3,4-Dehydro-L-proline is used to prepare morpholinyl-4-piperidinylacetic acid derivatives as potent oral active VLA-4 antagonist. It is also a β-Proline analog used as agonists at the strychnine-sensitive glycine receptor.
3,4-Dehydro-L-proline is used as a substrate and inhibitor of various enzymes. 3,4-Dehydro-L-proline may be used to inhibit extensin biosynthesis. 3,4-Dehydro-L-proline is a alternate substrate of the amino acid oxidase, NikD. 3,4-Dehydro-L-proline inhibits collagen secretion by chondorcytes.
