申请人:Ciba-Geigy Corporation
公开号:US05028256A1
公开(公告)日:1991-07-02
A composition for protecting culture plants from the phytotoxic action of herbicidally active chloracetanilides contains as active ingredient an acylamine derivative of the formula I ##STR1## wherein X is oxygen, sulfur, --SO-- or --SO.sub.2 --, Q is an alkyl, alkenyl, alkinyl group, which may be interrupted by oxygen sulfur sulfonyl or sulfonyl, or a test 1,3-dioxolan-2-yl-alkyl, 1,3-dioxolan-4-alkyl, 2,2-dialkyl-1,3-dioxolan-4-ylalkyl, 1,3-dioxan-2-ylalkyl, 2-benzopyranylalkyl, alkoxycarbonyl alkenyloxycarbonyl or tetrahydrofurylalkyl, or the group Q--X represents also a halogenoalkyl radical, n is 1, 2 or 3, Z is hydrogen, halogen, alkyl or dioxymethylene, alkoxy, alkenyloxy or alkinyloxy, A is a C.sub.1 -C.sub.8 -hydrocarbon radical which may be straight-chained, branched or cyclic and which is unsubstituted or substituted by alkoxy, alkylthio, cyano or halogen, R is halogenoalkyl or halogenoalkenyl, R.sub.1 is hydrogen, a C.sub.1 -C.sub.5 alkyl, C.sub.3 -C.sub.5 alkenyl or C.sub.3 -C.sub.5 alkynyl radical, which is substituted or unsubstituted or R.sub.1 may be cycloalkyl, alkylcycloalkyl, 1,3-dioxolan-2-ylalkyl, 1,3-dioxolan-4-ylalkyl, 1,3-dioxan-2-ylalkyl, furylalkyl, tetrahydrofurylalkyl or a radical --NH--COOR.sub.2, --CH.sub.2 COOR.sub.2, CH(CH.sub.3)COOR.sub.2 or alkoxy-imino-alkyl --CH(R.sub.3)--C(R.sub.4).dbd.N--OR.sub.5, wherein R.sub.2 is methyl, ethyl, propyl, isopropyl or allyl R.sub.3 and R.sub.4 are hydrogen or C.sub.1 -C.sub.4 alkyl and R.sub.5 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 C.sub.4 alkanyl or C.sub.3 -C.sub.4 alkynyl. These compounds protect culture plants such as cereal, maize, millet and rice from the phytotoxic action of the chloracetanilide without reducing the herbicidal action on the weeds.
一种用于保护文化植物免受除草活性氯乙酰胺类草甘膦的光毒作用的组合物,其活性成分为式I的酰胺衍生物
##STR1##
其中X是氧、硫、-SO-或-SO.sub.2-,Q是一种烷基、烯基、炔基,可以被氧、硫、磺酰或磺酰中断,或者是测试1,3-二氧杂环戊烷-2-基-烷基、1,3-二氧杂环戊烷-4-烷基、2,2-二烷基-1,3-二氧杂环戊烷-4-基烷基、1,3-二氧杂环己烷-2-基烷基、2-苯并吡喃基烷基、烷氧羰基烯基氧羰基或四氢呋喃基烷基,或者Q-X基团也可以表示卤代烷基基团,n为1、2或3,Z为氢、卤素、烷基或二氧甲基、烷氧基、烯氧基或炔氧基,A是一种C.sub.1-C.sub.8-碳氢基团,可以是直链、支链或环状的,未取代或由烷氧基、烷基硫、氰基或卤素取代,R是卤代烷基或卤代烯基,R.sub.1是氢、C.sub.1-C.sub.5烷基、C.sub.3-C.sub.5烯基或C.sub.3-C.sub.5炔基基团,可以取代或未取代,或者R.sub.1可以是环状烷基、烷基环状烷基、1,3-二氧杂环戊烷-2-基烷基、1,3-二氧杂环戊烷-4-基烷基、1,3-二氧杂环己烷-2-基烷基、呋喃基烷基、四氢呋喃基烷基或基团--NH--COOR.sub.2、--CH.sub.2COOR.sub.2、CH(CH.sub.3)COOR.sub.2或烷氧基亚胺基烷基--CH(R.sub.3)--C(R.sub.4).dbd.N--OR.sub.5,其中R.sub.2为甲基、乙基、丙基、异丙基或烯丙基,R.sub.3和R.sub.4为氢或C.sub.1-C.sub.4烷基,R.sub.5为氢、C.sub.1-C.sub.6烷基、C.sub.3-C.sub.4烷基或C.sub.3-C.sub.4炔基。这些化合物保护文化植物,如谷物、玉米、小米和稻米,免受氯乙酰胺类除草剂的光毒作用,而不会减少对杂草的除草作用。