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Ethyl 5-((1E)-1-{(E)-2-[1-(4-eth-oxy-carbonyl-3-methyl-1,2-oxazol-5-yl)ethyl-idene]hydrazin-1-yl-idene}eth-yl)-3-methyl-1,2-oxazole-4-carboxyl-ate.

ABSTRACT: The complete mol-ecule of the title compound, C(18)H(22)N(4)O(6), is generated by the application of a twofold axis of symmetry. Twists are evident in the mol-ecule, i.e. between each -C=N-N group and the adjacent oxazole ring [dihedral angle = 46.08?(12) °] and between the latter and attached ester group [excluding the terminal methyl group; dihedral angle = 24.4?(7) °]. In the crystal, C-H?O and ?-? [3.5990?(11)?Å] contacts connect mol-ecules into supra-molecular arrays in the ac plane. These stack along the b axis, being connected by weak ?-? [3.3903?(11)?Å] inter-actions.

SUBMITTER: Asiri AM 

PROVIDER: S-EPMC3200773 | biostudies-literature | 2011 Sep

REPOSITORIES: biostudies-literature

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Ethyl 5-((1E)-1-{(E)-2-[1-(4-eth-oxy-carbonyl-3-methyl-1,2-oxazol-5-yl)ethyl-idene]hydrazin-1-yl-idene}eth-yl)-3-methyl-1,2-oxazole-4-carboxyl-ate.

Asiri Abdullah M AM   Al-Youbi Abdulrahman O AO   Faidallah Hassan M HM   Ng Seik Weng SW   Tiekink Edward R T ER  

Acta crystallographica. Section E, Structure reports online 20110811 Pt 9

The complete mol-ecule of the title compound, C(18)H(22)N(4)O(6), is generated by the application of a twofold axis of symmetry. Twists are evident in the mol-ecule, i.e. between each -C=N-N group and the adjacent oxazole ring [dihedral angle = 46.08 (12) °] and between the latter and attached ester group [excluding the terminal methyl group; dihedral angle = 24.4 (7) °]. In the crystal, C-H⋯O and π-π [3.5990 (11) Å] contacts connect mol-ecules into supra-molecular arrays in the ac plane. These  ...[more]

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