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1'-Butyl-2-methyl-1',2,2',3,4,9-hexa-hydro-spiro-[benzo[f]isoindole-1,3'-indole]-2',4,9-trione.

ABSTRACT: In the title compound, C(24)H(22)N(2)O(3), the indoline and pyrrole-fused naphtho-quinone units are both essentially planar [r.m.s. deviations = 0.042 (3) and 0.133 (3) Å, respectively]. The pyrrole ring adopts a C-envelope conformation. The dihedral angle between the mean planes of the two five-membered rings is 89.94 (9)°. The O atoms deviate from the mean planes of the pyrrolidine and naphthalene rings by 0.0311 (2), 0.2570 (2) and 0.1669 (2) Å. In the crystal, C-H⋯O inter-actions generate dimers with R(2) (2)(16) and R(2) (2)(18) graph-set motifs. The carbonyl O atom is involved in bifurcated hydrogen bonding. C-H⋯π inter-actions also occur.

SUBMITTER: Jagadeesan G

PROVIDER: S-EPMC3393950 | biostudies-literature |

REPOSITORIES: biostudies-literature

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(1S,3R)-3-Isobutyl-2,3-dihydro-spiro[benzo[f]isoindole-1,3'-indoline]-2',4,9-trione methanol monosolvate.

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1-Benzyl-3-(2-furylmeth-yl)-1,2,3,4,5,6-hexa-hydro-spiro-[benzo[h]quinazoline-5,1'-cyclo-hexa-ne]-2,4-dione.

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2,2'-(1,3,5,7-Tetra-oxo-1,2,3,5,6,7-hexa-hydro-pyrrolo[3,4-f]isoindole-2,6-di-yl)diacetic acid N,N-dimethyl-formamide disolvate.

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Crystal structure of 1,3-diallyl-1,3,3a,4,7,7a-hexa-hydro-4,7-methano-2-benzo-thio-phene 2,2-dioxide.

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Project description:In the title compound, C(9)H(12)BrNO(3)S, the two tetra-hydro-furan rings adopt envelope conformations, the pyrrolidine ring adopts a half-chair conformation and the six-membered ring is in a boat conformation. In the crystal, weak inter-molecular C-H?O hydrogen bonds link the mol-ecules into R(2) (2)(8) and R(2) (2)(14) rings along the b-axis direction.

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1'-Methyl-4'-(1-naphth-yl)-1'',2'',3'',4''-tetra-hydro-indane-2-spiro-2'-pyrrolidine-3'-spiro-2''-naphthalene-1,3,1''-trione.

Project description:In the title compound, C(32)H(25)NO(3), the pyrrolidine ring adopts an envelope conformation, whereas the cyclo-hexa-none ring in the tetra-hydro-naphthalene fused-ring system adopts a half-chair conformation. The indanedione unit is oriented at an angle of 58.9?(1)° with respect to the naphthyl ring system. Three intra-molecular C-H?O close contacts and an intra-molecular C-H?? inter-action are observed. In the crystal, mol-ecules associate via C-H?O hydrogen bonds, forming a helical chain with a C(10) motif along the b axis.

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Project description:In the title compound, C(16)H(22)ClNS, the nine-membered 2,3-dihydro-1,3-benzothia-zole ring system is essentially planar, with a maximum deviation of 0.025?(2)?Å for the N atom. Its plane is almost perpendicular to the main plane of the substituted cyclo-hexane ring, which adopts a chair conformation. In the crystal, the molecules are linked by C-H?? inter-actions.

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1'-Allyl-1-(3,4-di-methyl-benzo-yl)-2-(4-methyl-1,3-thia-zol-5-yl)-1,2,5,6,7,7a-hexa-hydro-spiro-[pyrrolizine-3,3'-indolin]-2'-one.

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