Hydrochlorides and Dodecahydro-closo-dodecaborates of Amino Derivatives of 1,3,5-Triazine in the Technology of Isolation and Purification of the [B12H12]2– Anion

Author:

Saldin V. I.1,Ignat’eva L. N.1,Mashchenko V. A.1,Sukhovei V. V.1,Marchenko Yu. V.1

Affiliation:

1. Institute of Chemistry, Far-Eastern Branch, Russian Academy of Sciences

Abstract

The possibility of using salts of 2,4,6-triamine-1,3,5-triazine, 2,4-diamine-6-methyl-1,3,5-triazine, and 2,4-diamine-6-phenyl-1,3,5-triazine for isolation of the dodecahydro-closo-dodecaborate anion [B12H12]2– from aqueous solutions has been studied. Compound [2,4-(NH2)2-6-Ph-1,3,5-N3С3H]2[B12H12]⋅H2O (solubility 0.06 g in 100 g water at 17°C), promising for the precipitation of the [B12H12]2– anion, has been isolated by the metathesis reaction of moderately soluble hydrochloride [2,4-(NH2)2-6-Ph-1,3,5-N3С3H]Cl⋅H2O with sodium and potassium dodecahydro-closo-dodecaborates. A procedure has been developed for the decomposition of [2,4-(NH2)2-6-Ph-1,3,5-N3С3H]2[B12H12]⋅H2O with ammonium hydroxide to obtain soluble salts of the [B12H12]2– anion

Publisher

The Russian Academy of Sciences

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