The synthesis of bromo and iodo trifunctionalised tribenzosilatranes |
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Authors: | Rubén Alvarez |
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Institution: | Department of Chemistry, University of Hull, Hull HU6 7RX, UK |
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Abstract: | In this report we present a direct synthesis of bromo 8 and iodo 9 trisubstituted tribenzosilatranes. Commercially available o-anisidine 1 was transformed into the triarylamine 3 in a two-step sequence, which was halogenated to furnish the tribromo 4 or the triiodo 5 substituted triamines, respectively. Subsequent deprotection of the methyl ethers furnished the novel tripod ligands 6 and 7. A transilylation reaction in the last step led to the synthesis of the desired para-halogenated tribenzosilatranes 8 and 9. |
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Keywords: | Tribromotribenzosilatrane Triiodotribenzosilatrane Tribenzosilatrane |
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