Formation of H-bonded ionic associates in reactions of 5-nitrosalicylaldehyde with secondary amines |
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| Authors: | L Yu Ukhin Zh I Orlova S V Lindeman V N Khrustalev Yu T Struchkov |
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| Institution: | (1) Institute of Physical and Organic Chemistry at Rostov State University, 194/3 prosp. Stachki, 334771 Rostov-on-Don, Russian Federation;(2) A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul. Vavilova, 117813 Moscow, Russian Federation |
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| Abstract: | 5-Nitrosalicylaldehyde reacts with highly basic secondary aliphatic amines to form molecular complexes of 1  1 composition. The complexes with piperidine, diethylamine, dipentylamine, and dibenzylamine (1–4, respectively) have been obtained in the crystalline state and characterized. The X-ray diffraction structural analysis of complex1 demonstrated that it exists in a crystal as an H-bonded dimeric ionic associate C5H12N+ · C7H4NO
4
–
]2 formed as a result of the transfer of the phenyl proton of the aldehyde to the piperidine N atom. According to the results of IR spectroscopy, the other complexes obtained have similar structures.Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 5, pp. 940–943, May, 1995. |
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| Keywords: | 5-nitrosalicylaldehyde secondary amines aminals H-bonded ionic associates X-ray structural analysis |
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