So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Klabunovskii, E. I.; Sokolova, N. P.; Neupokoev, V. I.; Antonova, T. A.; Ternovskii, S. E. researched the compound: H-Leu-NH2.HCl( cas:10466-61-2 ).Name: H-Leu-NH2.HCl.They published the article 《Asymmetric ruthenium catalyst modified by optically active amino acids》 about this compound( cas:10466-61-2 ) in Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya. Keywords: asym hydrogenation acetoacetate; ruthenium amino acid hydrogenation. We’ll tell you more about this compound (cas:10466-61-2).
Asym. hydrogenation of Et acetoacetate was accomplished with Ru or 5% Ru/SiO2 catalysts modified by treatment with optically active amino acids. The highest optical yield was obtained with L-glutamic acid. The variations of the optical yield with the pH and temperature of the solutions in which the catalysts were modified were plotted. The optimal pH was close to the isoelec. point of the amino acid.
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