Water → 2-Azido-2-(4-isopropyl-2-methoxyphenyl)-4-nitro-2H-inden-1,3-dione

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Reaction Steps

2-chloro-2-(4-isopropyl-2-methoxyphenyl)-4-nitro-2H-inden-1,3-dione (1.23 g, 3.2 mmol) was completely dissolved in acetone (30 ml). This solution was added with sodium azide (0.47 g, 7.2 mmol), sodium iodide (0.59 g, 3.9 mmol), water (6 ml), followed by heating 12 hrs under reflux. The reaction mixture was concentrated, and extracted with ethylacetate, and the concentrated organic layer was purified using column chromatography (ethylacetate:hexane=1:4) to afford the title compound (Brown syrup, 600 mg, 48%).

Provenance & Evidence