A PROCESS FOR PREPARING ANTHRANILIC DIAMIDES AND INTERMEDIATES THEREOF

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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KANAWADE, Shrikant Bhausaheb, SALVI, Vijay Kumar, PANMAND, Deepak Shankar, NAGLE, Pramod Subhash, SYTHANA, Suresh Kumar, KLAUSENER, Alexander, KALE, Yuvraj Navnath
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
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.