发明授权
- 专利标题： Tetrahydrofuran derivatives
- 专利标题（中）： 四氢呋喃衍生物
-
申请号： US216609申请日： 1980-12-15
-
公开(公告)号： US4308051A公开(公告)日： 1981-12-29
- 发明人: Takeo Yoshimoto , Teruhiko Toyama , Keiichi Igarashi , Masaaki Ura , Yuji Enomoto , Yasunobu Funakoshi , Yoshikata Hojo
- 申请人： Takeo Yoshimoto , Teruhiko Toyama , Keiichi Igarashi , Masaaki Ura , Yuji Enomoto , Yasunobu Funakoshi , Yoshikata Hojo
- 申请人地址： JPX Tokyo
- 专利权人： Mitsui Toatsu Chemicals, Inc.
- 当前专利权人： Mitsui Toatsu Chemicals, Inc.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX54-162711 19791217
- 主分类号： A01N43/08
- IPC分类号： A01N43/08 ; C07D307/20
摘要：
A tetrahydrofuran derivative represented by the general formula ##STR1## wherein X.sub.1 and X.sub.3 represent a hydrogen or halogen atom, and X.sub.2 represents a halogen atom or a trifluoromethyl group. The compounds have excellent herbicidal activity and can be prepared by reacting a compound of the formula ##STR2## wherein R represents a nitro group or a group of the formula ##STR3## in which X.sub.1, X.sub.2 and X.sub.3 are as defined above, with 3-hydroxytetrahydrofuran in the presence of an alkali.
公开/授权文献
信息查询
IPC分类:
