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Type: Artigo de periódico
Title: Ethyl (2z)-3-oxo-2-(3,4,5-trimethoxybenzylidene)butanoate
Author: Zukerman-Schpector J.
Hino C.L.
Moran P.J.S.
Paula B.R.S.D.
Ng S.W.
Tiekink E.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 methoxy 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] interactions. © 2013 Zukerman-Schpector et al.
Rights: aberto
Identifier DOI: 10.1107/S1600536813023374
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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