title: Diethyl 2-amino-5-[(E)-(1-methyl-1H-pyrrol-2-yl)methylideneamino]thiophene-3,4-dicarboxylate.
abstract: The structure of the title compound, C(16)H(19)N(3)O(4)S, shows the planes described by the thio-phene and the pyrroles are twisted by 17.06 (4)°. Additionally, the structure shows the azomethine bond adopts the E configuration, while the pyrrole is disordered as a heterocycle flip [occupancy ratio 0.729 (5):0.271 (5)]. The three-dimensional network is well packed and involves N-H⋯O hydrogen bonding and π-π stacking [centroid-centroid distance = 4.294 (8) Å].
authors: Department of Chemistry, University of Montreal, CP 6128, Succ. Centre-ville, Montréal, Québec, H3C 3J7, Canada.
authors: Stéphane
authors: S
authors: Dufresne
authors: W G
authors: WG
authors: Skene
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