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5''-(4-Chloro-benzyl-idene)-4'-(4-chloro-phen-yl)-5-fluoro-1',1''-dimethyl-indoline-3-spiro-2'-pyrrolidine-3'-spiro-3''-piperidine-2,4''-dione.

ABSTRACT: The piperidine ring of the title compound, C(30)H(26)Cl(2)FN(3)O(2), adopts a twisted chair conformation. The pyrrolidine ring has a twisted envelope structure with the N atom at the flap [displaced by 0.592?(3)?Å]. The fluoro-oxindole, chloro-phenyl and chloro-benzyl-idene groups are planar with r.m.s. deviations of 0.0348, 0.0048 and 0.0048?Å, respectively. The structure is stabilized by inter-molecular N-H?O hydrogen bonds.

SUBMITTER: Sundar JK

PROVIDER: S-EPMC3099878 | biostudies-other | 2011 Apr

REPOSITORIES: biostudies-other

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5''-(4-Chloro-benzyl-idene)-4'-(4-chloro-phen-yl)-5-fluoro-1',1''-dimethyl-indoline-3-spiro-2'-pyrrolidine-3'-spiro-3''-piperidine-2,4''-dione.

Sundar J Kalyana JK Bala B Devi BD Natarajan S S Suresh J J Lakshman P L Nilantha PL

Acta crystallographica. Section E, Structure reports online 20110305 Pt 4

The piperidine ring of the title compound, C(30)H(26)Cl(2)FN(3)O(2), adopts a twisted chair conformation. The pyrrolidine ring has a twisted envelope structure with the N atom at the flap [displaced by 0.592 (3) Å]. The fluoro-oxindole, chloro-phenyl and chloro-benzyl-idene groups are planar with r.m.s. deviations of 0.0348, 0.0048 and 0.0048 Å, respectively. The structure is stabilized by inter-molecular N-H⋯O hydrogen bonds. ...[more]

PMID: 21754090

Similar Datasets

5-Chloro-5''-(4-chloro-benzyl-idene)-4'-(4-chloro-phen-yl)-1',1''-dimethyldi-spiro-[indoline-3,2'-pyrrolidine-3',3''-piperidine]-2,4''-dione.

Project description:The racemic title compound, C30H26Cl3N3O2, comprises two spiro links, the first connecting the piperidine and pyrrolidine rings and the other connecting the indole and pyrrolidine rings. The piperidine ring adopts a half-chair conformation, while the pyrrolidine ring has an envelope conformation with the unsubstituted C atom as the flap. The dihedral angles between the two p-Cl-substituted benzene rings and the indole ring are 33.13 (14) and 54.11 (14)°. In the crystal, mol-ecules form inversion dimers through pairs of N-H⋯O hydrogen bonds [graph set R 2 (2)(8)]. Aromatic C-H⋯O hydrogen bonds extend these dimers into a ribbon structure, enclosing R (2) 2(14) ring motifs, along the a-axis direction.

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5''-Benzyl-idene-5-chloro-1',1''-dimethyl-4'-phenyl-dispiro-[indoline-3,2'-pyrrolidine-3',3''-piperidine]-2,4''-dione.

Project description:The title compound, C30H28ClN3O2, features two spiro links, one connecting the piperidine and pyrrolidine rings, and the other connecting the pyrrolidine ring and indole residue. The configuration about the ethene bond is E. The piperidine ring adopts a half-chair conformation where the C atom connected to the spiro-C atom lies 0.713 (3) Å out of the plane of the remaining five atoms (r.m.s. deviation = 0.086 Å). The pyrrolidine ring has an envelope conformation with the flap atom being the methyl-ene C atom. Centrosymmetric eight-membered {⋯HNCO}2 amide synthons feature in the crystal packing. These are consolidated into a three-dimensional architecture by phen-yl-pyrrolidine C-H⋯N and chloro-benzene-pyrrolidine-bound phenyl C-H⋯π inter-actions.

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5-Chloro-5''-(4-chloro-benzyl-idene)-4'-(4-chloro-phen-yl)-1''-ethyl-1'-methyl-dispiro-[indoline-3,2'-pyrrolidine-3',3''-piperidine]-2,4''-dione.

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Project description:The asymmetric unit of the title compound, C(34)H(31)N(3)O(2), consists of two independent mol-ecules which differ slightly in the orientations of the phenyl rings with respect to the pyrrolidine ring. In both mol-ecules, the piperidin-4-one ring adopts a chair conformation, whereas the pyrrolidine ring adopts an envelope conformation in one of the mol-ecules and a twisted conformation in the other. An intra-molecular C-H?O hydrogen bond is observed. The crystal packing is stabilized by inter-molecular N-H?O hydrogen bonds and C-H?? inter-actions.

