Amino acid derivatives are formed by reacting a tricyclic diketopiperazine with a nucleophillic compound. In a preferred embodiment, pyroglutamic diketopiperazine is reacted with an amine or an alcohol which opens the six member ring.
                            氨基酸衍
生物是通过将
三环二酮肽与亲核化合物反应形成的。在一种优选实施例中,丙
氨酸二酮肽与胺或醇反应,打开了六元环。