A microwave-enhanced, palladium-catalyzed protocol for the α-arylation of a protected glycine in neat water is described. This reaction proceeds rapidly, under non-inert conditions, to afford a range of phenylglycine derivatives in moderate to good yields. Based on this α-arylation, a number of aryl L-methionine-SR-sulfoximine (MSO) analogues were prepared and evaluated for their Mycobacterium tuberculosis glutamine synthetase (TB-GS) inhibitory activity.
Keywords: Arylation, glutamine synthetase, microwave, palladium, tuberculosis, water
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