Acta Crystallographica Section C

Crystal Structure Communications

Volume 63, Part 11 (November 2007)

organic compounds

sk3170 scheme

Acta Cryst. (2007). C63, o681-o684 [ doi:10.1107/S0108270107048809 ]

A three-dimensional hydrogen-bonded framework in 2-amino-4,6-bis[N-methyl-N-(4-methylphenyl)amino]pyrimidine-5-carbaldehyde and hydrogen-bonded sheets in 2-amino-4-(indolin-1-yl)-6-methoxypyrimidine-5-carbaldehyde

J. N. Low, J. Trilleras, J. Cobo, A. Marchal and C. Glidewell

Abstract: The molecules of 2-amino-4,6-bis[N-methyl-N-(4-methylphenyl)amino]pyrimidine-5-carbaldehyde, C₂₁H₂₃N₅O, (I), and 2-amino-4-(indolin-1-yl)-6-methoxypyrimidine-5-carbaldehyde, C₁₄H₁₄N₄O₂, (II), which crystallizes with Z' = 2 in the space group P $\overline{1}$ , exhibit polarized electronic structures. Molecules of (I) are linked by a combination of N-HO, C-HO and C-H [pi] (arene) hydrogen bonds into a three-dimensional framework structure, while those of (II) are linked into sheets by a combination of two N-HO hydrogen bonds and one N-H [pi] (arene) hydrogen bond.

Formula: C₂₁H₂₃N₅O and C₁₄H₁₄N₄O₂


	Structure factor file (CIF format) (208.2 kbytes) [ doi:10.1107/S0108270107048809/sk3170Isup2.hkl ] Contains datablock I

	Structure factor file (CIF format) (287.1 kbytes) [ doi:10.1107/S0108270107048809/sk3170IIsup3.hkl ] Contains datablock II

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