51
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El-Kadiry AEH, Abusarah J, Cui YE, El-Hachem N, Hammond-Martel I, Wurtele H, Thomas S, Ahmadi M, Balood M, Talbot S, Rafei M. A Novel Sulfonyl-Based Small Molecule Exhibiting Anti-cancer Properties. Front Pharmacol 2020; 11:237. [PMID: 32231565 PMCID: PMC7081885 DOI: 10.3389/fphar.2020.00237] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 02/21/2020] [Indexed: 11/13/2022] Open
Abstract
Phenotypic screening is an ideal strategy for the discovery of novel bioactive molecules. Using a customized high-throughput screening (HTS) assay employing primary T lymphocytes, we screened a small library of 4,398 compounds with unknown biological function/target to identify compounds eliciting immunomodulatory properties and discovered a sulfonyl-containing hit, we named InhiTinib. This compound inhibited interferon (IFN)-gamma production and proliferation of primary CD3+ T cells without inducing cell death. In contrast, InhiTinib triggered apoptosis in several murine and human cancer cell lines. Besides, the compound was well tolerated by immunocompetent mice, triggered tumor regression in animals with pre-established EL4 T-cell lymphomas, and prolonged the overall survival of mice harboring advanced tumors. Altogether, our data demonstrate the anti-cancer properties of InhiTinib, which can henceforth bridge to wider-scale biochemical and clinical tests following further in-depth pharmacodynamic studies.
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Affiliation(s)
- Abed El-Hakim El-Kadiry
- Department of Biomedical Sciences, Université de Montréal, Montreal, QC, Canada.,Department of Pharmacology and Physiology, Université de Montréal, Montreal, QC, Canada
| | - Jamilah Abusarah
- Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada
| | - Yun Emma Cui
- Department of Pharmacology and Physiology, Université de Montréal, Montreal, QC, Canada
| | - Nehme El-Hachem
- Department of Pharmacology and Physiology, Université de Montréal, Montreal, QC, Canada.,Genomics Institute of Precision Medicine, American University of Beirut, Beirut, Lebanon
| | - Ian Hammond-Martel
- Department of Medicine, Université de Montréal, Montreal, QC, Canada.,Maisonneuve-Rosemont Hospital Research Center, Montreal, QC, Canada
| | - Hugo Wurtele
- Department of Medicine, Université de Montréal, Montreal, QC, Canada.,Maisonneuve-Rosemont Hospital Research Center, Montreal, QC, Canada
| | - Sini Thomas
- Department of Pharmacology and Physiology, Université de Montréal, Montreal, QC, Canada
| | - Maryam Ahmadi
- Department of Pharmacology and Physiology, Université de Montréal, Montreal, QC, Canada
| | - Mohammad Balood
- Department of Pharmacology and Physiology, Université de Montréal, Montreal, QC, Canada
| | - Sébastien Talbot
- Department of Pharmacology and Physiology, Université de Montréal, Montreal, QC, Canada
| | - Moutih Rafei
- Department of Pharmacology and Physiology, Université de Montréal, Montreal, QC, Canada.,Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada.,Molecular Biology Program, Université de Montréal, Montreal, QC, Canada.,Department of Microbiology, Infectious Diseases and Immunology, Université de Montréal, Montreal, QC, Canada
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52
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Flood DT, Zhang X, Fu X, Zhao Z, Asai S, Sanchez BB, Sturgell EJ, Vantourout JC, Richardson P, Flanagan ME, Piotrowski DW, Kölmel DK, Wan J, Tsai MH, Chen JS, Baran PS, Dawson PE. RASS-Enabled S/P-C and S-N Bond Formation for DEL Synthesis. Angew Chem Int Ed Engl 2020; 59:7377-7383. [PMID: 32050046 DOI: 10.1002/anie.201915493] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 01/05/2020] [Indexed: 01/28/2023]
Abstract
DNA encoded libraries (DEL) have shown promise as a valuable technology for democratizing the hit discovery process. Although DEL provides relatively inexpensive access to libraries of unprecedented size, their production has been hampered by the idiosyncratic needs of the encoding DNA tag relegating DEL compatible chemistry to dilute aqueous environments. Recently reversible adsorption to solid support (RASS) has been demonstrated as a promising method to expand DEL reactivity using standard organic synthesis protocols. Here we demonstrate a suite of on-DNA chemistries to incorporate medicinally relevant and C-S, C-P and N-S linkages into DELs, which are underrepresented in the canonical methods.
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Affiliation(s)
- Dillon T Flood
- Department of Chemistry, Scripps Research, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Xuejing Zhang
- Department of Chemistry, Scripps Research, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA.,School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Xiang Fu
- Department of Chemistry, Scripps Research, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA.,School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Zhenxiang Zhao
- Department of Chemistry, Scripps Research, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Shota Asai
- Department of Chemistry and Biological Sciences, Faculty of and Engineering, Iwate University, 4-3-5 Ueda, Morioka, 020-8551, Japan
| | - Brittany B Sanchez
- Automated Synthesis Facility, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Emily J Sturgell
- Automated Synthesis Facility, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Julien C Vantourout
- Department of Chemistry, Scripps Research, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Paul Richardson
- Pfizer Medicinal Chemistry, 10770 Science Center Drive, San Diego, CA, 92121, USA
| | - Mark E Flanagan
- Pfizer Medicinal Chemistry, Eastern Point Road, Groton, CT, 06340, USA
| | | | - Dominik K Kölmel
- Pfizer Medicinal Chemistry, Eastern Point Road, Groton, CT, 06340, USA
| | - Jinqiao Wan
- HitGen Inc., Building 6, No. 8 Huigu 1st East Road Tianfu International Bio-Town, Shuangliu District, Chengdu, 610200, Sichuan, China
| | - Mei-Hsuan Tsai
- HitGen Inc., Building 6, No. 8 Huigu 1st East Road Tianfu International Bio-Town, Shuangliu District, Chengdu, 610200, Sichuan, China
| | - Jason S Chen
- Automated Synthesis Facility, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Phil S Baran
- Department of Chemistry, Scripps Research, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Philip E Dawson
- Department of Chemistry, Scripps Research, 10550 N. Torrey Pines Road, La Jolla, CA, 92037, USA
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53
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Flood DT, Zhang X, Fu X, Zhao Z, Asai S, Sanchez BB, Sturgell EJ, Vantourout JC, Richardson P, Flanagan ME, Piotrowski DW, Kölmel DK, Wan J, Tsai M, Chen JS, Baran PS, Dawson PE. RASS‐Enabled S/P−C and S−N Bond Formation for DEL Synthesis. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201915493] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Dillon T. Flood
- Department of ChemistryScripps Research 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Xuejing Zhang
- Department of ChemistryScripps Research 10550 N. Torrey Pines Road La Jolla CA 92037 USA
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
| | - Xiang Fu
- Department of ChemistryScripps Research 10550 N. Torrey Pines Road La Jolla CA 92037 USA
- School of Pharmaceutical SciencesSun Yat-sen University Guangzhou 510006 China
| | - Zhenxiang Zhao
- Department of ChemistryScripps Research 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Shota Asai
- Department of Chemistry and Biological SciencesFaculty of and EngineeringIwate University 4-3-5 Ueda Morioka 020-8551 Japan
| | - Brittany B. Sanchez
- Automated Synthesis FacilityThe Scripps Research Institute 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Emily J. Sturgell
