4-Nitrobenzaldehyde → p-Nitrobenzaldoxime

참여 물질

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반응 단계

453 g (3 mols) of p-nitrobenzaldehyde was dissolved in 1350 ml of methanol and then, an aqueous solution of 241 g (3.3 mols) of hydrochloric acid hydroxylamine hydrochloride in 300 ml of water was added dropwise over 30 minutes while maintaining the reaction temperature at 30° C. Thereafter, stirring was effected at the same temperature for two hours and the mixture was diluted with 2000 ml of water. White crystals deposited were filtered, washed with water and dried. 480 g of p-nitrobenzaldoxime was obtained (yield, 96.5%). M.P. 128° to 131° C.

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