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Crystal structure of (5Z)-5-(2-hy-droxy-benzyl-idene)-1,3-thia-zolidine-2,4-dione.

ABSTRACT: The title compound, C10H7NO3S, crystallizes with four independent mol-ecules in the asymmetric unit with slightly different conformations; the dihedral angles between the six- and five-membered rings are 2.6 (1), 1.09 (9), 8.6 (1) and 6.2 (1)°. In the crystal, mol-ecules are linked by O-H⋯O and N-H⋯O hydrogen bonds, forming sheets lying parallel to (101).

SUBMITTER: Mague JT

PROVIDER: S-EPMC4719925 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Crystal structure of (5Z)-5-(5-bromo-2-hy-droxy-benzyl-idene)-1,3-thia-zolidine-2,4-dione.

Project description:In the title compound, C10H6BrNO3S, the dihedral angle between the thia-zolidine ring (r.m.s. deviation = 0.014?Å) and the benzene ring is 5.78?(14)°. The S atom of the heterocyclic ring is syn to the OH group attached to the benzene ring. In the crystal, inversion dimers linked by pairs of N-H?O hydrogen bonds generate R 2 (2)(8) loops. The dimers are linked into [001] ribbons by pairwise O-H?O hydrogen bonds with R 2 (2)(18) motifs. There are no short contacts involving the Br atom.

| S-EPMC4719880 | biostudies-other

(Z)-5-(4-Fluoro-benzyl-idene)-1,3-thia-zolidine-2,4-dione.

Project description:In the title compound, C(10)H(6)FNO(2)S, the benzene and thia-zolidine rings make a dihedral angle of 7.52?(3)°. Intra-molecular C-H?O and C-H?S hydrogen bonds result in the formation of nearly planar five- and six-membered rings; the adjacent rings are nearly coplanar. In the crystal structure, inter-molecular N-H?O hydrogen bonds link the mol-ecules.

| S-EPMC2960296 | biostudies-literature

5-(4-Hy-droxy-3-meth-oxy-benz-yl)-1,3-thia-zolidine-2,4-dione monohydrate.

Project description:In the title compound, C(11)H(11)NO(4)S·H(2)O, the five-membered thia-zolidine ring is nearly planar, with a maximum deviation of 0.010?(2)?Å. The dihedral angle between the thia-zolidine and benzene rings is 49.16?(9)°. Inter-molecular O-H?O and N-H?O hydrogen bonding is present in the crystal structure.

| S-EPMC3050404 | biostudies-literature

(5Z)-5-(2-Hy-droxy-benzyl-idene)-3-(4-methyl-phen-yl)-2-sulfanyl-idene-1,3-thia-zolidin-4-one.

Project description:In the title compound, C(17)H(13)NO(2)S(2), the dihedral angles between the 2-sulfanyl-idene-1,3-thia-zolidin-4-one group and the pendant toluene and 2-hy-droxy-benzene rings are 74.62?(6) and 8.73?(12)°, respectively. An intra-molecular C-H?S inter-action occurs. In the crystal, inversion dimers linked by pairs of O-H?O hydrogen bonds generate R(2) (2)(16) loops. This link is reinforced by a pair of C-H?O hydrogen bonds. The dimers are connected by weak C-H?S inter-actions.

| S-EPMC3379392 | biostudies-literature

5-(4-Hy-droxy-benzyl-idene)-2,2-dimethyl-1,3-dioxane-4,6-dione.

Project description:The title compound, C(13)H(12)O(5), was prepared by the reaction of 2,2-dimethyl-1,3-dioxane-4,6-dione and 4-hy-droxy-benz-alde-hyde in ethanol. The 1,3-dioxane ring is in a distorted boat conformation. In the crystal, inversion dimers linked by pairs of O-H⋯O hydrogen bonds generate R(2) (2)(20) rings.

| S-EPMC3007919 | biostudies-literature

3-[2-Cyclo-propyl-1-(2-fluoro-phen-yl)-2-oxoeth-yl]-5-(4-methyl-sulfanyl-benzyl-idene)-1,3-thia-zolidine-2,4-dione.

Project description:In the title compound, C(22)H(18)FNO(3)S(2), the five-membered thia-zolidine ring is planar (r.m.s. deviation = 0.003?Å) and forms dihedral angles of 70.2?(3), 73.16?(17) and 10.32?(14)° with the cyclo-propane, fluoro-benzene and methyl-thio-benzene rings, respectively. The sum of the bond angles around the thia-zolidine ring N atom (359.6°) indicates sp(2) hybridization. The mol-ecular structure features intra-molecular C-H?S, C-H?F and C-H?O inter-actions. In the crystal, no significant inter-molecular contacts were apparent.

| S-EPMC3569250 | biostudies-literature

2-{[(E)-2-Hy-droxy-benzyl-idene]amino}-1H-isoindole-1,3(2H)-dione.

Project description:In the title compound, C(15)H(10)N(2)O(3), the isoindoline ring system is almost planar [maximum deviation = 0.020?(2)?Å] and makes a dihedral angle of 1.57?(7)° with the benzene ring. Intra-molecular O-H?N and C-H?O hydrogen bonds are observed.

| S-EPMC3009371 | biostudies-literature

3-[(5-Chloro-2-hy-droxy-benzyl-idene)amino]-2-sulfanyl-idene-1,3-thia-zolidin-4-one.

Project description:In the title compound, C10H7ClN2O2S2, the mean plane of the thioxo-thia-zolidine ring [maximum deviation = 0.032?(2)?Å] is inclined to the benzene ring by 12.25?(4)°. There is a strong intra-molecular O-H?N hydrogen bond present. In the crystal, mol-ecules are linked via pairs of C-H?Cl hydrogen bonds, forming inversion dimers.

| S-EPMC3770396 | biostudies-literature

N'-(2,4-Dichloro-benzyl-idene)-4-hy-droxy-benzohydrazide.

Project description:The title hydrazone compound, C(14)H(10)Cl(2)N(2)O(2), was synthesized by the reaction of 2,4-dichloro-benzaldehyde and 4-hy-droxy-benzohydrazide. The mol-ecule adopts an E geometry with respect to the azomethine group and the dihedral angle between the aromatic rings is 7.0?(2)°. In the crystal, mol-ecules are linked through inter-molecular N-H?Cl and O-H?O hydrogen bonds, forming a three-dimensional network.

| S-EPMC3011548 | biostudies-literature

2-[(E)-(2,4-Dichloro-benzyl-idene)amino]-isoindoline-1,3-dione.

Project description:In the title compound, C(15)H(8)Cl(2)N(2)O(2), the mol-ecule adopts an E configuration about the central C=N double bond. The isoindoline ring is essentially planar, with a maximum deviation of 0.019?(2)?Å. The dihedral angle between the isoindoline ring and the dichloro-substituted benzene ring is 6.54?(9)°. An intra-molecular C-H?O hydrogen bond occurs. A short Cl?Cl contact of 3.4027?(9)?Å is present in the crystal structure. The crystal packing is further stabilized by weak C-H?? inter-actions.

| S-EPMC3151809 | biostudies-literature

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