5-(2-Fluoro-4-nitrophenyl)-1,3,4-thiadiazole-2-amine
نویسندگان
چکیده
The title compound, C(8)H(5)FN(4)O(2)S, was synthesized by the reaction of 2-fluoro-4-nitro-benzoic acid and thio-semicarbazide. The dihedral angle between the thia-diazole and benzene rings is 27.1 (2)°. In the crystal, inter-molecular N-H⋯N and C-H⋯O hydrogen bonds link the mol-ecules.
منابع مشابه
5-(4-Bromo-2-nitrophenyl)-1,3,4-thiadiazol-2-amine
The title compound, C(8)H(5)BrN(4)O(2)S, was synthesized by the reaction of 4-bromo-2-nitro-benzoic acid with thio-semi-carbazide. The dihedral angle between the thia-diazole and benzene rings is 40.5 (2)°. In the crystal, the strongest N-H⋯N inter-molecular hydrogen bond, between the amine group and one thia-diazole N atom, forms centrosymmetric dimers. The other amine H atom extends the supra...
متن کامل3-[5-(4-Fluorophenyl)-1,3,4-thiadiazol-2-yl]-2-(4-methoxyphenyl)-1,3-thiazolidin-4-one
The title compound, C(18)H(14)FN(3)O(2)S(2), was synthesized by the reaction of 5-(4-fluoro-phen-yl)-N-(4-methoxy-benzyl-idene)-1,3,4-thia-diazol-2-amine and mercaptoacetic acid. The thia-zolidinone ring adopts a twist conformation. The 4-methoxy-phenyl ring is almost perpendicular to the thia-diazole ring, making a dihedral angle of 88.4 (3)°. The 4-fluoro-phenyl ring is nearly coplanar with t...
متن کامل4-(4-Fluorophenyl)-1-(4-nitrophenyl)-3-(pyridin-4-yl)-1H-pyrazol-5-amine
In the crystal structure of the title compound, C(20)H(14)FN(5)O(2), the pyrazole ring forms dihedral angles of 59.3 (2), 25.6 (2) and 46.0 (2)° with the directly attached 4-fluoro-phenyl, pyridine and nitro-phenyl rings, respectively. The crystal packing is characterized by inter-molecular N-H⋯N and N-H⋯O hydrogen bonds.
متن کاملDiethyl {(4-methoxyphenyl)[5-(4-nitrophenyl)-1,3,4-thiadiazol-2-ylamino]methyl}phosphonate
The title compound, C(20)H(23)N(4)O(6)PS, was synthesized by the reaction of N-(4-methoxy-benzyl-idene)-5-(4-nitro-phen-yl)-1,3,4-thia-diazol-2-amine and diethyl phosphite. The thia-diazole and nitro-substituted phenyl rings in the mol-ecule are approximately coplanar, the dihedral angle being 5.3 (2)°. The dihedral angle formed by the mean plane through all non-H atoms of both the thia-diazole...
متن کامل2-(4-Fluorobenzylidene)-N-(4-methoxybenzylidene)-1,3,4-thiadiazol-2-amine
The title compound, C(16)H(12)FN(3)OS, was synthesized by the reaction of 5-(4-meth-oxy-phen-yl)-1,3,4-thia-diazol-2-amine and 4-fluoro-benzaldehyde. An intra-molecular C-H⋯S hydrogen bond results in the formation of two five-membered rings. In the crystal structure, inter-molecular C-H⋯N hydrogen bonding links the mol-ecules, forming a two-dimensional network.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره 65 شماره
صفحات -
تاریخ انتشار 2009