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Preparation of 3-bromo-l-tyrosine and 3,5-dibromo-l-tyrosine
l-Tyrosine is converted to 3-bromo-l-tyrosine in good yield by reaction with 1.2 equiv. of DMSO in HBr/AcOH, while reaction with 2.2 equiv. of DMSO under comparable conditions results in formatio...