- Automated Synthesis FacilityThe Scripps Research Institute 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Julien C. Vantourout
- Department of ChemistryScripps Research 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Paul Richardson
- Pfizer Medicinal Chemistry 10770 Science Center Drive San Diego CA 92121 USA
| | - Mark E. Flanagan
- Pfizer Medicinal Chemistry Eastern Point Road Groton CT 06340 USA
| | | | | | - Jinqiao Wan
- HitGen Inc. Building 6, No. 8 Huigu 1st East Road Tianfu International Bio-Town, Shuangliu District, Chengdu 610200 Sichuan China
| | - Mei‐Hsuan Tsai
- HitGen Inc. Building 6, No. 8 Huigu 1st East Road Tianfu International Bio-Town, Shuangliu District, Chengdu 610200 Sichuan China
| | - Jason S. Chen
- Automated Synthesis FacilityThe Scripps Research Institute 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Phil S. Baran
- Department of ChemistryScripps Research 10550 N. Torrey Pines Road La Jolla CA 92037 USA
| | - Philip E. Dawson
- Department of ChemistryScripps Research 10550 N. Torrey Pines Road La Jolla CA 92037 USA
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54
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Xu ZQ, Wang WB, Zheng LC, Li L, Duan L, Li YM. Iodine-mediated aminosulfonylation of alkenyl sulfonamides with sulfonyl hydrazides: synthesis of sulfonylmethyl piperidines, pyrrolidines and pyrazolines. Org Biomol Chem 2019; 17:9026-9038. [PMID: 31577324 DOI: 10.1039/c9ob01847f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An aminosulfonylation of alkenyl sulfonamides was reported. Using iodine as the catalyst, TBHP as the oxidant, and sulfonyl hydrazides as the sulfonyl radical sources, a variety of sulfonylmethyl piperidines, pyrrolidines and pyrazolines were obtained in moderate to excellent yields.
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Affiliation(s)
- Zhong-Qi Xu
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, People's Republic of China.
| | - Wen-Bo Wang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, People's Republic of China.
| | - Lin-Chuang Zheng
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, People's Republic of China.
| | - Lin Li
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, People's Republic of China.
| | - Lili Duan
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, People's Republic of China.
| | - Yue-Ming Li
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, People's Republic of China. and CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People's Republic of China
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55
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Cai A, Kleij AW. Regio‐ and Enantioselective Preparation of Chiral Allylic Sulfones Featuring Elusive Quaternary Stereocenters. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201908318] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Aijie Cai
- Institute of Chemical Research of Catalonia (ICIQ) Barcelona Institute of Science & Technology (BIST) Av. Països Catalans 16 43007 Tarragona Spain
| | - Arjan W. Kleij
- Institute of Chemical Research of Catalonia (ICIQ) Barcelona Institute of Science & Technology (BIST) Av. Països Catalans 16 43007 Tarragona Spain
- Catalan Institute of Research and Advanced Studies (ICREA) Pg. Lluís Companys 23 08010 Barcelona Spain
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56
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Cai A, Kleij AW. Regio- and Enantioselective Preparation of Chiral Allylic Sulfones Featuring Elusive Quaternary Stereocenters. Angew Chem Int Ed Engl 2019; 58:14944-14949. [PMID: 31394028 DOI: 10.1002/anie.201908318] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 08/08/2019] [Indexed: 12/19/2022]
Abstract
We describe here the first general asymmetric synthesis of sterically encumbered α,α-disubstituted allylic sulfones via Pd-catalyzed allylic substitution. The design and application of a new and highly efficient phosphoramidite ligand (L10) proved to be crucial, and a wide variety of challenging allylic sulfones featuring quaternary stereocenters could be obtained in good yields and with good to excellent levels of regio- and enantioselectivities under attractive process conditions. The developed methodology employs easily accessible chemical feedstock including racemic allylic precursors and sodium sulfinates. The utility of the method is further demonstrated by the synthesis of the sesquiterpene (-)-Agelasidine A.
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Affiliation(s)
- Aijie Cai
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science & Technology (BIST), Av. Països Catalans 16, 43007, Tarragona, Spain
| | - Arjan W Kleij
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science & Technology (BIST), Av. Països Catalans 16, 43007, Tarragona, Spain.,Catalan Institute of Research and Advanced Studies (ICREA), Pg. Lluís Companys 23, 08010, Barcelona, Spain
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57
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Ke M, Huang G, Ding L, Fang J, Chen F. Direct Synthesis of Substituted (
Z
)‐Allylic Sulfones by Palladium‐Catalyzed Sulfonylation of Vinylethylene Carbonates with Sodium Sulfinates. ChemCatChem 2019. [DOI: 10.1002/cctc.201901292] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Miaolin Ke
- Engineering Center of Catalysis and Synthesis for Chiral Molecules Department of ChemistryFudan University 220 Handan Road Shanghai 200433 P. R. China
| | - Guanxin Huang
- Engineering Center of Catalysis and Synthesis for Chiral Molecules Department of ChemistryFudan University 220 Handan Road Shanghai 200433 P. R. China
| | - Li Ding
- Engineering Center of Catalysis and Synthesis for Chiral Molecules Department of ChemistryFudan University 220 Handan Road Shanghai 200433 P. R. China
| | - Jingjie Fang
- School of Pharmaceutical SciencesZhejiang University of Technology 18 Chao Wang Road Hangzhou 310014 P. R. China
| | - Fen‐er Chen
- Engineering Center of Catalysis and Synthesis for Chiral Molecules Department of ChemistryFudan University 220 Handan Road Shanghai 200433 P. R. China
- School of Pharmaceutical SciencesZhejiang University of Technology 18 Chao Wang Road Hangzhou 310014 P. R. China
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58
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Hopkins MD, Abebe FA, Scott KA, Ozmer GL, Sheir AA, Schroeder LJ, Sheaff RJ, Lamar AA. Synthesis and identification of heteroaromatic N-benzyl sulfonamides as potential anticancer agents. Org Biomol Chem 2019; 17:8391-8402. [PMID: 31469373 DOI: 10.1039/c9ob01694e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Sulfonamides are a crucial class of bioisosteres that are prevalent in a wide range of pharmaceuticals, however, the available methods for their production directly from heteroaryl aldehyde reagents remains surprisingly limited. A new approach for regioselective incorporation of a sulfonamide unit to heteroarene scaffolds has been developed and is reported within. As a result, a variety of primary benzylic N-alkylsulfonamides have been prepared via a two-step (one pot) formation from the in situ reduction of an intermediate N-sulfonyl imine under mild, practical conditions. The compounds have been screened against a variety of cell lines for cytotoxicity effects using a Cell Titer Blue assay. The cell viability investigation identifies a subset of N-benzylic sulfonamides derived from the indole scaffold to be targeted for further development into novel molecules with potential therapeutic value. The most cytotoxic of the compounds prepared, AAL-030, exhibited higher potency than other well-known anticancer agents Indisulam and ABT-751.
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Affiliation(s)
- Megan D Hopkins
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, Tulsa, Oklahoma 74104, USA.
| | - Felagot A Abebe
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, Tulsa, Oklahoma 74104, USA.
| | - Kristina A Scott
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, Tulsa, Oklahoma 74104, USA.
| | - Garett L Ozmer
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, Tulsa, Oklahoma 74104, USA.
| | - Alec A Sheir
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, Tulsa, Oklahoma 74104, USA.
| | - Lucas J Schroeder
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, Tulsa, Oklahoma 74104, USA.
| | - Robert J Sheaff
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, Tulsa, Oklahoma 74104, USA.
| | - Angus A Lamar
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, Tulsa, Oklahoma 74104, USA.
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59
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Heredia AA, López-Vidal MG, Kurina-Sanz M, Bisogno FR, Peñéñory AB. Thiol-free chemoenzymatic synthesis of β-ketosulfides. Beilstein J Org Chem 2019; 15:378-387. [PMID: 30873224 PMCID: PMC6404416 DOI: 10.3762/bjoc.15.34] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 12/28/2018] [Indexed: 12/17/2022] Open
Abstract
A preparation of β-ketosulfides avoiding the use of thiols is described. The combination of a multicomponent reaction and a lipase-catalysed hydrolysis has been developed in order to obtain high chemical diversity employing a single sulfur donor. This methodology for the selective synthesis of a set of β-ketosulfides is performed under mild conditions and can be set up in one-pot two-step and on a gram-scale.
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Affiliation(s)
- Adrián A Heredia
- INFIQC-CONICET, Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba. Ciudad Universitaria, Córdoba, X5000HUA, Argentina
| | - Martín G López-Vidal
- INFIQC-CONICET, Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba. Ciudad Universitaria, Córdoba, X5000HUA, Argentina
| | - Marcela Kurina-Sanz
- INTEQUI-CONICET, Área de Química Orgánica, Facultad de Química, Bioquímica y Farmacia, UNSL. Chacabuco y Pedernera, San Luis, 5700, Argentina
| | - Fabricio R Bisogno
- INFIQC-CONICET, Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba. Ciudad Universitaria, Córdoba, X5000HUA, Argentina
| | - Alicia B Peñéñory
- INFIQC-CONICET, Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba. Ciudad Universitaria, Córdoba, X5000HUA, Argentina
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60
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Khaidarov AR, Rostovskii NV, Zolotarev AA, Khlebnikov AF, Novikov MS. Synthesis of 1-(2-Aminovinyl)indoles and 1,3′-Biindoles by Reaction of 2,2-Diaryl-Substituted 2H-Azirines with α-Imino Rh(II) Carbenoids. J Org Chem 2019; 84:3743-3753. [DOI: 10.1021/acs.joc.8b03205] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Adel R. Khaidarov
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
| | - Nikolai V. Rostovskii
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
| | - Andrey A. Zolotarev
- St. Petersburg State University, Institute of Earth Sciences, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
| | - Alexander F. Khlebnikov
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
| | - Mikhail S. Novikov
- St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
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61
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Guo W, Tao K, Tan W, Zhao M, Zheng L, Fan X. Recent advances in photocatalytic C–S/P–S bond formation via the generation of sulfur centered radicals and functionalization. Org Chem Front 2019. [DOI: 10.1039/c8qo01353e] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
In this review, we have focused on the recent advances in photocatalytic C–S/P–S bond formation via the generation of thioyl/sulfonyl radicals and further functionalization.
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Affiliation(s)
- Wei Guo
- Key Laboratory of Organo-pharmaceutical Chemistry of Jiangxi Province
- Gannan Normal University
- Ganzhou 341000
- China
| | - Kailiang Tao
- Key Laboratory of Organo-pharmaceutical Chemistry of Jiangxi Province
- Gannan Normal University
- Ganzhou 341000
- China
| | - Wen Tan
- Key Laboratory of Organo-pharmaceutical Chemistry of Jiangxi Province
- Gannan Normal University
- Ganzhou 341000
- China
| | - Mingming Zhao
- Key Laboratory of Organo-pharmaceutical Chemistry of Jiangxi Province
- Gannan Normal University
- Ganzhou 341000
- China
| | - Lvyin Zheng
- Key Laboratory of Organo-pharmaceutical Chemistry of Jiangxi Province
- Gannan Normal University
- Ganzhou 341000
- China
| | - Xiaolin Fan
- Key Laboratory of Organo-pharmaceutical Chemistry of Jiangxi Province
- Gannan Normal University
- Ganzhou 341000
- China
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62
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Zhou PX, Zhang Y, Ge C, Liang YM, Li C. Palladium-Catalyzed Carbene Migratory Insertion and Trapping with Sulfinic Acid Salts toward Allylic Sulfones. J Org Chem 2018; 83:4762-4768. [DOI: 10.1021/acs.joc.8b00615] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Ping-Xin Zhou
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, China
| | - Yalei Zhang
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, China
| | - Chunbo Ge
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, China
| | - Yong-Min Liang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, China
| | - Changzheng Li
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453003, China
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63
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Liu C, Wang Q. Alkenylation of C(sp
3
)−H Bonds by Zincation/Copper‐Catalyzed Cross‐Coupling with Iodonium Salts. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201713278] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Chuan Liu
- French Family Science Center Department of Chemistry Duke University 124 Science Drive Durham NC 27708 USA
- Current address: HitGen Ltd. Tianfu Life Science Park 88 South Keyuan Road Chengdu 610041 P. R. China
| | - Qiu Wang
- French Family Science Center Department of Chemistry Duke University 124 Science Drive Durham NC 27708 USA
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64
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Liu C, Wang Q. Alkenylation of C(sp 3 )-H Bonds by Zincation/Copper-Catalyzed Cross-Coupling with Iodonium Salts. Angew Chem Int Ed Engl 2018; 57:4727-4731. [PMID: 29479782 DOI: 10.1002/anie.201713278] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2017] [Revised: 02/06/2018] [Indexed: 12/20/2022]
Abstract
α-Vinylation of phosphonates, phosphine oxides, sulfones, sulfonamides, and sulfoxides has been achieved by selective C-H zincation and copper-catalyzed C(sp3 )-C(sp2 ) cross-coupling reaction using vinylphenyliodonium salts. The vinylation transformation proceeds in high efficiency and stereospecificity under mild reaction conditions. This zincative cross-coupling reaction represents a general alkenylation strategy, which is also applicable for α-alkenylation of esters, amides, and nitriles in the synthesis of β,γ-unsaturated carbonyl compounds.
