1
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Lee S, Ali AR, Abed DA, Nguyen MU, Verzi MP, Hu L. Structural modification of C2-substituents on 1,4-bis(arylsulfonamido)benzene or naphthalene-N,N'-diacetic acid derivatives as potent inhibitors of the Keap1-Nrf2 protein-protein interaction. Eur J Med Chem 2024; 265:116104. [PMID: 38159482 PMCID: PMC10794003 DOI: 10.1016/j.ejmech.2023.116104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 12/20/2023] [Accepted: 12/25/2023] [Indexed: 01/03/2024]
Abstract
The Keap1-Nrf2-ARE signaling pathway is an attractive therapeutic target for the prevention and treatment of oxidative stress-associated diseases by activating the cellular expression of cytoprotective enzymes and proteins. Small molecule inhibitors can directly disrupt the Keap1-Nrf2 protein-protein interaction (PPI), resulting in elevated levels of Nrf2 protein and subsequent stimulation of related antioxidant responses. Previously, we found that 1,4-bis(arylsulfonamido)benzene or naphthalene-N,N'-diacetic acid derivatives with an ether type C2-substituent on the benzene or naphthalene core exhibited potent inhibitory activities with IC50's in the submicromolar or nanomolar range. We here describe a more detailed structure-activity relationship study around the C2 substituents containing various polar linkers shedding new insight on their binding interactions with the Keap1 Kelch domain. The key observation from our findings is that the substituents at the C2-position of the benzene or naphthalene scaffold impact their inhibitory potencies in biochemical assays as well as activities in cell culture. The biochemical FP and TR-FRET assays revealed that the naphthalene derivatives 17b and 18 with an additional carboxylate at the C2 were the most active inhibitors against Keap1-Nrf2 PPI. In the cell-based assay, the two compounds were shown to be potent Nrf2 activators of the transcription of the Nrf2-dependent genes, such as HMOX2, GSTM3, and NQO1.
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Affiliation(s)
- Sumi Lee
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, 160 Frelinghuysen Road, Piscataway, NJ, 08854, United States
| | - Ahmed R Ali
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, 160 Frelinghuysen Road, Piscataway, NJ, 08854, United States
| | - Dhulfiqar Ali Abed
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, 160 Frelinghuysen Road, Piscataway, NJ, 08854, United States
| | - Mai-Uyen Nguyen
- Department of Genetics, Human Genetics Institute of New Jersey, Rutgers, The State University of New Jersey, Life Sciences Building Rutgers University, 145 Bevier Road, Piscataway, NJ, 08854, United States
| | - Michael P Verzi
- Department of Genetics, Human Genetics Institute of New Jersey, Rutgers, The State University of New Jersey, Life Sciences Building Rutgers University, 145 Bevier Road, Piscataway, NJ, 08854, United States; Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, 08901, United States
| | - Longqin Hu
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, 160 Frelinghuysen Road, Piscataway, NJ, 08854, United States; Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, 08901, United States.
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2
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Tummalapalli KSS, Zhao X, Rainier JD. A Biaryl-Cyclohexenone Photoelectrocyclization/Dearomatization Sequence to Substituted Terpenes. Tetrahedron 2023; 131:133180. [PMID: 37593114 PMCID: PMC10430876 DOI: 10.1016/j.tet.2022.133180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Described here is the development of sequential cross-coupling, photoelectrocyclizations, and reductive dearomatizations of biaryl cyclohexenones as a means of synthesizing terpene skeletons. This methodology promises to provide insight that will enable us and others to use this approach to generate a variety of biologically active small molecules, including members of the abietane and morphinan skeletons.
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Affiliation(s)
| | - Xuchen Zhao
- Department of Chemistry University of Utah Salt Lake City, UT 84112
| | - Jon D Rainier
- Department of Chemistry University of Utah Salt Lake City, UT 84112
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3
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Sokolov VV, Klochkova AA, Rassadin VA. A Diastereoselective Route to Benzoannelated Bridged Sultams. SYNTHESIS-STUTTGART 2021. [DOI: 10.1055/a-1531-2176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
AbstractA practical diastereoselective method for the synthesis of benzoannelated tri- and tetracyclic bridged sultams has been developed. The synthetic route employs widely available, substituted o-iodoanilines and is based on intramolecular Michael addition followed by cycloalkylation with α,ω-dihaloalkanes, or vice versa. The target compounds were isolated in good yields and the diastereoselectivity of the reaction could be easily controlled by the order of Michael addition and cycloalkylation steps.
