申请人:Elliott Alison Clare
公开号:US20090048112A1
公开(公告)日:2009-02-19
Compounds of formula (I) wherein the substituents are defined as in claim
1
, are suitable for use as herbicides. Also claimed is the intermediate (II) wherein R
1
is chloro, R
2
is hydrogen and X
A
is methylsulfonate, three processes for the preparation of compounds of formula (Ih) wherein m is 1 or 2, and the other substituents are defined as in claim
1
, and a process for the preparation of compounds of the formula (IVa) wherein X
B
is a halogen atom, and the substitutents are defined as in claim
1
.