Formula: C9H16O2. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 2,6-Dimethyl-3,5-heptanedione, is researched, Molecular C9H16O2, CAS is 18362-64-6, about Highly efficient enantio-differentiating hydrogenation catalyst prepared from ultrasonicated Raney nickel by asymmetric modification. Author is Tai, A.; Kikukawa, T.; Sugimura, T.; Inoue, Y.; Abe, S.; Osawa, T.; Harada, T..
Irradiation of ultrasound on Raney nickel catalyst in water and removing the resulting turbid supernatant from the rest gave excellent nickel (RNi-U) for asym. modified nickel catalyst. SEM-XMA studies clarified that the treatment of RNi by ultrasound effectively smashed off the aluminum enriched particle from the catalyst. The tartaric acid-NaBr-modified RNi-U(TA-NaBr-MRNi-U) showed high enantio-differentiating ability as well as catalytic activity in the hydrogenation of β-diketones and β-keto esters.
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Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica