Réaction #46155

Équation de réaction

3-Phenyl-6-(3-phenylpropyloxy)-1-oxo-1H-indene-2-carboxylate ethyl ester

hydroxyamine

hydrochloric acid

pyridine

→

1-hydroxyimino-3-phenyl-6-(3-phenylpropyloxy)-1H-indene-2-carboxylate ethyl ester

Rendement 9.5%

Conditions de réaction

Traitement

1. 1
   Lavagewashed with saturated ammonium chloride
2. 2
   AutreThe organic layer obtained
3. 3
   Extractionby extracting the reaction mixture with ethyl acetate
4. 4
   Séchagewas dried over anhydrous magnesium sulfate
5. 5
   Concentrationconcentrated
6. 6
   Autrethe residue was purified by silica gel column chromatography (ethyl acetate:hexane=1:2)

Mode opératoire

3-Phenyl-6-(3-phenylpropyloxy)-1-oxo-1H-indene-2-carboxylate ethyl ester (2 g, 4.85 mmol) and hydroxyamine.hydrochloric acid (1.01 g, 14.6 mmol) were dissolved in pyridine (1.57 ml, 19.4 mmol). The reaction mixture was stirred for 1 hour at 70° C., and washed with saturated ammonium chloride. The organic layer obtained by extracting the reaction mixture with ethyl acetate was dried over anhydrous magnesium sulfate, concentrated, and the residue was purified by silica gel column chromatography (ethyl acetate:hexane=1:2) to obtain 1-hydroxyimino-3-phenyl-6-(3-phenylpropyloxy)-1H-indene-2-carboxylate ethyl ester (yield 9.5%) as a yellow solid.

Source