Derivatives of 4,4-difluorobut-3-enylsulfinic acid and their use as pesticides
申请人:Zeneca Limited
公开号:US06274632B1
公开(公告)日:2001-08-14
The invention relates to compounds of the formula (I): CF2═CX—CH2—CH2—S(O)—R wherein X represents hydrogen, halogen or lower alkyl, and R represents a group OR1 or NR2R3 wherein R1, R2 and R3 are as defined in the description. The compounds are useful for controlling insect and like pests of agriculture.
Process for the preparation of fluoroalkenylthio heterocyclic derivatives
申请人:Zeneca Limited
公开号:US05728833A1
公开(公告)日:1998-03-17
A process for the preparation of a compound of formula (I): HetSCH.sub.2 CH.sub.2 CH.dbd.CF.sub.2 (I) wherein Het is an optionally substituted 5- or 6-membered heterocyclic ring, which comprises reacting a compound of formula (II): HetSH (II) with a compound of formula (III): CF.sub.2 .dbd.CHCH.sub.2 CH.sub.2 L (III) wherein L is chlorine or bromine or a group --OSO2R.sup.a wherein R.sup.a is a C1-4 alkyl group or a phenyl group optionally substituted by a C1-4 alkyl group.
一种制备式(I)化合物的方法:其中,Het是可选取代的5-或6-成员杂环环,包括将式(II)化合物:HetSH (II)与式(III)化合物反应:CF.sub.2 .dbd.CHCH.sub.2 CH.sub.2 L (III),其中L为氯或溴或基团--OSO2R.sup.a,其中R.sup.a是C1-4烷基或可选取代的苯基,所述取代基为C1-4烷基。
Difluorobutenes and difluorobutanes
申请人:Zeneca, Limited
公开号:US05914423A1
公开(公告)日:1999-06-22
A process for the preparation of a compound of formula (I): HetSCH.sub.2 CH.sub.2 CH.dbd.CF.sub.2 (I) wherein Het is an optionally substituted 5- or 6-membered heterocyclic ring, which comprises reacting a compound of formula (II): HetSH (II) with a compound of formula (III): CF.sub.2 .dbd.CHCH.sub.2 CH.sub.2 L (III) wherein L is chlorine or bromine or a group --OSO2R.sup.a wherein R.sup.a is a C1-4 alkyl group or a phenyl group optionally substituted by a C1-4 alkyl group.