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Ethyl (2E)-2-(2H-1,3-benzodioxol-5-yl-methyl-idene)-4-chloro-3-oxobutano-ate.

ABSTRACT: In the title compound, C(14)H(13)ClO(5), the five-membered ring is in an envelope conformation with the methyl-ene C-atom being the flap. The conformation about the C=C double bond [1.341?(2)?Å] is E. The chloro-propan-2-one residue is approximately orthogonal to the remaining mol-ecule [dihedral angle = 88.03?(6)°]. In the crystal, the mol-ecules associate via C-H?O inter-actions, involving both carbonyl-O atoms, giving rise to an undulating two-dimensional array in the ac plane.

SUBMITTER: Zukerman-Schpector J 

PROVIDER: S-EPMC3089165 | biostudies-literature | 2011 May

REPOSITORIES: biostudies-literature

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Ethyl (2E)-2-(2H-1,3-benzodioxol-5-yl-methyl-idene)-4-chloro-3-oxobutano-ate.

Zukerman-Schpector Julio J   Abd Salim Siti Nadiah SN   Moran Paulo J S PJ   de Paula Bruno R S BR   Rodrigues J Augusto R JA   Tiekink Edward R T ER  

Acta crystallographica. Section E, Structure reports online 20110407 Pt 5

In the title compound, C(14)H(13)ClO(5), the five-membered ring is in an envelope conformation with the methyl-ene C-atom being the flap. The conformation about the C=C double bond [1.341 (2) Å] is E. The chloro-propan-2-one residue is approximately orthogonal to the remaining mol-ecule [dihedral angle = 88.03 (6)°]. In the crystal, the mol-ecules associate via C-H⋯O inter-actions, involving both carbonyl-O atoms, giving rise to an undulating two-dimensional array in the ac plane. ...[more]

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