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N-[4-(Prop-2-yn-yloxy)phen-yl]maleimide.

ABSTRACT: In the title compound, C(13)H(9)NO(3), the dihedral angle between the benzene and maleimide rings is 64.1 (2)°. In the crystal structure, mol-ecules interact via C-H⋯O inter-actions.

SUBMITTER: Li ZX

PROVIDER: S-EPMC2967977 | biostudies-literature |

REPOSITORIES: biostudies-literature

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9,9-Bis[4-(prop-2-yn-yloxy)phen-yl]-9H-fluorene.

Project description:In the title compound, C(31)H(22)O(2), the bond angle at the C atom belonging to the five-membered ring of the fluorene system is opened to 112.64?(12)°. The two benzene rings are twisted with respect to the fluorene ring system at dihedral angles of 72.81?(6) and 81.83?(6)°. One C(ar-yl)-O-C-C fragment is extended, with a C-O-C-C torsion angle of -178.77?(13)°, but the other C(ar-yl)-O-C-C fragment is bent, with a C-O-C-C torsion angle of 64.78?(19)°. Inter-molecular weak C-H?O hydrogen bonding is present in the crystal structure.

| S-EPMC3007235 | biostudies-other

Bis[3-(2H-benzotriazol-2-yl)-2-(prop-2-yn-yloxy)-5-(2,4,4-trimethyl-pentan-2-yl)phen-yl]methane.

Project description:In the title compound, C(47)H(54)N(6)O(2), the C-C-C bond angle between the rings is 108.40 (13)°. One aryl ring aligned at 38.5 (1)° with respect to the N-heterocyclic substituent and the other at 56.0 (1)° with respect to its substituent. In the crystal, adjacent mol-ecules are linked by C-H⋯N hydrogen bonds, forming a chain extending along the a axis.

| S-EPMC3051933 | biostudies-literature

Crystal structure of (Z)-3-[5-chloro-2-(prop-2-yn-yloxy)phen-yl]-3-hy-droxy-1-[4-(tri-fluoro-meth-yl)phen-yl]-prop-2-en-1-one.

Project description:The title compound, C19H12ClF3O3, obtained by the photochemical transformation of 2-[5-chloro-2-(prop-2-yn-yloxy)benzo-yl]-3-[4-(tri-fluoro-meth-yl)phen-yl]oxirane adopts a Z conformation with respect to the enolic C=C double bond. The dihedral angle between the benzene rings is 12.25 (16)° and an intra-molecular O-H⋯O hydrogen bond closes an S(6) ring. An intra-molecular C-H⋯O inter-action also leads to an S(6) ring. In the crystal, very weak C-H⋯O inter-actions and short Cl⋯Cl contacts [3.3221 (16) Å] are seen, as well as weak aromatic π-π stacking inter-actions [centroid-centroid separation = 3.879 (2) Å].

| S-EPMC4571394 | biostudies-literature

4,4'-Bis(prop-2-yn-yloxy)biphen-yl.

Project description:The title compound, C(18)H(14)O(2), crystallizes with one half-mol-ecule in the asymmetric unit. The mol-ecule lies on an inversion center, located at the mid-point of the central C-C bond. As a result, the benzene rings are coplanar. No classical hydrogen bonds or stacking inter-actions are observed in the crystal structure.

| S-EPMC2915354 | biostudies-other

2,3-Bis(prop-2-yn-yloxy)naphthalene.

Project description:In the crystal structure of the title compound, C(16)H(12)O(2), no classical hydrogen bonds or aromatic ?-? stacking inter-actions were observed. The mol-ecules are linked into a three-dimensional framework by a combination of C-H?O and C-H??(arene) hydrogen bonds.

| S-EPMC2960027 | biostudies-literature

2,6-Bis(prop-2-yn-yloxy)naphthalene.

Project description:The title compound, C(16)H(12)O(2), crystallizes with one half-mol-ecule in the asymmetric unit. The mol-ecule lies on an inversion centre, located at the mid-point of the naphthyl group. All non-H atoms are almost coplanar, with a mean deviation from the least-squares plane of 0.0536?(11)?Å. Mol-ecules are linked into a three-dimensional framework by a combination of C-H?O and C-H??(arene) hydrogen bonds.

| S-EPMC2959568 | biostudies-literature

2,2'-Bis(prop-2-yn-yloxy)-1,1'-binaphth-yl.

Project description:In the title compound, C(26)H(18)O(2), the mol-ecule is located on a twofold rotation axis. The two naphthyl ring planes in the mol-ecule are nearly perpendicular to each other [dihedral angle = 82.42?(1)°. No classical hydrogen bonds or aromatic ?-? stacking inter-actions were observed.

| S-EPMC2915361 | biostudies-other

3-(10-Chloro-9-anthr-yl)-5-[3-(prop-2-yn-yloxy)phenoxy-meth-yl]isoxazole.

Project description:In the title mol-ecule, C(27)H(18)ClNO(3), the anthracene mean plane forms dihedral angles of 67.43?(2) and 15.75?(3)° with the isoxazole and benzene rings, respectively. In the crystal structure, C-H?? inter-actions link mol-ecules into centrosymmetric dimers, which are further linked by weak inter-molecular C-H?N hydrogen bonds into ribbons propagating in the [110] direction.

| S-EPMC2969672 | biostudies-literature

Bis[5-chloro-2-(prop-2-yn-1-yl-oxy)phen-yl]methane.

Project description:The mol-ecule of the title compound, C(19)H(14)Cl(2)O(2), has two benzene rings connected to a methyl-ene C atom, and the rings are aligned at 66.3?(1)°. Inter-molecular C-H?? and ?-? stacking inter-actions are observed in the crystal structure, the centroid-centroid distances between parallel benzene rings being 3.7529?(12) and 3.6201?(12)?Å, respectively.

| S-EPMC3051580 | biostudies-literature

tert-Butyl N-(4-hy-droxy-benz-yl)-N-[4-(prop-2-yn-yloxy)benz-yl]carbamate.

Project description:In the crystal structure of the title compound, C(22)H(25)NO(4), inter-molecular O-H?O hydrogen bonds involving the hy-droxy group of the 4-(amimometh-yl)phenol fragment and the C=O group connect the mol-ecules into infinite chains along the c axis. Two C atoms of the propyne group are disordered over two sites with occupancy factors of 0.53?(2) and 0.47?(2).

| S-EPMC3201299 | biostudies-literature

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