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Ethyl 27-oxo-15-oxa-2,20-diaza-hexa-cyclo-[18.6.1.0(1,8).0(2,6).0(9,14).0(21,26)]hepta-cosa-9,11,13,21,23,25-hexa-ene-7-carboxyl-ate.

ABSTRACT: In the title compound, C27H30N2O4, the pyrrolidine ring adopts a twisted conformation. The indoline ring system is almost perpendicular to the mean plane of the pyrrolidine ring, making a dihedral angle of 81.7?(8)°. In the crystal, mol-ecules are linked into centrosymmetric dimers with graph-set motif R2(2)(16) via pairs of C-H?O hydrogen bonds. The terminal ethyl group of the ester group is disordered over two sets of sites, with a site-occupancy ratio of 0.587?(11):0.413?(11).

SUBMITTER: Narayanan S

PROVIDER: S-EPMC3588369 | biostudies-literature | 2013 Jan

REPOSITORIES: biostudies-literature

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Ethyl 27-oxo-15-oxa-2,20-diaza-hexa-cyclo-[18.6.1.0(1,8).0(2,6).0(9,14).0(21,26)]hepta-cosa-9,11,13,21,23,25-hexa-ene-7-carboxyl-ate.

Narayanan Sibi S Srinivasan Thothadri T Purushothaman Santhanagopalan S Raghunathan Raghavachary R Velmurugan Devadasan D

Acta crystallographica. Section E, Structure reports online 20121205 Pt 1

In the title compound, C27H30N2O4, the pyrrolidine ring adopts a twisted conformation. The indoline ring system is almost perpendicular to the mean plane of the pyrrolidine ring, making a dihedral angle of 81.7 (8)°. In the crystal, mol-ecules are linked into centrosymmetric dimers with graph-set motif R2(2)(16) via pairs of C-H⋯O hydrogen bonds. The terminal ethyl group of the ester group is disordered over two sets of sites, with a site-occupancy ratio of 0.587 (11):0.413 (11). ...[more]

PMID: 23476411

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