Reactions of oxonium derivatives of [B12H12] with amines: Synthesis and structure of novel B12-based ammonium salts and amino acids |
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| Authors: | Andrey Semioshkin Evgueniya Nizhnik Ivan Godovikov Zoya Starikova Vladimir Bregadze |
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| Affiliation: | A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov Str. 28, 119991 Moscow, Russia |
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| Abstract: | The reactions of oxonium derivatives of [B12H12]2− with various amines were studied. A series of novel B12-species with ammonium group on the side chain was synthesized in high yield. A structure of tetrabutylammonium-[2-(2-morpholinium-ethoxy)-ethoxy]-undecahydro-closo-dodecaborate was determined and the existence of intramolecular N-H?O-B bond was shown. Using these reactions, novel boronated piperazines and amino acids were prepared. |
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| Keywords: | closo-Dodecaborate Ammonium salts Piperazine Amino acids X-ray structure |
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