Process for preparing daunomycin and analogues thereof
    24.
    发明授权
    Process for preparing daunomycin and analogues thereof 失效
    道诺霉素及其类似物的制备方法

    公开(公告)号:US4107423A

    公开(公告)日:1978-08-15

    申请号:US695434

    申请日:1976-08-14

    IPC分类号: C07H15/252 C07H15/24

    CPC分类号: C07H15/252

    摘要: Racemic anthracyclinones of the general formula II ##STR1## when condensed with 2,3,6-trideoxy-3-trifluoroacetamido-4-0-trifluoroacetyl-.alpha.-L-lyxo-pyranosyl chloride in the presence of silver trifluoromethane sulphonate yield an easily separable mixture of equimolar amounts of exclusively the .alpha.-glycoside of the 7S : 9S diastereomer and the .beta.-glycoside of the 7R : 9R diastereomer. In this way the biologically important .alpha.-glycosides of the 7S : 9S diastereomer of the general formula I (below) are easily prepared from a racemic anthracyclinone.

    摘要翻译: 在三氟甲磺酸银存在下与2,3,6-三脱氧-3-三氟乙酰胺基-4-0-三氟乙酰-α-L-吡唑并吡喃二氯甲烷缩合时,通式II II的外消旋蒽环类产生容易 7S:9S非对映异构体的α-糖苷和7R:9R非对映异构体的β-糖苷的等摩尔量的可分离混合物。 以这种方式,通式I(下文)的7S:9S非对映异构体的生物学上重要的α-糖苷类可以容易地由外消旋​​蒽环类抗生素制备。

    Daunorubicin and doxorubicin labelled with .sup.14 C at the 14-position
and processes for their preparation
    26.
    发明授权
    Daunorubicin and doxorubicin labelled with .sup.14 C at the 14-position and processes for their preparation 失效
    柔红霉素和多柔比星在14位标记14C并进行制备

    公开(公告)号:US4211864A

    公开(公告)日:1980-07-08

    申请号:US877755

    申请日:1978-02-14

    CPC分类号: C07H15/252 Y02P20/55

    摘要: [14-.sup.14 C]-daunorubicin and doxorubicin are prepared by reacting 9-desacetyl-9-formyl-N-trifluoroacetyl daunorubicin with [.sup.14 C]-diazomethane to form [14-.sup.14 C]-N-trifluoroacetyl daunorubicin from which the protecting group is removed by mild alkaline hydrolysis to afford [14-.sup.14 C]-daunorubicin which is then, in the form of the hydrochloride, reacted with bromine to form the corresponding labelled 14-bromo derivative, which, upon treatment with sodium formate leads to [14-.sup.14 C]-doxorubicin.

    摘要翻译: [14-14C] - 柔红霉素和多柔比星通过9-去乙酰基-9-甲酰基-N-三氟乙酰柔红霉素与[14C] - 重氮甲烷反应制备[14-14C] -N-三氟乙酰柔红霉素,从其中除去保护基 通过轻度碱性水解得到[14-14C] - 柔红霉素,然后以盐酸盐的形式与溴反应形成相应的标记的14-溴衍生物,其在用甲酸钠处理时,得到[14-14C ] - 二柔比星。

    Site specific alkylating agents
    28.
    发明授权
    Site specific alkylating agents 失效
    现场特异性烷化剂

    公开(公告)号:US5310752A

    公开(公告)日:1994-05-10

    申请号:US925408

    申请日:1992-08-10

    CPC分类号: C07D409/12 C07D207/34

    摘要: The invention relates to distamycin A analogs of the following formula ##STR1## wherein n is 2, 3 or 4; A is an optionally substituted divalent radical chosen from ##STR2## and --Het-- wherein Het is a pentatomic or hexatomic heteromonocyclic ring, except pyrrole; and wherein either one of R.sub.1 and R.sub.2 is hydrogen and the other is an acylating moiety or R.sub.1 and R.sub.2 are both hydrogen or both alkyl groups optionally substituted, including the pharmaceutically acceptable salts of the said compounds.The compounds of the invention can be useful antitumor and antiviral agents.

