摘要:
Disclosed herein are tablets comprising ezatiostat hydrochloride wherein the ezatiostat hydrochloride comprises from about 75 to about 82 percent by weight of the tablet.
摘要:
Tripeptide and tetrapeptide thioethers, pharmaceutical compositions containing them, their pharmaceutical use, and their preparation. The compounds are useful in potentiating the cytotoxic effects of chemotherapeutic agents in tumor cells, selectively exerting toxicity in tumor cells, elevating the production of GM progenitors in bone marrow, stimulating the differentiation of bone marrow, mitigating the myelosuppressive effects of chemotherapeutic agents, and modulating hematopoiesis in bone marrow.
摘要:
A compound having the formula: wherein: R1 is —X—R1′; in which R1′ is lower alkyl, substituted lower alkyl, aryl, substituted aryl, heteroaryl, or substituted heteroaryl, or heterocyclic, and X is —NH—; R2 is isopropyl; and R3 is —NR4R5; in which R4 is hydrogen and R5 is lower alkyl substituted with amino or R4 and R5 are both lower alkyl substituted with one, two or three groups chosen from hydroxy and amino, or an acid addition salt or cationic salt thereof. The compounds inhibit CDK-2 activity and are useful for treating disorders characterized by undesirable cell proliferation.
摘要:
&agr;-ketoamide compounds useful for treating disorders mediated by 20S proteasome in mammals having the following formula: wherein X2 is Ar or Ar—X3 wherein X3 is is —C═O, or —CH2CO—, and wherein Ar is phenyl, substituted phenyl, indole, substituted indoles, and any other heteroaryls; R1, and R2 are each individually selected from the side chains of the known natural &agr;-amino acids and unnatural amino acids, hydrogen, 1-10 carbon linear and branched alkyl, 1-10 carbon linear and branched substituted alkyl, aryl, substituted aryl, 1-10 carbon linear, branched substituted aryl, alkoxyaryl, 3-8 carbon cycloalkyl, heterocycle substituted heterocycle, heteroaryl and substituted heteroaryl; X1 is selected from hydroxide, monoalkylamino, dialkylamino, alkoxide, arylkoxide and wherein X4 is hydroxide, arylamino, monoalkylamino, dialkylamino, alkoxide, or arylalkoxide; and R3 is selected from the known natural &agr;-amino acids, unnatural amino acids, hydrogen, 1-10 carbon linear and branched alkyl, 1-10 carbon linear and branched substituted alkyl, aryl, substituted aryl, 1-10 carbon linear and branched substituted aryl, alkoxyaryl, 3-8 carbon cycloalkyl, heterocycle, substituted heterocycle, heteroaryl and substituted heteroaryl.
摘要:
.alpha.-ketoamide compounds useful for treating disorders mediated by 20S proteasome in mammals having the following formula: wherein X.sub.2 is Ar or Ar--X.sub.3 wherein X.sub.3 is --C.dbd.O, or --CH.sub.2 CO--, and wherein Ar is phenyl, substituted phenyl, indole, substituted indoles, and any other heteroaryls; R.sub.1, and R.sub.2 are each individually selected from the side chains of the known natural .alpha.-amino acids and unnatural amino acids, hydrogen, 1-10 carbon linear and branched alkyl, 1-10 carbon linear and branched substituted alkyl, aryl, substituted aryl, 1-10 carbon linear, branched substituted aryl, alkoxyaryl, 3-8 carbon cycloalkyl, heterocycle substituted heterocycle, heteroaryl and substituted heteroaryl; X.sub.1 is selected from hydroxide, monoalkylamino, dialkylamino, alkoxide, arylkoxide and ##STR1## wherein X.sub.4 is hydroxide, arylamino, monoalkylamino, dialkylamino, alkoxide, or arylalkoxide; and R.sub.3 is selected from the known natural .alpha.-amino acids, unnatural amino acids, hydrogen, 1-10 carbon linear and branched alkyl, 1-10 carbon linear and branched substituted alkyl, aryl, substituted aryl, 1-10 carbon linear and branched substituted aryl, alkoxyaryl, 3-8 carbon cycloalkyl, heterocycle, substituted heterocycle, heteroaryl and substituted heteroaryl.
