkwood Avenue Bloomington IN 47405 USA
| | - Thomas N. Snaddon
- Department of Chemistry Indiana University 800 East Kirkwood Avenue Bloomington IN 47405 USA
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10
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Das Adhikari G, Chebolu R, Ravikumar PC. Regio- and Stereoselective Synthesis of the Core Structure of Hexahydrobenzo[ c]phenanthridine Alkaloids via Redox-Neutral Cp*Rh(III)-Catalyzed C-H/N-H Annulation of Cyclic Alkenes with Benzamides. ACS OMEGA 2020; 5:24033-24044. [PMID: 32984725 PMCID: PMC7513371 DOI: 10.1021/acsomega.0c03434] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 09/02/2020] [Indexed: 06/11/2023]
Abstract
A highly stereo- and regioselective synthesis of the core skeleton of hexahydrobenzo[c]phenanthridine-type alkaloids is reported herein for the first time. A wide range of substrate scope, excellent functional group tolerance, and good to excellent yields were observed. This protocol gives very concise and efficient access to the core skeleton of chelidonine alkaloids as compared to the earlier approaches.
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11
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Hutchings‐Goetz LS, Yang C, Fyfe JWB, Snaddon TN. Enantioselective Syntheses of
Strychnos
and
Chelidonium
Alkaloids through Regio‐ and Stereocontrolled Cooperative Catalysis. Angew Chem Int Ed Engl 2020; 59:17556-17564. [DOI: 10.1002/anie.202005151] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Indexed: 02/06/2023]
Affiliation(s)
- Luke S. Hutchings‐Goetz
- Department of Chemistry Indiana University 800 East Kirkwood Avenue Bloomington IN 47405 USA
| | - Chao Yang
- Department of Chemistry Indiana University 800 East Kirkwood Avenue Bloomington IN 47405 USA
| | - James W. B. Fyfe
- Department of Chemistry Indiana University 800 East Kirkwood Avenue Bloomington IN 47405 USA
| | - Thomas N. Snaddon
- Department of Chemistry Indiana University 800 East Kirkwood Avenue Bloomington IN 47405 USA
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12
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Huang X, Cheng K, Liu L, Hu X, Gao X, Li H, Xu F, Li Z, Hua H, Li D. Design, synthesis and apoptosis-related antiproliferative activities of chelidonine derivatives. Bioorg Med Chem Lett 2020; 30:126913. [PMID: 31883693 DOI: 10.1016/j.bmcl.2019.126913] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 12/11/2019] [Accepted: 12/16/2019] [Indexed: 11/25/2022]
Abstract
To get chelidonine derivatives with enhanced antiproliferative activity and selectivity, a series of nitric oxide donating derivatives (10a-f and 11a-j) were designed, synthesized and biologically evaluated. Compared with chelidonine, these compounds exhibited lower IC50 values against human hepatoma cells HepG2, breast cancer cells MCF-7, colon cancer cells HCT-116, as well as leukemia cells K562. Compound 11j displayed the strongest antiproliferative activity with IC50 values of 3.91, 6.90, 4.36 and 1.12 μM against the above four cells, respectively. Nevertheless, it showed an IC50 value >40 μM against human peripheral blood mononuclear cells (PBMCs), which demonstrated high selectivity between normal and cancer blood cells. In further mechanism studies, 11j showed the capability to induce K562 cells apoptosis, S phase cell cycle arrest and mitochondrial membrane potential disorder. Besides, 11j was found to be effective in promoting the expression of proapoptotic protein Bad and suppressing the expression of anti-apoptotic proteins Bcl-xL, catalase, survivin, claspin and clusterin.
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Affiliation(s)
- Xueyan Huang
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, PR China
| | - Keguang Cheng
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, and School of Chemistry and Pharmacy, Guangxi Normal University, 15 Yucai Raod, Guilin 541004, PR China
| | - Lilin Liu
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, PR China
| | - Xu Hu
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, PR China
| | - Xiang Gao
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, PR China
| | - Haonan Li
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, PR China
| | - Fanxing Xu
- Wuya College of Innovation, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, PR China.
| | - Zhanlin Li
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, PR China
| | - Huiming Hua
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, PR China.
| | - Dahong Li
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, PR China.
