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Phenylhydroxylamine is unstable to heating, and in the presence of strong acids easily rearranges to 4-aminophenol via the Bamberger rearrangement.Oxidation of phenylhydroxylamine with dichromate gives nitrosobenzene.
1-Phenylethylamine may be prepared by the reductive amination of acetophenone: [1]. C 6 H 5 C(O)CH 3 + NH 3 + H 2 → C 6 H 5 CH(NH 2)CH 3 + H 2 O. The Leuckart reaction, using ammonium formate, is another method for this transformation.
Alternative syntheses are outlined in the footnotes to this preparation. [22] A much more convenient method for the synthesis of β-phenethylamine is the reduction of ω-nitrostyrene by lithium aluminium hydride in ether, whose successful execution was first reported by R. F. Nystrom and W. G. Brown in 1948. [23]
Diphenylamine is produced by the thermal deamination of aniline over oxide catalysts: 2 C 6 H 5 NH 2 → (C 6 H 5) 2 NH + NH 3. It is a weak base, with a K b of 10 −14. With strong acids, it forms salts. For example, treatment with sulfuric acid gives the bisulfate [(C 6 H 5) 2 NH 2] + [HSO 4] − as a white or yellowish powder with m.p. 123 ...
p-Phenylenediamine (PPD) is an organic compound with the formula C 6 H 4 (NH 2) 2.This derivative of aniline is a white solid, but samples can darken due to air oxidation. [1] It is mainly used as a component of engineering polymers and composites like kevlar.
Benzylamine, also known as phenylmethylamine, is an organic chemical compound with the condensed structural formula C 6 H 5 CH 2 NH 2 (sometimes abbreviated as PhCH 2 NH 2 or BnNH 2).It consists of a benzyl group, C 6 H 5 CH 2, attached to an amine functional group, NH 2.
Using a β 2 adrenergic receptor preparation derived from transfected HEK 293 cells, Liappakis and co-workers [18] found that in wild-type receptors, racemic phenylethanolamine [19] had ~ 1/400 x the affinity of epinephrine, and ~ 1/7 x the affinity of norepinephrine in competition experiments with 3 [H]-CGP-12177. [20]
It is a colorless liquid, although, like many amines, samples are often colored due to contaminants. It has a fishy odor and is miscible with water. Like other amines, it is a weak base, compared to strong bases such as NaOH, but it is a stronger base than its aromatic analog, aniline.