Related Products of 19845-69-3. Let’s face it, organic chemistry can seem difficult to learn. Especially from a beginner’s point of view. Like 19845-69-3, Name is 1,6-Bis(diphenylphosphino)hexane. In a document type is Article, introducing its new discovery.
Hexaplatinum cluster complexes have been prepared by reduction of [PtCl2(SMe2)2] with NaBH4 in the presence of CO and the diphosphine ligands Ph2P(CH2)nPPh2, n = 2 (dppe), 3 (dppp), 4 (dppb), 5 (dpppe), and 6 (dpph). The products are the closed cluster [Pt6(mu-CO)6-(mu-dppe)3], 2b, and the open cluster [Pt6(mu-CO)6(mu-dppp)2(dppp)2], 9, but the reactions failed to give isolable products when n = 4-6. Cluster 9 can encapsulate mercury(0) or thallium(I) with loss of dppp to give the closed clusters [Pt6(mu6-Hg)(mu-CO)6(mu-dppp) 3], 10a, or [Pt6(mu6-Tl)(mu-CO)6(mu-dppp) 3]+, 11a, respectively. The Pt6(mu-CO)6(mu-dppp)3 unit acts as a cryptand and evidence is presented that the cluster 10a must open to allow reaction with thallium(I) to give 11a. Reduction of [PtCl2(SMe2)2] with NaBH4 in the presence of CO, the diphosphine ligands Ph2P(CH2)nPPh2, and mercury can give [Pt6(mu6-Hg)(mu-CO)6{mu-Ph 2P(CH2)nPPh2}3], 10a-d, n = 3-6, respectively, directly, but clusters [Pt6(mu6-Hg)(mu-CO)6(CO) 2{mu-Ph2P(CH2)n-PPh 2}2], 12, are also formed in some cases. Cluster 2b reacts with [Ph3PAu]+ to give [Pt6(mu-CO)6(mu-dppe)3(mu 3-AuPPh3)2]2+.
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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