Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 3 (March 2013)

organic compounds

Acta Cryst. (2013). E69, o342    [ doi:10.1107/S1600536813002997 ]

Ethyl 5-bromo-3-eth­oxy­carbonyl­amino-1-benzofuran-2-carboxyl­ate

P. Karunakar, V. Krishnamurthy, C. R. Girija, V. Krishna, V. P. Vaidya and A. J. Yamuna

Abstract: In the title compound, C14H14BrNO5, the ester group is disordered [occupancy ratio 0.52 (2):0.48 (2)]. The major component is nearly coplanar with the benzofuran plane, subtending a dihedral angle of 7.84 (2)°, while the amide group is twisted out of the benzofuran plane making a dihedral angle of 39.69 (2)°. An intra­molecular N-H...O hydrogen bond occurs. In the crystal, pairs of weak C-H...O hydrogen bonds link the mol­ecules into inversion dimers, which are further linked via strong N-H...O hydrogen bonds, generating a zigzag chain extending along [100].

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