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5-(4-Fluoro-benzyl-idene)-4'-(4-fluoro-phen-yl)-1,1'-dimethyl-dispiro-[piperidine-3,3'-pyrrolidine-2',3''-indoline]-4,2''-dione.

Project description:The asymmetric unit of the title compound, C(30)H(27)F(2)N(3)O(2), contains two independent mol-ecules. The pyrrolidine five-membered ring assumes an envelope conformation (with the CH(2) atom at the flap) in one mol-ecule and a twisted conformation in the other one. In both independent mol-ecules, the 4-piperidinone rings adopt a similar twisted chair conformation. In the crystal, the two independent mol-ecules form an R(2) (2)(8) dimer through a pair of N-H⋯O hydrogen bonds; the R(2) (2)(8) dimers are connected via weak C-H⋯O hydrogen bonds, leading to a chain extending along the c axis.

| S-EPMC3470200 | biostudies-literature

4'-(2,4-Dichloro-phen-yl)-1,1'-dimethyl-piperidine-3-spiro-3'-pyrrolidine-2'-spiro-3''-indoline-4,2''-dione.

Project description:In the title compound, C(23)H(23)Cl(2)N(3)O(2), the pyrroline ring adopts an envelope conformation and the piperidinone ring assumes a slightly twisted chair form. In the crystal, inversion dimers linked by pairs of N-H?O hydrogen bonds generate an R(2) (8) graph-set motif and a short Cl?Cl contact of 3.478?(1)?Å occurs.

| S-EPMC2983500 | biostudies-literature

5''-(4-Chloro-benzyl-idene)-1',1''-dimethyl-3'-phenyl-acenaphthene-1-spiro-2'-pyrrolidine-3'-spiro-3''-pyridine-2,4''-dione.

Project description:In the title compound, C(34)H(28)Cl(2)N(2)O(2), the five-membered pyrrolidine ring adopts an envelope conformation and the six-membered piperidinone ring is in a distorted half-chair conformation. The mol-ecular structure shows three intra-molecular C-H⋯O inter-actions and the crystal packing is stabilized through inter-molecular C-H⋯O and C-H⋯π inter-actions.

| S-EPMC2915053 | biostudies-literature

3-(4-Fluoro-benzyl-idene)-1,5-dioxa-spiro-[5.5]undecane-2,4-dione.

Project description:In the title mol-ecule, C(16)H(15)FO(4), the fused 1,3-dioxane and cyclo-hexane rings exhibit a bath and a chair conformation, respectively. In the crystal, weak inter-molecular C-H⋯O hydrogen bonds link the mol-ecules into centrosymmetric dimers.

| S-EPMC3051599 | biostudies-literature

5-Chloro-5''-[4-(di-methyl-amino)-benzyl-idene]-4'-[4-(di-methyl-amino)-phen-yl]-1',1''-di-methyl-dispiro-[indoline-3,2'-pyrrolidine-3',3''-piperidine]-2,4''-dione.

Project description:The title compound, C34H38ClN5O2, has spiro links connecting the pyrrolidine ring and indole residue, as well as the piperidine and pyrrolidine rings. A half-chair conformation is found for the piperidine ring with the C atom connected to the spiro-C atom lying 0.738 (4) Å out of the plane of the remaining five atoms (r.m.s. deviation = 0.0407 Å). The methyl-ene C atom is the flap in the envelope conformation for the pyrrolidine ring. In the crystal, supra-molecular chains are sustained by alternating eight-membered {⋯HNCO}2 and 14-membered {⋯HC5O}2 synthons. Chains are connected into a three-dimensional network by (pyrrolidine-bound phenyl-meth-yl)C-H⋯π(pyrrolidine-bound phen-yl) edge-to-face inter-actions.

| S-EPMC4029217 | biostudies-literature

1'-Benzyl-4,4''-bis-(4-chloro-phen-yl)-3-(2,6-dichloro-phen-yl)-1''-methyl-4,5-dihydro-isoxazole-5-spiro-3'-piperidine-5'-spiro-3''-pyrrolidine-2''-spiro-3'''-indoline-2''',4'-dione.

Project description:The asymmetric unit of the title compound, C(43)H(34)Cl(4)N(4)O(3), contains two crystallographically independent mol-ecules. In both mol-ecules, the pyrrolidine ring adopts a twist conformation, the oxindole units are slightly distorted from planarity and the isoxazoline ring adopts an envelope conformation. The crystal structure is stabilized by N-H?O hydrogen-bonding inter-actions giving one-dimensional chain structures.

| S-EPMC2980235 | biostudies-literature

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