- Synthesis and Characterisation of a New Sulphate Derivative of Hydrazine, N2H5HSO4
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Hydrazinium(1+) hidrogensulphate, N2H5HSO4, has been prepared for the first time by the reaction of solid ammonium hydrogensulphate with hydrazine monohydrate.The compound has been characterized by chemical analysis, infrared spectra, and X-ray powder diffraction.Thermal properties of N2H5HSO4 have been investigated using differential thermal analysis and thermogravimetric analysis and compared with those of N2H6SO4 and (N2H5)2SO4.
- Patil, Kashinath C.,Vittal, Jagadese P.
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p. 2291 - 2294
(2007/10/02)
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- Process for producing ketazine by reacting a ketone with ammonia and a peroxide
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Ketazines having the general formula (I) STR1 wherein R1 represents alkyl group having 1 to 4 carbon atoms and R2 represents (i) an alkyl group having 1 to 4 carbon atoms or (ii) a phenyl group optionally substituted with an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms or a halogen group, and R1 and R2 together with the carbon atom to which they are both bonded may form a ring, are advantageously manufactured by reacting an aliphatic or aromatic ketone having the formula (II) STR2 wherein R1 and R2 are as defined above, with ammonia and a peroxide compound or compounds in the presence of amorphous silica or palladium compounds, as a catalyst, at a temperature of from 0° to 120° C., in a liquid phase.
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