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. 2011 Jan 22;67(Pt 2):o444.
doi: 10.1107/S1600536810054127.

(Z)-4-{1-[(2-Hy-droxy-ethyl)-amino]-ethyl-idene}-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one

R Jayarajan, P Sharmila, G Jagadeesan, G Vasuki, S Aravindhan

(Z)-4-{1-[(2-Hy-droxy-ethyl)-amino]-ethyl-idene}-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one

R Jayarajan et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

In the title compound C(14)H(17)N(3)O(2), the dihedral angle between the rings is 16.68 (13)°. Although the compound crystallizes in the keto form, the possibility of keto-enamine-enol-imine tautomerism is explained by a strong intra-molecular N-H⋯O hydrogen bond.

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Figures

Fig. 1.
Fig. 1.
The ORTEP diagram of molecule H-atoms are involved in hydrogen bonding are shown as Dashed lines.
Fig. 2.
Fig. 2.
Crystal Packing Diagram.
See this image and copyright information in PMC

References

    1. Chohan, Z. H., Jaffery, M. F. & Supuran, C. T. (2001). Met. Based Drugs. 8, 95–101. - PMC - PubMed
    1. Chohan, Z. H. & Kausar, S. (2000). Met. Based Drugs, 7, 17–22. - PMC - PubMed
    1. Chohan, Z. H., Munawar, A. & Supuran, C. T. (2001). Met. Based Drugs. 8, 137–143. - PMC - PubMed
    1. Chohan, Z. H., Rauf, A. & Supuran, C. T. (2002). Met. Based Drugs. 8, 287–291. - PMC - PubMed
    1. Farrugia, L. J. (1997). J. Appl. Cryst. 30, 565.