Main > ORGANIC CHEMICALS > Aromatics > Imide > 4-Nitro-N-Methyl-Phthalimide. > Patent > Claims > Claim 1: Nitration N-(1-10C Alkyl) > Phthalimide Process: a) Form Soln. > of N-Alkyl Phthalimide in Solvent > > 95% Nitric Acid; b) Reaction at > Temp. = -20C to BP of Nitric Acid; > IMPROVEMENT; Add Promoter: > Acid Anhydride. Claim 5: > Inorganic Acid Anhydride Selected

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Inorganic Acid Anhydride Selected's subsections
Nitric Anhydride;

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