ChemicalBook CAS DataBase List 2-NITRO-1,3-INDANDIONE

2-NITRO-1,3-INDANDIONE synthesis

7synthesis methods

Product Name:2-NITRO-1,3-INDANDIONE
CAS Number:3674-33-7
Molecular formula:C9H5NO4
Molecular Weight:191.14

Benzoic acid, 2-(2-nitroacetyl)-, methyl ester

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Yield:-

Reaction Conditions:

in water;benzene;

Steps:

14.a Cyclisation of 2-methoxycarbonyl-ω-nitroacetophenone to 2-nitroindane-1,3-dione

a. A suspension of 2-methoxycarbonyl-ω-nitroacetophenone (2.23 g; 0.01 mole) in dry benzene (30 ml) was treated with sodium hydride (0.24 g; 0.01 mole) and the mixture heated for 6 hours at 100°C. After cooling, water was added and the phases separated. Acidification of the aqueous phase gave 0.964g of starting material. Evaporation of the aqueous filtrate gave a yellow solid which after recrystallisation gave 2-nitroindandione, m.p. (water: hydrochloric acid) 110°-113°C,

References:

US3983156,1976,A