Radioiodinated pteroyltyrosine: A novel
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Peter R. Farina; James A. Grattan
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Article
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1981
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Elsevier Science
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English
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Pteroyltyrosine, a folate analog was synthesized by the condensation of 6-formylpterin and p-aminobenzoyl-L.-tyrosine methyl ester followed by dimethylamine borane reduction and mild deesterification. The radioiodinated nroduct was employed in a competitive protein binding assay for pteroylghrtamic