FIELD: biotechnologies.
SUBSTANCE: invention relates to a method of obtaining of unsubstituted alkyl ammonium and alkyl guanidine 7,8(7,9)-dodeca hydro dicarbo nido undecaborates. The method comprises interaction of unsubstituted o(m)-carboranes with alkylamines and alkyl guanidines in the medium of the lower aliphatic alcohols. Meanwhile the process is performed at combined effect of catalyser and ultrasonic activisation at the temperature 60-80°C in the medium of the lowest aliphatic alcohols or respective water and alcohol mixes. The catalysers are fluorides of alkali metals, ammonium fluorides of or ammonium tetraalkyl fluorides.
EFFECT: invention allows to simplify the named compounds and to increase their yield.
6 cl, 12 ex
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