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13
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Singh A, Hakk H, Lupton S. Facile synthesis of bromo- and mixed bromo/chloro dibenzo-p-dioxins and [ 14C]-labeled 1,3,7,8-tetrabromodibenzo-p-dioxin. CHEMOSPHERE 2020; 239:124626. [PMID: 31518918 DOI: 10.1016/j.chemosphere.2019.124626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 08/16/2019] [Accepted: 08/19/2019] [Indexed: 06/10/2023]
Abstract
Polybrominated dibenzo-p-dioxins (PBDDs) and mixed bromo/chloro dibenzo-p-dioxins (PXDDs) are persistent organic pollutants that can possess the same toxicity as their fully chlorinated analogs (PCDDs) and have been identified in the same matrices. Herein a general synthetic methodology is described to produce multiple congeners of PBDDs and PXDDs with varying degrees of halogenation and substitution patterns for use as analytical and/or internal standards, and for absorption, disposition, metabolism, and excretion (ADME) studies. The syntheses of PBDDs and PXDDs were accomplished by condensing a common precursor, 4,5-dibromo catechol, with variable precursors, i.e., polychlorinated 1-chloro-2-nitrobenzenes or polybrominated 1-fluoro-2-nitrobenzenes, to introduce a desired number of halogens and specific substitution patterns. Initial attempts to synthesize PBDDs and PXDDs were performed in potassium carbonate with DMSO at 145-150 °C. PXDDs syntheses resulted in formation of the desired products at >90% purity but attempts at higher brominated PBDDs syntheses resulted in dehalogenated by-products. To preclude by-product formation, additional syntheses for some PBDDs were conducted by refluxing the precursors in acetonitrile, which resulted in pure products at higher yield. Six PXDDs ranging from four to six halogens were synthesized (20-84% yield), of which three contained the halogen substitution pattern of 2,3,7,8. Five PBDDs ranging from four to six bromines were produced in 23-83% yield, three of which were toxic. Using the initial DMSO method, [14C]-1,3,7,8-tetrabromodibenzo-p-dioxin (0.26 μCi/μmol; 11% overall yield) was synthesized from commercially available [14C]-phenol to allow an ADME study to be conducted.
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Affiliation(s)
- Anuradha Singh
- United States Department of Agriculture, Agricultural Research Service, Edward T. Schafer Agricultural Research Center, Fargo, ND, 58102, USA
| | - Heldur Hakk
- United States Department of Agriculture, Agricultural Research Service, Edward T. Schafer Agricultural Research Center, Fargo, ND, 58102, USA.
| | - Sara Lupton
- United States Department of Agriculture, Agricultural Research Service, Edward T. Schafer Agricultural Research Center, Fargo, ND, 58102, USA
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14
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Zhang X, Gao Y, Chen J, Fan R, Shi G, He Z, Fan B. Rh(III)‐Catalyzed Ring‐Opening Addition of Azabenzonorbornadienes with Cyclic
N
‐Sulfonyl Ketimines
via
C−H Bond Activation. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900622] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xuexin Zhang
- YMU-HKBU Joint Laboratory of Traditional Natural MedicineYunnan Minzu University, Yuehua Street Kunming 650500 People's Republic of China
| | - Yang Gao
- YMU-HKBU Joint Laboratory of Traditional Natural MedicineYunnan Minzu University, Yuehua Street Kunming 650500 People's Republic of China
| | - Jingchao Chen
- YMU-HKBU Joint Laboratory of Traditional Natural MedicineYunnan Minzu University, Yuehua Street Kunming 650500 People's Republic of China
| | - Ruifeng Fan
- Key Laboratory of Chemistry in Ethnic Medicinal ResourcesYunnan Minzu University Yuehua Street Kunming 650500 People's Republic of China
| | - Guangrui Shi
- YMU-HKBU Joint Laboratory of Traditional Natural MedicineYunnan Minzu University, Yuehua Street Kunming 650500 People's Republic of China
| | - Zhenxiu He
- YMU-HKBU Joint Laboratory of Traditional Natural MedicineYunnan Minzu University, Yuehua Street Kunming 650500 People's Republic of China
| | - Baomin Fan
- YMU-HKBU Joint Laboratory of Traditional Natural MedicineYunnan Minzu University, Yuehua Street Kunming 650500 People's Republic of China
- Key Laboratory of Chemistry in Ethnic Medicinal ResourcesYunnan Minzu University Yuehua Street Kunming 650500 People's Republic of China
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15
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Hiscock LK, Raycraft BM, Wałęsa-Chorab M, Cambe C, Malinge A, Skene WG, Taing H, Eichhorn SH, Dawe LN, Maly KE. Synthesis and Characterization of Liquid-Crystalline Tetraoxapentacene Derivatives Exhibiting Aggregation-Induced Emission. Chemistry 2019; 25:1018-1028. [PMID: 30335207 DOI: 10.1002/chem.201804215] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2018] [Indexed: 11/08/2022]
Abstract
A series of new tetrakis(dialkoxyphenyl) dicyanotetraoxapentacene derivatives (1 a-c) were prepared by reaction of the appropriate terphenyl diols with tetrafluoroterephthalonitrile in good yields. Compounds 1 b and 1 c, which bear hexyloxy and decyloxy side chains, exhibited columnar hexagonal mesophases, as shown by polarized optical microscopy, variable-temperature powder X-ray diffraction, and differential scanning calorimetry. Single-crystal X-ray diffraction of methoxy-substituted 1 a revealed that the dicyanotetraoxapentacene core is highly planar, consistent with the notion that these molecules are able to stack in columnar mesophases. A detailed photophysical characterization showed that these compounds exhibit aggregation-induced emission in solution, emission in nonpolar solvents, weak emission in polar solvents, and strong emission in the solid state both as powder and in thin films. These observations are consistent with a weakly emissive charge-transfer state in polar solvents and a more highly emissive locally excited state in nonpolar solvents.
