N,n-bis(sulfonyl)hydrazines useful as antineoplastic agents
    5.
    发明授权
    N,n-bis(sulfonyl)hydrazines useful as antineoplastic agents 失效
    N,正 - 双(磺酰基)肼,可用作抗肿瘤剂

    公开(公告)号:US6040338A

    公开(公告)日:2000-03-21

    申请号:US963182

    申请日:1997-11-03

    CPC分类号: C07F9/12 C07C311/61 C07F9/091

    摘要: The present invention relates to a compound of the formula wherein R.sup.1 and R.sup.2 are selected from lower alkyl groups having 1-6 carbon atoms, substituted or unsubstituted aryl groups, and unsaturated alkyl groups having 1-6 carbon atoms; R.sup.3 is a substituted or unsubstituted lower alkyl group having 1-6 carbons; and R.sup.4 is selected from substituted or unsubstituted lower alkyl groups having 1-6 carbon atoms, substituted or unsubstituted aryl groups, and unsaturated alkyl groups having 1-6 carbon atoms. The present invention also relates to a pharmaceutical composition comprising the above compound, as well as a method of treating tumor cells with the compound.

    摘要翻译: 本发明涉及下式化合物:其中R1和R2选自具有1-6个碳原子的低级烷基,取代或未取代的芳基和具有1-6个碳原子的不饱和烷基; R3是具有1-6个碳原子的取代或未取代的低级烷基; 并且R 4选自具有1-6个碳原子的取代或未取代的低级烷基,取代或未取代的芳基和具有1-6个碳原子的不饱和烷基。 本发明还涉及包含上述化合物的药物组合物,以及用该化合物治疗肿瘤细胞的方法。

    Chromogenic 4,4-diaryldihydroquinazolones
    8.
    发明授权
    Chromogenic 4,4-diaryldihydroquinazolones 失效
    显色的4,4-二芳基二氢喹唑啉酮

    公开(公告)号:US4754034A

    公开(公告)日:1988-06-28

    申请号:US789686

    申请日:1985-10-21

    摘要: 4,4-diaryldihydroquinazolones of the formula ##STR1## wherein X.sup.1, X.sup.2 and X.sup.3, independently of one another, denote hydrogen, halogen, alkyl, aryl, alkanoylamino, aroylamino, heteryl, NY.sup.1 Y.sup.2, OY.sup.3 or SY.sup.3, at least one of the radicals X.sup.1, X.sup.2 or X.sup.3 standing for NY.sup.1 Y.sup.2, OY.sup.3 or SY.sup.3,R.sup.1 denotes hydrogen, alkyl, cycloalkyl, aralkyl, aryl or the members of a bridge to the o-carbon of ring C,R.sup.2 denotes a radical of an acid,Y.sup.1, Y.sup.2 and Y.sup.3, independently of one another, denote hydrogen, alkyl, cycloalkyl, aralkyl aryl or heteryl or the remaining members of a 5- or 6-membered ring which reaches to one of the o-position benzene C atoms and may contain further hetero atoms orY.sup.1 +Y.sup.2 denote the remaining members of a 5- or 6-membered ring which may contain further hetero atoms andthe rings A, B and C and the radicals mentioned can in turn carry nonionic substituents customary in dye-stuff chemistry, find utility in pressure-copyable thermoreactive and electrochromic recording materials.

    摘要翻译: 式(I)的4-二芳基二氢喹唑啉酮其中X 1,X 2和X 3彼此独立地表示氢,卤素,烷基,芳基,烷酰基氨基,芳酰氨基,异酰基,NY1Y2,OY3或SY3,至少一个 的基团X 1,X 2或X 3代表NY1Y2,OY3或SY3,R1表示氢,烷基,环烷基,芳烷基,芳基或与环C的邻碳的桥的成员,R2表示酸的基团, Y 1,Y 2和Y 3彼此独立地表示氢,烷基,环烷基,芳烷基芳基或杂芳基或5-位或6-元环的其余成员,其到达位置苯C原子之一并且可以含有 另外的杂原子或Y1 + Y2表示可含有更多杂原子的5或6元环的剩余成员,并且环A,B和C以及所提及的基团可以依次携带染料化学中常规的非离子取代基 ,可用于压力可复制的热反应和电致变色记录材料。