Crystal structures of 2-[(4,6-di-amino-pyrimidin-2-yl)sulfan-yl]- N -(2,4-di-methyl-phen-yl)acetamide and 2-[(4,6-di-amino-pyrimidin-2-yl)sulfan-yl]- N -(3-meth-oxy-phen-yl)acetamide

In the title compounds, C H N OS (I) and C H N O S (II), the dihedral angle between the pyrimidine and benzene rings is 58.64 (8)° in (I) and 78.33 (9)° in (II). In both compounds, there is an intra-molecular C-H⋯O hydrogen bond, and in (II) there is also an intra-molecular N-H⋯N hydrogen bond prese...

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Veröffentlicht in:Acta crystallographica. Section E, Crystallographic communications Crystallographic communications, 2017-07, Vol.73 (Pt 7), p.996-1000
Hauptverfasser: Choudhury, Manisha, Viswanathan, Vijayan, Timiri, Ajay Kumar, Sinha, Barij Nayan, Jayaprakash, Venkatesan, Velmurugan, Devadasan
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Sprache:eng
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Zusammenfassung:In the title compounds, C H N OS (I) and C H N O S (II), the dihedral angle between the pyrimidine and benzene rings is 58.64 (8)° in (I) and 78.33 (9)° in (II). In both compounds, there is an intra-molecular C-H⋯O hydrogen bond, and in (II) there is also an intra-molecular N-H⋯N hydrogen bond present. In the crystals of both compounds, a pair of N-H⋯N hydrogen bonds links the individual mol-ecules to form inversion dimers with (8) ring motifs. In (I), the dimers are linked by N-H⋯O and C-H⋯O hydrogen bonds, enclosing (14), (11) and (7) ring motifs, forming layers parallel to the (100) plane. There is also an N-H⋯π inter-action present within the layer. In (II), the inversion dimers are linked by N-H⋯O hydrogen bonds enclosing an (18) ring motif. The presence of N-H⋯O and C-H⋯O hydrogen bonds generate an (6) ring motif. The combination of these various hydrogen bonds results in the formation of layers parallel to the (1-11) plane.
ISSN:2056-9890
2056-9890
DOI:10.1107/S2056989017008143