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10-(6-Hy-droxy-hexa-2,4-diyn-1-yl)-10H-phenothia-zine 5-oxide.

ABSTRACT: The title compound, C(18)H(13)NO(2)S, has two independent mol-ecules (A and B) with similar conformations in the asymmetric unit. Both phenothia-zine moieties have a butterfly structure [dihedral angles between benzene rings = 155.17 (7) and 161.71 (7)°, respectively], and the central six-membered rings have a boat form. In the crystal, the A and B mol-ecules stack alternately along the b axis. The A and B mol-ecules are linked by O-H⋯O=S hydrogen bonds, forming zigzag chains along [10-1].

SUBMITTER: Tabata H

PROVIDER: S-EPMC3394009 | biostudies-literature |

REPOSITORIES: biostudies-literature

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10-Acetyl-10H-phenothia-zine 5-oxide.

Project description:In the title compound, C(14)H(11)NO(2)S, the sulfoxide O atom is disordered over two sites with occupancies of 0.886?(4) and 0.114?(4), reflecting a partial inversion of the lone pair at the tetra-hedral S-atom site. In the crystal, a supra-molecular arrangement arises from weak inter-molecular C-H?O hydrogen bonds. ?-? contacts between the aromatic rings of symmetry-related mol-ecules [centroid-centroid distances = 3.7547?(15) and 3.9577?(15)?Å] in parallel accumulation further stabilize the crystal structure.

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10-Benzyl-10H-phenothia-zine 9-oxide.

Project description:In the title compound, C(19)H(15)NOS, the butterfly angle between the mean planes defined by the S, N and phenyl C atoms of the two wings of the phenothiazine unit is 23.4?(1)°. In the crystal, a supra-molecular two-dimensional arrangement arises from weak inter-molecular C-H?O inter-actions.

| S-EPMC2977256 | biostudies-literature

10-(Prop-2-yn-yl)-10H-phenothia-zine.

Project description:In the mol-ecule of the title compound, C(15)H(11)NS, the butterfly angle between the two planes defined by the two wings of the phenothia-zine unit is 33.5?(8)°. The dihedral angles between the two benzene rings and the propynyl group are 85?(4) and 63?(4)°.

| S-EPMC3009285 | biostudies-literature

10H-Phenothia-zine 5-oxide.

Project description:In the title compound, C(12)H(9)NOS, the sulfoxide O atom is disordered over two sites with occupancies of 0.907?(4) and 0.093?(4). The dihedral angle betweeen the two aromatic rings is 18.40?(14)°. Different types of supramolecular interactions including inter-molecular N-H?O hydrogen bonds and ?-? contacts [centroid-centroid distances = 3.9096?(16) and 4.1423?(16)?Å] between the aromatic rings of symmetry-related mol-ecules are observed in the crystal structure.

| S-EPMC3011726 | biostudies-literature

10-(Prop-1-yn-1-yl)-10H-phenothia-zine.

Project description:In the title compound, C(15)H(11)NS, the asymmetric unit comprises one half-mol-ecule; a mirror plane passes through the S atom, the ynamine fragment, the methyl C atom and one methyl H atom. The phenothia-zine moiety has a butterfly conformation and the central six-membered ring has a boat conformation. The dihedral angle between the benzene rings is 149.40?(4)°. The crystal structure is stabilized by van der Waals inter-actions.

| S-EPMC3435820 | biostudies-literature

10-Hexyl-10H-phenothia-zine-3-carbaldehyde.

Project description:The asymmetric unit of the title compound, C(19)H(21)NOS, contains two mol-ecules, which form dimers via pairs of weak C-H?O hydrogen bonds.

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10-Ethyl-10H-phenothia-zine-3-carbaldehyde.

Project description:In the title mol-ecule, C(15)H(13)NOS, the two benzene rings of the tricyclic fused-ring system are inclined at 21.1 (1)°. In the crystal, weak C-H⋯O hydrogen bonds link the mol-ecules into chains along [001]. The crystal packing also exhibits π-π inter-actions with a distance of 3.801 (5) Å between the centroids of the benzene rings of neighbouring mol-ecules.

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10-Ethyl-3-(5-methyl-1,3,4-oxadiazol-2-yl)-10H-phenothia-zine.

Project description:In the title compound, C(17)H(15)N(3)OS, the phenothia-zine ring system is slightly bent, with a dihedral angle of 13.68?(7)° between the benzene rings. The dihedral angle between the oxadiazole ring and the adjacent benzene ring is 7.72?(7)°. In the crystal, a ?-? inter-action with a centroid-centroid distance of 3.752?(2)?Å is observed between the benzene rings of neighbouring mol-ecules.

| S-EPMC3295441 | biostudies-literature

The cocrystal 10-(2-methyl-4-phenyl-1H-inden-6-yl)-10H-phenothia-zine-10-(2-methyl-7-phenyl-1H-inden-5-yl)-10H-phenothia-zine (0.54/0.46).

Project description:The title compound, 0.535C(28)H(21)NS.0.465C(28)H(21)NS, was synthesized by palladium-catalysed amination. The structure is composed of two isomeric mol-ecules, viz. 10-(2-methyl-4-phenyl-1H-inden-6-yl)-10H-phenothia-zine, and 10-(2-methyl-7-phenyl-1H-inden-5-yl)-10H-phenothia-zine, in the refined ratio 0.535?(12):0.465?(12). The isomers differ by the localization of the double bond in the cyclo-penta-diene ring. There are two sites in the structure that are occupied by the isomers. The respective isomers are occupationally disordered in each site, the refined proportions being 0.640?(6):0.360?(6) and 0.43?(1):0.57?(1). Moreover, each isomeric mol-ecule is chiral; due to the crystallographic centres of symmetry, the mol-ecules are also present in enanti-omeric pairs. The crystal structure is stabilized by weak ?-? [C?C = 3.389?(2)?Å] inter-actions.

| S-EPMC2959856 | biostudies-other

1-(10H-phenothia-zin-10-yl)ethanone.

Project description:In the title compound, C14H11NOS, the phenothia-zine unit has a butterfly conformation and the central six-membered ring has a boat form. The fold angle between the benzene rings is 46.39 (7)°, which is larger than found in similar compounds, probably as a result of steric repulsion between the phenothia-zine fragment and the acetyl group.

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