Reference of 161265-03-8, Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 161265-03-8, Name is (9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(diphenylphosphine), molecular formula is C39H32OP2. In a Patent，once mentioned of 161265-03-8
The invention relates to a medicine intermediate two thiophene substituted nitrogen-containing fused ring compound synthesis method, the method comprises in the solvent, the catalyst, in the presence of phosphine and alkali, so that the adjacent ammonia methyl acetic acid compound with the halogenated thiophene compounds obtained by reacting said two thiophene substituted nitrogen-containing fused ring compound. The method obtained product has good yield and purity, is the compound of the novel synthesis method. (by machine translation)
The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 161265-03-8 is helpful to your research., Reference of 161265-03-8
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