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Crystal structure of methyl (Z)-2-[(Z)-3-methyl-2-({(E)-1-[(R*)-4-methyl-cyclo-hex-3-en-1-yl]ethyl-idene}hydrazinyl-idene)-4-oxo-thia-zolidin-5-yl-idene]acetate.

ABSTRACT: The new title 4-thia-zolidinone derivative, C16H21N3O3S, was obtained from the cyclization reaction of 4-methyl-3-thio-semicarbazone and dimethyl acetyl-enedi-carboxyl-ate (DMAD). The cyclo-hexyl-idene ring has an envelope conformation with the stereogenic centre C atom as the flap. Its mean plane makes a dihedral angle of 56.23?(9)° with the thia-zolidine ring mean plane. In the crystal, mol-ecules are linked by C-H?O hydrogen bonds forming chains propagating in the [001] direction. Within the chains there are offset ?-? inter-actions between the thia-zolidine rings of inversion-related mol-ecules [centroid-centroid distance = 3.703?(1)?Å]. The chains are linked by further C-H?O hydrogen bonds, forming slabs parallel to the ac plane.

SUBMITTER: Fawzi M 

PROVIDER: S-EPMC5683478 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature

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Crystal structure of methyl (<i>Z</i>)-2-[(<i>Z</i>)-3-methyl-2-({(<i>E</i>)-1-[(<i>R</i>*)-4-methyl-cyclo-hex-3-en-1-yl]ethyl-idene}hydrazinyl-idene)-4-oxo-thia-zolidin-5-yl-idene]acetate.

Fawzi Mourad M   Auhmani Aziz A   Ait Itto Moulay Youssef MY   Riahi Abdelkhalek A   Chevreux Sylviane S   Ketatni El Mostafa EM  

Acta crystallographica. Section E, Crystallographic communications 20171013 Pt 11

The new title 4-thia-zolidinone derivative, C<sub>16</sub>H<sub>21</sub>N<sub>3</sub>O<sub>3</sub>S, was obtained from the cyclization reaction of 4-methyl-3-thio-semicarbazone and dimethyl acetyl-enedi-carboxyl-ate (DMAD). The cyclo-hexyl-idene ring has an envelope conformation with the stereogenic centre C atom as the flap. Its mean plane makes a dihedral angle of 56.23 (9)° with the thia-zolidine ring mean plane. In the crystal, mol-ecules are linked by C-H⋯O hydrogen bonds forming chains pro  ...[more]

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