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(E)-4-[(1-Benzyl-4-benzyl-idene-2,5-di-oxopyrrolidin-3-yl)meth-yl]benzalde-hyde 0.25-hydrate.


ABSTRACT: The crystal structure of the title compound, C(26)H(21)NO(3)·0.25H(2)O, reveals one stereogenic centre in the mol-ecule. Nevertheless, due to the observed centrosymmetric space group, both enanti-omers are present in the crystal packing. The water molecule of crystallisation is located on a crystallographic inversion center. The mol-ecule contains one five-membered ring (A) and three six-membered rings (benzyl ring B, benzyl-idene ring C and formyl-benzyl ring D). All four rings are not coplanar: the dihedral angles between rings A and B, A and C, and A and D are 70.35?(9), 33.8?(1) and 60.30?(9)°, respectively. In the crystal, pairs of weak C-H?O inter-actions lead to the formation of centrosymmetric dimers. Additional C-H?O inter-actions link the dimers into chains along [011].

SUBMITTER: Yu T 

PROVIDER: S-EPMC3344122 | biostudies-literature | 2012 Apr

REPOSITORIES: biostudies-literature

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(E)-4-[(1-Benzyl-4-benzyl-idene-2,5-di-oxopyrrolidin-3-yl)meth-yl]benzalde-hyde 0.25-hydrate.

Yu Tao T   Hu Yimin Y  

Acta crystallographica. Section E, Structure reports online 20120324 Pt 4


The crystal structure of the title compound, C(26)H(21)NO(3)·0.25H(2)O, reveals one stereogenic centre in the mol-ecule. Nevertheless, due to the observed centrosymmetric space group, both enanti-omers are present in the crystal packing. The water molecule of crystallisation is located on a crystallographic inversion center. The mol-ecule contains one five-membered ring (A) and three six-membered rings (benzyl ring B, benzyl-idene ring C and formyl-benzyl ring D). All four rings are not coplanar  ...[more]

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