{4-[5-(4-tert-Butylphenyl)-1,3,4-oxadiazol-2-yl]phenyl}methanol
نویسندگان
چکیده
In the title compound, C(19)H(20)N(2)O(2), the 1,3,4-oxadiazole ring is almost coplanar with the two neighboring benzene rings [dihedral angles = 3.76 (4) and 5.49 (4)°]. In the crystal, mol-ecules are connected by strong inter-molecular O-H⋯N hydrogen bonds, forming chains parallel to the c axis.
منابع مشابه
2-(4-tert-Butylphenyl)-5-{3,4-dibutoxy-5-[5-(4-tert-butylphenyl)-1,3,4-oxadiazol-2-yl]-2-thienyl}-1,3,4-oxadiazole
In the title compound, C(36)H(44)N(4)O(4)S, the dihedral angles between the central thio-phene ring and the pendent oxadiazole rings are 12.7 (2) and 13.7 (2)°, and the dihedral angles between the oxadiazole rings and their adjacent benzene rings are 6.1 (2) and 17.5 (2)°. An intra-molecular C-H⋯O inter-action may help to establish the conformation.
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In the title compound, C(19)H(20)N(2)O, the dihedral angles between the 1,3,4-oxadiazole ring and the pendant 4-tert-butyl-phenyl and 4-methyl-phenyl rings are 12.53 (17) and 2.14 (17)°, respectively. In the crystal, mol-ecules are linked by C-H⋯N hydrogen bonds, forming chains.
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In the title compound, C18H21F3N4O4, the piperazine ring adopts a chair conformation and the dihedral angle between the oxa-diazole and benzene rings is 6.45 (14)°. The C atoms and their attached H atoms in the piperazine ring are disordered, with site-occupation factors of 0.576 (12) and 0.424 (12). In the crystal, mol-ecules are linked through weak C-H⋯O inter-actions, generating an R 2 (2)(1...
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In the title compound, C(24)H(30)ClN(3)O(2), the dihedral angle between the aromatic rings is 30.78 (10)°.
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In the title compound, C15H10BrN3O2S, the dihedral angles between the 1,3,4-oxa-diazole ring and the 3-pyridinyl and bromo-benzene rings are 12.17 (15) and 18.74 (15)°, respectively. In the crystal, the mol-ecules are linked into [100] chains by way of C-H⋯O, C-H⋯N, C-H⋯S hydrogen bonds. The Hirshfeld surface analysis indicates that the most important contributions to the packing are H⋯H (19.5%...
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