Abstract
The structures of β-piperidinopropioamidoxime monochloroacetate and O-benzoyl- and O-para-toluyl-β-piperidinopropioamidoxime hydrochlorides have been determined. The geometry of these compounds is analyzed. The N-O bond is in the syn-planar position in β-piperidinopropioamidoxime monochloroacetate, but adopts an anti-orientation relative to the C(2)-C(3) bond of the propioamidoxime fragment in the other two compounds. In β-piperidinopropioamidoxime monochloroacetate crystals, the cation-anion pairs are joined by intermolecular hydrogen bonds into chains; the latter are linked by van der Waals contacts. The crystals of the O-benzoyl- and O-para-toluyl-β-piperidinopropioamidoxime hydrochlorides are characterized by the same system of hydrogen bonds; the cations and anions are linked by hydrogen bonds into layers, and the latter make van der Waals contacts in the structure.
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Original Russian Text Copyright © 2004 by K. M. Beketov, J. T. Welch, P. Toskano, L. A. Kayukova, A. L. Akhelova, and K. D. Praliev
Translated from Zhurnal Strukturnoi Khimii, Vol. 45, No. 3, pp. 535–543, May–June 2004.
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Beketov, K.M., Welch, J.T., Toskano, P. et al. Crystal and molecular structure of β-piperidinopropioamidoxime monochloroacetate and hydrochlorides of its O-benzoylation products. J Struct Chem 45, 509–517 (2004). https://doi.org/10.1007/s10947-005-0021-x
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DOI: https://doi.org/10.1007/s10947-005-0021-x