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Ethyl 2-chloro-[2-(4-chloro-phen-yl)hydrazin-1-yl-idene]acetate.

ABSTRACT: The title compound, C(10)H(10)Cl(2)N(2)O(2), features a planar C(ar)-N(H)-N=C(Cl) unit [torsion angle = 5.5 (4)°] whose benzene substituent is coplanar with it [dihedral angle = 4.7 (4)°]; this unit is slightly twisted with respect to the carboxyl -CO(2) fragment [dihedral angle = 2.2 (52)°]. The amino group acts as a hydrogen-bond donor to the carbonyl O atom of an adjacent mol-ecule; the hydrogen bond generates a helical polymer that runs along the b axis of the monoclinic unit cell.

SUBMITTER: Asiri AM

PROVIDER: S-EPMC3007972 | biostudies-literature | 2010 Aug

REPOSITORIES: biostudies-literature

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Ethyl 2-chloro-[2-(4-chloro-phen-yl)hydrazin-1-yl-idene]acetate.

Asiri Abdullah M AM Zayed Mohie E M ME Ng Seik Weng SW

Acta crystallographica. Section E, Structure reports online 20100821 Pt 9

The title compound, C(10)H(10)Cl(2)N(2)O(2), features a planar C(ar)-N(H)-N=C(Cl) unit [torsion angle = 5.5 (4)°] whose benzene substituent is coplanar with it [dihedral angle = 4.7 (4)°]; this unit is slightly twisted with respect to the carboxyl -CO(2) fragment [dihedral angle = 2.2 (52)°]. The amino group acts as a hydrogen-bond donor to the carbonyl O atom of an adjacent mol-ecule; the hydrogen bond generates a helical polymer that runs along the b axis of the monoclinic unit cell. ...[more]

PMID: 21588714

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Ethyl (Z)-2-chloro-2-[2-(4-meth-oxy-phenyl)hydrazin-1-yl-idene]acetate.

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(Z)-Ethyl 2-chloro-2-[2-(4-methyl-phen-yl)hydrazinyl-idene]acetate.

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Project description:In the title ion-pair, C(22)H(29)Cl(2)N(4)O(2) (+)·C(2)F(3)O(2) (-), ammonium-carboxyl-ate N-H⋯O hydrogen bonds link two cations and two anions about a centre of inversion to generate a hydrogen-bonded tetramer. In the cation, one of the imino N atoms is protonated and donates a hydrogen bond to the O atom of the adjacent chloro-phenyl ring. The other imino N atom acts as a hydrogen-bond acceptor from a phenolate O atom.

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Dimethyl 2-[2-(2,4,6-tri-chloro-phen-yl)hydrazin-1-yl-idene]butane-dioate.

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