A PROCESS FOR PREPARING ANTHRANILIC DIAMIDES AND INTERMEDIATES THEREOF
The present invention relates a novel process for preparing a compound of Formula I,wherein, R1, R2, R3a, R3b, R3c, R4, R5, R6, R7 and Z are as defined in the description.The process comprises a novel and inventive step of converting a dione of Formula II into an isatoic anhydride of Formula V in a...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | The present invention relates a novel process for preparing a compound of Formula I,wherein, R1, R2, R3a, R3b, R3c, R4, R5, R6, R7 and Z are as defined in the description.The process comprises a novel and inventive step of converting a dione of Formula II into an isatoic anhydride of Formula V in a single step.wherein, R2 is F, Cl, Br or I; R1, R3a, R3b, R3c, R4, R5, R6, R7 and Z are as defined in the description. |
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