X-ray contrast media

Details X-ray contrast media X-ray contrast media

1976-05-25

1977-12-13

Wyman, Daniel E.

Drug, bio-affecting and body treating compositions

Radionuclide or intended radionuclide containing; adjuvant...

Molecular bilayer structure

260559A, A61K 2902, C07C10382

Patent

active

040629341

ABSTRACT:
This invention relates to compounds having the following general formula: ##STR1## in which n is an integer from 0 to 4; R.sub.1 and R.sub.2 represent independently from each other a radical of the formula --CONHR.sub.5 in which R.sub.5 is an alkyl radical having 1-4 carbon atoms or a hydroxyalkyl radical having 1-4 carbon atoms or a radical of the formula ##STR2## in which R.sub.6 and R.sub.7 are alkyl radicals having 1-4 carbon atoms; and R.sub.3 and R.sub.4, independently from each other, represent a hydrogen atom or an alkyl radical having 1-4 carbon atoms.
Said compounds are useful as X-ray contrast media, particularly for myelography.

REFERENCES:
patent: 3178473 (1965-04-01), Holtermann et al.
patent: 3290366 (1966-12-01), Hoey
patent: 3306927 (1967-02-01), Larsen
patent: 3541141 (1970-11-01), Bernstein et al.
patent: 3557197 (1971-01-01), Felder et al.
patent: 3660469 (1972-05-01), Bernstein et al.
patent: 3701771 (1972-10-01), Almen et al.
patent: 3732293 (1973-05-01), Ackerman
patent: 3939204 (1976-02-01), Buttermann
patent: 4005188 (1977-01-01), Tilly et al.
patent: 4014986 (1977-03-01), Tilly et al.

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