The crystal structure of 5,6-dichloro-2-(quinolin-8-yl)isoindoline-1,3-dione, C17H8Cl2N2O2

C17H8Cl2N2O2, triclinic, P 1 ‾ $\overline{1}$ (no. 2), a = 7.9032(2) Å, b = 9.0843(3) Å, c = 10.8051(2) Å, α = 85.2310(10)°, β = 85.0270(10)°, γ = 71.013(2)°, V = 729.54(3) Å3, Z = 2, Rgt (F) = 0.0417, wRref (F 2) = 0.1051, T = 293(2) K.

The crystal structure of 5-chloro-2-(quinolin-8-yl)isoindoline-1,3-dione, C17H9ClN2O2

C17H9ClN2O2, triclinic, P 1 ‾ $P‾{1}$ (no. 2), a = 7.8944(4) Å, b = 8.0678(5) Å, c = 12.6285(9) Å, α = 74.627(6)°, β = 78.654(5)°, γ = 63.569(5)°, V = 691.58(8) Å3, Z = 2, R gt (F) = 0.0431, wR ref (F 2) = 0.1309, T = 293(2) K.

The crystal structure of 4-chloro-2-(quinolin-8-yl)isoindoline-1,3-dione, C17H9ClN2O2

C17H9ClN2O2, monoclinic, P21/c (no. 14), a = 13.6888(4) Å, b = 8.3775(2) Å, c = 12.9180(3) Å, β = 110.515(3)°, V = 1387.46(7) Å3, Z = 4, R gt (F) = 0.0420, wR ref (F 2) = 0.1224, T = 293(2) K.

Synthesis and characterisation of fluorescent aminophosphines and their coordination to gold(i)

Three novel fluorescent aminophosphine ligands have been synthesised that incorporate napthyl (L1), pyrenyl (L2) and anthraquinone (L3) chromophores into their structures. The ligands react with [AuCl(tht)] (tht = tetrahydrothiophene) to give neutral complexes of the form [AuCl(L1-3)]. Solid state, X-ray crystallographic data was obtained for the anthraquinone derivative, [AuCl(L3)], and showed a distorted linear coordination geometry at Au(i). The packing structure also revealed a number of intermolecular π-π interactions that involve the anthraquinone and phenyl units of the aminophosphine ligand. 31P NMR spectroscopic data revealed δP values of +42.2 (L1), +42.1 (L2) and +26.1 (L3) ppm, which shifted downfield upon coordination to Au(i) to +64.6, +64.7, and +55.8 ppm, respectively. Supporting TD-DFT studies were able to reproduce the structure and 31P NMR chemical shifts of [AuCl(L3)] as well as rationalise the HOMO-LUMO compositions. Photophysical studies showed that the appended fluorophore dominates the absorption and emission properties for the ligands and complexes, with the anthraquinone derivatives showing visible emission at ca. 570 nm which was attributed to the intramolecular charge transfer character of the phosphinoaminoanthraquinone fragment.

Synthesis, characterization and cellular location of cytotoxic constitutional organometallic isomers of rhenium delivered on a cyanocobalmin scaffold

Constitutional isomers based on vitamin B₁₂ and a fluorescent rhenium diimine complex were prepared, characterized, tested against PC-3 prostate cancer cells and investigated via IR spectromicroscopy for cellular uptake by live 3T3 fibroblasts.