Hydroxylamine → Methyl 5-(N'-hydroxycarbamimidoyl)-2,4-dimethylbenzoate

関与物質

反応手順

A solution of methyl 5-cyano-2,4-dimethylbenzoate (compound 2.3, 6 g, 28.54 mmol, 1.00 equiv, 90%) and NH2OH (10 mL, 5.00 equiv, 50% in water) in EtOH (20 mL) was stirred at 100° C. in an oil bath. After 2 h, the mixture was cooled to room temperature and concentrated under reduced pressure. The residue was diluted with 100 mL of ethyl acetate, washed with 2×20 mL of brine, dried (Na2SO4), and concentrated under reduced pressure to yield 4.66 g (66%) of the title compound as a white solid.

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