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Type: Artigo de periódico
Title: Ethyl (2z)-3-oxo-2-(3,4,5-tri-meth-oxy-benzyl-idene)butano-ate.
Author: Zukerman-Schpector, Julio
Hino, Camila Lury
Moran, Paulo J S
de Paula, Bruno R S
Ng, Seik Weng
Tiekink, Edward R T
Abstract: In the title compound, C16H20O6, the conformation about the C=C double bond [1.344 (2) Å] is Z. With respect to this bond, the ketone is almost coplanar [C-C-C-O torsion angle = -179.60 (10)°] and the ester is almost perpendicular [C-C-C-O = 78.42 (13)°]. The meth-oxy substituents of the central benzene ring are either almost coplanar [C-C-O-C = 3.54 (15) and 177.70 (9)°] or perpendicular [C-C-O-C = 80.08 12)° for the central substituent]. In the crystal, the three-dimensional architecture features C-H⋯O and π-π [inter-centroid distance = 3.6283 (6) Å] inter-actions.
Rights: aberto
Identifier DOI: 10.1107/S1600536813023374
Date Issue: 2013
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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