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(11R,12S)-16-Amino-tetra-cyclo-[6.6.2.0(2,7).0(9,14)]hexa-deca-2(7),3,5,9(14),10,12-hexaen-15-ol.

ABSTRACT: In the title compound, C(16)H(15)NO, the dihedral angle between the outer benzene rings is 51.88 (6)°, and each of the central six-membered rings has a boat conformation. The hy-droxy and amino groups are syn, and the hy-droxy H atom forms an intra-molecular O-H⋯N hydrogen bond. In the crystal, mol-ecules assemble via C-H⋯O and C-H⋯π inter-actions, consolidating a three-dimensional architecture.

SUBMITTER: Abdel-Aziz AA

PROVIDER: S-EPMC3393947 | biostudies-literature |

REPOSITORIES: biostudies-literature

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17-Hy-droxy-1,8-dimethyl-17-aza-penta-cyclo-[6.6.5.0(2,7).0(9,14).0(15,19)]nona-deca-2,4,6,9(14),10,12-hexa-ene-16,18-dione.

Project description:In the title compound, C20H17NO3 (alternative name: N-hy-droxy-9,10-dimethyl-9,10-ethano-anthracene-11,12-dicarboximide), the rigid ethano-anthracene-dicarboximide moiety has a roof-shaped geometry, the inter-planar angle between the two terminal phenyl rings being 124.9?(6)°. In the crystal, mol-ecules are linked via O-H?O hydrogen bonds, forming chains along [010]. C-H?O and C-H?? inter-actions link adjacent chains, leading to the formation of a three-dimensional structure.

| S-EPMC3588838 | biostudies-other

16-Oxa-penta-cyclo-[6.6.5.0(1,18).0(2,7).0(9,14)]nona-deca-2,4,6,9,11,13,18-heptaen-15-one.

Project description:In the title compound, C18H12O2, the benzene rings are inclined to one another by 66.79 (7)°. The five-membered ring is almost planar with a maximum deviation of 0.014 (1) Å. In the crystal, the mol-ecules are linked by pairs of weak C-H⋯O interactions into centrosymmetric dimers. These dimers are linked by C-H⋯π interactions, forming a three-dimensional structure.

| S-EPMC3998282 | biostudies-literature

(1S,8R,15S,19R)-17-Benzyl-17-aza-penta-cyclo-[6.6.5.0(2,7).0(9,14).0(15,19)]nona-deca-2(7),3,5,9(14),10,12-hexa-ene chloro-form monosolvate.

Project description:In the title compound, C(25)H(23)N·CHCl(3), the dihydro-anthracene unit is bent with a dihedral angle between the benzene rings of 57.82?(8)°. The N atom of the pyrrolidine heterocycle, which has an envelope conformation with the N atom as the flap, exhibits a pronounced pyramidalization [?(C-N-C) = 328.07°], indicating an accentuated N-donor character. In the crystal, this behaviour is evident by the C-H?N hydrogen bond involving a solvent mol-ecule and the N atom. The absolute configuration at the C-atom fused positions of the pyrrolidine group were crystallographically confirmed to be S and R.

| S-EPMC3470235 | biostudies-other

Resorcinol ninhydrin complex: 1,5,9-trihy-droxy-8-oxatetra-cyclo-[7.7.0.0(2,7).0(10,15)]hexa-deca-2,4,6,10(15),11,13-hexaen-16-one.

Project description:In the title compound, C(15)H(10)O(5), the cyclo-penta-none (r.m.s. deviation = 0.049 Å) and oxolane (r.m.s. deviation = 0.048 Å) rings make a dihedral angle of 67.91 (4)°. An intra-molecular O-H⋯O hydrogen bond is observed. In the crystal, mol-ecules associate via O-H⋯O hydrogen bonds, forming a three-dimensional network.

| S-EPMC3344462 | biostudies-literature

8-Phenyl-16-thia-penta-cyclo-[6.6.5.0(1,18).0(2,7).0(9,14)]nona-deca-2,4,6,9,11,13,18-hepta-ene.

