Duprat de Paule, Sebastien; Jeulin, Severine; Ratovelomanana-Vidal, Virginie; Genet, Jean-Pierre; Champion, Nicolas; Dellis, Philippe published the article 《Synthesis and molecular modeling studies of SYNPHOS, a new, efficient diphosphane ligand for ruthenium-catalyzed asymmetric hydrogenation》. Keywords: phosphine diphosphine atropisomeric ligand Synphos preparation asym hydrogenation; resolution diphosphine ligand asym hydrogenation ketoester ketone unsaturated ester; ruthenium asym hydrogenation Synphos ligand ketoester ketone unsaturated ester; modeling diphosphine ligand ruthenium asym hydrogenation; optimized geometry diphosphine ruthenium palladium complex substrate asym hydrogenation; absolute configuration crystallog Synphos ligand ruthenium asym hydrogenation; crystal structure Synphos chiral diphosphine ruthenium asym hydrogenation catalyst; mol structure Synphos chiral diphosphine ruthenium asym hydrogenation catalyst.They researched the compound: 6-Bromo-2,3-dihydrobenzo[b][1,4]dioxine( cas:52287-51-1 ).Computed Properties of C8H7BrO2. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:52287-51-1) here.
An optically active, atropisomeric diphosphine ligand Synphos was prepared, resolved, characterized, and examined in ruthenium-catalyzed asym. hydrogenation of α- and β-keto esters, functionalized ketones and unsaturated esters. This ligand was compared with other atropisomeric diphosphines (binap and MeO-BIPHEP) with respect to their dihedral angles calculated by mol. modeling and the enantioselectivity of their ruthenium-mediated hydrogenation reactions.
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Reference:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics