Thiazole

Thiazole is a chemical compound made of carbon, sulfur, nitrogen, and hydrogen. It has the chemical formula C3H3NS. The thiazoles are a family of compounds where the hydrogen atoms of thiazole are replaced by other functional groups.

Thiazolium

The nitrogen atom in thiazole is a weak base. It can be alkylated to make a type of quaternary ammonium cation (ion where nitrogen has four chemical bonds) called thiazolium.

The essential nutrient thiamine is a thiazolium cation.[1] Other thiazolium salts are used as catalysts in some chemical reactions.[2]

Sources

  1. ↑ "Thiamine Properties". Cornell University Department of Natural Resources and the Environment. Retrieved 2025-09-19.
  2. ↑ "Stetter reaction". Organic Chemistry Portal. Retrieved 2025-09-19.
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