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Affiliation(s)
- Chuan Liu
- French Family Science Center, Department of Chemistry, Duke University, 124 Science Drive, Durham, NC, 27708, USA.,Current address: HitGen Ltd., Tianfu Life Science Park, 88 South Keyuan Road, Chengdu, 610041, P. R. China
| | - Qiu Wang
- French Family Science Center, Department of Chemistry, Duke University, 124 Science Drive, Durham, NC, 27708, USA
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65
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Khakyzadeh V, Wang YH, Breit B. Rhodium-catalyzed addition of sulfonyl hydrazides to allenes: regioselective synthesis of branched allylic sulfones. Chem Commun (Camb) 2018; 53:4966-4968. [PMID: 28422264 DOI: 10.1039/c7cc02375h] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A rhodium-catalyzed regioselective addition of sulfonyl hydrazides to allenes is reported. With Rh(i)/DPEphos/benzoic acid as the catalyst system, branched allylic sulfones can be obtained, in good to excellent yields and regioselectivities.
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Affiliation(s)
- Vahid Khakyzadeh
- Department of Chemistry, K. N. Toosi University of Technology, P.O. Box 16315-1618, 15418 Tehran, Iran.
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66
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Wang H, Wang B, Sun S, Cheng J. Copper-catalyzed radical Heck type cyclization: a three-component reaction of DABCO·(SO2)2, aryldiazonium tetrafluoroborates and dienes toward sulfonated benzo- seven-membered nitrogen heterocycles. Org Chem Front 2018. [DOI: 10.1039/c8qo00615f] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A three-component reaction of the sulfur dioxide surrogate of DABCO·(SO2)2, aryldiazonium tetrafluoroborates and dienes has been developed, affording a series of sulfonated nitrogen heterocycles.
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Affiliation(s)
- Hepan Wang
- School of Petrochemical Engineering
- and Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology
- Changzhou University
- Changzhou 213164
- P. R. China
| | - Bingbing Wang
- School of Petrochemical Engineering
- and Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology
- Changzhou University
- Changzhou 213164
- P. R. China
| | - Song Sun
- School of Petrochemical Engineering
- and Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology
- Changzhou University
- Changzhou 213164
- P. R. China
| | - Jiang Cheng
- School of Petrochemical Engineering
- and Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology
- Changzhou University
- Changzhou 213164
- P. R. China
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67
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Hou Y, Shen Q, Li Z, Chen S, Zhao Y, Qin M, Gong P. Palladium-Catalyzed Three-Component Tandem Reaction for One-pot Highly Stereoselective Synthesis of (Z
)-α
-Hydroxymethyl Allylic Sulfones. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201701011] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Yunlei Hou
- Key Laboratory of Structure-based Drug Design and Discovery; Ministry of Education; Shenyang Pharmaceutical University; Shenyang 110016 People's Republic of China
| | - Qi Shen
- Key Laboratory of Structure-based Drug Design and Discovery; Ministry of Education; Shenyang Pharmaceutical University; Shenyang 110016 People's Republic of China
| | - Zefei Li
- Key Laboratory of Structure-based Drug Design and Discovery; Ministry of Education; Shenyang Pharmaceutical University; Shenyang 110016 People's Republic of China
| | - Shaowei Chen
- Key Laboratory of Structure-based Drug Design and Discovery; Ministry of Education; Shenyang Pharmaceutical University; Shenyang 110016 People's Republic of China
| | - Yanfang Zhao
- Key Laboratory of Structure-based Drug Design and Discovery; Ministry of Education; Shenyang Pharmaceutical University; Shenyang 110016 People's Republic of China
| | - Mingze Qin
- Key Laboratory of Structure-based Drug Design and Discovery; Ministry of Education; Shenyang Pharmaceutical University; Shenyang 110016 People's Republic of China
| | - Ping Gong
- Key Laboratory of Structure-based Drug Design and Discovery; Ministry of Education; Shenyang Pharmaceutical University; Shenyang 110016 People's Republic of China
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68
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Wen ZK, Liu XH, Liu YF, Chao JB. Acid Promoted Direct Cross-Coupling of Methyl Ketones with Dimethyl Sulfoxide: Access to Ketoallyl Methylsulfides and -sulfones. Org Lett 2017; 19:5798-5801. [DOI: 10.1021/acs.orglett.7b02753] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Zhen-Kang Wen
- School
of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Xue-Hua Liu
- School
of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Yu-Fang Liu
- School
of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Jian-Bin Chao
- Scientific
Instrument Center, Shanxi University, Taiyuan 030006, China
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69
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Wan JP, Zhong S, Guo Y, Wei L. Iodine-Mediated Domino C(sp2
)-H Sulfonylation/Annulation of Enaminones and Sulfonyl Hydrazines for the Synthesis of 3-Sulfonyl Chromones. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700910] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Jie-Ping Wan
- College of Chemistry and Chemical Engineering; Jiangxi Normal University; 330022 Nanchang P. R. China
| | - Shanshan Zhong
- College of Chemistry and Chemical Engineering; Jiangxi Normal University; 330022 Nanchang P. R. China
| | - Yanhui Guo
- College of Chemistry and Chemical Engineering; Jiangxi Normal University; 330022 Nanchang P. R. China
| | - Li Wei
- College of Chemistry and Chemical Engineering; Jiangxi Normal University; 330022 Nanchang P. R. China
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70
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Chen P, Wang K, Guo W, Liu X, Liu Y, Li C. Enantioselective Reactions of 2‐Sulfonylalkyl Phenols with Allenic Esters: Dynamic Kinetic Resolution and [4+2] Cycloaddition Involving
ortho
‐Quinone Methide Intermediates. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201700250] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Ping Chen
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
- Graduate University of Chinese Academy of Sciences Beijing 100049 China
| | - Kai Wang
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
- Graduate University of Chinese Academy of Sciences Beijing 100049 China
| | - Wengang Guo
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
| | - Xianghui Liu
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
- Graduate University of Chinese Academy of Sciences Beijing 100049 China
| | - Yan Liu
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
| | - Can Li
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
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71
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Chen P, Wang K, Guo W, Liu X, Liu Y, Li C. Enantioselective Reactions of 2‐Sulfonylalkyl Phenols with Allenic Esters: Dynamic Kinetic Resolution and [4+2] Cycloaddition Involving
ortho
‐Quinone Methide Intermediates. Angew Chem Int Ed Engl 2017; 56:3689-3693. [DOI: 10.1002/anie.201700250] [Citation(s) in RCA: 89] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Indexed: 12/18/2022]
Affiliation(s)
- Ping Chen
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
- Graduate University of Chinese Academy of Sciences Beijing 100049 China
| | - Kai Wang
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
- Graduate University of Chinese Academy of Sciences Beijing 100049 China
| | - Wengang Guo
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
| | - Xianghui Liu
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
- Graduate University of Chinese Academy of Sciences Beijing 100049 China
| | - Yan Liu
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
| | - Can Li
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
