Timothy Jeremiah Cornelius O'Riordan,Stephen Edward Shanahan
申请号：
GB201600899
公开号：
GB2546336A
申请日:
2016.01.18
申请国别(地区):
GB
年份:
2017
代理人:
摘要：
Benzyloxy-phenyl-hydrazone ester derivatives as intermediates for the preparation of herbicidal compounds A compound of formula (I) or a salt or N-oxide thereof, wherein R2 is a substituent as herein defined； R3 is C1-C6alkyl； X and Y are each independently hydrogen, C1-C3alkyl, C1-C3alkoxy, C1-C3haloalkyl, C1-C3haloalkoxy or halogen； and n is an integer of 0, 1, 2, 3, 4 or 5. The compounds of formula (I) are useful in the preparation of herbicidally active benzyloxy-substituted phenyl-pyridazine-dione and benzyloxy-substituted phenyl-pyridazinone compounds.
