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Tert-Butyl 3-benzyl-3-[(E)-2-benzyl-idene-3-oxocyclo-pent-yl]-2-oxoindoline-1-carboxyl-ate.

ABSTRACT: In the title compound, C(32)H(31)NO(4), the dihedral angles between the indoline ring and the two phenyl rings are 48.11 (9) and 66.55 (9)°. The mol-ecular conformation is stabilized by a weak intramolecular π-π stacking inter-action [centroid-centroid distance = 3.6377 (7) Å]. The crystal structure is stabilized by inter-molecular C-H⋯O hydrogen bonds, which form chains along the b axis.

SUBMITTER: Qiao Z

PROVIDER: S-EPMC3099990 | biostudies-literature |

REPOSITORIES: biostudies-literature

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tert-Butyl N'-[4-(2-pyrid-yl)benzyl-idene]hydrazinecarboxyl-ate.

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Project description:In the title compound, C(8)H(12)N(2)O(2), mol-ecules are inter-connected by weak C-H?O contacts with H?O distances of 2.30?Å, resulting in the formation of chains along [100]. According to graph-set analysis, the unitary descriptor of these chains is C(5). In addition, there are ?-? stacking inter-actions between pyrazole rings (centroid distance = 3.878?Å and ring plane distance = 3.26?Å).

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Synthesis and crystal structure of <i>tert</i>-butyl 1-(2-iodo-benzo-yl)cyclo-pent-3-ene-1-carboxyl-ate.

Project description:1-(2-Iodo-benzo-yl)-cyclo-pent-3-ene-1-carboxyl-ates are novel substrates to construct bi-cyclo-[3.2.1]octa-nes with anti-bacterial and anti-thrombotic activities. In this context, tert-butyl 1-(2-iodo-benzo-yl)-cyclo-pent-3-ene-1-carboxyl-ate, C17H19IO3, was synthesized and structurally characterized. The 2-iodo-benzoyl group is attached to the tertiary C atom of the cyclo-pent-3-ene ring. The dihedral angle between the benzene ring and the mean plane of the envelope-type cyclo-pent-3-ene ring is 26.0?(3)°. In the crystal, pairs of C-H?O hydrogen bonds link the mol-ecules to form inversion dimers.

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