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72
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Panda N, Yadav SA, Giri S. Palladium-Catalyzed Oxidative Sulfamidation: A Stereoselective Synthesis for Enesulfonamides. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201601048] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Niranjan Panda
- Department of Chemistry; National Institute of Technology Rourkela; Odisha 769008 India
| | | | - Santanab Giri
- Department of Chemistry; National Institute of Technology Rourkela; Odisha 769008 India
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73
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Laha JK, Sharma S, Bhimpuria RA, Dayal N, Dubey G, Bharatam PV. Integration of oxidative arylation with sulfonyl migration: one-pot tandem synthesis of densely functionalized (NH)-pyrroles. NEW J CHEM 2017. [DOI: 10.1039/c7nj01709j] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A one-pot synthesis of 2-aryl-3-alkyl/aryl-sulfonyl-(NH)-pyrroles from N-sulfonylpyrroles, developed for the first time, via palladium-catalyzed oxidative C-2 arylation followed by sulfonyl migration is described.
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Affiliation(s)
- Joydev K. Laha
- Department of Pharmaceutical Technology (Process Chemistry)
- National Institute of Pharmaceutical Education and Research
- S. A. S. Nagar
- India
| | - Shubhra Sharma
- Department of Pharmaceutical Technology (Process Chemistry)
- National Institute of Pharmaceutical Education and Research
- S. A. S. Nagar
- India
| | - Rohan A. Bhimpuria
- Department of Pharmaceutical Technology (Process Chemistry)
- National Institute of Pharmaceutical Education and Research
- S. A. S. Nagar
- India
| | - Neetu Dayal
- Department of Pharmaceutical Technology (Process Chemistry)
- National Institute of Pharmaceutical Education and Research
- S. A. S. Nagar
- India
| | - Gurudutt Dubey
- Department of Medicinal Chemistry
- National Institute of Pharmaceutical Education and Research
- S. A. S. Nagar
- India
| | - Prasad V. Bharatam
- Department of Medicinal Chemistry
- National Institute of Pharmaceutical Education and Research
- S. A. S. Nagar
- India
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74
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Laha JK, Bhimpuria RA, Kumar AM. Post-synthetic diversification of pyrrole-fused benzosultams via trans-sulfonylations and reactions on the periphery of pyrrole. Org Chem Front 2017. [DOI: 10.1039/c7qo00440k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis of pyrrole fused benzosultams and their trans-sulfonylation reactions providing workable access to (NH)-2-arylpyrroles containing ortho-sulfonamide functionality and fluorene tethered pyrrole fused benzosultam has been described.
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Affiliation(s)
- Joydev K. Laha
- Department of Pharmaceutical Technology (Process Chemistry) National Institute of Pharmaceutical Education and Research
- S. A. S. Nagar
- India
| | - Rohan A. Bhimpuria
- Department of Pharmaceutical Technology (Process Chemistry) National Institute of Pharmaceutical Education and Research
- S. A. S. Nagar
- India
| | - Aitha Manoj Kumar
- Department of Pharmaceutical Technology (Process Chemistry) National Institute of Pharmaceutical Education and Research
- S. A. S. Nagar
- India
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75
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Gómez JE, Guo W, Kleij AW. Palladium-Catalyzed Stereoselective Formation of Substituted Allylic Thioethers and Sulfones. Org Lett 2016; 18:6042-6045. [DOI: 10.1021/acs.orglett.6b02981] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- José Enrique Gómez
- Institute
of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Wusheng Guo
- Institute
of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Arjan W. Kleij
- Institute
of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
- Catalan Institute of Research and Advanced Studies (ICREA), Pg. Lluís Companys 23, 08010 Barcelona, Spain
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76
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Danish M, Ashiq M, Nazar MF. Physicochemical investigation of sulfonamide-derived compounds interacting with conventional cationic surfactants in aqueous media. J DISPER SCI TECHNOL 2016. [DOI: 10.1080/01932691.2016.1207186] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Muhammad Danish
- Department of Chemistry, University of Gujarat, Gujarat 50700, Pakistan
| | - Mehrban Ashiq
- Department of Chemistry, University of Gujarat, Gujarat 50700, Pakistan
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77
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Tang W, Sheng H, Kong JY, Yerabolu R, Zhu H, Max J, Zhang M, Kenttämaa HI. Gas-phase ion-molecule reactions for the identification of the sulfone functionality in protonated analytes in a linear quadrupole ion trap mass spectrometer. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2016; 30:1435-1441. [PMID: 27197036 DOI: 10.1002/rcm.7569] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 03/14/2016] [Accepted: 03/17/2016] [Indexed: 06/05/2023]
Abstract
RATIONALE The oxidation of sulfur atoms is an important biotransformation pathway for many sulfur-containing drugs. In order to rapidly identify the sulfone functionality in drug metabolites, a tandem mass spectrometric method based on ion-molecule reactions was developed. METHODS A phosphorus-containing reagent, trimethyl phosphite (TMP), was allowed to react with protonated analytes with various functionalities in a linear quadrupole ion trap mass spectrometer. The reaction products and reaction efficiencies were measured. RESULTS Only protonated sulfone model compounds were found to react with TMP to form a characteristic [TMP adduct-MeOH] product ion. All other protonated compounds investigated, with functionalities such as sulfoxide, N-oxide, hydroxylamino, keto, carboxylic acid, and aliphatic and aromatic amino, only react with TMP via proton transfer and/or addition. The specificity of the reaction was further demonstrated by using a sulfoxide-containing anti-inflammatory drug, sulindac, as well as its metabolite sulindac sulfone. CONCLUSIONS A method based on functional group-selective ion-molecule reactions in a linear quadrupole ion trap mass spectrometer has been demonstrated for the identification of the sulfone functionality in protonated analytes. A characteristic [TMP adduct-MeOH] product ion was only formed for the protonated sulfone analytes. The applicability of the TMP reagent in identifying sulfone functionalities in drug metabolites was also demonstrated. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Weijuan Tang
- Department of Chemistry, Purdue University, West Lafayette, IN, 47907, USA
- DuPont, 200 Powder Mill Rd., Wilmington, DE, 19843, USA
| | - Huaming Sheng
- Department of Chemistry, Purdue University, West Lafayette, IN, 47907, USA
- Merck, 125 E Lincoln Ave, Rahway, NJ, 07065, USA
| | - John Y Kong
- Department of Chemistry, Purdue University, West Lafayette, IN, 47907, USA
| | - Ravikiran Yerabolu
- Department of Chemistry, Purdue University, West Lafayette, IN, 47907, USA
| | - Hanyu Zhu
- Department of Chemistry, Purdue University, West Lafayette, IN, 47907, USA
| | - Joann Max
- Department of Chemistry, Purdue University, West Lafayette, IN, 47907, USA
| | | | - Hilkka I Kenttämaa
- Department of Chemistry, Purdue University, West Lafayette, IN, 47907, USA
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78
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Lu CJ, Chen H, Chen DK, Wang H, Yang ZP, Gao J, Jin H. Palladium-catalyzed allylation of sulfonyl hydrazides with alkynes to synthesize allylic arylsulfones. Org Biomol Chem 2016; 14:10833-10839. [DOI: 10.1039/c6ob01929c] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel method for the construction of allyl sulfone derivatives was developed by palladium catalyzed allylation of sulfony hydrazides with alkynes.
