Hexamethylcyclotrisiloxane exporter is a kind of organic matter, the chemical formula for C6H7N. It is a colorless liquid with a strong unpleasant pyridine taste. It is mainly used in the synthesis of vinylpyridine and agricultural chemicals.

synthesis

Isolated hexamethylcyclotrisiloxane exporter is a refinement of pyridine compounds. It was isolated from coal tar by T.Anderson in 1846. [2] It is now produced by two main methods: condensation of formaldehyde, acetaldehyde and ammonia, and cyclization of nitrile and acetylene.

For example, the combination of acetaldehyde and ammonia:

In 1989, the world, about 8000 tons of hexamethylcyclotrisiloxane exporter was produced.

reaction

Most of the reactions of methylpyridine occur with methyl groups. Such as hexamethylcyclotrisiloxane exporter is mainly used for the preparation of 2 - vinyl pyridine, its transformation and the condensation reaction of formaldehyde to complete:

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