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Structure of 20737-42-2
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3-Oxo-3,4-dihydropyrazine-2-carboxylic acid features a fused heterocyclic core with a ketone at the 3-position and a carboxylic acid at the 2-position, enabling versatile conjugation in synthetic routes. The electron-deficient pyrazine ring supports efficient coupling reactions, while the adjacent carbonyl group enhances reactivity in nucleophilic additions. This scaffold serves as a key intermediate in medicinal chemistry for constructing bioactive molecules.
3-Oxo-3,4-dihydropyrazine-2-carboxylic acid serves as a versatile building block in medicinal chemistry, enabling the construction of pyrazine-containing scaffolds via standard condensation and cyclization protocols. Its carboxylic acid and enone functionalities offer orthogonal reactivity for peptide coupling, derivatization, and transition-metal-catalyzed transformations. Bench-stable and readily purified by recrystallization, it functions reliably in multi-step syntheses of heterocyclic drug candidates.
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GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H319
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Lot numbers can be found on the outside label of a product: