Date Published: July 01, 2012
Publisher: International Union of Crystallography
Author(s): Mohammed Iqbal A. Khazi, Nikhath Fathima, Ningaraddi S. Belavagi, Noor Shahina Begum, I. M. Khazi.
http://doi.org/10.1107/S1600536812025184
Abstract
In the title compound, C7H7ClN4O, the pyrazolopyrimidine ring is essentially planar, the r.m.s. deviation of the fitted atoms being 0.0071 Å. The crystal structure features strong N—H⋯O hydrogen bonds and further consolidated by weak C—H⋯O, C—H⋯N and C—H⋯Cl interactions.
Partial Text
For the biological activity of pyrazolopyrimidines, see: Carraro et al. (2006 ▶). For a related structure, see: Dolzhenko et al. (2009 ▶). For the graph-set analysis of hydrogen bonding, see: Bernstein et al. (1995 ▶).
Source:
http://doi.org/10.1107/S1600536812025184