Synthetic Route of 12150-46-8, Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 12150-46-8, Name is 1,1-Bis(diphenylphosphino)ferrocene, molecular formula is C34H28FeP2. In a Article，once mentioned of 12150-46-8
Novel types of tetra-, hexa-. octa-. and dodecanuclear silver clusters containing (2,7-Di-tert-butylfluoren-9-ylidene) methanedithiolate
The reaction of AgCIO4 with piperidinium 2,7-di-tert-butyl-9H- fluorene-9-carbodithioate (pipH)[S2C(t-Bu-Hfy)] (1) (t-Bu-Hfy = 2,7-di-tert-butylfluoren-9-yl) afforded [Agn{S2C(t-Bu-Hfy) }n] (2), which reacted with phosphines to give [Ag{S 2C(t-Bu-Hfy)}L2] [L = PPh3 (3a); L2 = bis(diphenylphosphino)ethane (dppe, 3b), 1,1?-bis(diphenylphosphino)- ferrocene (dppf, 3c). By reacting complex 2 with AgCIO4 and piperidine in a 1:1:1 molar ratio, the dodecanuclear cluster [Ag 12{S2C=(t-Bu-fy)}6] (4) (t-Bu-fy = 2,7-di-tert-butylfluoren-9-ylidene) was obtained. Compound 4 can also be directly prepared from the reaction of 1 with AgCIO4 and piperidine in a 1:2:1 molar ratio. The reactions of 1 with AgCIO4, phosphines, and piperidine afforded the compounds [Ag6{S2C=(t-Bu-fy)} 3L5] [1:2:2:1 molar ratio; L = PPh3 (5a), P(p-To)3 (5b)], [Ag4{S2C=(t-Bu-fy)} 2(dppf)2] (6) (1:2:1:1 molar ratio), [Ag n{S2C=(t-Bu-fy)}n/2{P(i-Pr)3} n] (7) (1:2:2:1 molar ratio), or [Ag8{S 2C=(t-Bu-fy)}4{P(i-Pr)3}4] (8) (1:2:1:1 molar ratio). Complexes 5a, b, 6, 7, and 8 can be also obtained by reacting 4 with the corresponding phosphine in the appropriate molar ratio. The crystal structures of 4, 5b, and 8 have been determined by X-ray diffraction studies. The nuclearity of complex 6 was established from its 31P{1H} NMR data, which reveal a very fast dynamic process leading to an average coupling of each of the P atoms of the dppf ligands with four Ag atoms.
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 12150-46-8 is helpful to your research., Synthetic Route of 12150-46-8
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