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7-Benzyl-3-(4-chloro-phen-yl)-2-isobutyl-amino-5,6,7,8-tetra-hydro-pyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4(3H)-one.

ABSTRACT: In the title compound, C(26)H(27)ClN(4)OS, the thienopyrimidine fused-ring system is close to coplanar (r.m.s. deviation = 0.0089?Å), with a maximum deviation of 0.0283?(17)?Å for the N atom adjacent to the benzene ring. This ring system forms dihedral angles of 83.51?(3) and 88.20?(5)° with the adjacent benzyl and phenyl rings, respectively. In the crystal, N-H?Cl inter-actions and C-H?O hydrogen bonds are observed.

SUBMITTER: Chen H

PROVIDER: S-EPMC3297883 | biostudies-other | 2012 Mar

REPOSITORIES: biostudies-other

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7-Benzyl-3-(4-chloro-phen-yl)-2-isobutyl-amino-5,6,7,8-tetra-hydro-pyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4(3H)-one.

Chen Hong H Liao Quan-Bin QB

Acta crystallographica. Section E, Structure reports online 20120224 Pt 3

In the title compound, C(26)H(27)ClN(4)OS, the thienopyrimidine fused-ring system is close to coplanar (r.m.s. deviation = 0.0089 Å), with a maximum deviation of 0.0283 (17) Å for the N atom adjacent to the benzene ring. This ring system forms dihedral angles of 83.51 (3) and 88.20 (5)° with the adjacent benzyl and phenyl rings, respectively. In the crystal, N-H⋯Cl inter-actions and C-H⋯O hydrogen bonds are observed. ...[more]

PMID: 22412686

Similar Datasets

7-Benzyl-3-(4-fluoro-phen-yl)-2-propyl-amino-5,6,7,8-tetra-hydro-pyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4(3H)-one.

Project description:In the title compound, C(25)H(25)FN(4)OS, the thienopyrimidine fused-ring system is close to planar (r.m.s. deviation = 0.0089?Å), with a maximum deviation of 0.0261?(17)?Å for the N atom adjacent to the benzene ring. This thienopyrimidine fused-ring system forms dihedral angles of 64.73?(3) and 81.56?(5)° with the adjacent benzyl and fluoro-phenyl rings, respectively. Inter-molecular N-H?F and C-H?F hydrogen bonding, as well as C-F?? inter-actions [F?centroid = 3.449?(3)?Å; C-F?centroid = 91.87?(15)°], help to stabilize the crystal structure.

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3,5,6-Trimethyl-thieno[2,3-d]pyrimidin-4(3H)-one.

Project description:In the title compound, C(9)H(10)N(2)OS, the thienopyrimidine ring system is almost planar [greatest deviation from the mean plane = 0.0318 (13) Å for the S atom]. The crystal packing features C-H⋯O hydrogen bonds and π-π stacking inter-actions between inversion-related pairs of mol-ecules with a centroid-centroid distance of 3.530 (3) Å.

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Project description:In the title compound, C(20)H(22)N(2)O(2)S, the central thieno-pyrimidine ring system is essentially planar, with a maximum displacement of 0.023 (2) Å. The attached cyclo-hexene ring is disordered over two possible conformations, with an occupancy ratio of 0.776 (12):0.224 (12). Neither inter-molecular hydrogen-bonding inter-actions nor π-π stacking inter-actions are present in the crystal structure. The mol-ecular conformation and crystal packing are stabilized by three intra-molecular C-H⋯O hydrogen bonds and two C-H⋯π inter-actions.

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2-(Dibutyl-amino)-3-(4-fluoro-phen-yl)-5,6,7,8-tetra-hydro-7-methyl-6,8-di-phenyl-pyridine-[3',4':2,3]thieno[5,4-d]pyrimidin-4(3H)-one.

Project description:In the crystal structure of the title compound, C(36)H(39)FN(4)OS, the two fused rings of the thienopyrimidine system are coplanar. The 4-fluoro-phenyl ring is twisted with respect to the heterocyclic pyrimidinone ring by 67.21 (14)°. The piperidine ring shows a half-chair conformation. One of the n-butyl chains is disordered equally over two sites. The crystal packing is stabilized by C-H⋯O hydrogen bonds.

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Crystal structure of ethyl 2-phenyl-4-(prop-2-yn-1-yl-oxy)-5,6,7,8-tetra-hydro-pyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7-carboxyl-ate.

Project description:In the title compound, C21H19N3O3S, the 5,6,7,8-tetra-hydro-pyridine ring adopts a half-chair conformation. The fused-thieno[2,3-d]pyrimidine ring system is essentially planar (r.m.s. deviation = 0.001?Å) and forms a dihedral angle of 2.66?(6)° with the attached phenyl ring. The three-dimensional crystal packing is stabilized by C-H?O and C-H?N hydrogen bonds and C-H?? inter-actions.

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2-(4-Bromo-phen-oxy)-3-isopropyl-5,6,7,8-tetra-hydro-1-benzothieno[2,3-d]pyrimidin-4(3H)-one.

Project description:In the title compound, C(19)H(19)BrN(2)O(2)S, the central thieno-pyrim-idine ring system is essentially planar, with a maximum displacement of 0.068 (3) Å. The attached cyclo-hexene ring adopts a half-chair conformation. The molecular conformation and crystal packing are stabilized by three intra-molecular C-H⋯O hydrogen bonds and two C-H⋯π inter-actions.

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