摘要:
8-fluoro-anthracyclines of formula (I) have anti-tumor activity. ##STR1## wherein: R is chosen in the group consisting of H, OH, OR.sub.4 wherein R.sub.4 is chosen in the group consisting of CHO, COCH.sub.3, acyl derivative of a carboxylic acid containing up to 6 carbon atoms; R.sub.1 is chosen in the group consisting of: H, OH, OCH.sub.3 ; R.sub.2 is chosen in the group consisting of: H, OH, NH.sub.2 R.sub.3 is chosen in the group consisting of: H, OH, NH.sub.2, residue of formula (A) ##STR2## The compounds are characterized by having cis-stereochemistry between the groups 8--F and 9--OH. Their preparation and pharmaceutical compositions containing them are also described.
摘要:
New 8-fluoroanthracycline derivatives of formula I possessing antitumoral properties are described, together with their preparation and pharmaceutical compositions containing them.
摘要:
This invention relates to polyaminopyrrolecarboxyamide derivatives of general formula (I) and their pharmaceutically acceptable salts, in which A represents a chemical bond or an aromatic or heteroaromatic radical, and:if A is a chemical bond, R is hydrogen, alkyl, dialkylaminoalkyl, alkenyl, cycloalkyl, arylalkyl, arylalkenyl, haloalkyl, or an aromatic or heteroaromatic radical;whereas if A is an aromatic or heteroaromatic radical, R is nitro, amino or formylamino;n is 0 or a whole number between 1 and 4;Z is an alkylene or aromatic radical. ##STR1##
摘要:
Distamycin A derivatives of formula ##STR1## wherein R is (a)--NHR.sub.3, wherein R.sub.3 is(a')--CON(NO)R.sub.4, in which R.sub.4 is C.sub.1 -C.sub.4 alkyl either unsubstituted or substituted by halogen; or(b') --CO(CH.sub.2).sub.m --R.sub.5, in which R.sub.5 is halogen, oxiranyl, methyloxiranyl, aziridinyl, a group ##STR2## or a group ##STR3## and m is zero or an integer of 1 to 4; or (b) ##STR4## wherein either R.sub.6 and R.sub.7 are the same and are each oxiranemethyl, aziridinemethyl, or C.sub.2 -C.sub.4 alkyl 2-substituted by halogen or by a group --OSO.sub.2 R.sub.8, wherein R.sub.8 is C.sub.1 -C.sub.4 alkyl or phenyl, or one of R.sub.6 and R.sub.7 is hydrogen and the other is as defined above; andeach group R.sub.1 is, independently, hydrogen or C.sub.1 -C.sub.4 alkyl, and the pharmaceutically acceptable salts thereof.The compounds are useful as antiviral or antitumor agents.
摘要:
The present invention is referred to compounds of general formula (I) and (II), respectively ##STR1## their pharmaceutically acceptable salts, the process for their preparation, and the pharmaceutical compositions containing them.
摘要:
The present invention refers to compounds of general formula (I), the pharmaceutically acceptable salts thereof, the processes for their preparation, and the pharmaceutical compositions containing them.