摘要:
An anthracycline glycoside of general formula 1: ##STR1## wherein R.sub.1 is hydrogen or methoxy group; R.sub.2 is hydrogen or hydroxy group, A and B both represent hydrogen or one of A and B is hydrogen and the other is hydroxy or a group of formula --OSO.sub.2 R.sub.5 in which R.sub.5 is C1-C4 alkyl or aryl optionally substituted by C1-C4 alkyl, nitro, amino, methoxy or halogen; R.sub.3 is a hydrogen atom or a group of formula 2 and R.sub.4 is a group of formula 2--(CH.sub.2).sub.n --X 2in which n is 2 or 3 and X is hydroxy group, a halogen or a group of formula --OSO.sub.2 R.sub.5 in which R.sub.5 is as defined above and with the proviso that if R.sub.2, X and A are an hydroxy group and R.sub.3 .dbd.H, n must be 3; or a pharmaceutically acceptable salt thereof.Compounds of the invention have activity as antitumor agents. Processes for their preparation and pharmaceutical composition containing them are also disclosed.
摘要:
Compounds of formula I ##STR1## wherein X.sub.1 and X.sub.2 are C.dbd.O, C.dbd.NH or CH.sub.2, X.sub.3 is CH.sub.2, CO, CHOH, ##STR2## wherein n=2 or, 3 or C.dbd.N(R.sub.9) wherein R.sub.9 is hydroxy or amino-aryl, and each of R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are hydrogen, halogen or an organic residue, are useful in the treatment of amyloidosis. A process for their preparation and pharmaceutical compositions containing them are also described.
摘要:
The present invention provides compounds or formula (1) R1—HN—CH2—CF2—(CH2)l—CR3R4—CO—R2, wherein: l is 0, 1 or 2, R1 is a labile amino protecting group, R2 is hydroxy group or the residue or an activated ester or halogen atom; R3 and R4 are independently hydrogen atom or C1-C4 alkyl chain. There are also provided their preparation and the water-soluble conjugates based on these linkers, endowed with selective anticancer activity.
摘要:
Anthracycline glycosides of general formula (I) ##STR1## wherein R is hydrogen or hydroxy, and pharmaceutically acceptable salts thereof, are anti-tumor agents.
摘要:
Anthracycline glycosides of general formula 1 and 2: ##STR1## wherein R.sub.1 is hydrogen or a methoxy group; R.sub.2 is hydrogen, a hydroxy group or represents an acyloxy residue of formula 3 --O--COR.sub.5 wherein R.sub.5 is a linear or branched C.sub.1 -C.sub.8 alkyl, an aryl group or a heterocyclic mono or bicyclic ring, each of which may be unsubstituted or substituted with (a) an amino group NR.sub.6 R.sub.7 in which R.sub.6 and R.sub.7 are independently hydrogen or C.sub.1 -C.sub.4 alkyl or (b) a carboxy group; R.sub.3 and R.sub.4 both represent hydrogen or one of R.sub.3 and R.sub.4 is hydrogen and the other is hydroxy group or a group of formula --OSO.sub.2 R.sub.8 in which R.sub.8 may be a linear or branched alkyl group containing from 1 to 6 carbon atoms or an aryl group unsubstituted or substituted by 1 to 3 substituents each of which may independently be a linear or branched alkyl or alkoxy group of from 1 to 6 carbon atoms, a halogen atom or a nitro group; and pharmaceutically acceptable salts thereof; are active as antitumor agents.
摘要翻译:通式1和2的蒽环酸苷:其中R 1是氢或甲氧基; R2是氢,羟基或代表式3-COR5的酰氧基残基,其中R5是直链或支链C1-C8烷基,芳基或杂环单环或双环,其各自可以是未取代或取代的 与(a)氨基NR 6 R 7,其中R 6和R 7独立地是氢或C 1 -C 4烷基或(b)羧基; R 3和R 4均代表氢或R 3和R 4之一是氢,另一个是羟基或式-OSO 2 R 8基团,其中R 8可以是含有1至6个碳原子的直链或支链烷基或未取代的芳基 或被1〜3个取代基取代,各自可以独立地为具有1-6个碳原子的直链或支链烷基或烷氧基,卤素原子或硝基; 及其药学上可接受的盐; 作为抗肿瘤剂有活性。
摘要:
The present invention provides the new use in the manufacture of a medicament for use in the treatment of amyloidosis of an anthracycline of formula A: wherein R1, R2, R3 and X are appropriate substituents. Novel compounds of the formula A, processes for their production and pharmaceutical compositions containing them are also described.
摘要:
The present invention provides the new use in the treatment of amyloidosis with the anthracyclinone of formula (A) wherein R1, R2, R3, R4, and R5, are appropriate substituents. Some compounds of formula (A) are novel. Processes for their preparation and pharmaceutical composition containing them are also described.
摘要:
A compound of formula (1), wherein R1 represents hydrogen, hydroxy, a group of formula OR7, wherein R7 is C1-C6 alkyl, C2-C6 alkenyl; R2 represents hydrogen, hydroxy, diethylamino, piperidino, tetrahydropyridino or morpholino, and either R3, taken alone, represtnts hydrogen or hydroxy, and R4 and R5, taken alone, independently represent hydrogen, hydroxy or, taken together with the carbon atom, represent a carbonyl group; or R3 and R4, taken together, represent a group of formula (A), wherein R8 and R9 represent a C1-C6 alkyl and R5 represents hydrogen; R6 represents hydrogen or a phenyl group, optionally substituted by methyl, methoxy or halogen and the pharnaceutically acceptable salt thereof, is useful in the treatment of amyloidosis. Processes for the preparation and pharmaceutical compositions are also described.
摘要:
Compounds of formula (A), wherein R.sub.1, R.sub.2, R.sub.3, Y and Z are organic substituents, are useful in the diagnosis of amyloidosis; some of the compounds of formula (A) are novel. Processes for their preparation, and pharmaceutical compositions containing them are also described.