In the title compound, C(19)H(16)F(3)N(3), the dihedral angle between the naphthalene and quinoline ring systems is 14.58 (8)°. The hydrazone C-N-N=C-C chain is in an extended conformation and its mean plane is nearly coplanar with the quinoline plane [dihedral angle = 3.45 (9)°]. The bond angles within the phenyl ring show the almost additive influence of the two para substituents. In the crys...

In the title compound, C(18)H(15)N(3)O(2), the fused ring system is almost planar [the dihedral angle between the six-membered rings is 1.81 (6)°]. The 2-tolyl ring is approximately orthogonal to this plane [dihedral angle = 83.03 (7)°] as is the acetonitrile group [C-O-C-C torsion angle = 79.24 (14)°] which is also syn to the methyl substituent of the tolyl group. In the crystal, supra-molecul...

In the title compound, C28H23N3O, the 1,2,4-triazole ring deviates slightly from planarity adopting a (N3)TC2 conformation which is distorted towards an EC2 conformation. The plane around the ethyl-ene unit makes a dihedral angle of 17.32 (11)° with the mean plane [r.m.s. deviation = 0.036 (1) Å] of the 1,2,4-triazole fragment. The dihedral angles between the four phenyl rings and the 1,2,4-tri...

In the title compound, C(29)H(27)Cl(2)N(5)O(2)·C(4)H(8)O, the polycyclic system is composed of three parts: one central pyridine ring substituted by two functionalized pyrazoline rings. The dihedral angles between the central pyridine plane and pyrazoline planes are 5.11 (1) and 13.99 (1)°, whereas the dihedral angles between each chloro-phenyl plane and the attached pyrazoline planes are 88.65...

In the title compound, C(20)H(12)BrFO(2)S, the 4-fluoro-phenyl ring makes a dihedral angle of 2.63 (6)° with the mean plane of the benzofuran fragment. The dihedral angle between the phenyl ring and the mean plane of the benzofuran fragment is 84.60 (6)°. In the crystal, mol-ecules are linked by weak inter-molecular C-H⋯O hydrogen bonds, and slipped π-π inter-actions between the benzene rings o...

In the title compound, C20H16O3, the hydro-pyran ring adopts a distorted half-chair conformation with the methine C atom and the ring O atom displaced by -0.554 (2) and 0.158 (1) Å, respectively, from the plane of the other four atoms (r.m.s. deviation = 0.020 Å). Its mean plane (all atoms) is inclined to the naphthalene ring system at a dihedral angle of 11.67 (1)°. The dihedral angle between ...

The title compound, C(17)H(15)NO, exists in a Z conformation. The dihedral angle between the O-bonded benzene ring and the vinyl plane is 80.97 (18)° while the dihedral angle between the rings is 80.06 (10)°. In the crystal structure, no classical hydrogen bonds occur.

In the title compound, C(30)H(31)NO(6)S, the plane of the N-phthalimido group is nearly orthogonal to the least-squares plane of the sugar ring (defined by atoms C2, C3, C5 and O5 using standard glucose nomenclature), making a dihedral angle of 72.8 (1)°. The thio-ethyl group has the exo-anomeric conformation. The hy-droxy group forms an inter-molecular hydrogen bond to the O atom in the sugar ...

In the title compound, C(28)H(22)ClFN(6)O(2), the piperazine ring adopts a chair conformation and the least-squares plane through the four coplanar atoms forms dihedral angles of 69.37 (13) and 56.56 (12)°, respectively, with the pyrazole and cyano-phenyl rings. The dihedral angles formed between the pyrazole and the attached fluoro- and chloro-phenyl rings are 34.16 (10) and 73.27 (12)°, respe...

In the title compound, C(28)H(26)N(4)O(4), the tetra-hydro-pyridine ring adopts a boat conformation. The two phenyl rings form dihedral angles of 88.64 (8) and 59.28 (10)° with the best plane through the tetra-hydro-pyridine ring. The dihedral angle between the two phenyl rings is 82.55 (10)°. The benzotriazole ring system is essentially planar, with a maximum deviation of 0.009 (1) Å from the ...