Computed Properties of C30H21P. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: Tri(naphthalen-1-yl)phosphine, is researched, Molecular C30H21P, CAS is 3411-48-1, about Naphthyne: Osmium and Ruthenium Cluster Derivatives.
Reaction of the 1-naphthyl derivatives E(1-C10H7)3 (E = P, As) with M3(CO)12 (M = Ru, Os) affords naphthyne complexes M3(CO)8(μ-H)2[μ3-η4-(C10H7)2E(C10H5)] (shown as I; M = Os, Ru; E = As, P; R = 1-naphthyl 5-8) in moderate to good yield, via double metalation of the unsubstituted aromatic ring. Metalation of the substituted aromatic ring results in one complex, Os3(CO)9(μ-H)[(C10H7)2P(C10H6)]. Cleavage of an As-naphthyl bond affords a low yield of the naphthyne complex Ru4(CO)10(μ-CO)[μ4-As(C10H7)][μ4-C10H6] (11), in which the aryne ring is at an angle of 75° to the Ru4 plane and acts as a four-electron donor, making 11 formally electron deficient. Crystals of 5 are monoclinic, with a 25.746(1), b 9.688(2), c 33.521(1) Å, β 108.647(3)°, Z = 8, and space group C2/c. Those of 11 are triclinic, with a 11.433(3), b 14.746(2), c 9.958(1) Å, α 96.81(1), β 102.34(2), γ 78.69(2)°, Z = 2, space group P1̅. The structures were solved by the Patterson method and were refined by full-matrix least-squares procedures to R = 0.033 and 0.030 (Rw = 0.031 and 0.028) for 5308 and 4933 reflections with I ≥ 3σ(I), resp.
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Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis