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A new synthesis of phosphoramidates: inhibitors of the key bacterial enzyme aspartate semi-aldehyde dehydrogenase
Authors:Adams Luke A  Cox Russell J  Gibson Jennifer S  Mayo-Martín M Belén  Walter Magnus  Whittingham William
Affiliation:School of Chemistry, University of Bristol, Cantock's Close, Bristol, UK BS8 1TS.
Abstract:A new, mild and high yielding synthesis of phosphoramidates is described: potassium salts of carboxylic acids are treated with ethylchloroformate and the resulting activated anhydride-carbonates are then treated with LiNH-P(O)(OEt)2 in situ--the methodology is especially suited to acid sensitive systems featuring BOC, tBu or acetal protecting groups.
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