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4
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Martínez-García L, Prado G, Góñez KV, Paleo MR, Sardina FJ. Stereoselective Synthesis of Hydrindane and Hydroazulene Derivatives by Transannular Cyclization of Nine- and Ten-Membered Carbocycles. J Org Chem 2021; 86:13684-13692. [PMID: 34519499 DOI: 10.1021/acs.joc.1c01751] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Treatment of cis-fused bicyclic diene dicarboxylates with Li/naphthalene triggers a tandem ring-opening and transannular cyclization process that stereoselectively yields hydroazulenes and hydrindanes derivatives. Cyclononadienyl diesters, which can be isolated after the ring-opening step by judicious choice of the reaction conditions, undergo a tandem conjugate addition/intramolecular Michael addition upon treatment with chiral lithium amides to give bicyclic β-amino esters in a process where 4 contiguous stereocenters are formed with high diastereocontrol. A concise route toward the highly enantioenriched AEF ring core of the aconitine-type alkaloids has been developed as an application of this methodology. The starting cis-fused bicyclic dicarboxylates are easily prepared in one step by reductive alkylation of diisopropyl phthalate (Na/THF, followed by the appropriate bis-electrophiles).
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Affiliation(s)
- Lucas Martínez-García
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Gustavo Prado
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Karen V Góñez
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - M Rita Paleo
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - F Javier Sardina
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
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5
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Bi YP, Wang HM, Qu HY, Liang XC, Zhou Y, Li XY, Xu D, Shen MH, Xu HD. Stereoselective synthesis of all-cis boryl tetrahydroquinolines via copper-catalyzed regioselective addition/cyclization of o-aldiminyl cinnamate with B 2Pin 2. Org Biomol Chem 2019; 17:1542-1546. [PMID: 30681111 DOI: 10.1039/c8ob03195a] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A copper catalyzed intramolecular 1,2-carboboration of o-aldiminyl cinnamate has been realized in both regio- and stereoselective fashions. This reaction provides a convenient entry to highly valuable and otherwise challenging cis-2,3,4-trisubstituted tetrahydroquinolines carrying a 4-boryl group. An unusual non-Michael addition intermediate or alternatively, a cyclic enolate is proposed to account for the intriguing all-cis configuration in the final products.
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Affiliation(s)
- Ya-Ping Bi
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Pharmaceutical Engineering and Life Science, Changzhou University, Changzhou, Jiangsu Province 213164, China.
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Bharadwaj KC. Chemoselective and Highly Rate Accelerated Intramolecular Aza-Morita-Baylis-Hillman Reaction. J Org Chem 2018; 83:14498-14506. [PMID: 30441893 DOI: 10.1021/acs.joc.8b02310] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Despite being a very useful C-C bond forming and highly applicative reaction, Morita-Baylis-Hillman (MBH) reaction has been limited by its excessive slow reaction rate, including its intramolecular version. In certain cases, reaction time may even go to weeks and months. A highly chemoselective and rate accelerated intramolecular MBH reaction of just 15 min has been developed. The product dihydroquinoline, being unstable, was converted to an important quinoline framework. In some cases IMBH adducts were isolable, thus confirming the reaction path. Control experiments toward mechanism investigation have been carried out. Use of sodium sulfide has emerged as a rate accelerating catalyst in DMF-EtOH solvent system. Reaction intermediate for IMBH pathway was isolated and characterized. Other aspects such as the application of IMBH adduct for Michael addition and amidation have also been carried out.
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Affiliation(s)
- Kishor Chandra Bharadwaj
- Department of Chemistry, Institute of Science , Banaras Hindu University , Varanasi 221005 , India
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7
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Duan C, Yao Y, Ye L, Shi Z, Zhao Z, Li X. Highly stereoselective construction of tetrahydroquinolines via cascade aza-Michael-Michael reaction: Formal [4+2] cycloaddition of β,γ-unsaturated α-ketoesters with 2-aminochalcones. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.10.053] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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8
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Guo W, Yi M, Wang J, Liu G. Synthesis of Quinoline and 1,2,3,4-Tetrahydroquinoline Derivatives from Substituted o-Nitrotoluenes via Cesium-promoted [2 + 4] Cycloaddition. CHINESE J CHEM 2017. [DOI: 10.1002/cjoc.201700150] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Weijie Guo
- Department of Chemistry, School of Science; Tianjin University; Tianjin 300072 China
| | - Maocong Yi
- Department of Chemistry, School of Science; Tianjin University; Tianjin 300072 China
| | - Jianhui Wang
- Department of Chemistry, School of Science; Tianjin University; Tianjin 300072 China
| | - Guiyan Liu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education; College of Chemistry; Tianjin Normal University; Tianjin 300387 China
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9
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Morita T, Satoh T, Miura M. Rhodium(III)-Catalyzed Ortho-Alkenylation of Anilines Directed by a Removable Boc-Protecting Group. Org Lett 2017; 19:1800-1803. [DOI: 10.1021/acs.orglett.7b00569] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Tomohiro Morita
- Department
of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Tetsuya Satoh
- Department
of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
- Department
of Chemistry, Graduate School of Science, Osaka City University, 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan
| | - Masahiro Miura
- Department
of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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10
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Denmark SE, Chi HM. Catalytic, Enantioselective, Intramolecular Sulfenoamination of Alkenes with Anilines. J Org Chem 2017; 82:3826-3843. [PMID: 28294614 PMCID: PMC5388071 DOI: 10.1021/acs.joc.7b00391] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
![]()
A method
for the catalytic, enantioselective, intramolecular sulfenoamination
of alkenes with aniline nucleophiles has been developed. The method
employs a chiral, Lewis basic selenophosphoramide catalyst and a Brønsted
acid co-catalyst to promote stereocontrolled C–N and C–S
bond formation by activation of an achiral sulfenylating agent. Benzoannulated
nitrogen-containing heterocycles such as indolines, tetrahydroquinolines,
and tetrahydrobenzazepines were prepared with high to excellent enantioselectivities.
The impact of tether length and electron density of both the nucleophile
and olefin on the reactivity, site selectivity, and enantioselectivity
were investigated and interpreted in terms of substrate-dependent
stereodetermining thiiranium ion formation or capture.
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Affiliation(s)
- Scott E Denmark
- Roger Adams Laboratory, Department of Chemistry, University of Illinois , Urbana, Illinois 61801, United States
| | - Hyung Min Chi
- Roger Adams Laboratory, Department of Chemistry, University of Illinois , Urbana, Illinois 61801, United States
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11
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Ozeki M, Hayama N, Fukutome S, Egawa H, Arimitsu K, Kajimoto T, Hosoi S, Iwasaki H, Kojima N, Node M, Yamashita M. Construction of Seven Contiguous Chiral Centers by Two Methods: Quadruple Michael Addition vs Stepwise Double-Double Michael Addition Controlled by Adding Speed of Michael Acceptor. ChemistrySelect 2016. [DOI: 10.1002/slct.201600620] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Minoru Ozeki
