Application of 12150-46-8. Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 12150-46-8, Name is 1,1-Bis(diphenylphosphino)ferrocene
A series of ruthenium(II) complexes [RuH(CO)(NCCH3)(PPh3)2(diphos)][BF4] (diphos: = dppm, Ph2PCH2PPh2 (2); dppe = Ph2PCH2CH2PPh2 (3); = dppp, Ph2PCH2 CH2CH2PPh2 (4); = dppb, Ph2PCH2CH2CH2CH2PPh 2 (5)) and [RuH(CO)(NCCH3) (PPh3)(diphos)][BF4] (diphos: = dppe (6); = dppp (7); = dppb (8); = dppf, Fe(eta5-C5H4PPh2)2 (9)) was prepared from the reaction of [RuH(CO)(NCCH3)2(PPh3)2] [BF4] and diphos ligands by changing the reaction conditions. These complexes have been characterized by analytical and spectroscopic (IR and 1H NMR) methods. The structure of [RuH(CO)(NCCH3)(PPh3)(dppf)][BF4] (9) has been determined by X-ray crystallography. The homogeneous hydrogenations of propanal to propan-1-ol catalyzed by complexes 2-9 have been investigated at 90C and 20 atm hydrogen pressure. The catalytic activities of the chelating diphosphine species 6-9 were dependent upon the structure of the complex as well as upon the ring sizes of the chelates. Copyright
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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