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Title: | Synthetic Protocols towards Selenacalix[3]triazines | Authors: | Thomas, Joice Van Rossom, Wim Van Hecke, Kristof Van Meervelt, Luc Smet, Mario Dehaen, Wim MAES, Wouter |
Issue Date: | 2013 | Publisher: | GEORG THIEME VERLAG KG | Source: | SYNTHESIS-STUTTGART, 45 (6), p. 734-742 | Abstract: | Selenium-bridged heteracalixarenes were synthesized by convenient one-pot SNAr reactions starting from variously 2-substituted 4,6-dichloro-1,3,5-triazine building blocks. Reactions of these precursors with sodium hydroselenide afforded the selenacalix[3]triazines as the only macrocyclic products. Yields of the cyclotrimers were significantly increased by optimization of the macrocyclization conditions, the optimum parameters being dependent on the triazine functionalization pattern. X-ray diffraction studies allowed unambiguous identification of the structures and comparison with the solid-state features of analogous heteracalixarenes. | Notes: | [Thomas, Joice; Van Rossom, Wim; Van Hecke, Kristof; Van Meervelt, Luc; Smet, Mario; Dehaen, Wim; Maes, Wouter] Katholieke Univ Leuven, Dept Chem, B-3001 Louvain, Belgium. [Van Hecke, Kristof] Univ Ghent, Dept Inorgan & Phys Chem, B-9000 Ghent, Belgium. [Maes, Wouter] Hasselt Univ, Inst Mat Res IMO IMOMEC, B-3590 Diepenbeek, Belgium. | Keywords: | (hetera)calixarenes; macrocycles; selenium; 1,3,5-triazines; substituent effects;Chemistry, Organic; (hetera)calixarenes; macrocycles; selenium; 1,3,5-triazines; substituent effects | Document URI: | http://hdl.handle.net/1942/14979 | ISSN: | 0039-7881 | e-ISSN: | 1437-210X | DOI: | 10.1055/s-0032-1318265 | ISI #: | 000315619600004 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2014 |
Appears in Collections: | Research publications |
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