Process for preparing 4-nitro-o-phthalic acid

Details Process for preparing 4-nitro-o-phthalic acid Process for preparing 4-nitro-o-phthalic acid

1977-07-11

1979-01-30

Siegel, A.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

C07C 5124

Patent

active

041374193

ABSTRACT:
A process for converting (1) an indene, (2) a polyindene, (3) a dihydronaphthalene or (4) a polydihydronaphthalene to 4-nitro-o-phthalic acid which involves nitrating said indene, polyindene, dihydronaphthalene or polydihydronaphthalene and then oxidizing said nitrated indene, polyindene, dihydronaphthalene or polydihydronaphthalene with nitric acid.

REFERENCES:
patent: 3978117 (1976-08-01), Bacha
patent: 3978118 (1976-08-01), Onopchenko
patent: 3978119 (1976-08-01), Onopchenko

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