Synthesis of N(1)-phosphotryptophan
Abstract
N(1)-Phospho-L-tryptophan was prepared by phosphorylation with dimethyl phosphorochloridate of benzyl Nα-(benzyloxycarbonyl)-N(1)-lithiotryptophanate followed by deprotection with CF3SO3H–CF3CO2H–Me2S–m-cresol.