tert ‐Butyl 1,4‐dioxo‐3,6‐diphenyl‐1,2,4,5‐tetrahydropyrrolo[3,4‐ c ]pyrrole‐2‐carboxylate | Zendy

Imura Yasuo | Zendy; Senju Takatoshi | Zendy; Mizuguchi Jin | Zendy

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tert ‐Butyl 1,4‐dioxo‐3,6‐diphenyl‐1,2,4,5‐tetrahydropyrrolo[3,4‐ c ]pyrrole‐2‐carboxylate

Author(s) -

Imura Yasuo,

Senju Takatoshi,

Mizuguchi Jin

Publication year - 2005

Publication title -

acta crystallographica section e

Language(s) - English

Resource type - Journals

ISSN - 1600-5368

DOI - 10.1107/s1600536805005829

Subject(s) - pyrrole , chemistry , hydrogen bond , ring (chemistry) , intermolecular force , carboxylate , crystal structure , medicinal chemistry , stereochemistry , crystallography , molecule , organic chemistry

The title compound, C 23 H 20 N 2 O 4 , is a soluble precursor (`latent pigment') of diketopyrrolopyrrole pigments. The tert ‐butoxycarbonyl group is twisted by 78.5 (1)° with respect to the heterocyclic ring system. In the crystal structure, pairs of molecules form centrosymmetric dimers through N—H·O intermolecular hydrogen bonds and are stacked in a herring‐bone fashion along the a axis.

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