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Affiliation(s)
- Chuan-Jun Lu
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Hong Chen
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Dong-Kai Chen
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Hong Wang
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Zhen-Ping Yang
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Jianrong Gao
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Hongwei Jin
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
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79
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Howard JL, Schotten C, Alston ST, Browne DL. Preparation of difluoromethylthioethers through difluoromethylation of disulfides using TMS-CF2H. Chem Commun (Camb) 2016; 52:8448-51. [DOI: 10.1039/c6cc02693a] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
We report an operationally simple, metal-free approach for the late-stage introduction of the important lipophilic hydrogen-bond donor motif, SCF2H.
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80
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Sheng H, Tang W, Yerabolu R, Max J, Kotha RR, Riedeman JS, Nash JJ, Zhang M, Kenttämaa HI. Identification of N-Oxide and Sulfoxide Functionalities in Protonated Drug Metabolites by Using Ion–Molecule Reactions Followed by Collisionally Activated Dissociation in a Linear Quadrupole Ion Trap Mass Spectrometer. J Org Chem 2015; 81:575-86. [PMID: 26651970 DOI: 10.1021/acs.joc.5b02409] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Huaming Sheng
- Purdue University, Department of Chemistry, West Lafayette, Indiana 47907, United States
| | - Weijuan Tang
- Purdue University, Department of Chemistry, West Lafayette, Indiana 47907, United States
| | - Ravikiran Yerabolu
- Purdue University, Department of Chemistry, West Lafayette, Indiana 47907, United States
| | - Joann Max
- Purdue University, Department of Chemistry, West Lafayette, Indiana 47907, United States
| | - Raghavendhar R. Kotha
- Purdue University, Department of Chemistry, West Lafayette, Indiana 47907, United States
| | - James S. Riedeman
- Purdue University, Department of Chemistry, West Lafayette, Indiana 47907, United States
| | - John J. Nash
- Purdue University, Department of Chemistry, West Lafayette, Indiana 47907, United States
| | - Minli Zhang
- AstraZeneca, Boston, Massachusetts 02130, United States
| | - Hilkka. I. Kenttämaa
- Purdue University, Department of Chemistry, West Lafayette, Indiana 47907, United States
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81
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Venkatesham K, Bhujanga Rao C, Dokuburra CB, Bunce RA, Venkateswarlu Y. Direct Synthesis of Thioethers from Carboxylates and Thiols Catalyzed by FeCl3. J Org Chem 2015; 80:11611-7. [PMID: 26497695 DOI: 10.1021/acs.joc.5b02143] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A new and efficient method has been developed for the synthesis of thioethers from carboxylates and thiols. The reaction proceeds via a Fe(III)-catalyzed direct displacement of carboxylates from benzylic or allylic esters by heterocyclic thiols. Short reaction times, good to excellent yields of products, and few side reactions are the significant features of the new protocol.
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Affiliation(s)
- Kunuru Venkatesham
- Natural Products Laboratory, Natural Products Division, Indian Institute of Chemical Technology , Hyderabad, India , 500007
| | - Chitturi Bhujanga Rao
- Natural Products Laboratory, Natural Products Division, Indian Institute of Chemical Technology , Hyderabad, India , 500007
| | - Chanti Babu Dokuburra
- Natural Products Laboratory, Natural Products Division, Indian Institute of Chemical Technology , Hyderabad, India , 500007
| | - Richard A Bunce
- Department of Chemistry, Oklahoma State University , 107 Physical Sciences, Stillwater, Oklahoma 74078-3071, United States
| | - Yenamandra Venkateswarlu
- Natural Products Laboratory, Natural Products Division, Indian Institute of Chemical Technology , Hyderabad, India , 500007
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82
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Wu J, Lu C, Li X, Fang H, Wan W, Yang Q, Sun X, Wang M, Hu X, Chen CYO, Wei X. Synthesis and Biological Evaluation of Novel Gigantol Derivatives as Potential Agents in Prevention of Diabetic Cataract. PLoS One 2015; 10:e0141092. [PMID: 26517726 PMCID: PMC4627826 DOI: 10.1371/journal.pone.0141092] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2015] [Accepted: 10/05/2015] [Indexed: 11/25/2022] Open
Abstract
As a continuation of our efforts directed towards the development of natural anti-diabetic cataract agents, gigantol was isolated from Herba dendrobii and was found to inhibit both aldose reductase (AR) and inducible nitric oxide synthase (iNOS) activity, which play a significant role in the development and progression of diabetic cataracts. To improve its bioefficacy and facilitate use as a therapeutic agent, gigantol (compound 14f) and a series of novel analogs were designed and synthesized. Analogs were formulated to have different substituents on the phenyl ring (compounds 4, 5, 8, 14a-e), substitute the phenyl ring with a larger steric hindrance ring (compounds 10, 17c) or modify the carbon chain (compounds 17a, 17b, 21, 23, 25). All of the analogs were tested for their effect on AR and iNOS activities and on D-galactose-induced apoptosis in cultured human lens epithelial cells. Compounds 5, 10, 14a, 14b, 14d, 14e, 14f, 17b, 17c, 23, and 25 inhibited AR activity, with IC50 values ranging from 5.02 to 288.8 μM. Compounds 5, 10, 14b, and 14f inhibited iNOS activity with IC50 ranging from 432.6 to 1188.7 μM. Compounds 5, 8, 10, 14b, 14f, and 17c protected the cells from D-galactose induced apoptosis with viability ranging from 55.2 to 76.26%. Of gigantol and its analogs, compound 10 showed the greatest bioefficacy and is warranted to be developed as a therapeutic agent for diabetic cataracts.