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Affiliation(s)
- Lana K Hiscock
- Department of Chemistry and Biochemistry, Wilfrid Laurier University, 75 University Ave. W., Waterloo, ON, N2L 3C5, Canada
| | - Brooke M Raycraft
- Department of Chemistry and Biochemistry, Wilfrid Laurier University, 75 University Ave. W., Waterloo, ON, N2L 3C5, Canada
| | - Monika Wałęsa-Chorab
- Département de Chimie, Université de Montréal, CP 6128, Centre-ville Montreal, QC, H3C 3J7, Canada.,Current address: Faculty of Chemistry, Adam Mickiewicz University in Poznań, Umultowska 89b, 61614, Poznań, Poland
| | - Coralie Cambe
- Département de Chimie, Université de Montréal, CP 6128, Centre-ville Montreal, QC, H3C 3J7, Canada
| | - Alexandre Malinge
- Département de Chimie, Université de Montréal, CP 6128, Centre-ville Montreal, QC, H3C 3J7, Canada
| | - W G Skene
- Département de Chimie, Université de Montréal, CP 6128, Centre-ville Montreal, QC, H3C 3J7, Canada
| | - Hi Taing
- Department of Chemistry and Biochemistry, University of Windsor, Essex Hall, 401 Sunset Ave., Windsor, ON, N9B 3P4, Canada
| | - S Holger Eichhorn
- Department of Chemistry and Biochemistry, University of Windsor, Essex Hall, 401 Sunset Ave., Windsor, ON, N9B 3P4, Canada
| | - Louise N Dawe
- Department of Chemistry and Biochemistry, Wilfrid Laurier University, 75 University Ave. W., Waterloo, ON, N2L 3C5, Canada
| | - Kenneth E Maly
- Department of Chemistry and Biochemistry, Wilfrid Laurier University, 75 University Ave. W., Waterloo, ON, N2L 3C5, Canada
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16
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Shen G, Khan R, Yang F, Yang Y, Pu D, Gao Y, Zhan Y, Luo Y, Fan B. Pd/Zn Co-catalyzed Asymmetric Ring-Opening Reactions of Aza/Oxabicyclic Alkenes with Oximes. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800569] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Guoli Shen
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine/Key Laboratory of Chemistry in Ethnic Medicinal Resources; Yunnan Minzu University; Kunming 650500 China
| | - Ruhima Khan
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine/Key Laboratory of Chemistry in Ethnic Medicinal Resources; Yunnan Minzu University; Kunming 650500 China
| | - Fan Yang
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine/Key Laboratory of Chemistry in Ethnic Medicinal Resources; Yunnan Minzu University; Kunming 650500 China
| | - Yong Yang
- Chongqing Academy of Chinese Materia Medica; Chongqing 400065 China
| | - Dongdong Pu
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine/Key Laboratory of Chemistry in Ethnic Medicinal Resources; Yunnan Minzu University; Kunming 650500 China
| | - Yang Gao
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine/Key Laboratory of Chemistry in Ethnic Medicinal Resources; Yunnan Minzu University; Kunming 650500 China
| | - Yong Zhan
- Chongqing Academy of Chinese Materia Medica; Chongqing 400065 China
| | - Yang Luo
- Chongqing Academy of Chinese Materia Medica; Chongqing 400065 China
| | - Baomin Fan
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine/Key Laboratory of Chemistry in Ethnic Medicinal Resources; Yunnan Minzu University; Kunming 650500 China
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17
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Gao C, Du Y, Wang X, Cao H, Lin B, Liu Y, Di X. Hexahydrobenzophenanthridine alkaloids from Corydalis bungeana Turcz. and their anti-inflammatory activity. Bioorg Med Chem Lett 2018; 28:2265-2269. [DOI: 10.1016/j.bmcl.2018.05.039] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2018] [Revised: 05/11/2018] [Accepted: 05/18/2018] [Indexed: 11/30/2022]
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18
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Chen J, Zou L, Zeng C, Zhou Y, Fan B. Rhodium-Catalyzed Asymmetric Arylative Ring-Opening Reactions of Heterobicyclic Alkenes with Anilines. Org Lett 2018; 20:1283-1286. [DOI: 10.1021/acs.orglett.7b03941] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jingchao Chen
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan 650500, People’s Republic of China
| | - Lingling Zou
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan 650500, People’s Republic of China
| | - Chaoyuan Zeng
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan 650500, People’s Republic of China
| | - Yongyun Zhou
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan 650500, People’s Republic of China
| | - Baomin Fan
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan 650500, People’s Republic of China
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19
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Zhou Y, Yu L, Chen J, Xu J, He Z, Shen G, Fan B. Rhodium-Catalyzed Asymmetric Cyclization/Addition Reactions of 1,6-Enynes and Oxa/Azabenzonorbornadienes. Org Lett 2018; 20:1291-1294. [DOI: 10.1021/acs.orglett.7b04044] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yongyun Zhou
