The isotopomers of halogenated amino acids (2'-F-L-phenylalanine, 3'-F- and 3'-Cl-L-tyrosine, as well as 5'-F-, 5'-Br-and 6'-F-L-tryptophan) specifically labeled with deuterium at α- and 13-carbon atom of the...The isotopomers of halogenated amino acids (2'-F-L-phenylalanine, 3'-F- and 3'-Cl-L-tyrosine, as well as 5'-F-, 5'-Br-and 6'-F-L-tryptophan) specifically labeled with deuterium at α- and 13-carbon atom of the side chain were synthesized by enzymatic catalyzed H/D exchange in fully deuteriated incubation medium. The extent and site of deuterium incorporation were confirmed by ^1H NMR (proton nuclear magnetic resonance) spectra.展开更多
文摘The isotopomers of halogenated amino acids (2'-F-L-phenylalanine, 3'-F- and 3'-Cl-L-tyrosine, as well as 5'-F-, 5'-Br-and 6'-F-L-tryptophan) specifically labeled with deuterium at α- and 13-carbon atom of the side chain were synthesized by enzymatic catalyzed H/D exchange in fully deuteriated incubation medium. The extent and site of deuterium incorporation were confirmed by ^1H NMR (proton nuclear magnetic resonance) spectra.