Synonyms: 2-(4-Aminophenyl)pyridine
There are two molecules in the asymmetric unit of the title compound, C11H9ClN2, with dihedral angles of 41.84 (12) and 49.24 (12)° between the aromatic ring planes. The two molecules form a dimer via a pair of N-HN hydrogen bonds.The title compound, C13H14N4, adopts a trans configuration about the azo bond. There is a dihedral angle of 12.18 (7)° between the pyridine and benzene rings and the mean plane of the dimethylamino substituent is twisted by 6.1 (2)° relative to the benzene ring. In the crystal, weak intermolecular C—HN hydrogen bonds result in a zigzag arrangement along [010].2-Chloropyrazine (0.11 g, 0.1 mmol) and 4-chloroaniline (0.13 g, 0.1 mmol) were heated at 423–433 K for 5 h. The mixture was cooled and dissolved in water. The solution was extracted with ether. The ether extract was dried over sodium sulfate and the solvent evaporated to yield a dark brown compound. Colourless rods of (I) were separated manually.
Molecular Formula: C11H10N2
Molecular Weight : 170.21
CAS Registry Number : 18471-73-3
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