Novel thiol- and thioether-containing amino acids: cystathionine and homocysteine families
                                
                                    
                                        作者:Luigi Longobardo、Nunzia Cecere、Marina DellaGreca、Ivan de Paola                                    
                                    
                                        DOI:10.1007/s00726-012-1352-5
                                    
                                    
                                        日期:2013.2
                                    
                                    Natural l-homocysteine and l,l-cystathionine, along with a series of unnatural analogues, have been prepared from l-aspartic and l-glutamic acid. Manipulation of the protected derivatives provided omega-iodoamino acids, which were used in thioalkylation reactions of sulfur nucleophiles, such as the ester of l-cysteine and potassium thioacetate.