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan 650500, People’s Republic of China
| | - Lu Yu
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan 650500, People’s Republic of China
| | - Jingchao Chen
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan 650500, People’s Republic of China
| | - Jianbin Xu
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan 650500, People’s Republic of China
| | - Zhenxiu He
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan 650500, People’s Republic of China
| | - Guoli Shen
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan 650500, People’s Republic of China
| | - Baomin Fan
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan 650500, People’s Republic of China
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20
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Gao C, Gu X, Wang X, Cao H, Lin B, Liu Y, Di X. Corygaline A, a hexahydrobenzophenanthridine alkaloid with an unusual carbon skeleton from Corydalis bungeana Turcz. Org Biomol Chem 2018; 16:8710-8714. [DOI: 10.1039/c8ob02194e] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A novel hexahydrobenzophenanthridine alkaloid, corygaline A (1), was isolated from Corydalis bungeana Turcz.
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Affiliation(s)
- Chang Gao
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang 110016
- PR China
| | - Xiaoting Gu
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang 110016
- PR China
| | - Xin Wang
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang 110016
- PR China
| | - Huikun Cao
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang 110016
- PR China
| | - Bin Lin
- School of Pharmaceutical Engineering
- Shenyang Pharmaceutical University
- Shenyang 110016
- PR China
| | - Youping Liu
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang 110016
- PR China
| | - Xin Di
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang 110016
- PR China
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21
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Li Y, Chen J, He Z, Qin H, Zhou Y, Khan R, Fan B. Cobalt-catalyzed asymmetric reactions of heterobicyclic alkenes with in situ generated organozinc halides. Org Chem Front 2018. [DOI: 10.1039/c7qo01064h] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
A general strategy for the asymmetric allylation and benzylation of heterobicyclic alkenes is described by employing in situ generated organozinc halides.
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Affiliation(s)
- Yun Li
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Jingchao Chen
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Zhenxiu He
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Hongyu Qin
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Yongyun Zhou
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Ruhima Khan
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
| | - Baomin Fan
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine
- Yunnan Minzu University
- Kunming
- China
- Key Laboratory of Chemistry in Ethnic Medicinal Resources
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22
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Xu J, Liu Y, Zhang J, Xu X, Jin Z. Palladium-catalyzed enantioselective C(sp2)–H arylation of ferrocenyl ketones enabled by a chiral transient directing group. Chem Commun (Camb) 2018; 54:689-692. [DOI: 10.1039/c7cc09273c] [Citation(s) in RCA: 91] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
A carboxylate-assisted palladium-catalyzed enantioselective C(sp2)–H arylation of ferrocenyl ketones is achieved through utilizing catalyticl-tert-leucine as a chiral transient directing group.
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Affiliation(s)
- Jiancong Xu
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin
- China
| | - Yang Liu
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin
- China
| | - Jinling Zhang
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin
- China
| | - Xiaohua Xu
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin
- China
| | - Zhong Jin
- State Key Laboratory and Institute of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin
- China
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23
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Li RQ, He Y, Ding Y, Ang CK, Tian JS, Loh TP. Formal synthesis of chelamidine alkaloids and their derivatives. Chem Commun (Camb) 2018. [DOI: 10.1039/c7cc09875h] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A concise two-step operation of α-amination of aldehydes and subsequent Friedel–Crafts/Prins-type cyclization towards accessing tetrahydrobenzo[c]phenanthridine and related structures was developed. In addition, the effectiveness of this protocol was also demonstrated in the formal synthesis of homochelidonine and chelamidine.
