Synonyms: 3-Pyridyl bromide
CAS No.: 626-55-1
Formula: C5H4BrN
Molecular Weight: 157.9
Pyridine is a basal heterocyclic amoebic admixture with the actinic blueprint C5H5N. It is structurally accompanying to benzene, with one C-H accumulation replaced by a nitrogen atom. The pyridine ring occurs in abounding important compounds, including azines and the vitamins niacin and pyridoxal.
Pyridine is acclimated as a forerunner to agrochemicals and pharmaceuticals and is aswell an important bread-and-butter and reagent. Pyridine is added to booze to accomplish it clashing for bubbler (see Denatured alcohol). It is acclimated in the in vitro amalgam of DNA, in the amalgam of sulfapyridine (a biologic adjoin bacterial and viral infections), antihistaminic drugs tripelennamine and mepyramine, as able-bodied as baptize repellents, bactericides and herbicides. Some actinic compounds, although not actinic from pyridine, accommodate its ring structure. They cover B vitamins niacin and pyridoxal, an anti-tuberculosis biologic isoniazid, nicotine and added nitrogen-containing bulb products. Historically, pyridine was produced from atramentous tar and as a by-product of the atramentous gasification. However, added appeal for pyridine resulted in the development of added economical methods of amalgam from acetaldehyde and ammonia, and added than 20,000 tonnes per year are bogus worldwide.
Pyridine is miscible with baptize and around all amoebic solvents. It is abominably basic, and with hydrochloric acerbic it forms a apparent hydrochloride alkali which melts at 145–147 °C. Most actinic backdrop of pyridine are archetypal of a heteroaromatic compound. In amoebic reactions, pyridine behaves both as a tertiary amine, ability protonation, alkylation, acylation, and N-oxidation at the nitrogen atom, and as an ambrosial compound, ability nucleophilic substitutions
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Read more: Pyridine synthesis
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