Hydrochloride salts of S-(N-methylcarbamoyl), S-(N-ethylcarbamoyl), and S-(Nfl- dimethylcarbamoyl) derivatives of cysteine, N-acetylcysteine, and cysteinylglycine have been prepared. S-(N-Methylcarbamoy1) glutathione hydrochloride has also been synthesized. Protecting groups for amino and carboxylic acid functions were selected for their ability to solubilize the peptides in dichloromethane in which solvent the thiols were ...
[Ibrahim, Tarek S.; Tala, Srinivasa R.; El-Feky, Said A.; Abdel-Samii, Zakaria K.; Katritzky, Alan R. Chemical Biology and Drug Design, 2012 , vol. 80, # 2 p. 194 - 202]