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Affiliation(s)
- Jie Wu
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Chuanjun Lu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, China
- Institute of Drug Synthesis and Pharmaceutical Processing, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Xue Li
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Hua Fang
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Wencheng Wan
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Qiaohong Yang
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Xiaosheng Sun
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Meiling Wang
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Xiaohong Hu
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - C.-Y. Oliver Chen
- Antioxidants Research Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, 02111, United States of America
| | - Xiaoyong Wei
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
- Antioxidants Research Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, 02111, United States of America
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83
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Sheng H, Williams PE, Tang W, Zhang M, Kenttämaa HI. Identification of the sulfoxide functionality in protonated analytes via ion/molecule reactions in linear quadrupole ion trap mass spectrometry. Analyst 2015; 139:4296-302. [PMID: 24968187 DOI: 10.1039/c4an00677a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A mass spectrometric method utilizing gas-phase ion/molecule reactions of 2-methoxypropene (MOP) has been developed for the identification of the sulfoxide functionality in protonated analytes in a LQIT mass spectrometer. Protonated sulfoxide analytes react with MOP to yield an abundant addition product (corresponding to 37-99% of the product ions), which is accompanied by a much slower proton transfer. The total efficiency (percent of gas-phase collisions leading to products) of the reaction is moderate (3-14%). A variety of compounds with different functional groups, including sulfone, hydroxylamino, N-oxide, aniline, phenol, keto, ester, amino and hydroxy, were examined to probe the selectivity of this reaction. Most of the protonated compounds with proton affinities lower than that of MOP react mainly via proton transfer to MOP. The formation of adduct-MeOH ions was found to be characteristic for secondary N-hydroxylamines. N-Oxides formed abundant MOP adducts just like sulfoxides, but sulfoxides can be differentiated from N-oxides based on their high reaction efficiencies. The reaction was tested by using the anti-inflammatory drug sulindac (a sulfoxide) and its metabolite sulindac sulfone. The presence of a sulfoxide functionality in the drug but a sulfone functionality in the metabolite was readily demonstrated. The presence of other functionalities in addition to sulfoxide in the analytes was found not to influence the diagnostic reactivity.
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Affiliation(s)
- Huaming Sheng
- Purdue University, Department of Chemistry, West Lafayette, IN 47907, USA.
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84
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Chu XQ, Meng H, Xu XP, Ji SJ. One-Pot Synthesis of Allylic Sulfones, Ketosulfones, and Triflyl Allylic Alcohols from Domino Reactions of Allylic Alcohols with Sulfinic Acid under Metal-Free Conditions. Chemistry 2015; 21:11359-68. [PMID: 26096856 DOI: 10.1002/chem.201500469] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Indexed: 12/30/2022]
Abstract
A metal-free tandem procedure by using a sulfonylation reaction of aryl allylic alcohols followed by an iodobenzenediacetate (PIDA)-promoted oxidative functionalization has been established. Allylic sulfones, γ-ketosulfones, and triflyl allylic alcohols have been constructed in a single operation. The methodology incorporates the sulfonyl (both aryl and triflyl) functionality with a simple work-up procedure.
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Affiliation(s)
- Xue-Qiang Chu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123 (China)
| | - Hua Meng
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123 (China)
| | - Xiao-Ping Xu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123 (China).
| | - Shun-Jun Ji
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123 (China).
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85
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Huang CY(D, Doyle AG. Electron-Deficient Olefin Ligands Enable Generation of Quaternary Carbons by Ni-Catalyzed Cross-Coupling. J Am Chem Soc 2015; 137:5638-41. [DOI: 10.1021/jacs.5b02503] [Citation(s) in RCA: 94] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Abigail G. Doyle
- Department
of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
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86
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Hu ZP, Zhuang Z, Liao WW. Asymmetric Synthesis of Dihydronaphthoquinones Containing Adjacent Stereocenters via a Sulfa-Michael Addition Triggered Ring-Expansion Approach. J Org Chem 2015; 80:4627-37. [PMID: 25871849 DOI: 10.1021/acs.joc.5b00502] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel asymmetric synthetic approach for the construction of enantioenriched functionalized dihydroquinones incorporating adjacent quaternary and tertiary stereocenters has been reported, in which enantioenriched 3-allylic phthalides engaged in an unprecedented sulfa-Michael addition-triggered stereoselective ring-expansion reaction, and furnished the desired sulfur-incoporated dihydronaphthoquinones with high stereoselectivity.
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Affiliation(s)
- Zhi-Peng Hu
- Department of Organic Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Zhe Zhuang
- Department of Organic Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Wei-Wei Liao
- Department of Organic Chemistry, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
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87
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Hu H, Tian J, Liu Y, Liu Y, Shi F, Wang X, Kan Y, Wang C. Aza-Wacker-type reaction between electron-deficient olefins and N-alkylsulfonamides. J Org Chem 2015; 80:2842-7. [PMID: 25679544 DOI: 10.1021/jo502823m] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
A palladium-catalyzed oxidative amination protocol of electron-deficient olefins by aza-Wacker-type reaction with N-alkylsulfonamides was developed. The presence of the stoichiometric amount of methanesulfonic acid was crucial for the success of this transformation. The reactions were conducted in green solvent under mild conditions and scalable with excellent E-type stereoselectivity. In addition, a Pd(II)/Pd(0) catalytic cycle with the existence of a very strong oxidant (Selectfluor) was proposed.
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Affiliation(s)
- Huayou Hu
- Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University , Huaian 223300, P. R. China
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88
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Li H, Ma T, Li X, Zhao Z. Regio- and stereoselective synthesis of ensulfonamides/enamides via catalyst-free intermolecular addition of indoles/pyrroles/imidazole to allenamides. RSC Adv 2015. [DOI: 10.1039/c5ra10569b] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
A catalyst-free intermolecular addition of indoles, pyrroles, and imidazole to allenamides is reported. The reaction proceeds smoothly and provides a series of (E)-ensulfonamide/enamide derivatives in high yields with excellent regioselectivity.
