申请人:E. I. Du Pont de Nemours and Company
公开号:US04108628A1
公开(公告)日:1978-08-22
Herbicidal cycloalkanapyrazoles of the formula: ##STR1## where N IS 3, 4 OR 5; R.sub.1 is hydrogen or methyl; Q is fluorine, chlorine, bromine or iodine; X is fluorine, chlorine, bromine, iodine, cyano, methoxy or nitro; Y is hydrogen, fluorine, or chlorine; Z is hydrogen or fluorine; and V is hydrogen, fluorine, chlorine or methoxy With the proviso that (a) when n is 5, R.sub.1 must be hydrogen, Q must be chlorine or bromine, Z and V must both be hydrogen and Y must be hydrogen or fluorine; (b) when n is 3 or 4 and Q is fluorine or iodine, R.sub.1, Z and V must be hydrogen and Y must be hydrogen or fluorine; (c) when n is 3 and R.sub.1 is methyl, Q must be chlorine or bromine, Y must be hydrogen or fluorine and Z and V must both be hydrogen; and, (d) when V is other than hydrogen, X must be fluorine, chlorine or bromine and Z must be hydrogen.
式子为:##STR1## 其中N为3、4或5;R.sub.1为氢或甲基;Q为氟、氯、溴或碘;X为氟、氯、溴、碘、氰基、甲氧基或硝基;Y为氢、氟或氯;Z为氢或氟;V为氢、氟、氯或甲氧基。但需注意:(a)当n为5时,R.sub.1必须为氢,Q必须为氯或溴,Z和V必须都为氢,Y必须为氢或氟;(b)当n为3或4且Q为氟或碘时,R.sub.1、Z和V必须为氢,Y必须为氢或氟;(c)当n为3且R.sub.1为甲基时,Q必须为氯或溴,Y必须为氢或氟,Z和V必须都为氢;(d)当V不为氢时,X必须为氟、氯或溴,Z必须为氢。