发明名称 |
Benzopyran derivatives and their use |
摘要 |
This invention relates to a compound represented by the formula: <IMAGE> wherein B represents a hydrogen atom or a lower alkyl group; ring A represents a benzene ring which may have one or more substituents; +E,ovs xxxxx+EE represents a single or double bond; Q1 represents the group represented by the formula, <IMAGE> or a hydrocarbon residue substituted with the group represented by the formula, <IMAGE> wherein X represents a bond or a spacer having a chain length of 1 to 4 atoms as the linear moiety which may have one or more side chains; R1 and R2, whether identical or not, independently represent a hydrogen atom or a lower alkyl, or may bind together to form a ring; Q2 represents a hydrogen atom, a hydrocarbon residue which may be substituted or a heterocyclic ring residue which may be substituted; or a salt thereof.
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申请公布号 |
US5580863(A) |
申请公布日期 |
1996.12.03 |
申请号 |
US19940242638 |
申请日期 |
1994.05.13 |
申请人 |
TAKEDA CHEMICAL INDUSTRIES, LTD. |
发明人 |
SOHDA, TAKASHI;TAKETOMI, SHIGEHISA;ODA, TSUNEO |
分类号 |
C07F9/655;C07F9/6558;C07F9/6571;(IPC1-7):A61K31/665;A61K31/675;C07D311/24;C07F9/38 |
主分类号 |
C07F9/655 |
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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