Dioxane, an organic compound, also known as dioxane, 1,4-dioxane, is an organic substance, the molecular formula is C4H8O2. It is a colorless and transparent liquid, slightly fragrant, miscible with water, miscible most organic solvents. The compound is used in the manufacture of special fine chemicals such as medicine, cosmetics, and fragrance, as well as as a solvent, reaction medium, and extraction agent in scientific research.
Among the heterocyclic compounds, pyridopyrazine compounds are widely used as intermediates in the preparation of advanced pharmaceutical materials with biological activity, and are the scaffolding materials that have been widely concerned by academia and industry in recent years. There are many pyridopyrazine derivatives on the market for the treatment of various pharmacological diseases.