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Bis(4,6-diamino-pyrimidin-2-yl) disulfide dimethyl sufoxide disolvate.

ABSTRACT: The title compound, C(8)H(10)N(8)S(2)·2C(2)H(6)SO, was obtained unintentionally during an attempt to prepare a thiol-ate derivative of trimethyl-tin. The complete disulfide mol-ecule is generated by twofold rotation symmetry and the C-S-S-C torsion angle around the S-S bond is -85.70?(10)°. The mol-ecules are connected via N-H?N hydrogen bonds into strongly corrugated layers parallel to (001), generating an R(2) (2)(8) motif. The solvent mol-ecule, which exhibits minor disorder of its S atom [site occupancies = 0.9591?(18) and 0.0409?(18)], is linked to this layer via a pair of N-H?O inter-actions.

SUBMITTER: Papastavrou E 

PROVIDER: S-EPMC2960530 | biostudies-literature | 2008 Aug

REPOSITORIES: biostudies-literature

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Bis(4,6-diamino-pyrimidin-2-yl) disulfide dimethyl sufoxide disolvate.

Papastavrou Ephthymia E   Shakhatreh Saleh S   Akrivos Pericles D PD   Gdaniec Maria M  

Acta crystallographica. Section E, Structure reports online 20080809 Pt 9

The title compound, C(8)H(10)N(8)S(2)·2C(2)H(6)SO, was obtained unintentionally during an attempt to prepare a thiol-ate derivative of trimethyl-tin. The complete disulfide mol-ecule is generated by twofold rotation symmetry and the C-S-S-C torsion angle around the S-S bond is -85.70 (10)°. The mol-ecules are connected via N-H⋯N hydrogen bonds into strongly corrugated layers parallel to (001), generating an R(2) (2)(8) motif. The solvent mol-ecule, which exhibits minor disorder of its S atom [si  ...[more]

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