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Affiliation(s)
- Rui-Qi Li
- Institute of Advanced Synthesis (IAS), School of Chemistry and Molecular Engineering (SCME), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech)
- Nanjing 211816
- P. R. China
| | - Yu He
- Institute of Advanced Synthesis (IAS), School of Chemistry and Molecular Engineering (SCME), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech)
- Nanjing 211816
- P. R. China
| | - Yao Ding
- Institute of Advanced Synthesis (IAS), School of Chemistry and Molecular Engineering (SCME), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech)
- Nanjing 211816
- P. R. China
| | - Chee-Kiat Ang
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University (NTU)
- Singapore 637371
- Singapore
| | - Jie-Sheng Tian
- Institute of Advanced Synthesis (IAS), School of Chemistry and Molecular Engineering (SCME), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech)
- Nanjing 211816
- P. R. China
| | - Teck-Peng Loh
- Institute of Advanced Synthesis (IAS), School of Chemistry and Molecular Engineering (SCME), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech)
- Nanjing 211816
- P. R. China
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University (NTU)
- Singapore 637371
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24
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Okumura M, Shved AS, Sarlah D. Palladium-Catalyzed Dearomative syn-1,4-Carboamination. J Am Chem Soc 2017; 139:17787-17790. [PMID: 29183109 DOI: 10.1021/jacs.7b11663] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A dearomative 1,4-carboamination of arenes has been achieved using arenophile cycloaddition and subsequent palladium-catalyzed substitution with nonstabilized lithium enolates. This protocol delivers products with exclusive syn-1,4-selectivity and can be also conducted in an asymmetric fashion. The method allows rapid dearomative difunctionalization of simple aromatic compounds into functional small molecules amenable to further diversification.
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Affiliation(s)
- Mikiko Okumura
- Roger Adams Laboratory, Department of Chemistry, University of Illinois , Urbana, Illinois 61801, United States
| | - Alexander S Shved
- Roger Adams Laboratory, Department of Chemistry, University of Illinois , Urbana, Illinois 61801, United States
| | - David Sarlah
- Roger Adams Laboratory, Department of Chemistry, University of Illinois , Urbana, Illinois 61801, United States
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25
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26
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Zhang W, Chen J, Zeng G, Yang F, Xu J, Sun W, Shinde MV, Fan B. Asymmetric Ring-Opening Reactions of Aza- and Oxa-bicyclic Alkenes with Boronic Acids Using a Palladium/Zinc Co-catalytic System. J Org Chem 2017; 82:2641-2647. [DOI: 10.1021/acs.joc.6b03038] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Wei Zhang
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan People’s Republic of China
| | - Jingchao Chen
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan People’s Republic of China
| | - Guangzhi Zeng
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan People’s Republic of China
| | - Fan Yang
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan People’s Republic of China
| | - Jianbin Xu
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan People’s Republic of China
| | - Weiqing Sun
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan People’s Republic of China
| | - Madhuri Vikas Shinde
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan People’s Republic of China
| | - Baomin Fan
- YMU-HKBU Joint Laboratory of Traditional Natural Medicine and ‡Key Laboratory
of Chemistry in Ethnic Medicinal Resources, Yunnan Minzu University, Kunming, Yunnan People’s Republic of China
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27
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Chrzanowska M, Grajewska A, Rozwadowska MD. Asymmetric Synthesis of Isoquinoline Alkaloids: 2004-2015. Chem Rev 2016; 116:12369-12465. [PMID: 27680197 DOI: 10.1021/acs.chemrev.6b00315] [Citation(s) in RCA: 235] [Impact Index Per Article: 29.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
In the past decade, the asymmetric synthesis of chiral nonracemic isoquinoline alkaloids, a family of natural products showing a wide range of structural diversity and biological and pharmaceutical activity, has been based either on continuation or improvement of known traditional methods or on new, recently developed, strategies. Both diastereoselective and enantioselective catalytic methods have been applied. This review describes the stereochemically modified traditional syntheses (the Pictet-Spengler, the Bischler-Napieralski, and the Pomeranz-Fritsch-Bobbitt) along with strategies based on closing of the nitrogen-containing ring B of the isoquinoline core by the formation of bonds between C1-N2, N2-C3, C1-N2/N2-C3, and C1-N2/C4-C4a atoms. Methods involving introduction of substituents at the C1 carbon of isoquinoline core along with syntheses applying various biocatalytic techniques have also been reviewed.
