发明授权
US4383849A 2,3-Dihydro-4-pyrone derivatives, their preparation the herbicidal
compositions in which they are present and their use for selectively
destroying weeds in crops
失效
2,3-二氢-4-吡喃酮衍生物，它们的制备方法是其存在的除草组合物及其用于选择性地破坏作物中的杂草的用途
- 专利标题： 2,3-Dihydro-4-pyrone derivatives, their preparation the herbicidal compositions in which they are present and their use for selectively destroying weeds in crops
- 专利标题（中）： 2,3-二氢-4-吡喃酮衍生物，它们的制备方法是其存在的除草组合物及其用于选择性地破坏作物中的杂草的用途
-
申请号： US315981申请日： 1981-10-28
-
公开(公告)号： US4383849A公开(公告)日： 1983-05-17
- 发明人: Francois de Reinach Hirtzbach , Guy Borrod
- 申请人： Francois de Reinach Hirtzbach , Guy Borrod
- 申请人地址： FRX Lyons
- 专利权人： Rhone-Poulenc Agrochimie
- 当前专利权人： Rhone-Poulenc Agrochimie
- 当前专利权人地址： FRX Lyons
- 优先权： FRX8024698 19801114
- 主分类号： A01N43/14
- IPC分类号： A01N43/14 ; A01N43/16 ; A01P13/00 ; C07D309/32 ; C07D309/22
摘要：
The invention relates to new 2,3-dihydro-4-pyrone derivatives.These compounds correspond to the formula: ##STR1## in which R.sub.2 represents an alkyl radical (C.sub.2 -C.sub.3) and R.sub.3 represents and alkyl radical (C.sub.1 -C.sub.4), an alkenyl radical (C.sub.3 -C.sub.5) or an alkynyl radical (C.sub.3 -C.sub.5).They can be used for destroying weeds in crops, in particular sunflower and cotton crops.
公开/授权文献
- US5526448A Optical waveguide modulator having a reduced D.C. drift 公开/授权日：1996-06-11
信息查询
IPC分类:
