[3 + 2]-Cycloaddition reaction of sydnones with alkynes

Scholarly Works

• Saffon-Merceron, N.; Lherbet, C.; Hoffmann, P. Synthesis and Characterization of N-Nitroso-3-morpholinosydnonimine as NO Radical Donor. Molbank 2024, 2024, M1886. doi:10.3390/m1886
• Betcke, I.; Götzinger, A. C.; Kornet, M. M.; Müller, T. J. J. Multicomponent syntheses of pyrazoles via (3 + 2)-cyclocondensation and (3 + 2)-cycloaddition key steps. Beilstein journal of organic chemistry 2024, 20, 2024–2077. doi:10.3762/bjoc.20.178
• Dahatonde, D. J.; Ghosh, A.; Vutla, A.; Batra, S. Iodine‐Mediated One‐Pot Synthesis of 1,4,5‐Substituted Pyrazoles from MBH Acetates via Allyl Hydrazone Intermediate. European Journal of Organic Chemistry 2023, 26. doi:10.1002/ejoc.202300355
• Mummel, S.; Lederle, F.; Hübner, E. G.; Namyslo, J. C.; Nieger, M.; Schmidt, A. Sydnone Methides: Intermediates between Mesoionic Compounds and Mesoionic N‐Heterocyclic Olefins. European Journal of Organic Chemistry 2023, 26. doi:10.1002/ejoc.202300216
• Medjahed, N.; Kibou, Z.; Berrichi, A.; Choukchou-Braham, N. Advances in Pyrazoles Rings' Syntheses by Heterogeneous Catalysts, Ionic Liquids, and Multicomponent Reactions - A Review. Current Organic Chemistry 2023, 27, 471–509. doi:10.2174/1385272827666230602121855
• Chandrasekharan, S. P.; Dhami, A.; Kumar, S.; Mohanan, K. Recent advances in pyrazole synthesis employing diazo compounds and synthetic analogues. Organic & biomolecular chemistry 2022, 20, 8787–8817. doi:10.1039/d2ob01918c
• Novak, I. Photoionization of stable mesoionic compounds. Journal of Molecular Liquids 2022, 363, 119807. doi:10.1016/j.molliq.2022.119807
• Hong, B.; Ding, X.; Jiang, M.; Qin, L.; Lin, Z.; Wu, W.; Weng, Z. A zinc-catalyzed synthesis of 3-trifluoromethyl-4-trifluoroacetyl pyrazoles. Tetrahedron Letters 2022, 104, 154018. doi:10.1016/j.tetlet.2022.154018
• Louis, M.; Talbot, A.; Taran, F.; Lamaa, D.; Sallustrau, A.; Audisio, D. A Sydnone-Based Route to Indazolo[2,3-a]quinoxaline Derivatives. Synlett 2022, 33, 791–794. doi:10.1055/a-1774-7618
• Weng, Z.; Hong, B.; Ding, X.; Jiang, M.; Qin, L.; Lin, Z.; Wu, W. A Zinc-Catalyzed Synthesis of 3-Trifluoromethyl-4-Trifluoroacetyl Pyrazoles. SSRN Electronic Journal 2022. doi:10.2139/ssrn.4133499
• Hirashita, T.; Watanabe, H.; Harada, Y.; Kurabayashi, H.; Yukinobu; Yamashita; Oizumi, S.; Araki, S. Palladium‐Catalyzed Selective o‐Bromination of Mesoionic 1,3‐Diphenyltetrazolium‐5‐olate: Switching the Directing Group from Nitrogen to Oxygen. ChemistrySelect 2021, 6, 13414–13418. doi:10.1002/slct.202103841
• Storm, A. T.; Gjikaj, M.; Namyslo, J. C.; Adams, J.; Schmidt, A. 1,3-Thiazolium-4-aminides: Syntheses and Characterization of Fluorescent Mesoionic Compounds. European Journal of Organic Chemistry 2021, 2021, 4803–4815. doi:10.1002/ejoc.202100794
• Schmidt, A.; Mummel, S.; Lederle, F.; Hübner, E. G.; Namyslo, J. C.; Nieger, M. Sydnone Methides-A Forgotten Class of Mesoionic Compounds for the Generation of Anionic N-Heterocyclic Carbenes. Angewandte Chemie (International ed. in English) 2021, 60, 18882–18887. doi:10.1002/anie.202107495
• Mummel, S.; Lederle, F.; Hübner, E. G.; Namyslo, J. C.; Nieger, M.; Schmidt, A. Sydnonmethide – fast vergessene Mesoionen als Vorläufermoleküle von anionischen N‐heterocyclischen Carbenen. Angewandte Chemie 2021, 133, 19032–19037. doi:10.1002/ange.202107495
• Deb, T.; Tu, J.; Franzini, R. M. Mechanisms and Substituent Effects of Metal-Free Bioorthogonal Reactions. Chemical reviews 2021, 121, 6850–6914. doi:10.1021/acs.chemrev.0c01013
• Kawase, M.; Saijo, R. The Fascinating Chemistry of Mesoionic 4-Trifluoroacetyl-1,3-oxazolium-5-olates and Related Compounds. HETEROCYCLES 2021, 102, 1643. doi:10.3987/rev-21-955
• Porte, K.; Riomet, M.; Figliola, C.; Audisio, D.; Taran, F. Click and Bio-Orthogonal Reactions with Mesoionic Compounds. Chemical reviews 2020, 121, 6718–6743. doi:10.1021/acs.chemrev.0c00806
• Bouton, J.; Van Calenbergh, S.; Hullaert, J. Sydnone Ribosides as a Platform for the Synthesis of Pyrazole C-Nucleosides: A Unified Synthesis of Formycin B and Pyrazofurin. Organic letters 2020, 22, 9287–9291. doi:10.1021/acs.orglett.0c03523
• Kumar, G. S.; Lin, Q. Light-Triggered Click Chemistry. Chemical reviews 2020, 121, 6991–7031. doi:10.1021/acs.chemrev.0c00799
• Wu, L.-J.; Teng, F.; Lv, G.-F.; Li, J.-H. Relay Palladium/Copper Catalysis Enabled Silylative [5 + 1] Benzannulation Using Terminal Alkynes as One-Carbon Units. Organic letters 2020, 22, 8544–8549. doi:10.1021/acs.orglett.0c03144

Explore citations to this article at