N′-[(E)-3-Bromobenzylidene]pyrazine-2-carbohydrazide
نویسندگان
چکیده
منابع مشابه
N′-[(E)-3-Bromobenzylidene]pyrazine-2-carbohydrazide
In the title compound, C12H9BrN4O, the dihedral angle between the aromatic rings is 12.16 (12)°. An intra-molecular N-H⋯N hydrogen bond closes an S(5) ring. In the crystal, C-H⋯O hydrogen bonds link the mol-ecules into C(6) chains propagating in [010]. Very weak aromatic π-π stacking [centroid-centroid separations = 3.9189 (15) and 3.9357 (15) Å] is also observed.
متن کامل(E)-3-Chloro-N′-(2-fluorobenzylidene)thiophene-2-carbohydrazide
The title compound, C12H8ClFN2OS, is a hydrazide derivative adopting an E conformation with an azomethine N=C double bond length of 1.272 (2) Å. The mol-ecular skeleton is approximately planar; the terminal five- and six-membered rings form a dihedral angle of 5.47 (9)°. In the crystal, mol-ecules are linked by N-H⋯O and C-H⋯O hydrogen bonds into zigzag chains propagating in [100].
متن کامل(E)-N′-(2-Hydroxybenzylidene)furan-2-carbohydrazide
In the title compound, C(12)H(10)N(2)O(3), the dihedral angle between the benzene ring and the furan ring is 16.12 (13)°. The conformation is stabilized by an intra-molecular O-H⋯N hydrogen bond. Inter-molecular N-H⋯O hydrogen bonds with the keto group as acceptor lead to strands along [001]. The mol-ecule displays a trans configuration with respect to the C=N and N-N bonds.
متن کاملN′-[(E)-2-Hydroxy-3,5-diiodobenzylidene]pyridine-3-carbohydrazide
In the title compound, C(13)H(9)I(2)N(3)O(2), the dihedral angle between the two aromatic rings is 10.5 (2)°. The mol-ecule displays a trans configuration with respect to the C=N bond. An intra-molecular O-H⋯N hydrogen bond occurs. The crystal packing is stabilized by N-H⋯O and C-H⋯O hydrogen bonds.
متن کاملN′-[(E)-2-Methoxybenzylidene]pyrazine-2-carbohydrazide
In the title compound, C(13)H(12)N(4)O(2), all the non-H atoms lie on a crystallographic mirror plane and an intra-molecular N-H⋯N hydrogen bond generates an S(5) ring; the conformation about the imine bond [1.280 (3) Å] is E. In the crystal, mol-ecules assemble into a two-dimensional array via C-H⋯O(carbon-yl) and C-H⋯N(pyrazine) contacts. Layers stack along the b-axis direction via weak π-π i...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2013
ISSN: 1600-5368
DOI: 10.1107/s1600536813027426