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Hydrazines (R 2 N−NR 2) are a class of chemical compounds with two nitrogen atoms linked via a covalent bond and which carry from one up to four alkyl or aryl substituents. . Hydrazines can be considered as derivatives of the inorganic hydrazine (H 2 N−NH 2), in which one or more hydrogen atoms have been replaced by hydrocarbon grou
Hydrazine is an inorganic compound with the chemical formula N 2 H 4.It is a simple pnictogen hydride, and is a colourless flammable liquid with an ammonia-like odour.Hydrazine is highly hazardous unless handled in solution as, for example, hydrazine hydrate (N 2 H 4 ·xH 2 O).
Print/export Download as PDF; Printable version; ... Acetone azine can be prepared from acetone and hydrazine: [3] 2 (CH 3) 2 CO + N 2 H 4 → 2 H 2 O + ...
Hydrazine sulfate is also a monoamine oxidase inhibitor (MAOI), [37] and is incompatible with alcohol, tranquilizers and sleeping pills (benzodiazepines and barbiturates), and other psycho-active drugs, with pethidine (meperidine, Demerol), and with foods containing significant amounts of the amino acid breakdown product tyramine, such as aged ...
diazane (or hydrazine), N 2 H 4 - two nitrogen and four hydrogen triazane, N 3 H 5 - three nitrogen and five hydrogen. Azanes with three or more nitrogen atoms are named by adding the suffix-azane to the appropriate numerical multiplier prefix. Hence, triazane, N 3 H 5; tetrazane or tetraazane, N 4 H 6; pentazane or pentaazane, N 5 H 7 ...
Ketazines are also important intermediates in the industrial production of hydrazine hydrate by the peroxide process. [3] In the presence of an oxidant, ammonia and ketones react to give hydrazine via ketazine: 2 Me(Et)C=O + 2 NH 3 + H 2 O 2 → Me(Et)C=NN=C(Et)Me + 2 H 2 O. The ketazine can be hydrolyzed to the hydrazine and regenerate the ketone:
The main advantage of the peroxide process to hydrazine relative to the traditional Olin Raschig process is that it does not coproduce salt. In this respect, the peroxide process is an example of green chemistry. Since many millions of kilograms of hydrazine are produced annually, this method is of both commercial and environmental significance ...
When derived from hydrazine itself, hydrazones condense with a second equivalent of a carbonyl to give azines: [10] R 2 C=N−NH 2 + R 2 C=O → R 2 C=N−N=CR 2 + H 2 O. Hydrazones are intermediates in the Wolff–Kishner reduction. Hydrazones are reactants in hydrazone iodination, the Shapiro reaction, and the Bamford–Stevens reaction to ...