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    • 1. 发明授权
    • Cytidine nucleotide derivatives
    • 胞苷核苷酸衍生物
    • US4086417A
    • 1978-04-25
    • US622794
    • 1975-10-15
    • Torao IshidaMinoru AkiyamaYoshio SakuraiShigeru Tsukagoshi
    • Torao IshidaMinoru AkiyamaYoshio SakuraiShigeru Tsukagoshi
    • C07H19/10
    • C07H19/10
    • A nucleotide derivative represented by the general formula: ##STR1## wherein R represents an acyl group having 14 - 22 carbon atoms and having an aliphatic acyl moiety; X represents a hydrogen atom, a halogen atom, an alkyl group having 1 - 4 carbon atoms, or a trifluoromethyl group; and at least one, but not all, of Y.sub.1, Y.sub.2, and Y.sub.3 represents a phosphate, a pyrophosphate, a triphosphate, or a salt thereof, the balance of Y.sub.1, Y.sub.2 and Y.sub.3 representing a hydroxyl group; or in case of ribosyl, Y.sub.1 and Y.sub.3, or Y.sub.2 and Y.sub.3 represent, at the same time, the aforesaid phosphate, pyrophosphate, triphosphate or salt thereof and the remaining group of Y.sub.1, Y.sub.2 or Y.sub.3 represents a hydroxyl group; or in case of arabinosyl, Y.sub.1 and Y.sub.2, or Y.sub.2 and Y.sub.3 represent, at the same time, the aforesaid phosphate, pyrophosphate, triphosphate or salt therof and the remaining group of Y.sub.1, Y.sub.2 or Y.sub.3 represents a hydroxyl group. The nontoxic salts of these phosphates are useful as an antileukemialagent for mice which is soluble in water and has high stability.
    • 由以下通式表示的核苷酸衍生物:其中R表示具有14-22个碳原子且具有脂族酰基部分的酰基; X表示氢原子,卤素原子,具有1-4个碳原子的烷基或三氟甲基; Y1,Y2和Y3中的至少一个但不是全部表示磷酸酯,焦磷酸酯,三磷酸酯或其盐,余量的Y1,Y2和Y3表示羟基; 或在核糖基,Y1和Y3的情况下,或Y2和Y3同时表示上述磷酸盐,焦磷酸盐,三磷酸盐或其盐,剩余的Y 1,Y 2或Y 3基团表示羟基; 或在阿糖基,Y1和Y2的情况下,或Y2和Y3同时表示上述磷酸盐,焦磷酸盐,三磷酸盐或盐,而剩余的Y1,Y2或Y3基团表示羟基。 这些磷酸盐的无毒盐可用作可溶于水并具有高稳定性的小鼠的抗白血病细胞。
    • 2. 发明授权
    • Diacylnucleosides and process for preparing the same
    • 二酰基核苷及其制备方法
    • US4097665A
    • 1978-06-27
    • US634706
    • 1975-11-24
    • Torao IshidaMinoru AkiyamaDaikichi NishimuraHiroshi HayashiYoshio SakuraiShigeru Tsukagoshi
    • Torao IshidaMinoru AkiyamaDaikichi NishimuraHiroshi HayashiYoshio SakuraiShigeru Tsukagoshi
    • C07H19/09A61K31/70A61K31/7042A61K31/7052A61K31/7064A61K31/7068A61K31/7076A61P35/02C07H19/06C07H19/20C07H19/08
    • C07H19/06Y02P20/55Y10S514/908
    • Compounds represented by formula (I) ##STR1## wherein one of Z.sub.1 ', Z.sub.2 ', Z.sub.3 ' and Z.sub.4 ' represents R, another one of Z.sub.1 ', Z.sub.2 ', Z.sub.3 ' and Z.sub.4 ' represents Z, and the remaining two moieties of Z.sub.1 ', Z.sub.2 ', Z.sub.3 ' and Z.sub.4 ' represents a hydrogen atom and/or a protective group, one of R and Z represents A.sub.1 and the other represents A.sub.2, A.sub.1 being an acyl group having 14 to 22 carbon atoms which does not contain a carboxylic group and A.sub.2 being an acyl group having 2 to 14 carbon atoms and having one carboxyl group, X represents a hydrogen atom or a halogen atom (hereinafter referred to as Compound Ia); a 2,2'-anhydro product of Compound Ia wherein Z.sub.2 ' represents a hydrogen atom (hereinafter referred to as Compound Ib); an arabinosylation product of Compound Ia (hereinafter referred to as Compound Ic); a deamination product of Compound Ia (hereinafter referred to as Compound Id); a 2'-deoxy product of Compound Id wherein Z.sub.2 ' represents a hydrogen atom (hereinafter referred to as Compound Ie); a salt of Compound Ia, Ib, Ic, or Id or Ie having an A.sub.2 group with a base (hereinafter referred to as Compound If); and a salt of Compound Ia, Ib or Ic wherein Z.sub.1 ' represents a hydrogen atom with an acid (hereinafter referred to as Compound Ih); and processes for preparing the same.
    • 由式(I)表示的化合物其中Z1',Z2',Z3'和Z4'之一表示R,Z1',Z2',Z3'和Z4'中的另一个表示Z,剩余的 Z1',Z2',Z3'和Z4'的两个部分表示氢原子和/或保护基,R和Z之一表示A1,另一个表示A2,A1表示具有14-22个碳原子的酰基, 不含羧基,A2为碳原子数2〜14的酰基,具有1个羧基,X表示氢原子或卤素原子(以下称为化合物Ia)。 化合物Ia的2,2'-脱水产物,其中Z2'表示氢原子(以下称为化合物Ib); 化合物Ia的阿拉伯糖基化产物(以下称为化合物Ic); 化合物Ia的脱氨产物(以下称为化合物Id); 化合物Id的2'-脱氧产物,其中Z2'表示氢原子(以下称为化合物Ie); 具有A2基团的化合物Ia,Ib,Ic或Id或Ie的盐(以下称为化合物If); 和化合物Ia,Ib或Ic的盐,其中Z1'表示氢原子与酸(以下称为化合物Ih); 及其制备方法。