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3-(4-Amino-phen-yl)-5-(4-meth-oxy-phen-yl)-4,5-di-hydro-1H-pyrazole-1-carbo-thio-amide.

ABSTRACT: In the mol-ecule of title pyrazoline derivative, C17H18N4OS, the pyrazole ring adopts an envelope conformation with the flap atom, which bears the meth-oxy-phenyl substituent, displaced by 0.0750?(12)?Å from the plane through the other ring atoms. The two substituted benzene rings make a dihedral angle of 70.59?(6)°. The meth-oxy group is twisted slightly with respect to the attached benzene ring [Cmeth-yl-O-C-C torsion angle = -8.84?(15)°]. An intra-molecular N-H?N hydrogen bond occurs. In the crystal, the pyrazoline mol-ecules are linked by N-H?O and N-H?S hydrogen bonds into zigzag layers parallel to the bc plane and stacked along the a axis by ?-? inter-actions with centroid-centroid distances of 3.4690?(7) and 3.5792?(7)?Å. C-H?? inter-actions are also present.

SUBMITTER: Suwunwong T

PROVIDER: S-EPMC3793732 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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3-(4-Amino-phen-yl)-5-(4-meth-oxy-phen-yl)-4,5-di-hydro-1H-pyrazole-1-carbo-thio-amide.

Suwunwong Thitipone T Chantrapromma Suchada S Chidan Kumar C S CS Fun Hoong-Kun HK

Acta crystallographica. Section E, Structure reports online 20130710 Pt 8

In the mol-ecule of title pyrazoline derivative, C17H18N4OS, the pyrazole ring adopts an envelope conformation with the flap atom, which bears the meth-oxy-phenyl substituent, displaced by 0.0750 (12) Å from the plane through the other ring atoms. The two substituted benzene rings make a dihedral angle of 70.59 (6)°. The meth-oxy group is twisted slightly with respect to the attached benzene ring [Cmeth-yl-O-C-C torsion angle = -8.84 (15)°]. An intra-molecular N-H⋯N hydrogen bond occurs. In the ...[more]

PMID: 24109319

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Project description:In the title compound, C(35)H(32)N(4)O(4), the pyrazole ring forms a dihedral angle of 15.04?(8)° with the adjacent pyrimidine ring. The pyrimidine ring forms dihedral angles of 9.95?(8) and 1.86?(7)° with its adjacent meth-oxy-substituted benzene rings, whereas the equivalent angles are 80.24?(9) and 11.55?(9)° for the pyrazole ring and its adjacent benzene rings. The crystal packing features ?-? inter-actions, the centroid-centroid distance between the pyrimidine and methoxyphenyl rings being 3.604?(1)?Å. The pyrazole ring is nearly planar, with a maximum deviation of 0.020?(3)?Å for the -CH(2)- carbon.

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Project description:The asymmetric unit of the title compound, C18H18ClN3OS·C2H5OH, comprises a pyrazoline derivative and an ethanol solvent mol-ecule. In the mol-ecule of the pyrazoline derivative, the pyrazole ring adopts an envelope conformation with the C atom bearing the eth-oxy-phenyl substituent as the flap. The dihedral angle between the benzene rings is 74.22?(7)°. The eth-oxy group is coplanar with the attached benzene ring [C-O-C-Cmeth-yl = 175.50?(11)° and r.m.s. deviation = 0.0459?(1)?Å for the nine non-H atoms]. In the crystal, the pyrazoline mol-ecules are linked by N-H?Oeth-oxy hydrogen bonds into chains along the c axis and are further linked with the solvent ethanol mol-ecules by N-H?Oethanol and Oethanol-H?S hydrogen bonds. C-H?? inter-actions are also present.

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