- Department of Pharmaceutical Manufacturing Chemistry; Kyoto Pharmaceutical Universit; 1 Shichono-cho, Misasagi, Yamashina-ku Kyoto 606-8414 Japan
| | - Noboru Hayama
- Department of Pharmaceutical Manufacturing Chemistry; Kyoto Pharmaceutical Universit; 1 Shichono-cho, Misasagi, Yamashina-ku Kyoto 606-8414 Japan
| | - Shintaro Fukutome
- Department of Pharmaceutical Manufacturing Chemistry; Kyoto Pharmaceutical Universit; 1 Shichono-cho, Misasagi, Yamashina-ku Kyoto 606-8414 Japan
| | - Honoka Egawa
- Department of Pharmaceutical Manufacturing Chemistry; Kyoto Pharmaceutical Universit; 1 Shichono-cho, Misasagi, Yamashina-ku Kyoto 606-8414 Japan
| | - Kenji Arimitsu
- Department of Pharmaceutical Manufacturing Chemistry; Kyoto Pharmaceutical Universit; 1 Shichono-cho, Misasagi, Yamashina-ku Kyoto 606-8414 Japan
| | - Tetsuya Kajimoto
- Department of Pharmaceutical Manufacturing Chemistry; Kyoto Pharmaceutical Universit; 1 Shichono-cho, Misasagi, Yamashina-ku Kyoto 606-8414 Japan
- Medicinal Organic Chemistry Lab.; College of Pharmaceutical Sciences; Ritsumeikan University; 1-1-1 Noji-higashi, Kusatsu Shiga 525-8577 Japan
| | - Shinzo Hosoi
- Department of Pharmaceutical Manufacturing Chemistry; Kyoto Pharmaceutical Universit; 1 Shichono-cho, Misasagi, Yamashina-ku Kyoto 606-8414 Japan
| | - Hiroki Iwasaki
- Department of Pharmaceutical Manufacturing Chemistry; Kyoto Pharmaceutical Universit; 1 Shichono-cho, Misasagi, Yamashina-ku Kyoto 606-8414 Japan
| | - Naoto Kojima
- Department of Pharmaceutical Manufacturing Chemistry; Kyoto Pharmaceutical Universit; 1 Shichono-cho, Misasagi, Yamashina-ku Kyoto 606-8414 Japan
| | - Manabu Node
- Department of Pharmaceutical Manufacturing Chemistry; Kyoto Pharmaceutical Universit; 1 Shichono-cho, Misasagi, Yamashina-ku Kyoto 606-8414 Japan
| | - Masayuki Yamashita
- Department of Pharmaceutical Manufacturing Chemistry; Kyoto Pharmaceutical Universit; 1 Shichono-cho, Misasagi, Yamashina-ku Kyoto 606-8414 Japan
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12
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13
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Grosheva DS, Rassadin VA, Sokolov VV. A Route to Benzo-Annelated δ-Sultams through Michael Cyclization. European J Org Chem 2015. [DOI: 10.1002/ejoc.201403416] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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14
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Ghosh M, Dhara S, Nuree Y, Ray JK. Synthesis of bis-exocyclic conjugated diene containing 1,2,3,4-tetrahydroquinoline derivatives via palladium-catalyzed intramolecular Heck cyclization. RSC Adv 2014. [DOI: 10.1039/c4ra05900j] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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15
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Davies SG, Fletcher AM, Frost AB, Roberts PM, Thomson JE. Trading N and O. Part 2: Exploiting aziridinium intermediates for the synthesis of β-hydroxy-α-amino acids. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.06.057] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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16
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Davies SG, Fletcher AM, Lee JA, Roberts PM, Souleymanou MY, Thomson JE, Zammit CM. Diastereoselective Ireland–Claisen rearrangements of substituted allyl β-amino esters: applications in the asymmetric synthesis of C(5)-substituted transpentacins. Org Biomol Chem 2014; 12:2702-28. [DOI: 10.1039/c4ob00274a] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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17
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Chen MW, Cai XF, Chen ZP, Shi L, Zhou YG. Facile construction of three contiguous stereogenic centers via dynamic kinetic resolution in asymmetric transfer hydrogenation of quinolines. Chem Commun (Camb) 2014; 50:12526-9. [DOI: 10.1039/c4cc06060a] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient and facile route to chiral tetrahydroquinolines with three contiguous stereogenic centers via a dynamic kinetic resolution process has been successfully developed by using chiral phosphoric acid as catalyst and Hantzsch ester as the hydrogen source with up to 89% ee.
