Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 4 (April 2013)

organic compounds

Acta Cryst. (2013). E69, o518-o519    [ doi:10.1107/S1600536813006296 ]

2-(4-Bromo­anilino)-6-(4-chloro­phen­yl)-5-meth­oxy­carbonyl-4-methyl-3,6-dihydro­pyrimidin-1-ium chloride

K. N. Venugopala, S. K. Nayak and B. Odhav

Abstract: In the title molecular salt, C19H18BrClN3O2+·Cl-, the dihedral angles between the pyrimidine ring and the chlorobenzene and bromobenzene rings are 72.4 (2) and 45.5 (2)°, respectively. The dihedral angle between the chlorobenzene and bromobenzene rings is 27.5 (2)°. The conformation of the mol­ecule is stabilized by an intra­molecular C-H...O inter­action. In the crystal, the anion and cation are linked by an N-H...Cl hydrogen bond. Pairs of weak C-H...O and C-H...Cl hydrogen bonds form inversion dimers. Further N-H...Cl hydrogen bonds form R21(6) motifs and link the dimers into chains along [101]. Br...Cl short contacts [3.482 (2) Å] inter­link the hydrogen-bonded chains along the b-axis direction.

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