Production
Historically, pyridine was extracted from coal tar or obtained as a by-product of coal gasification. The process was labor consuming and inefficient: coal tar contains only about 0.1% pyridine, and therefore a multi-stage purification was required, which further reduced the output. Nowadays, most pyridine is produced synthetically using various name reactions, and the major ones are discussed below.
Read more about this topic: Pyridines
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