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Affiliation(s)
- Maria Chrzanowska
- Faculty of Chemistry, Adam Mickiewicz University , Umultowska 89b, 61-614 Poznań, Poland
| | - Agnieszka Grajewska
- Faculty of Chemistry, Adam Mickiewicz University , Umultowska 89b, 61-614 Poznań, Poland
| | - Maria D Rozwadowska
- Faculty of Chemistry, Adam Mickiewicz University , Umultowska 89b, 61-614 Poznań, Poland
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28
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Yang F, Chen J, Xu J, Ma F, Zhou Y, Shinde MV, Fan B. Palladium/Lewis Acid Co-catalyzed Divergent Asymmetric Ring-Opening Reactions of Azabenzonorbornadienes with Alcohols. Org Lett 2016; 18:4832-4835. [DOI: 10.1021/acs.orglett.6b02300] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Fan Yang
- YMU-HKBU Joint Laboratory
of Traditional Natural Medicine, Yunnan Minzu University, 650500 Kunming, China
| | - Jingchao Chen
- YMU-HKBU Joint Laboratory
of Traditional Natural Medicine, Yunnan Minzu University, 650500 Kunming, China
| | - Jianbin Xu
- YMU-HKBU Joint Laboratory
of Traditional Natural Medicine, Yunnan Minzu University, 650500 Kunming, China
| | - Fujie Ma
- YMU-HKBU Joint Laboratory
of Traditional Natural Medicine, Yunnan Minzu University, 650500 Kunming, China
| | - Yongyun Zhou
- YMU-HKBU Joint Laboratory
of Traditional Natural Medicine, Yunnan Minzu University, 650500 Kunming, China
| | - Madhuri Vikas Shinde
- YMU-HKBU Joint Laboratory
of Traditional Natural Medicine, Yunnan Minzu University, 650500 Kunming, China
| | - Baomin Fan
- YMU-HKBU Joint Laboratory
of Traditional Natural Medicine, Yunnan Minzu University, 650500 Kunming, China
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29
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An easy access to fused chromanones via rhodium catalyzed oxidative coupling of salicylaldehydes with heterobicyclic olefins. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.05.031] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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30
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Liu Y, Lei K, Liu N, Sun DW, Hua XW, Li YJ, Xu XH. Indium-Mediated Intramolecular Reaction of N-(2-Iodobenzoyl)azabenzonorbornadienes: A General Access to Dihydrobenzo[c]phenanthridinones. J Org Chem 2016; 81:5495-503. [DOI: 10.1021/acs.joc.6b00839] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yang Liu
- State Key Laboratory and
Institute of Elemento-organic Chemistry, Collaborative Innovation
Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071, China
| | - Kang Lei
- State Key Laboratory and
Institute of Elemento-organic Chemistry, Collaborative Innovation
Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071, China
| | - Na Liu
- State Key Laboratory and
Institute of Elemento-organic Chemistry, Collaborative Innovation
Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071, China
| | - Dong-Wei Sun
- State Key Laboratory and
Institute of Elemento-organic Chemistry, Collaborative Innovation
Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071, China
| | - Xue-Wen Hua
- State Key Laboratory and
Institute of Elemento-organic Chemistry, Collaborative Innovation
Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071, China
| | - Ya-Juan Li
- State Key Laboratory and
Institute of Elemento-organic Chemistry, Collaborative Innovation
Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071, China
| | - Xiao-Hua Xu
- State Key Laboratory and
Institute of Elemento-organic Chemistry, Collaborative Innovation
Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071, China
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31
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Carlson E, Tam W. Type 1 Ring-Opening Reactions of Cyclopropanated 7-Azabenzonorbornadienes with Organocuprates. Org Lett 2016; 18:2134-7. [PMID: 27055059 DOI: 10.1021/acs.orglett.6b00757] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The first nucleophilic ring-opening reactions of cyclopropanated 7-azabenzonorbornadienes have been achieved using organocuprates. Tricyclic or tetracyclic γ-lactams were obtained as the sole product in good yields of up to 98% when alkoxycarbonyl groups occupied the N-substituent position. Successful conversions to lactams were observed for primary, secondary, tertiary, and aromatic nucleophiles, as well as for a variety of substrates functionalized on the benzene ring. A possible mechanism for these transformations is discussed.
