The present invention relates to herbicidally active thiazolopyridinones, in particular benzyloxy-substituted-phenyl-thiazolopyridinone derivatives,of formula (I), wherein R1, R2, G, X, Y, Z and n are as defined herein. The invention further provided processes for their preparation, and compositions comprising such derivatives. The invention also extends to the use of such compounds and compositions as herbicides, i.e. for the control of undesirable plant growth. In particular such compounds and compositions may be used in controlling weeds, such as broad-leaved dicotyledonous weeds, in crops of useful plants.
