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Exo-4-[(1H-Benzimidazol-2-yl)meth-yl]-10-oxa-4-aza-tricyclo-[5.2.1.0]decane-3,5-dione.

ABSTRACT: In the title compound, C(16)H(15)N(3)O(3), the dihedral angle between the approximately planar benzimidazolyl group (r.m.s. deviation = 0.010?Å) and the pyrrolidine ring is 78.20?(6)°. The C-C-N bond angle of the bridging CH(2) group is 112.14?(16)°. In the crystal, mol-ecules are linked via N-H?N hydrogen bonds, forming infinite chains parallel to [101] and [10[Formula: see text]].

SUBMITTER: Li SK

PROVIDER: S-EPMC3213433 | biostudies-literature | 2011 Aug

REPOSITORIES: biostudies-literature

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exo-4-[(1H-Benzimidazol-2-yl)meth-yl]-10-oxa-4-aza-tricyclo-[5.2.1.0]decane-3,5-dione.

Li Shi-Kun SK Zhang Fan F Lv Tian-Xi TX Lin Qiu-Yue QY

Acta crystallographica. Section E, Structure reports online 20110709 Pt 8

In the title compound, C(16)H(15)N(3)O(3), the dihedral angle between the approximately planar benzimidazolyl group (r.m.s. deviation = 0.010 Å) and the pyrrolidine ring is 78.20 (6)°. The C-C-N bond angle of the bridging CH(2) group is 112.14 (16)°. In the crystal, mol-ecules are linked via N-H⋯N hydrogen bonds, forming infinite chains parallel to [101] and [10[Formula: see text]]. ...[more]

PMID: 22091012

Similar Datasets

4-(3,5-Dioxo-10-oxa-4-aza-tricyclo-[5.2.1.0]decan-4-yl)-10-oxa-4-aza-tricyclo-[5.2.1.0]decane-3,5-dione.

Project description:In the title compound, C(16)H(16)N(2)O(6), the dihedral angle between the two pyrrolidine rings is 79.38?(14)°.

| S-EPMC3275059 | biostudies-literature

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Project description:The reaction of aniline with norcantharidin produced the imide title compound, C(14)H(13)NO(3), which shows no significant hydrogen bonds in the crystal structure. The dihedral angle between the phenyl and pyrrolidine rings is 48.48?(6)°.

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exo-1,7-Dimethyl-4-phenyl-10-oxa-4-aza-tri-cyclo-[5.2.1.0(2,6)]dec-8-ene-3,5-dione.

Project description:The title compound, C16H15NO3, consists of an oxabicycle fused to an N-phenyl-substituted pyrrolidine ring anti to the double bond, affording the exo isomer. In the oxabicycle system, the six-membered ring presents a boat conformation, while the heterocyclic rings show envelope conformations with the O atom projected out of the plane. In the crystal, adjacent mol-ecules are linked via weak C-H?O hydrogen bonds, forming chains propagating along the a-axis direction. The chains are linked by C-H?? inter-actions, forming two-dimensional networks lying parallel to the ac plane.

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Project description:In the title compound, C(14)H(7)Cl(6)NO(2)S, the six-membered ring of the aza-tricyclo system has a boat conformation whereas the five-membered rings have an envelope conformation. The thio-phene ring and the ring of the succinimide moiety enclose a dihedral angle of 67.2?(1)°. The crystal packing is stabilized by weak inter-molecular C-H?O hydrogen bonds.

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2-(10',10'-Dimethyl-3'-sulfanyl-idene-4'-aza-tri-cyclo-[5.2.1.0(1,5)]decan-2'--yl)-10,10-dimethyl-4-aza-tri-cyclo-[5.2.1.0(1,5)]decane-3-thione.

Project description:The title compound, C28H40N2O2S2, was obtained as a minor product from an anti-aldol reaction between the corresponding N-propionyl-thiol-actam and benzaldehyde. The asymmetric unit contains one half-molecule, which is completed by inversion symmetry. The molecule displays a nearly eclipsed conformation along the central C-C bond with a C-C-C-C- torsion angle of 20.4?(3)°.

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2-(3,5-Dioxo-4-aza-tri-cyclo-[5.2.1.0(2,6)]dec-8-en-4-yl)acetic acid.

Project description:The asymmetric unit of the title compound, C11H11NO4, contains two mol-ecules, A and B, with different conformations: in mol-ecule A, the norborne and carb-oxy-lic acid groups lie to the same side of the heterocycle, whereas in a mol-ecule B, they lie on opposite sides. In the crystal, the A mol-ecules form R 2 (2)(8) carb-oxy-lic acid inversion dimers, linked by pairs of O-H?O hydrogen bonds. The B mol-ecules link to one of the ketone O atoms of the A mol-ecule by an O-H?O inter-action, resulting in tetra-mers (two A and two B mol-ecules). The tetra-mers are linked by weak C-H?O inter-actions, generating a three-dimensional network.

| S-EPMC3884503 | biostudies-literature

(+)-(1S,5R,10S)-11,11-Dimeth-yl-4-oxa-tricyclo-[8.4.0.0]tetra-deca-ne-3,12-dione.

Project description:The title compound, C(15)H(22)O(3), was prepared via amino-acid-promoted Robinson annulation followed by tandem Pd/C-mediated hydrogenation and oxidative cyclization. This product was instrumental in determining the feasibility of a stereocontrolled hydrogenation in which the directing hydroxyl group is adjacent to the 6-7-ring network and its olefinic component. The asymmetric unit consists of a single mol-ecule with normal geometric parameters. The absolute configuration was assigned based on the known enanti-omeric prescursor. Inter-molecular C-H?O inter-actions link each mol-ecule with four neighboring mol-ecules.

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