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Affiliation(s)
- Honghe Li
- College of Chemistry and Environmental Protection Engineering
- Southwest University for Nationalities
- Chengdu 610041
- PR China
| | - Ting Ma
- College of Chemistry and Environmental Protection Engineering
- Southwest University for Nationalities
- Chengdu 610041
- PR China
| | - Xiaoxiao Li
- College of Chemistry and Environmental Protection Engineering
- Southwest University for Nationalities
- Chengdu 610041
- PR China
| | - Zhigang Zhao
- College of Chemistry and Environmental Protection Engineering
- Southwest University for Nationalities
- Chengdu 610041
- PR China
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89
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Chen Z, Bolat H, Wan X, Li Y. Crystal structure of 2-[(di-chloro-methane)sulfon-yl]pyridine. Acta Crystallogr Sect E Struct Rep Online 2014; 70:o1272. [PMID: 25553040 PMCID: PMC4257385 DOI: 10.1107/s1600536814025148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Accepted: 11/17/2014] [Indexed: 11/29/2022]
Abstract
The asymmetric unit of the title compound, C6H5Cl2NO2S, contains two mol-ecules with similar conformations (r.m.s. overlay fit for the non-H atoms = 0.067 Å). Atoms attached to the pendent Csp (3)-S bond are arranged in a staggered conformation with one of the Cl atoms anti to the C atom in the aromatic ring [C-S-C-Cl torsion angles = 178.41 (11) and -176.70 (13)°]. In the crystal, mol-ecules are linked by C-H⋯N and C-H⋯O hydrogen bonds, generating a three-dimensional network, and weak aromatic π-π stacking is also observed [centroid-centroid separation = 3.8902 (17) Å].
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Affiliation(s)
- Zhiqiu Chen
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai, People’s Republic of China
| | - Hembat Bolat
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai, People’s Republic of China
| | - Xing Wan
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai, People’s Republic of China
| | - Ya Li
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai, People’s Republic of China
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90
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Li Y, Li D, Zheng T, Li H, Ren X. Double-addition reaction of aryl methyl sulfones with N-tert-butylsulfinyl imines: diastereoselective and concise synthesis of 2-sulfonylated 1,3-diamines. Chemistry 2014; 20:14986-90. [PMID: 25288374 DOI: 10.1002/chem.201404009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Indexed: 11/09/2022]
Abstract
We report a double-addition reaction of methyl phenyl sulfone and methyl 2-pyridyl sulfone with N-tert-butylsulfinyl imines. This method provides concise access to 2-sulfonylated 1,3-anti diamines with good to excellent diastereoselectivities. This protocol has the benefit of using readily accessible starting materials and is operationally simple.
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Affiliation(s)
- Ya Li
- Department of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai, 201620, Fax: (+86) 21-67791214.
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91
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Xu K, Khakyzadeh V, Bury T, Breit B. Direct transformation of terminal alkynes to branched allylic sulfones. J Am Chem Soc 2014; 136:16124-7. [PMID: 25365339 DOI: 10.1021/ja509383r] [Citation(s) in RCA: 106] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
A new strategy for the transformation of terminal alkynes to branched allylic sulfones was developed. Using a Rh(I)/DPEphos/benzoic acid catalyst system, terminal alkynes react with sulfonyl hydrazides to produce branched allylic sulfones with good to excellent yields and selectivities in general.
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Affiliation(s)
- Kun Xu
- Institut für Organische Chemie, Albert-Ludwigs-Universität Freiburg , Albertstrasse 21, 79104 Freiburg i. Brsg., Germany
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92
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Choi J, Martín-Gago P, Fu GC. Stereoconvergent arylations and alkenylations of unactivated alkyl electrophiles: catalytic enantioselective synthesis of secondary sulfonamides and sulfones. J Am Chem Soc 2014; 136:12161-5. [PMID: 25127186 PMCID: PMC4151784 DOI: 10.1021/ja506885s] [Citation(s) in RCA: 108] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
![]()
The
development of efficient methods for the generation of enantioenriched
sulfonamides and sulfones is an important objective for fields such
as organic synthesis and medicinal chemistry; however, there have
been relatively few reports of direct catalytic asymmetric approaches
to controlling the stereochemistry of the sulfur-bearing carbon of
such targets. In this report, we describe nickel-catalyzed stereoconvergent
Negishi arylations and alkenylations of racemic α-bromosulfonamides
and -sulfones that furnish the desired cross-coupling product in very
good ee and yield for an array of reaction partners. Mechanistic studies
are consistent with the generation of a radical intermediate that
has a sufficient lifetime to diffuse out of the solvent cage and to
cyclize onto a pendant olefin.
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Affiliation(s)
- Junwon Choi
- Division of Chemistry and Chemical Engineering, California Institute of Technology , Pasadena, California 91125, United States
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93
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Sheng H, Williams PE, Tang W, Riedeman JS, Zhang M, Kenttämaa HI. Identification of the Sulfone Functionality in Protonated Analytes via Ion/Molecule Reactions in a Linear Quadrupole Ion Trap Mass Spectrometer. J Org Chem 2014; 79:2883-9. [PMID: 24571420 DOI: 10.1021/jo402645a] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Huaming Sheng
- Department
of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Peggy E. Williams
- Department
of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Weijuan Tang
- Department
of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - James S. Riedeman
- Department
of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Minli Zhang
- AstraZeneca, Boston, Massachusetts 02130, United States
| | - Hilkka I. Kenttämaa
- Department
of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
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94
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Gao WC, Zhao JJ, Chang HH, Li X, Liu Q, Wei WL. Iodine-catalysed sp3 C–H sulfonylation to form β-dicarbonyl sulfones with sodium sulfinates. RSC Adv 2014. [DOI: 10.1039/c4ra09821h] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
I2 catalysed sp3 C–H sulfonylation to synthesize β-dicarbonyl sulfones with sodium sulfinate as the sulfonyl source.
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Affiliation(s)
- Wen-Chao Gao
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan, P. R. China
| | - Jin-Jin Zhao
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan, P. R. China
| | - Hong-Hong Chang
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan, P. R. China
| | - Xing Li
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan, P. R. China
| | - Qiang Liu
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan, P. R. China
| | - Wen-Long Wei
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan, P. R. China
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95
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Gazvoda M, Kočevar M, Polanc S. In Situ Formation of Vilsmeier Reagents Mediated by Oxalyl Chloride: a Tool for the Selective Synthesis ofN-Sulfonylformamidines. European J Org Chem 2013. [DOI: 10.1002/ejoc.201300402] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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