Synthetic Route of C38H34N2O4P2. 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: (R)-2,2′,6,6′-Tetramethoxy-4,4′-bis(diphenylphosphino)-3,3′-bipyridine, is researched, Molecular C38H34N2O4P2, CAS is 221012-82-4, about A chiral [(dipyridylphosphine)RuCl2(1,3-diphenylpropanediamine)] catalyst for the hydrogenation of aromatic ketones. Author is Grasa, Gabriela A.; Zanotti-Gerosa, Antonio; Hems, William P..
The use of chiral (+)-(S,S)-1,3-Diphenyl-1,3-propanediamine in combination with Ru-Xyl-P-Phos, gave up to 95% ee in the hydrogenation of acetophenone. Thus, [(3R)-4,4′-bis[bis(3,5-dimethylphenyl)phosphine]-2,2′,6,6′-tetramethoxy-3,3′-bipyridine]dichloro[(1S,3S)-1,3-diphenyl-1,3-propanediamine]ruthenium was prepared and its catalytic activity and selectivity were compared with its corresponding stereoisomers.
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Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider