To provide a process for producing an anthranilamide having the 3-position of pyrazole substituted by a bromine atom, or its salt.
A process for producing an anthranilamide compound represented by the formula (I) or its salt:
which comprises reacting a compound represented by the formula (II):
(wherein Z is 2-pyridyl, 3-pyridyl, 4-pyridyl or benzene substituted by a nitro group), with a brominating agent, to produce a compound represented by the formula (III):
and further reacting the compound of the formula (III) with an oxidizing agent.
提供一种制备在
吡唑的3位被
溴原子取代的
蒽酰胺或其盐的过程。该过程包括反应式(II)的化合物:(其中Z是2-
吡啶基,3-
吡啶基,4-
吡啶基或被硝基取代的苯基),与
溴化试剂反应,生成式(III)的化合物:进一步将式(III)的化合物与氧化剂反应,制备式(I)的
蒽酰胺化合物或其盐。