Non-ionic polyol contrast media from ionic contrast media

Drug – bio-affecting and body treating compositions – Radionuclide or intended radionuclide containing; adjuvant... – Molecular bilayer structure

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Details

564153, C07C23746, A61K 31165, A61K 4904

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active

049543482

ABSTRACT:
Novel non-ionic contrast media of a hitherto unknown combination of low osmolality and low viscosity are efficiently prepared from generally available ionic contrast media or non-iodinated precursors. Particularly, polyhydroxyhalo-hydrocarbons are employed with a triiodo-substituted acylamido benzoic acids in aqueous weakly basic media to selectively substitute the amido nitrogen, followed by activation of the carboxyl group for amide formation.

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