Introduction: Due to low solubility of the (semi-)essential amino acids Tyrosine (Tyr ... on TPN were studied on day 7 of life. Group A (n=5, birthweight 1.41±0.32 kg, gest.
The procedure summarized below, and which involved the synthesis of N-acetyl-tyrosine and N-acetyl-3 : 5-diiodotyrosine as intermediates, was finally adopted. All compounds were hence labelled in ...