会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 11. 发明授权
    • Anthracycline derivatives, their preparation and use
    • 蒽环类衍生物,其制备和用途
    • US4327029A
    • 1982-04-27
    • US2072
    • 1979-01-08
    • Luigi BernardiPaolo MasiAntonino SuaratoFederico Arcamone
    • Luigi BernardiPaolo MasiAntonino SuaratoFederico Arcamone
    • A61K31/65A61K31/70A61K31/7028A61K31/7034A61K31/704A61P35/00C07H15/252C07C39/40
    • C07H15/252Y10S514/908
    • Compounds of the formula: ##STR1## wherein R.sub.1 is a C.sub.2 -C.sub.4 alkyl; a C.sub.3 -C.sub.6 cycloalkyl or benzyl; A and B are OH or A and B are OCOOR.sub.4 or B is OH and A is OCOOR.sub.4 ; and R.sub.4 is alkyl which are intermediates for the preparation of antitumor compounds of the formula: ##STR2## wherein R.sub.1 is a C.sub.2 -C.sub.4 alkyl; a C.sub.3 -C.sub.6 cycloalkyl; a C.sub.3 -C.sub.6 cycloalkyl substituted by a halogen, hydroxy, methoxy, amino or dimethylamino group; phenyl or phenyl substituted with nitro, chlorine or methoxy thiazyl, pyridyl, pyrazyl; or a phenyl-alkyl group of the formula X--Phe--(CH.sub.2).sub.n --, in which X is hydrogen, halogen, hydroxyl, amino, or nitro and n is an integer from 1 to 2; R.sub.2 is hydrogen, hydroxyl or acyloxy (R--COO--); where R is an alkyl having from 1 to 11 carbon atoms; and R.sub.3 is hydrogen or trifluoroacetyl and salts thereof with pharmaceutically acceptable acids.
    • 下式的化合物:其中R 1是C 2 -C 4烷基; C3-C6环烷基或苄基; A和B是OH或A,B是OCOOR4或B是OH,A是OCOOR4; 和R4是作为制备下式的抗肿瘤化合物的中间体的烷基:其中R 1是C 2 -C 4烷基; C3-C6环烷基; 被卤素,羟基,甲氧基,氨基或二甲氨基取代的C3-C6环烷基; 苯基或被硝基,氯或甲氧基噻唑取代的苯基,吡啶基,吡嗪基; 或式X-Phe-(CH2)n-的苯基 - 烷基,其中X是氢,卤素,羟基,氨基或硝基,n是1至2的整数; R2是氢,羟基或酰氧基(R-COO-); 其中R是具有1至11个碳原子的烷基; 并且R 3是氢或三氟乙酰基及其盐与药学上可接受的酸。
    • 13. 发明授权
    • Anthracycline derivatives, their preparation and use
    • 蒽环类衍生物,其制备和用途
    • US4166848A
    • 1979-09-04
    • US850933
    • 1977-11-14
    • Luigi BernardiPaolo MasiAntonino SuaratoFederico Arcamone
    • Luigi BernardiPaolo MasiAntonino SuaratoFederico Arcamone
    • A61K31/65A61K31/70A61K31/7028A61K31/7034A61K31/704A61P35/00C07H15/252C07G3/00C07G11/00
    • C07H15/252Y10S514/908
    • Disclosed are antitumor compounds of the formula: ##STR1## wherein R.sub.1 is a C.sub.2 -C.sub.4 alkyl; a C.sub.3 -C.sub.6 cycloalkyl; a C.sub.3 -C.sub.6 cycloalkyl substituted by a halogen, hydroxy, methoxy, amino or dimethylamino group; phenyl or phenyl substituted with nitro, chlorine or methoxy; thiazyl, pyridyl, pyrazyl; or a phenyl-alkyl group of the formula X--Phe--(CH.sub.2).sub.n --, in which X is hydrogen, halogen, hydroxyl, amino, or nitro and n is an integer from 1 to 2; R.sub.2 is hydrogen, hydroxyl or acyloxy (R--COO--), where R is an alkyl having from 1 to 11 carbon atoms; and R.sub.3 is hydrogen or trifluoroacetyl and salts thereof with pharmaceutically acceptable acids. Compounds I are prepared by condensing the aglycones thereof with 2,3,6-trideoxy-3-trifluoroacetamido-4-O-trifluoro-acetyl-.alpha.-L-lyxopyranosyl chloride according to a conventional technique.
    • 公开了下式的抗肿瘤化合物:其中R 1是C 2 -C 4烷基; C3-C6环烷基; 被卤素,羟基,甲氧基,氨基或二甲氨基取代的C3-C6环烷基; 苯基或被硝基,氯或甲氧基取代的苯基; 噻嗪基,吡啶基,吡嗪基; 或式X-Phe-(CH2)n-的苯基 - 烷基,其中X是氢,卤素,羟基,氨基或硝基,n是1至2的整数; R2是氢,羟基或酰氧基(R-COO-),其中R是具有1至11个碳原子的烷基; 并且R 3是氢或三氟乙酰基及其盐与药学上可接受的酸。 通过根据常规技术将其糖苷配基与2,3,6-三脱氧-3-三氟乙酰氨基-4-O-三氟乙酰基-β-L-吡喃葡糖酰氯缩合制备化合物I.