发明名称 |
PROCESS FOR PRODUCING BENZOPYRANE DERIVATIVES AND PHARMACEUTICAL PREPARATIVES CONTAINING SUCH ACTIVE AGENTS |
摘要 |
A compound of the formula (I): <CHEM> or a pharmaceutically acceptable salt thereof, wherein: R<1> is a hydrogen atom, a substituted or unsubstituted C1-6 alkyl group, a C2-6 alkenyl group, a C2-6 alkynyl group or a R<7>-CO- group (wherein R<7> is a C1-6 alkyl group, a phenyl group, a C2-6 alkenyl group which may be substituted by a phenyl group, or a C1-6 alkoxy group); R<2> is a hydrogen atom, a substituted or unsubstituted C1-8 alkyl group, or a phenyl group; R<3> is a hydrogen atom, and R<4> is a hydroxyl group, or R<3> and R<4> together form a bond; each of R<5> and R<6> is a C1-4 alkyl group; and Y is a cyano group, a halogen atom, a nitro group, a C1-6 alkyl group, a C2-6 alkynyl group, a C1-6 alkylcarbonyl group, a C1-6 alkoxy group, a di-C1-6 alkylaminocarbonyl group, an aryl group, a C1-6 alkoxycarbonyl group, a carboxyl group or a morpholinocarbonyl group. |
申请公布号 |
HU904956(D0) |
申请公布日期 |
1991.01.28 |
申请号 |
HU19900004956 |
申请日期 |
1990.08.10 |
申请人 |
KAKEN PHARMACEUTICAL CO. LTD.,JP |
发明人 |
OHTUKA,KATUYUKI,JP;ISHIYAMA,NOBUOO,JP;IIDA,YASUHITO,JP;SERI,KENJI,JP;MURAI,TAKESHI,JP;SANAI,KAZUKO,JP;ISHIZAKA,YOSHIHIRO,JP |
分类号 |
C07D311/58;A61K31/35;C07D311/68;C07D311/70 |
主分类号 |
C07D311/58 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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