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Affiliation(s)
- Emily Carlson
- Guelph-Waterloo Centre for Graduate Work in Chemistry and Biochemistry, Department of Chemistry, University of Guelph , Guelph, Ontario N1G 2W1, Canada
| | - William Tam
- Guelph-Waterloo Centre for Graduate Work in Chemistry and Biochemistry, Department of Chemistry, University of Guelph , Guelph, Ontario N1G 2W1, Canada
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32
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Chen GG, Wei JQ, Yang X, Yao ZJ. Convenient One-Step Synthesis of Benzo[c]phenanthridines by Three-Component Reactions of Isochromenylium Tetrafluoroborates and Stilbenes in Acetonitrile. Org Lett 2016; 18:1502-5. [PMID: 26977528 DOI: 10.1021/acs.orglett.6b00010] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A new type of three-component reaction of air-stable isochromenylium tetrafluoroborates with electron-rich stilbenes in acetonitrile has been developed under catalyst-free conditions in this work. This cascade multibond-formation reaction is initiated by an intermolecular oxa [4 + 2]-cycloaddition, relayed with a nucleophilic addition of acetonitrile, and terminated by an intramolecular Friedel-Crafts reaction, affording the corresponding benzo[c]phenanthridine analogues in one step.
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Affiliation(s)
- Gang-Gang Chen
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Chemistry for Life Sciences, Nanjing University , 163 Xianlin Avenue, Nanjing, Jiangsu 210023, China
| | - Jun-Qiang Wei
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Chemistry for Life Sciences, Nanjing University , 163 Xianlin Avenue, Nanjing, Jiangsu 210023, China
| | - Xiaoliang Yang
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Chemistry for Life Sciences, Nanjing University , 163 Xianlin Avenue, Nanjing, Jiangsu 210023, China
| | - Zhu-Jun Yao
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Chemistry for Life Sciences, Nanjing University , 163 Xianlin Avenue, Nanjing, Jiangsu 210023, China
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33
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Niemczak M, Czerniak K, Kopczyński T. Preparation of 1-methyl-3-phenylisoquinoline derivatives from oximes using polyphosphoric esters. NEW J CHEM 2015. [DOI: 10.1039/c4nj02075h] [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
1-Methyl-3-phenylisoquinoline derivatives were synthesized with high efficiency from oximesviaBeckmann rearrangement, isomerization and condensation, all promoted by polyphosphate ester.
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Affiliation(s)
- Michał Niemczak
- Department of Chemical Technology
- Poznan University of Technology
- 60-965 Poznan
- Poland
| | - Kamil Czerniak
- Department of Chemical Technology
- Poznan University of Technology
- 60-965 Poznan
- Poland
| | - Tomasz Kopczyński
- Department of Chemical Technology
- Poznan University of Technology
- 60-965 Poznan
- Poland
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34
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Prakash M, Muthusamy S, Kesavan V. Copper(I) Bromide Catalyzed Arylation of Cyclic Enamides and Naphthyl-1-acetamides Using Diaryliodonium Salts. J Org Chem 2014; 79:7836-43. [DOI: 10.1021/jo501162s] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Muthuraj Prakash
- Chemical Biology Lab, Department
of Biotechnology, Bhupat and Jyothi Mehta School of Biosciences Building, Indian Institute of Technology Madras, Chennai-600036, India
| | - Subramaniam Muthusamy
- Chemical Biology Lab, Department
of Biotechnology, Bhupat and Jyothi Mehta School of Biosciences Building, Indian Institute of Technology Madras, Chennai-600036, India
| | - Venkitasamy Kesavan
- Chemical Biology Lab, Department
of Biotechnology, Bhupat and Jyothi Mehta School of Biosciences Building, Indian Institute of Technology Madras, Chennai-600036, India
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35
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Chatzopoulou M, Antoniou A, Pitsinos EN, Bantzi M, Koulocheri SD, Haroutounian SA, Giannis A. A fast entry to furanoditerpenoid-based Hedgehog signaling inhibitors: identifying essential structural features. Org Lett 2014; 16:3344-7. [PMID: 24895068 DOI: 10.1021/ol501370j] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
New, small molecule Hedgehog (Hh) pathway inhibitors, such as the furanoditerpenoid taepeenin D, are of high medicinal importance. To establish key structure-activity relationships (SARs) for this lead, a synthetic sequence has been developed for the expedient preparation of several derivatives and their evaluation as Hh inhibitors exploiting its structural similarity to abietic acid. While C(14) substitution is not essential for biological activity, the presence of a hydrogen bond acceptor at C(6) and an intact benzofuran moiety are.
