摘要 |
<p>The object of the present invention is to provide a quinone derivative exhibiting an excellent activity as a drug. The present invention provides a quinone derivative represented by the general formula (I) or a pharmacologically acceptable salt thereof: <CHEM> wherein A stands for a group represented by the formula: <CHEM> (wherein R<3>, R<4> and R<5> is the same or different from each other and each stand for a hydrogen atom, a hydroxyl group, a lower alkyl group, a lower alkoxy group, an alkoxyalkyl group, an alkoxyalkoxy group, a cycloalkylalkoxy group, a thiol group or a thioalkyl group, with the proviso that a case wherein R<3> and R<4> are each a lower alkoxy group simultaneously is excepted) or a group represented by the formula: <CHEM> (wherein R<3>, R<4> and R<5> is the same or different from each other and each stand for a hydrogen atom, a hydroxyl group, a lower alkyl group, a lower alkoxy group, an alkoxyalkyl group, an alkoxyalkoxy group, a cycloalkylalkoxy group, a thiol group or a thioalkyl group, with the proviso that a case wherein R<3> and R<4> are each a lower alkoxy group simultaneously is excepted; X and Y is the same or different from each other and each stand for a hydroxyl group or a protected hydroxyl group); R<1> stands for a heteroarylalkyl group; and B stands for a carboxyl group or a protected carboxyl group.</p> |
申请人 |
EISAI CO., LTD. |
发明人 |
OKAMOTO, YASUSHI;TAGAMI, KATSUYA;HIBI, SHIGEKI;NUMATA, HIROTOSHI;KAWAHARA, TETSUYA;KOBAYASHI, NAOKI;SHINODA, MASANOBU;HARADA, KOUKICHI;MIYAMOTO, KANAME;ABE, KOICHI |