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(E)-3-[2,5-Dioxo-3-(propan-2-yl-idene)pyrrolidin-1-yl]acrylic acid.

ABSTRACT: The title compound, C(10)H(11)NO(4), was extracted from a culture broth of Penicillium verruculosum YL-52. The mol-ecular structure is essentially planar, with an r.m.s. deviation of 0.01342?(2)?Å for the non-H atoms. In the crystal structure, adjacent mol-ecules are connected into a centrosymmetric dimer through a pair of O-H?O hydrogen bonds. The dimers are further extended into a chain by weak C-H?O hydrogen bonds.

SUBMITTER: Miao F

PROVIDER: S-EPMC2983691 | biostudies-other | 2010

REPOSITORIES: biostudies-other

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(E)-3-[2,5-Dioxo-3-(propan-2-yl-idene)pyrrolidin-1-yl]acrylic acid.

Miao Fang F Qin Bao-Fu BF Yang Li-Zhen LZ Yang Xin-Juan XJ Zhou Le L

Acta crystallographica. Section E, Structure reports online 20100213 Pt 3

The title compound, C(10)H(11)NO(4), was extracted from a culture broth of Penicillium verruculosum YL-52. The mol-ecular structure is essentially planar, with an r.m.s. deviation of 0.01342 (2) Å for the non-H atoms. In the crystal structure, adjacent mol-ecules are connected into a centrosymmetric dimer through a pair of O-H⋯O hydrogen bonds. The dimers are further extended into a chain by weak C-H⋯O hydrogen bonds. ...[more]

PMID: 21580390

Similar Datasets

Synthesis, Anticonvulsant, and Antinociceptive Activity of New 3-(2-Chlorophenyl)- and 3-(3-Chlorophenyl)-2,5-dioxo-pyrrolidin-1-yl-acetamides.

Project description:The new series of 3-(2-chlorophenyl)- and 3-(3-chlorophenyl)-pyrrolidine-2,5-dione-acetamide derivatives as potential anticonvulsant and analgesic agents was synthesized. The compounds obtained were evaluated in the following acute models of epilepsy: maximal electroshock (MES), psychomotor (6 Hz, 32 mA), and subcutaneous pentylenetetrazole (scPTZ) seizure tests. The most active substance-3-(2-chlorophenyl)-1-{2-[4-(4-fluorophenyl)piperazin-1-yl]-2-oxoethyl}-pyrrolidine-2,5-dione (6) showed more beneficial ED50 and protective index values than the reference drug-valproic acid (68.30 mg/kg vs. 252.74 mg/kg in the MES test and 28.20 mg/kg vs. 130.64 mg/kg in the 6 Hz (32 mA) test, respectively). Since anticonvulsant drugs are often effective in neuropathic pain management, the antinociceptive activity for two the promising compounds-namely, 6 and 19-was also investigated in the formalin model of tonic pain. Additionally, for the aforementioned compounds, the affinity for the voltage-gated sodium and calcium channels, as well as GABAA and TRPV1 receptors, was determined. As a result, the most probable molecular mechanism of action for the most active compound 6 relies on interaction with neuronal voltage-sensitive sodium (site 2) and L-type calcium channels. Compounds 6 and 19 were also tested for their neurotoxic and hepatotoxic properties and showed no significant cytotoxic effect.

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Project description:In the title 1:1 adduct, C(6)H(12)N(2)O(2)·C(9)H(10)N(2)O(2), the maximum deviations from the 1H-pyrazole-5-ol and furan rings are 0.014?(1) and 0.003?(1)?Å, respectively. The dihedral angle formed between the 1H-pyrazol-5-ol and 2,5-dimethyl-furan rings is 21.07?(5)°. In the crystal, pairs of inter-molecular O-H?N hydrogen bonds form inversion dimers of the 3-(2,5-dimethyl-furan-3-yl)-1H-pyrazol-5-ol species, generating R(2) (2)(8) ring motifs. Mol-ecules are further linked by inter-molecular N-H?O, N-H?N and C-H?O hydrogen bonds to form ribbons along the [010] direction containing bifurcated R(1) (2)(5) and R(2) (1)(7) ring motifs. Further stablization of the packing is provided by weak ?-? [centroid-centroid distance = 3.5686?(15)?Å] and C-H?? inter-actions.

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Project description:We report herein a series of water-soluble analogues of previously described anticonvulsants and their detailed in vivo and in vitro characterization. The majority of these compounds demonstrated broad-spectrum anticonvulsant properties in animal seizure models, including the maximal electroshock (MES) test, the pentylenetetrazole-induced seizure model (scPTZ), and the psychomotor 6 Hz (32 mA) seizure model in mice. Compound 14 showed the most robust anticonvulsant activity (ED50 MES = 49.6 mg/kg, ED50 6 Hz (32 mA) = 31.3 mg/kg, ED50scPTZ = 67.4 mg/kg). Notably, it was also effective in the 6 Hz (44 mA) model of drug-resistant epilepsy (ED50 = 63.2 mg/kg). Apart from favorable anticonvulsant properties, compound 14 revealed a high efficacy against pain responses in the formalin-induced tonic pain, the capsaicin-induced neurogenic pain, as well as in the oxaliplatin-induced neuropathic pain in mice. Moreover, compound 14 showed distinct anti-inflammatory activity in the model of carrageenan-induced aseptic inflammation. The mechanism of action of compound 14 is likely complex and may result from the inhibition of peripheral and central sodium and calcium currents, as well as the TRPV1 receptor antagonism as observed in the in vitro studies. This lead compound also revealed beneficial in vitro ADME-Tox properties and an in vivo pharmacokinetic profile, making it a potential candidate for future preclinical development. Interestingly, the in vitro studies also showed a favorable induction effect of compound 14 on the viability of neuroblastoma SH-SY5Y cells.