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Affiliation(s)
- Maria Chatzopoulou
- NCSR "Demokritos", P.O. Box 60228, GR-153 10 Ag. Paraskevi, Athens, Greece
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36
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Structural Study on a Naturally Occurring Terphenyl Quinone. Biosci Biotechnol Biochem 2014; 77:1529-32. [DOI: 10.1271/bbb.130199] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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37
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Huang KL, Guo C, Cheng LJ, Xie LG, Zhou QL, Xu XH, Zhu SF. Enantioselective Palladium-Catalyzed Ring-Opening Reaction of Azabenzonorbornadienes with Methyl 2-Iodobenzoate: An Efficient Access tocis-Dihydrobenzo[c]phenanthridinones. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201300452] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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38
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Takagi A, Ikawa T, Kurita Y, Saito K, Azechi K, Egi M, Itoh Y, Tokiwa H, Kita Y, Akai S. Generation of 3-borylbenzynes, their regioselective Diels–Alder reactions, and theoretical analysis. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.03.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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39
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Wilson MR, Taylor RE. Strained Alkenes in Natural Product Synthesis. Angew Chem Int Ed Engl 2013; 52:4078-87. [DOI: 10.1002/anie.201207712] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2012] [Indexed: 01/20/2023]
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40
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41
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Guo C, Huang K, Wang B, Xie L, Xu X. Palladium-catalyzed annulation reactions of methyl o-halobenzoates with azabicyclic alkenes: a general protocol for the construction of benzo[c]phenanthridine derivatives. RSC Adv 2013. [DOI: 10.1039/c3ra42474j] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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42
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Ma ZX, Feltenberger JB, Hsung RP. Total syntheses of chelidonine and norchelidonine via an enamide-benzyne-[2 + 2] cycloaddition cascade. Org Lett 2012; 14:2742-5. [PMID: 22575071 PMCID: PMC3366029 DOI: 10.1021/ol300967a] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Total syntheses of chelidonine and norchelidonine featuring an enamide-benzyne-[2 + 2] cycloaddition initiated cascade is described. The cascade includes a pericyclic ring-opening and intramolecular Diels-Alder reaction.
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Affiliation(s)
- Zhi-Xiong Ma
- Department of Chemistry and Division of Pharmaceutical Sciences, University of Wisconsin, Madison, Wisconsin 53705, USA
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43
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Yu SY, Hu ZL, Zhang H, Wang S, Yao ZJ. Electronically unfavorable addition of electron-deficient olefins to isochromenylium tetrafluoroborates initiated by C-1 O-glycosylation. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.03.106] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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44
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Bula RP, Oppel IM, Bettinger HF. Thermal generation of pentacenes from soluble 6,13-dihydro-6,13-ethenopentacene precursors by a Diels-Alder-retro-Diels-Alder sequence with 3,6-disubstituted tetrazines. J Org Chem 2012; 77:3538-42. [PMID: 22443182 DOI: 10.1021/jo202450u] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
3,6-Substituted tetrazines 2 (a: R(2) = 2-pyridyl or b: CO(2)Me) react with 2,3,9,10-(R(1))(4)-dihydro-6,13-ethenopentacene 3 in solution at elevated temperature to the corresponding pentacene 1 (a: R(1) = H, b: OBn, c: F).
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Affiliation(s)
- Rafael P Bula
- Institut für Organische Chemie, Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
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45
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Sawano T, Ou K, Nishimura T, Hayashi T. Cobalt-catalyzed asymmetric addition of silylacetylenes to oxa- and azabenzonorbornadienes. Chem Commun (Camb) 2012; 48:6106-8. [PMID: 22576160 DOI: 10.1039/c2cc31880f] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Takahiro Sawano
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
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46
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47
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Park JE, Cuong TD, Hung TM, Lee I, Na M, Kim JC, Ryoo S, Lee JH, Choi JS, Woo MH, Min BS. Alkaloids from Chelidonium majus and their inhibitory effects on LPS-induced NO production in RAW264.7 cells. Bioorg Med Chem Lett 2011; 21:6960-3. [DOI: 10.1016/j.bmcl.2011.09.128] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2011] [Revised: 09/23/2011] [Accepted: 09/30/2011] [Indexed: 10/17/2022]
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48
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Min BS, Cuong TD, Hung TM, Min BK, Shin BS, Woo MH. Inhibitory Effect of Lignans from Myristica fragrans on LPS-induced NO Production in RAW264.7 Cells. B KOREAN CHEM SOC 2011. [DOI: 10.5012/bkcs.2011.32.11.4059] [Citation(s) in RCA: 8] [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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49
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Enantioselective synthesis of chelidonine, a B/C-cis-11-hydroxyhexahydrobenzo[c]phenanthridine alkaloid. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.07.091] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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50
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Waghray D, Nulens W, Dehaen W. Efficient Synthesis of Benzo Fused Tetrathia[7]helicenes. Org Lett 2011; 13:5516-9. [DOI: 10.1021/ol202236r] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Deepali Waghray
- Molecular Design and Synthesis, Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
| | - Wienand Nulens
- Molecular Design and Synthesis, Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
| | - Wim Dehaen
- Molecular Design and Synthesis, Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
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