    摘要翻译: 本发明涉及下列式的分心霉素A类似物:其中n为2,3或4; A是选自以下的任选取代的二价基团:其中Het是五原子或六原子异单环,除了吡咯; 并且其中R 1和R 2中的任一个是氢,而另一个是酰化部分或R 1和R 2都是氢或任选被取代的两个烷基,包括所述化合物的药学上可接受的盐。 本发明的化合物可以是有用的抗肿瘤剂和抗病毒剂。

    Site specific alkylating agents
    29.
    发明授权
    Site specific alkylating agents 失效
    现场特异性烷化剂

    公开(公告)号:US5049579A

    公开(公告)日:1991-09-17

    申请号:US607339

    申请日:1990-10-31

    IPC分类号: C07D207/34 C07D409/12

    CPC分类号: C07D409/12 C07D207/34

    摘要: The invention relates to distamycin A analogs of the following formula ##STR1## wherein n is 2, 3 or 4; A is an optionally substituted divalent radical chosen from ##STR2## and -Het- wherein Het is a pentatomic or hexatomic heteromonocyclic ring, except pyrrole; and wherein either one of R.sub.1 and R.sub.2 is hydrogen and the other is an acylating moiety or R.sub.1 and R.sub.2 are both hydrogen or both alkyl groups optionally substituted, including the pharmaceutically acceptable salts of the said compounds.The compounds of the invention can be useful antitumor and antiviral agents.

    摘要翻译: 本发明涉及下列式的分心霉素A类似物:其中n为2,3或4; A是选自以下的任选取代的二价基团:其中Het是五原子或六原子异单环,除了吡咯; 并且其中R 1和R 2中的任一个是氢,而另一个是酰化部分或R 1和R 2都是氢或任选被取代的两个烷基,包括所述化合物的药学上可接受的盐。 本发明的化合物可以是有用的抗肿瘤剂和抗病毒剂。

    Antracycline glycosides, pharmaceutical compositions and method of use
    30.
    发明授权
    Antracycline glycosides, pharmaceutical compositions and method of use 失效
    抗菌素苷,药物组合物和使用方法

    公开(公告)号:US4477444A

    公开(公告)日:1984-10-16

    申请号:US434509

    申请日:1982-10-15

    CPC分类号: C07H15/252 Y02P20/55

    摘要: Disclosed is a process for preparing the new antitumor glycosides: 4'-deoxy-3'-epi-daunorubicin and 4'-deoxy-3'-epi-doxorubicin starting from the known 3'-epi-4'-keto-N-trifluoroacetyl-daunorubicin.Reduction of the 4'-keto group with sodium borohydride to the corresponding 4'-hydroxy group, reacting the so obtained intermediate with trifluoromethanesulphonic anhydride followed by treatment with n-tetrabutylammonium iodide, dehalogenated reductively, by treatment with tributyl tin hydride to 4'-deoxy-3'-epi-N-trifluoroacetyl-daunorubicin.A mild alkaline hydrolysis removes the N-protecting group to give 4'-deoxy-3'-epi-daunorubicin which is successively transformed, via its 14-bromo derivative, in its doxorubicin analogue.

    摘要翻译: 公开了一种制备新型抗肿瘤糖苷的方法:从已知的3'-表面-4'-酮-n-三磷酸开始制备4'-脱氧-3'-表柔比星和4'-脱氧-3'-表阿霉素, 三氟乙酰柔红霉素。 将4'-酮基用硼氢化钠还原成相应的4'-羟基,使所得中间体与三氟甲磺酸酐反应,然后用正丁基碘化铵处理,还原脱卤,通过用三丁基锡氢化物处理至4'- 脱氧-3'-表N-N-三氟乙酰柔红霉素。 轻度碱性水解除去N-保护基,得到4'-脱氧-3'-表柔比星,其通过其14-溴衍生物在其多柔比星类似物中相继转化。