Izumiya, N Asymmetric hydrogenation of alpha, beta-dehydroamino acid residue in cyclic dipeptides. [electronic resource] - Journal of the American Chemical Society Dec 1977 - 8346-8 p. digital Publication Type: Letter ISSN: 0002-7863 Standard No.: 10.1021/ja00467a051 doi Subjects--Topical Terms: Amino AcidsDipeptidesHydrogenationPeptides, Cyclic