Are there alternatives to (3S)-3-Aminohexanedioic acid hydrochloride (1:1) (CAS: 61884-74-0) in synthesis?

There are a few alternatives to (3S)-3-Aminohexanedioic acid hydrochloride (1:1) (CAS: 61884-74-0) in synthesis, including (3R)-3-aminohexanedioic acid hydrochloride and other dicarboxylic acids. These alternatives can be used as substitutes depending on the specific requirements of the reaction, such as solubility, reactivity, and yield. For instance, other amino acids or their derivatives can be employed as building blocks for similar applications.