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GLOSSARY & ABBREVIATIONS

DCHA

Dicyclohexylammonium salt

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Dicyclohexylamine. The amino acid derivative is offered as the salt formed with dicyclohexylamine, a sterically hindered secondary amine. Salts crystallize more readily than the free acid or they have to be generated as to obtain a shelf-stable product. Dicyclohexylammonium salts are soluble in many organic solvents which facilitates liberation of the acid in a separate step or in situ.

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