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Affiliation(s)
- Mu-Wang Chen
- State Key Laboratory of Catalysis
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023, China
| | - Xian-Feng Cai
- State Key Laboratory of Catalysis
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023, China
| | - Zhang-Pei Chen
- State Key Laboratory of Catalysis
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023, China
| | - Lei Shi
- State Key Laboratory of Catalysis
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023, China
| | - Yong-Gui Zhou
- State Key Laboratory of Catalysis
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023, China
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18
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Davies SG, Fletcher AM, Lee JA, Lorkin TJ, Roberts PM, Thomson JE. A diastereodivergent strategy for the asymmetric syntheses of (−)-martinellic acid and (−)-4-epi-martinellic acid. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.09.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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19
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Davies SG, Fletcher AM, Frost AB, Lee JA, Roberts PM, Thomson JE. Trading N and O: asymmetric syntheses of β-hydroxy-α-amino acids via α-hydroxy-β-amino esters. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.08.007] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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20
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Davies SG, Foster EM, Lee JA, Roberts PM, Thomson JE. Asymmetric syntheses of dihydroxyhomoprolines via doubly diastereoselective lithium amide conjugate addition reactions. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.07.096] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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21
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Davies SG, Fletcher AM, Lee JA, Lorkin TJA, Roberts PM, Thomson JE. Asymmetric synthesis of (-)-martinellic acid. Org Lett 2013; 15:2050-3. [PMID: 23556476 DOI: 10.1021/ol4007508] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A high-yielding total asymmetric synthesis of (-)-martinellic acid is reported. The conjugate addition of lithium (R)-N-allyl-N-(α-methyl-4-methoxybenzyl)amide to tert-butyl (E)-3-[2'-(N,N-diallylamino)-5'-bromophenyl]propenoate and alkylation of the resultant β-amino ester have been used as the key steps to install the C(9b) and C(3a) stereogenic centers, respectively, and a highly diastereoselective Wittig reaction/intramolecular Michael addition was then used to create the C(4) stereogenic center within this tricyclic molecular architecture.
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Affiliation(s)
- Stephen G Davies
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford , Mansfield Road, Oxford OX1 3TA, UK.
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22
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Affiliation(s)
- Hélène Pellissier
- Aix-Marseille Université, UMR CNRS 7313 Institut des Sciences Moléculaires de Marseille Equipe Chirosciences, Case 561, Campus Saint Jérôme Avenue Esc. Normandie-Niemen, 13397 Marseille Cedex 20, France
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23
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Jia ZX, Luo YC, Wang Y, Chen L, Xu PF, Wang B. Organocatalytic Aza-Michael-Michael Cascade Reactions: A Flexible Approach to 2,3,4-Trisubstituted Tetrahydroquinolines. Chemistry 2012; 18:12958-61. [DOI: 10.1002/chem.201201362] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2012] [Revised: 07/26/2012] [Indexed: 11/10/2022]
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24
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The conjugate addition of enantiomerically pure lithium amides as chiral ammonia equivalents part II: 2005−2011. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.tetasy.2012.08.009] [Citation(s) in RCA: 105] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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25
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Hata T, Imade H, Urabe H. Four Nucleophilic Additions to Alkenynedioic Acid Derivatives in Tandem; Efficient One-Pot Synthesis of Bicyclo[4.2.0]octenols. Org Lett 2012; 14:2450-3. [DOI: 10.1021/ol300623j] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Takeshi Hata
- Department of Biomolecular Engineering, Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology , 4259-B-59 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
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Davies SG, Huckvale R, Lee JA, Lorkin TJ, Roberts PM, Thomson JE. Asymmetric syntheses of 3,4-syn- and 3,4-anti-3-substituted-4-aminopiperidin-2-ones: application to the asymmetric synthesis of (+)-(3S,4R)-cisapride. Tetrahedron 2012. [DOI: 10.1016/j.tet.2011.12.084] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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28
