C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/255
C07D 239/54 (2006.01) C07D 239/545 (2006.01) C07D 239/62 (2006.01)
Patent
CA 1051894
ABSTRACT OF THE DISCLOSURE: Derivatives of 5-carboxyalkyl-2-iminobarbituric and 5-carboxyalkyl-2-thioxobarbituric acids, having the general formula: Image (I) wherein R1 represents a hydrogen atom or a straight or branched chain alkyl group containing 1 to 7 carbon atoms, R2 represents hydrogen or a straight or branched chain alkyl group containing 1 to 5 carbon atoms, R3 represents hydrogen, a straight or branched chain alkyl group containing 1 to 5 carbon atoms, or an aryl group, R4 represents an imino group or a sulphur atom, and n is 0 or an integer ranging from 1 to 6; and their phar- maceutically acceptable salts. These compounds are therapeu- tically useful in the treatment of animals with transplantable tumours.
245900
Andrysek Oskar
Cerny Antonin
Kotva Rudolf
Krepelka Jiri
Pujman Vojtech
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