Nesting inclusion compounds. The X-ray structure of the 15-crown-5 sodium diphenylethyl diphenylmethyl cyanoacetonate complex |
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Authors: | Anthony W Coleman Françoise Villain Alda Navaza Hervé Galons Marcel Miocque |
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Institution: | (1) Laboratoire de Physique, Centre Pharmaceutique, Université Paris-Sud, CNRS, ÉR 180, 92290 Chatenay-Malabry, France;(2) Laboratoire de Chimie Organique, Centre Pharmaceutique, CNRS, SDI 6233 Université Paris-Sud, 92290 Chatenay-Malabry, France |
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Abstract: | The action of sodium cyanide ongem -diphenyl-chloropropanone under phase transfer conditions in the presence of 15-crown-5 yields the title compound as a minor product. The crystal structure of this complex reveals that, in the solid state, the 15-crown-5-Na+] guest species is found within a loose cage of diphenylethyl diphenyl cyanoacetonate molecules with one open side of the cage blocked by an adjacent 15-crown-5 molecule. Colourless crystals of the compound belong to the monoclinic space groupP21/n witha = 12,255(2) Å,b = 13,005(1) Å,c = 23,433(2) Å, = 95,92(1) ° andD
c = 1.23 g cm–3 forZ = 4. |
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Keywords: | Crystal structure crown ether clathrate |
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