摘要翻译:用于治疗由20S蛋白酶体介导的疾病的α-酮酰胺化合物,其具有下式:其中X2是Ar或Ar-X3,其中X3是-C = O或-CH2CO-,其中Ar是苯基,取代的苯基,吲哚 取代的吲哚和任何其它杂芳基; R1和R2分别选自已知天然α-氨基酸和非天然氨基酸的侧链,氢,1-10碳直链和支链烷基,1-10碳直链和支链取代的烷基,芳基,取代的芳基 ,1-10碳直链,支链取代的芳基,烷氧基芳基,3-8碳环烷基,杂环取代的杂环,杂芳基和取代的杂芳基; X1选自氢氧化物,单烷基氨基,二烷基氨基,醇盐,芳基醇盐,其中X4是氢氧根,芳基氨基,单烷基氨基,二烷基氨基,醇盐或芳基醇盐; R 3选自已知的天然α-氨基酸,非天然氨基酸,氢,1-10碳直链和支链烷基,1-10碳直链和支链取代的烷基,芳基,取代芳基,1-10碳直链和支链 取代的芳基,烷氧基芳基,3-8碳环烷基,杂环,取代的杂环,杂芳基和取代的杂芳基。
摘要:
A 2,6,9-trisubstituted purine composition having the following formula: ##STR1## where X is a amino, oxo, thio, of sulfone moiety, R.sub.1 is a lower alkyl, substituted lower alkyl, cycloalkyl, substituted cycloalkyl, cycloheteroalkyl, substituted cycloheteroalkyl, aryl, substituted aryl, heterocycle, hetaryl, substituted hetaryl, aralkyl, heteroaralkyl, heteroalkyl, alkyl alkenyl, alkyl alkynyl, alkyl cycloalkyl, or alkyl cycloheteroalkyl, each having from 1 to 20 carbon atoms; R.sub.2 is hydrogen, lower alkyl, substituted lower alkyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, heterocycle, hetaryl, substituted hetaryl, aralkyl, heteroaralkyl, heteroalkyl, alkyl alkenyl, alkyl alkynyl, alkyl cycloalkyl, or alkyl cycloheteroalkyl; and R.sub.3 is halogen, hydroxyl, thio, alkoxy, alkylthio, lower alkyl, --NR.sub.4 R.sub.5 or a component having the formula: ##STR2## wherein when R.sub.3 is 2-hydroxyethylamino and R.sub.2 is methyl, R.sub.1 -X is not amino, 3-methyl-2-butenylamino, benzylamino, or m-hydroxybenzyl-amino, when R.sub.3 is 2-hydroxyethylamino and R.sub.2 is isopropyl, R.sub.1 -X is not benzylamino, m-hydroxybenzylamino, or 3-methylbutylamino, when R.sub.3 is 2-hydroxyethylamino and R.sub.2 is 2-hydroxyethyl, R.sub.1 -X is not benzylamino and when R.sub.3 is selected from the group consisting of 2-propanol-2-methylamino and 2-dimethylaminoethylamino and R.sub.2 is methyl, then R.sub.1 -X is not benzylamino.
摘要翻译:具有下式的2,6,9-三取代嘌呤组合物:其中X是砜部分的氨基,氧代,硫代,R1是低级烷基,取代的低级烷基,环烷基,取代的环烷基,环杂烷基,取代的 杂环烷基,芳基,取代的芳基,杂环,杂芳基,取代的杂芳基,芳烷基,杂芳烷基,杂烷基,烷基烯基,烷基炔基,烷基环烷基或烷基环杂烷基,各自具有1至20个碳原子; R 2是氢,低级烷基,取代的低级烷基,环烷基,取代的环烷基,芳基,取代的芳基,杂环,杂芳基,取代的杂芳基,芳烷基,杂芳烷基,杂烷基,烷基烯基,烷基炔基,烷基环烷基或烷基环杂烷基。 R 3为卤素,羟基,硫代,烷氧基,烷硫基,低级烷基,-NR 4 R 5或具有下式的组分:其中当R 3为2-羟基乙基氨基且R 2为甲基时,R 1 -X不为氨基, -2-丁烯基氨基,苄基氨基或间羟基苄基 - 氨基,当R 3为2-羟基乙基氨基且R 2为异丙基时,当R 3为2-羟基乙基氨基时,R 1 -X为苄基氨基,间羟基苄基氨基或3-甲基丁基氨基, 2-羟乙基,R1-X不是苄基氨基,当R3选自2-丙醇-2-甲基氨基和2-二甲基氨基乙基氨基,R2是甲基时,则R1-X不是苄基氨基。