Nonulosamine Acid

Nonulosamic or neuraminic acids

They should not be confused; they differ in the presence of a methyl group in the 1st position, which in the first case does not correspond to the structure of the pyrimidine base, and in the second case it is replaced by a sulfamide group containing an amidine C=N bond and underlying the new heterocyclic ring. Neuramic, sulfur-containing acid is quite toxic, has anticholinesterase activity, therefore it is used in medicine as a neuroprotector and psychostimulant for memory impairment, improves cerebral circulation, is also recommended in the diet during pregnancy to prevent eclampsia, in traumatology for bone fractures, together with other neuroamine amino acids it serves as a raw material for the production of neuroprotectors, is an adaptogen and glycine donor in