Project description:In the title compound, C24H18S, the dihedral angles between the phenyl ring and the two benzene rings of the anthracene moiety are 51.92 (9) and 68.24 (9)°, whereas the dihedral angle between the two anthracene benzene rings is 120.13 (9)°. The three non-aromatic six-membered rings are in boat conformations, while the five-membered ring has an envelope conformation on the S atom. In the crystal, there are three C-H⋯π inter-actions, which facilitate the packing of the mol-ecules.

| S-EPMC3770424 | biostudies-literature

25,26-Bis(propan-2-yl-idene)hepta-cyclo[20.2.1.1(10,13).0(2,21).0(3,8).0(9,14).0(15,20)]hexa-cosa-2(21),3,5,7,9(14),11,15,17,19,23-deca-ene.

Project description:In the title compound, C(32)H(28), the central cyclo-octa-tetra-ene ring has a boat conformation, and the mol-ecule is saddle shaped. The seat is defined by the mean plane of the four-atom attachment points (r.m.s. deviation = 0.014?Å) of the two bicyclo-heptenyl substituents. These substituents comprise the pommel and cantle, with each mean plane defined by four atoms proximate to the seat (r.m.s. deviations = 0.002 and 0.004?Å). Relative to the seat, the pommel and cantle bend up 31.16?(4) and 29.40?(5)°, while the benzo units (flaps, r.m.s. deviations = 0.006 and 0.009?Å) bend down 36.75?(4) and 38.46?(4)°. The mean planes of the dimethyl-ethyl-idene units are almost perpendicular to the saddle seat, making dihedral angles 86.89?(4) and 88.01?(4)°.

| S-EPMC3344665 | biostudies-literature

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.

Project description: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).

| S-EPMC3588369 | biostudies-literature

4,9,12,15-Tetra-oxa-3,5,8,10,14,16-hexa-aza-tetra-cyclo-[11.3.0.0.0]hexa-deca-1(16),2,5,7,10,13-hexaen-3-ium-3-olate monohydrate.

Project description:The organic mol-ecule in the title monohydrate, C(6)N(6)O(5)·H(2)O, presents an almost planar configuration, the greatest deviation from the least-squares plane through the atoms being 0.061 (1) Å for the O atom within the seven-membered ring. Each water H atom is bifurcated, one forming two O-H⋯N hydrogen bonds and the other forming O-H⋯N,O hydrogen bonds. The result of the hydrogen bonding is the formation of supra-molecular layers with a zigzag topology that stack along [001].

| S-EPMC3297919 | biostudies-literature

24-Acetyl-8,11,14-trioxa-24,27-diaza-penta-cyclo-[19.5.1.1(22,26).0(2,7).0(15,20)]octa-cosa-2,4,6,15(20),16,18-hexaen-28-one.

Project description:The title compound, C(25)H(28)N(2)O(5), is a product of the Petrenko-Kritchenko condensation of N-acetyl-piperidone with 1,5-bis-(2-formyl-phen-oxy)-3-oxapentane and ammonium acetate. The mol-ecule comprises a fused penta-cyclic system containing an aza-14-crown-3-ether macrocycle, two piperidone and two benzene rings. The aza-14-crown-3-ether ring adopts a bowl conformation. The dihedral angle between the benzene rings fused to the aza-14-crown-4-ether unit is 70.18 (4)°. The central piperidone ring has a boat conformation, whereas the terminal piperidone ring adopts a chair conformation. The conformation of the central piperidone ring is determined by two intra-molecular N-H⋯O hydrogen bonds. In the crystal, mol-ecules are linked by weak C-H⋯O inter-actions into chains along [010].

| S-EPMC3393972 | biostudies-literature

8,13,26-Trioxa-23-thia-21-aza-penta-cyclo-[18.6.0.0(2,7).0(14,19).0(21,25)]hexa-cosa-2(7),3,5,14,16,18-hexa-ene.

Project description:In the title compound, C21H23NO3S, both the thia-zole and oxazolidine rings adopt twist conformations. The mean plane of the thia-zole ring makes a dihedral angle of 61.02 (7)° with the oxazolidine ring mean plane, and dihedral angles of 22.72 (6) and 75.07 (6)° with the benzene rings. The benzene rings are almost perpendicular to one another, making a dihedral angle of 89.14 (6)°. There are bifurcated intra-molecular C-H⋯O hydrogen bonds in the mol-ecular structure. In the crystal, mol-ecules are linked via C-H⋯π inter-actions, forming chains propagating along [100].

| S-EPMC3685049 | biostudies-literature

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