2-propanedinitrile
2-propanedinitrile (CAS: 123-06-8), commonly known as ethoxymethylenemalononitrile (EMMN), is a highly electron-deficient olefin combining a nitrile, an ethoxyvinyl group, and a second nitrile on a compact three-carbon framework. This reactivity profile makes it an exceptional electrophile and cyclocondensation partner in heterocyclic synthesis. It readily reacts with amidines, hydrazines, guanidines, and enaminones to construct pyrimidines, pyrazoles, pyrroles, and other nitrogen heterocycles of pharmaceutical and agrochemical significance. The ethoxy group serves as a leaving group, enabling substitution by nitrogen, oxygen, and sulfur nucleophiles under mild conditions. EMMN is a key intermediate in the manufacture of antihypertensive drugs such as minoxidil, vitamin B1 analogs, and various crop protection agents. Supplied as a high-purity material, it offers dependable reactivity for multi-step synthetic programs requiring efficient ring construction.
– Heterocycle Synthesis: Used to construct pyrimidines, pyrazoles, and pyrroles via cyclocondensation with binucleophiles in pharmaceutical and agrochemical manufacturing.
– API Manufacturing: Serves as a key intermediate in the synthesis of minoxidil and other cardiovascular and dermatological active ingredients.
– Vitamin Synthesis: Applied in the production of thiamine (vitamin B1) and related heterocyclic nutritional compounds.
– Fine Chemical Research: Employed as a versatile electrophile in medicinal chemistry programs for rapid generation of heterocyclic libraries.
Product Name: 2-propanedinitrile
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