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3-(4-Hy-droxy-3-meth-oxy-phen-yl)acrylic acid-2,3,5,6-tetra-methyl-pyrazine (2/1).

ABSTRACT: The asymmetric unit of the title compound, C(8)H(12)N(2)·2C(10)H(10)O(4), contains a tetra-methyl-pyrazine mol-ecule, situated about an inversion center, and two substituted acrylic acid derivatives. The dihedral angle between the phenyl and pyrazine rings is 69.45?(9)°. In the crystal, inter-molecular O-H?O, O-H?N hydrogen bonds and weak C-H?O inter-actions lead to the formation of a supra-molecular network. The acrylic acid side chain is positionally disordered [occupancy ratio 0.852?(7):0.148?(7)].

SUBMITTER: Tan Z

PROVIDER: S-EPMC3051719 | biostudies-literature | 2011 Jan

REPOSITORIES: biostudies-literature

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3-(4-Hy-droxy-3-meth-oxy-phen-yl)acrylic acid-2,3,5,6-tetra-methyl-pyrazine (2/1).

Tan Zaiyou Z Zhu Erjia E Luo Lin L Lin Zhuohui Z Yan Ruisi R

Acta crystallographica. Section E, Structure reports online 20110115 Pt 2

The asymmetric unit of the title compound, C(8)H(12)N(2)·2C(10)H(10)O(4), contains a tetra-methyl-pyrazine mol-ecule, situated about an inversion center, and two substituted acrylic acid derivatives. The dihedral angle between the phenyl and pyrazine rings is 69.45 (9)°. In the crystal, inter-molecular O-H⋯O, O-H⋯N hydrogen bonds and weak C-H⋯O inter-actions lead to the formation of a supra-molecular network. The acrylic acid side chain is positionally disordered [occupancy ratio 0.852 (7):0.148 ...[more]

PMID: 21523092

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