Henderson, W., Okpareke, O. C., Azizan, A. H. S., & Tiekink, E. R. T. (2019). [Dicyclohexyl(sulfanylidene)-λ⁵-phosphanyl]methanol. Molbank, 2019(3), M1069–M1069. https://doi.org/10.3390/m1069
Abstract
The title compound, [dicyclohexyl(sulfanylidene)-λ⁵-phosphanyl]methanol, Cy₂P(=S)CH₂OH (1), was obtained from the reaction between [Cy₂P(CH₂OH)₂]Cl with one molar equivalent of NaOH and an excess of elemental sulfur (powdered). Characterization was by a single-crystal X-ray structure determination as well as IR, and ¹D-NMR (¹H, ¹³C{1H}, ³¹P{1H}), and 2D-NMR (DEPT-135 and HSQC) spectroscopy, ESI mass spectrometry, and elemental analysis. X-ray crystallography on Compound 1 shows the phosphorus atom to be tetrahedrally coordinated within a non-symmetric C₃S donor set but with relatively minor distortions from the ideal geometry. In the molecular packing, hydroxyl-O–H⋯S(thione) hydrogen bonds led to supramolecular helical chains along the b-axis direction.
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