1,1,3,3-Tetraethoxypropane
1,1,3,3-Tetraethoxypropane (CAS: 122-31-6) is the tetraethyl acetal of malondialdehyde, serving as a stable, storable precursor to this highly reactive dialdehyde. In aqueous or acidic conditions, the acetal undergoes hydrolysis to release malondialdehyde in situ, enabling controlled participation in condensation reactions that would be impractical with the free aldehyde. This clear liquid is widely employed in the synthesis of pyrimidines, pyridines, and other nitrogen heterocycles through cyclocondensation with amidines, guanidines, and hydrazines. It is a key building block in pharmaceutical manufacturing, particularly for barbiturate-type structures and folate-related compounds. The compound also serves as a reagent in biochemical assays for measuring lipid peroxidation, where malondialdehyde released from samples reacts with thiobarbituric acid. With its predictable hydrolysis profile and versatile reactivity, tetraethoxypropane is a practical and reliable reagent for synthetic and analytical applications.
– Heterocycle Synthesis: Used as a malondialdehyde equivalent in the preparation of pyrimidines, pyridines, and barbiturates through acid-catalyzed condensation with nitrogen nucleophiles.
– Pharmaceutical Intermediate: Serves as a building block in the manufacture of sedatives, anticonvulsants, and other heterocyclic active ingredients.
– Lipid Peroxidation Assays: Applied in biochemical and clinical research to quantify oxidative stress via malondialdehyde-thiobarbituric acid adduct formation.
– Flavor and Fragrance Chemistry: Employed as an intermediate for cyclic compounds contributing to food flavoring and fragrance compositions.
Product Name: 1,1,3,3-Tetraethoxypropane
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