A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 161265-03-8, Name is (9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(diphenylphosphine), molecular formula is C39H32OP2. In a Article，once mentioned of 161265-03-8, name: (9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(diphenylphosphine)
The enantioselective Pd-catalyzed allylation of diaryl-substituted allylic carbonates and diphenylphosphine oxide was investigated. This method gave allylic diphenylphosphine oxides in yields up to 95 % with 97 % ee. Pd-catalyzed allylation of (E)-methyl allyl carbonates with diisopropyl phosphonate was also examined. The Pd-catalyzed asymmetric allylation of diphenylphosphine oxide to form P-allylated products in yields up to 95 % with 97 % ee is described. Pd-catalyzed allylation of (E)-methyl allyl carbonates with diisopropyl phosphonate is accomplished, which regioselectively gives linear P-allylated products in 65-95 % yields; BINAP = 2,2?-bis(diphenylphosphino)-1,1?-binaphthyl.
Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data.category: chiral-phosphine-ligands, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 161265-03-8, in my other articles.
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