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3272-27-3

Urea, methoxy- synthesis

5synthesis methods
-

Yield:3272-27-3 93%

Reaction Conditions:

in water at 20; for 0.333333 h;

Steps:

O-Methylhydroxylaminehydrochloride

Acetophenone wasdistilled off from the mixture of acetophenone O-methyloxime (15 g)and 100 mL of conc. HCl (bath temperature 140°C) under atmospheric pressure. The residueafter distillation was evaporated to dryness under reduced pressure to afford 8.41 g (100 %) of O-methylhydroxylamine hydrochloride. The 1HNMR data are identical to the previously reported.4 This procedure is general for a wide variety ofO-alkylhydroxylamines

References:

Kolosov, Maksim A.;Kulyk, Olesia G.;Al-Ogaili, Muataz J.K.;Orlov, Valeriy D. [Tetrahedron Letters,2015,vol. 56,# 32,art. no. 46433,p. 4666 - 4669] Location in patent:supporting information