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Davies SG, Fletcher AM, Hughes DG, Lee JA, Price PD, Roberts PM, Russell AJ, Smith AD, Thomson JE, Williams OM. Asymmetric synthesis of piperidines and octahydroindolizines using a one-pot ring-closure/N-debenzylation procedure. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.09.038] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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29
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Dagousset G, Zhu J, Masson G. Chiral Phosphoric Acid-Catalyzed Enantioselective Three-Component Povarov Reaction Using Enecarbamates as Dienophiles: Highly Diastereo- and Enantioselective Synthesis of Substituted 4-Aminotetrahydroquinolines. J Am Chem Soc 2011; 133:14804-13. [DOI: 10.1021/ja205891m] [Citation(s) in RCA: 225] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Guillaume Dagousset
- Centre de Recherche de Gif, Institut de Chimie des Substances Naturelles, CNRS, 91198 Gif-sur-Yvette Cedex, France
| | - Jieping Zhu
- Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, CH-1015 Lausanne, Switzerland
| | - Géraldine Masson
- Centre de Recherche de Gif, Institut de Chimie des Substances Naturelles, CNRS, 91198 Gif-sur-Yvette Cedex, France
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Sridharan V, Suryavanshi PA, Menéndez JC. Advances in the chemistry of tetrahydroquinolines. Chem Rev 2011; 111:7157-259. [PMID: 21830756 DOI: 10.1021/cr100307m] [Citation(s) in RCA: 769] [Impact Index Per Article: 59.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Vellaisamy Sridharan
- Departamento de Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad Complutense, Madrid, Spain
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Double asymmetric induction as a mechanistic probe: the doubly diastereoselective conjugate addition of enantiopure lithium amides to enantiopure α,β-unsaturated esters and enantiopure α,β-unsaturated hydroxamates. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.05.102] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Davies SG, Foster EM, McIntosh CR, Roberts PM, Rosser TE, Smith AD, Thomson JE. Asymmetric synthesis of syn- and anti-α-deuterio-β3-phenylalanine derivatives. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/j.tetasy.2011.06.008] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Jia ZX, Luo YC, Xu PF. Highly Enantioselective Synthesis of Polysubstituted Tetrahydroquinolines via Organocatalytic Michael/Aza-Henry Tandem Reactions. Org Lett 2011; 13:832-5. [DOI: 10.1021/ol103069d] [Citation(s) in RCA: 92] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zhen-Xin Jia
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Yong-Chun Luo
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
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Davies SG, Ichihara O, Roberts PM, Thomson JE. Asymmetric syntheses of (+)-negamycin, (+)-3-epi-negamycin and sperabillin C via lithium amide conjugate addition. Tetrahedron 2011. [DOI: 10.1016/j.tet.2010.10.067] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Hajare AK, Datrange LS, Vyas S, Bhuniya D, Reddy DS. Enantiospecific synthesis of sex pheromone of the obscure mealybug from pantolactone via tandem conjugate addition/cyclization. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.07.166] [Citation(s) in RCA: 9] [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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Ozeki M, Ochi S, Hayama N, Hosoi S, Kajimoto T, Node M. One-Pot Construction of Multiple Contiguous Chiral Centers Using Michael Addition of Chiral Amine. J Org Chem 2010; 75:4201-11. [DOI: 10.1021/jo1004586] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Minoru Ozeki
- Department of Pharmaceutical Manufacturing Chemistry, 21st COE Program, Kyoto Pharmaceutical University, 1 Shichono-cho, Misasagi, Yamashina-ku, Kyoto 607-8412, Japan
| | - Shunsuke Ochi
- Department of Pharmaceutical Manufacturing Chemistry, 21st COE Program, Kyoto Pharmaceutical University, 1 Shichono-cho, Misasagi, Yamashina-ku, Kyoto 607-8412, Japan
| | - Noboru Hayama
- Department of Pharmaceutical Manufacturing Chemistry, 21st COE Program, Kyoto Pharmaceutical University, 1 Shichono-cho, Misasagi, Yamashina-ku, Kyoto 607-8412, Japan
| | - Shinzo Hosoi
- Department of Pharmaceutical Manufacturing Chemistry, 21st COE Program, Kyoto Pharmaceutical University, 1 Shichono-cho, Misasagi, Yamashina-ku, Kyoto 607-8412, Japan
| | - Tetsuya Kajimoto
- Department of Pharmaceutical Manufacturing Chemistry, 21st COE Program, Kyoto Pharmaceutical University, 1 Shichono-cho, Misasagi, Yamashina-ku, Kyoto 607-8412, Japan
| | - Manabu Node
- Department of Pharmaceutical Manufacturing Chemistry, 21st COE Program, Kyoto Pharmaceutical University, 1 Shichono-cho, Misasagi, Yamashina-ku, Kyoto 607-8412, Japan
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