Triiodized N-methyldicarboxylic acid anilides

Details Triiodized N-methyldicarboxylic acid anilides Triiodized N-methyldicarboxylic acid anilides

1972-08-17

1977-01-04

Sutto, Anton H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602393R, 26029377, 2602472A, 26032685, 2604045, 260516, 260519, 260544N, 260558P, C07C10150

Patent

active

040012980

ABSTRACT:
Triiodized N-methyldicarboxylic acid anilides of the Formula ##STR1## wherein R.sub.1 is hydrogen, halogen, carboxyl, N-monoacylamino, N-monoalkoxyacylamino, N-alkyl-N-acylamino, N-alkyl-N-alkoxyacylamino, N,N-diacylamino, N-acylaminomethyl, ##STR2## wherein A is alkylene of 2 or 3 carbon atoms which can be interrupted by an oxygen atom, and R.sub.3 and R.sub.4 are each hydrogen, lower alkyl or hydroxyalkyl, or R.sub.3 and R.sub.4 together with the nitrogen atom form a 5 to 7 member heterocyclic ring which can contain a further oxygen, nitrogen, or sulfur hetero atom; R.sub.2 is halogen, hydroxy, lower alkoxy, hydroxyalkoxy or alkoxyalkoxy; and X is straight or branched alkylene of 2-14 carbon atoms interrupted by one or more oxygen or sulfur atoms, and the salts of these compounds with physiologically compatible bases are valuable radiopaque agents.

REFERENCES:
patent: 3542861 (1970-11-01), Ackerman
patent: 3732293 (1973-05-01), Ackerman

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