Abstract
A series of thiazine derivatives with the NO inhibiting effect was synthesized. These derivatives can be used in the treatment of gastrointestinal diseases, as well as antihypotensive (antishock) drugs. The potentially prolonged effect of these substances was studied by the adsorption of 2-N-benzoyl-2-amino-5,6-dihydro-4H-1,3-thiazine hydrobromide (I) on silica (nonporous Polysorb MP with specific surface area S = 330 m2/g and narrow-porous KSS-3 silica gel with S = 600 m2/g). The dehydroxylation of a silica surface significantly increased the adsorption of I. The adsorption kinetic curves of I showed a peak due to the rehydroxylation and deactivation of the silica surface in aqueous solutions. The adsorption rate in physiological solution of I was shown to decrease at a lower concentration of I on the surface of dehydroxylated silica and larger silica particles.
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Original Russian Text © T.D. Khokhlova, A.A. Mandrugin, T.P. Trofimova, V.M. Fedoseev, 2010, published in Fizikokhimiya Poverkhnosti i Zashchita Materialov, 2010, Vol. 46, No. 4, pp. 349–353.
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Khokhlova, T.D., Mandrugin, A.A., Trofimova, T.P. et al. Adsorption of NO synthase inhibitor on dehydroxylated silica. Prot Met Phys Chem Surf 46, 427–429 (2010). https://doi.org/10.1134/S2070205110040064
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DOI: https://doi.org/10.1134/S2070205110040064