专利检索 ap:("Yoshio Sato" OR "Naoki Taketomo" OR "Yoshihiro Yoshiyama" OR "Katsumi Ajisaka" OR "Itsuro Yokota") AND inv:"Yoshihiro Yoshiyama" 第 1 页

1.

发明授权
Benzofuran derivative and pharmaceutical comprising the same as active ingredient 失效
标题翻译：包含它们的BENZOFURAN衍生物和药物作为活性成分

公开(公告)号：US5244918A

公开(公告)日：1993-09-14

申请号：US720829

申请日：1991-07-16

申请人： Yoshio Sato , Naoki Taketomo , Yoshihiro Yoshiyama , Katsumi Ajisaka , Itsuro Yokota

发明人： Yoshio Sato , Naoki Taketomo , Yoshihiro Yoshiyama , Katsumi Ajisaka , Itsuro Yokota

IPC分类号： C07D307/79 , C12P17/04

CPC分类号： C07D307/79 , C12P17/04 , C12R1/645

摘要： The present invention relates to a benzofuran derivative having the following general formula (I), ##STR1## wherein R.sup.1 and R.sup.2 may be the same or different and represent a hydrogen atom or a lower alkyl group and R.sup.3 represents a group --CH.dbd.CH--CH.dbd.CH--CH.sub.3 or a group --(CH.sub.2).sub.4 CH.sub.3, a process for the preparation of the same, an anti-inflammation and anti-allergic agent comprising the same as an effective component, and a novel microorganism producing the compound.