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3-Chloro-6-[2-(propan-2-yl-idene)hydrazin-yl]pyridazine.

Project description:In the title compound, C(7)H(9)ClN(4), the 3-chloro-6-hydrazinylpyridazine unit is planar (r.m.s. deviation = 0.0219?Å) and is oriented at a dihedral angle 4.66?(27)° with respect to the propan-2-yl-idene group. In the crystal, the mol-ecules are linked into non-planar dimers due to a crystallographic twofold rotation via N-H?N hydrogen bonds with R(2) (2)(8) graph-set ring motifs.

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N-Phenyl-2-(propan-2-yl-idene)-hydrazine-carboxamide.

Project description:In the title compound, C(10)H(13)N(3)O, the hydrazinecarboxamide N-N-C(=O)-N unit is nearly planar [maximum deviation = 0.018?(2)?Å] and is inclined at a dihedral angle of 8.45?(10)° with respect to the plane of the phenyl ring. The mol-ecular structure is stabilized by an intra-molecular C-H?O hydrogen bond which generates an S(6) ring motif. In the crystal, mol-ecules are linked into an inversion dimer by pairs of N-H?O and C-H?O hydrogen bonds.

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4-(3-Fluoro-phen-yl)-1-(propan-2-yl-idene)thio-semicarbazone.

Project description:The title compound, C(10)H(12)FN(3)S, crystallizes in the same space group (P2(1)/c) as two polymorphic forms of 4-phenyl-1-(propan-2-yl-idene)thio-semicarbazone [Jian et al. (2005). Acta Cryst. E61, o653-o654; Venkatraman et al. (2005). Acta Cryst. E61, o3914-o3916]. The arrangement of mol-ecules relative to the twofold screw axes is similar to that in the crystal structure of the lower density polymorph. In the solid state, the mol-ecular conformation is stabilized by an intra-molecular N-H⋯N hydrogen bond. The mol-ecules form centrosymmetric R(2) (2)(8) dimers in the crystal through pairs of N-H⋯S hydrogen bonds.

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Crystal structures of 1-(4-chloro-phen-yl)-4-(4-methyl-phen-yl)-2,5-dioxo-1,2,5,6,7,8-hexa-hydro-quinoline-3-carb-oxy-lic acid and 4-(4-meth-oxy-phen-yl)-1-(4-methyl-phen-yl)-2,5-dioxo-1,2,5,6,7,8-hexa-hydro-quinoline-3-carbo-nitrile.

Project description:In the title compounds C23H21ClN2O3 [I, namely 1-(4-chloro-phen-yl)-4-(4-methyl-phen-yl)-3,8-dioxo-1,2,5,6,7,8-hexa-hydro-quine-3-carb-oxy-lic acid] and C24H22N2O3 [II, namely 4-(4-meth-oxy-phen-yl)-1-(4-methyl-phen-yl)-2,5-dioxo-1,2,5,6,7,8-hexa-hydro-quinoline-3-carbo-nitrile], each of the cyclo-hexene and di-hydro-pyridine rings of the 1,2,5,6,7,8-hexa-hydro-quinoline moieties adopts a twisted-boat conformation. The asymmetric units of both compounds I and II consist of two independent mol-ecules (A and B). In II A, three carbon atoms of the cyclo-hexene ring are disordered over two sets of sites in a 0.670 (11):0.330 (11) occupancy ratio. In the crystal of I, mol-ecules are linked through classical N-H⋯O hydrogen bonds, forming inversion dimers with an R 2 2(8) ring motif and with their mol-ecular planes parallel to the crystallographic (020) plane. Non-classical C-H⋯O hydrogen-bonding inter-actions connect the dimers, resulting in a three-dimensional network. In the crystal of II, mol-ecules are linked by C-H⋯N, C-H⋯O and C-H⋯π inter-actions, forming a three-dimensional network.

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N'-[(1E,2E)-1-(2-Phenyl-hydrazin-1-yl-idene)-1-(phenyl-sulfon-yl)propan-2-yl-idene]benzohydrazide.

Project description:The configuration about each C=N bond in the title compound, C(22)H(20)N(4)O(3)S, is E. While to a first approximation the phenyl-hydrazin-1-yl-idene and benzohydrazide residues are coplanar, in part due to the presence of an intra-molecular N-H?N hydrogen bond, significant twists are evident in the orientations of the hydrazine [N-N-C-C torsion angle = -170.74?(11)°] and benzoyl benzene [N-C-C-C = -21.72?(18)°] rings. The sulfonyl benzene ring occupies a position almost normal to the rest of the mol-ecule [C-S-C-N = -92.28?(10)°]. Centrosymmetric aggregates mediated by pairs of hydrazide-sulfonyl N-H?O hydrogen bonds are the predominant packing motif in the crystal. These are connected into linear supra-molecular chains via C-H?O inter-actions which are, in turn, linked into layers in the ac plane via C-H?? inter-actions. Connections between layers along the b-axis direction are of the ?-? type and occur between centrosymmetrically related hydrazine-bound benzene rings [centroid-centroid separation = 3.7425?(9)?Å].

| S-EPMC3200681 | biostudies-literature

4-Dimethyl-amino-1-(4-meth-oxy-phen-yl)-2,5-dioxo-2,5-dihydro-1H-pyrrole-3-carbonitrile.

Project description:In the title compound, C14H13N3O3, a twist occurs, as seen in the dihedral angle of 53.60?(12)° between the pyrrole and benzene rings. A three-dimensional architecture is formed in the crystal whereby layers of mol-ecules in the ac plane are connected by C-H?O and C-H?? inter-actions.

| S-EPMC3588536 | biostudies-literature

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