Extracurricular laboratory:new discovery of 33100-27-5

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Related Products of 33100-27-5. Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 33100-27-5, Name is 1,4,7,10,13-Pentaoxacyclopentadecane

The [TaCl2*C8H16O5][TaCl6], [H2Cl*(15-crown-5)2][TaCl6], [H2Cl*CH3CN*(15-crown-5)][TaCl6], and [H3O*(18-crown-6)][TaCl6] ionic complexes were prepared by reacting anhydrous TaCl5 with 15-crown-5 in dry acetonitrile.The formation of these complexes is associated with the reactions of opening and cleavage of a macrocycle under the action of a strong Lewis acid (tantalum pentachloride) or the products of its reactions with the fragments of a crown ether molecule. These reactions led to the emergence in the system of a great quantity of water, hydrogen chloride (due to hydrolysis), and non-identified organic compounds. Upon the introduction of a fourth component into the system, ie., a tertiary amine or a quaternary ammonium salt, the [(C2H5)3NH*(15-crown-5)][TaCl6] and [NMe4*TaOCl4]3*CH3CN complexes were obtained. The formation of these complexes confirms the presence of hydrolysis in solution. All the obtained compounds were studied by X-ray crystallography and IR spectroscopy.

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Reference:
Chiral Catalysts,
Chiral catalysts – SlideShare