Pyridine

Pyridine is a clear liquid with an odor that is sour, putrid, and fish-like. Pyridine is a simple Heterocyclic Aromatic Organic Compound that is structurally related to Benzene , with one CH group in the six-membered ring replaced by a Nitrogen atom. Pyridine is obtained from crude Coal Tar or is Synthesized from Acetaldehyde , Formaldehyde and Ammonia .

Pyridine has an pi system.

Pyridine is also a good Nucleophile with a Donor Number of 33.1.

Pyridine is widely used as a Solvent and Reagent in Organic Chemistry and it is also a starting material in the synthesis of compounds used as an intermediate in making insecticides, herbicides, pharmaceuticals, food Flavoring s, Dye s, Rubber chemicals, Adhesive s, Paint s, Explosive s and Disinfectant s. Pyridine is also used as a denaturant for Antifreeze mixtures, for Ethyl Alcohol , and for Fungicide s, and as a Dyeing aid for textiles.

Other examples of the pyridine class can be formed by the reaction of 1,5-di Ketone s with Ammonium Acetate in Acetic Acid followed by oxidation.

Pyridine is a harmful substance if inhaled, ingested or absorbed through skin, it is known to reduce male fertility and is considered , nausea and vomiting.

RELATED COMPOUNDS

Structurally or chemically related compounds are

DMAP is short for 4-dimethylaminopyridine

Bipyridine and Viologen are simple polypyridine compounds consisting of two pyridine molecules joined by a single bond

Terpyridine , a molecule of three pyridine rings connected together by two single bonds.

Pyrimidine and Isoquinoline have pyridine and a benzene ring fused together.

Aniline is a benzene derivative with an attached NH₂ group and NOT a pyridine

Diazine s are compounds with one more carbon replaced by nitrogen such as Pyrazine and Quinoline

Triazine s are compounds with two more carbons replaced by nitrogen

2,6-lutidine is a trivial name for 2,6-dimethylpyridine.

collidine is a trivial name for 2,4,6-trimethylpyridine.

Pyridinium p-toluenesulfonate (PPTS) is a salt formed by proton exchange between pyridine and P-toluenesulfonic Acid

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Pyridine