Abstract
Reactions between monocarbonylated [B10H9CO]–closo-decaborate anion and N-nucleophiles have been studied. It has been discovered that not only primary and secondary, but also tertiary amines can enter the addition reactions. The C–N bond in the synthesized borylated amide derivatives has been found to be extremely labile and to cleave in an acidic medium to form the initial [B10H9CO]– ion. In neutral aqueous solutions, borylated amides are hydrolyzed to form carboxylate derivatives with the general formula [B10H9COOH]2–. All the synthesized derivatives have been separated out and studied by IR and NMR (1H, 11B, 13C) spectroscopy.
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