A new approach towards 2-amino-1-aryloxy-3-methoxypropanes from 1-arylmethyl-2-(bromomethyl)aziridines

Add time:07/12/2019    Source:sciencedirect.com

1-Arylmethyl-2-(bromomethyl)azirdines were converted into the corresponding 2-(aryloxymethyl)aziridines upon treatment with the appropriate potassium phenoxides in DMF/acetone in excellent yields, followed by regioselective ring opening towards N,N-di(arylmethyl)-N-(2-bromo-3-aryloxypropyl)amines using benzyl bromide in acetonitrile. Treatment of the latter β-bromoamines with sodium methoxide afforded the desired 2-amino-1-aryloxy-3-methoxypropanes as the major compounds (49–58%) besides the isomeric 3-amino-1-aryloxy-2-methoxypropanes in minor quantities (9–15%).

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