نتایج جستجو برای: mono substituted benzene
تعداد نتایج: 76388 فیلتر نتایج به سال:
In the title compound, C(24)H(18)O(3), the dihedral angles between the mean planes of the five-membered furan ring and the meth-oxy-substituted benzene and the adjacent and outer biphenyl benzene rings are 2.43 (7), 4.48 (7) and 30.47 (8)°, respectively. The crystal packing is stabilized by weak C-H⋯O and C-H⋯π inter-molecular hydrogen bonds and π-π stacking inter-actions [centroid-centroid dis...
In the title compound, C(14)H(14)N(2)O(3), the nitro group is nearly coplanar with the benzene ring to which it is bonded [dihedral angle = 1.70 (2)°], and this ring is para-substituted by the amino-methyl-ene group. The dihedral angle between the benzene rings is 57.8 (1)°. The crystal structure is stabilized by N-H⋯O and C-H⋯O hydrogen bonds and weak C-H⋯π inter-actions are also observed.
In the title compound, C(17)H(12)Cl(2)N(6)O(3), the 1H-1,2,3-triazole ring [maximum deviation = 0.003 (1) Å] forms dihedral angles of 34.08 (6) and 28.38 (6)°, respectively, with the nitro- and dichloro-substituted benzene rings. The dihedral angle between the benzene rings is 6.68 (5)°. In the crystal, C-H⋯O hydrogen bonds link the mol-ecules into chains running parallel to the a axis.
In the title compound, C(33)H(24)F(2)O(3), the central benzene ring makes dihedral angles of 44.71 (10), 47.80 (10) and 63.68 (9)° with the two fluoro-substituted benzene rings and the naphthalene ring system, respectively. In the crystal, mol-ecules are connected via inter-molecular C-H⋯F and C-H⋯O hydrogen bonds. Furthermore, the crystal structure is stabilized by weak C-H⋯π and π-π inter-act...
In the title compound, C(21)H(16)F(2)N(2), the dihedral angle between the fluoro-phenyl groups is 66.34 (8)°, and the dihedral angle between the envelope-configured pyrazole group (N/N/C/C/C) and the benzene ring is 11.50 (9)°. The dihedral angles between the benzene and the two fluoro-substituted phenyl groups are 77.7 (6) and 16.7 (5)°. Weak C-H⋯π interactions contribute to the stability of t...
The CoI2(PPh3)2/Zn system effectively catalyzes the [2 + 2 + 2] ene-diyne cycloaddition of 1,6-heptadiynes with allenes in a highly regio- and chemoselective fashion to yield substituted benzene derivatives in good to excellent yields.
The transformations of metallabenzene to substituted benzenes have been achieved by reactions of osmabenzenes with silver/copper acetylides. In this investigation, novel tetraphenylphosphonium salts containing two phosphonium substituents on the same benzene ring are generated.
In the title compound, C(21)H(26)N(2)O(4), the dihedral angle between the substituted benzene rings is 30.47 (15) °. Two strong intra-molecular O-H⋯N hydrogen bonds generate two S(6) ring motifs.
A double-wall-hourglass-shaped metallocavitand bearing an electron-deficient cavity was self-assembled, which exhibited an unusual selectivity to substituted benzene derivatives of different electron density during co-crystallizations.
Four independent mol-ecules comprise the asymmetric unit of the title compound, C(17)H(14)N(2)O(2). The central pyrazoline ring is flanked by an N-bound benzene ring and a C-bound meth-oxy-substituted benzene ring. The greatest difference between the independent mol-ecules is found in the relative orientations of the benzene rings with the range of dihedral angles being 23.59 (6)-42.55 (6)°. In...
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