O-Allyl-L-tyrosine methyl ester hydrochloride is a protected tyrosine-derived amino acid ester in which the phenolic hydroxyl of L-tyrosine is O-allylated while the carboxyl group is converted to a methyl ester, and the hydrochloride counterion is present to form the corresponding salt. The molecule retains the amino functional group and the allyl ether substituent on the aromatic ring, providing an O-allyl handle for subsequent functional transformations while the ester form modulates carboxyl reactivity during synthesis and handling. It is used in peptide and amino acid derivative preparation as a substrate or building block where side-chain phenol protection and esterification support controlled chemoselectivity, as well as in chemical biology and labeling workflows requiring a tyrosine framework bearing an orthogonally modifiable O-allyl group.
CAT No: CP02139
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