The synthesis of orthogonally protected 3-(aminomethyl)-2-(carboxymethyl)isoxazolidinyl thymine, a convenient monomer for the preparation of novel isoxazolidinyl peptide nucleic acid analogues, has been achieved through enantioselective 1,3-dipolar cyclo-addition between N-glycosyl nitrones and vinyl acetate. (C) 2007 Elsevier Ltd. All rights reserved.
The invention provides pharmaceutical compositions comprising primary N-hydroxylamines and related therapeutic, prophylactic, diagnostic and screening methods. The pharmaceutical compositions generally comprise a pharmaceutical composition comprising an orally administrable effective unit solid dosage of a primary N-hydroxylamine or a pharmaceutically acceptable salt thereof and substantially free of a nitrone corresponding to the hydroxylamine.