3-Aminopyridine in Pharmaceuticals
Made using our key strengths in pyridine and continuous reactions, we offer 3-Aminopyridine and downstream chemistry based on this strength. The amine function allows conversion to many other functional groups such as amide, halo substitutions via diazotization, or further reactions to nitriles, carboxylic acids, thiols and the like. The pKa is 5.2 and material is either supplied as melt or as flake.
2-Vinylpyridine is the key intermediate in the production of the API, betahistine, an anti-vertigo medicine.
2-Vinylpyridine is a reactive monomer and once polymerized, the nitrogen is less exposed/accessible than its counterpart, 4-Vinylpyridine. It can be copolymerized with many other monomers, in particular cationic monomers, such as acrylamide, acrylates, and also with other vinyl-based monomers (e.g. styrene). The benefit of the addition of a 6-membered heterocyclic moiety is the increased Van der Waals forces which impart better electrostatic forces to the finished polymer, improving adhesion.
Melt Point (°C)
Values shown in the above table are typical properties.
High End Pigmented Coatings
Used to offset color loss from exposure to light, air, temperature, and other environmental factors
Artifical Food Dye
Used to provide color to otherwise colorless food
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