Electric Literature of 161265-03-8, An article , which mentions 161265-03-8, molecular formula is C39H32OP2. The compound – (9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(diphenylphosphine) played an important role in people’s production and life.
Synthesis of Adipic Aldehyde by n-Selective Hydroformylation of 4-Pentenal
Several phosphine and phosphite ligands were tested in the hydroformylation of 4-pentenal to adipic aldehyde, a versatile starting material for industrially very relevant compounds. By varying the ligand structure we were able to increase the selectivity toward adipic aldehyde to >95%. Additionally, two molecular structures of important catalytic intermediates [(bisphosphite)RhH(CO)2] and one structure of a previously unknown catalyst decomposition product were obtained. (Chemical Equation Presented).
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Reference：
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate