MCCANN, STEPHEN FREDERICK,麦肯 史帝芬佛来德瑞克,麥肯 史帝芬佛來德瑞克,STEVENSON, THOMAS MARTIN,史帝文森 汤马士马汀,史帝文森 湯馬士馬汀
申请号:
TW108134813
公开号:
TW202021953A
申请日:
2019.09.26
申请国别(地区):
TW
年份:
2020
代理人:
摘要:
Disclosed is a compound of FormulaI, includingN-oxides, and salts thereof,wherein R1, R2and R3are defined as set forth in the disclosure. Also disclosed is a process for preparing a compound of FormulaI. A compound of FormulaIcan also be used as a synthetic intermediate to prepare pyridazinone-based herbicides.所揭露者係一種式I化合物,其包括其N-氧化物及其鹽類,其中R1、R2及R3係如本揭露中所定義。亦揭示者係一種用於製備式I化合物之程序。式I化合物亦可用作製備基於嗒酮之除草劑之合成中間體。