Production of unsubstituted or substituted isatoic anhydride

Details Production of unsubstituted or substituted isatoic anhydride Production of unsubstituted or substituted isatoic anhydride

1973-11-27

1976-10-05

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D26500, C07D27300, C07D29500

Patent

active

039844064

ABSTRACT:
The production of unsubstituted or substituted isatoic anhydride by reaction of an alkali metal phthalamate with a hypohalite in the presence of bromine, iodine and/or a halogen amide or polymerization inhibitor. The products are starting materials for the production of dyes, plant protection agents and odorants.

REFERENCES:
patent: 3122538 (1964-02-01), Clauson-Kaas et al.
patent: 3383415 (1968-05-01), Carabateas
patent: 3509198 (1970-04-01), Kuehle et al.

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