Compound Q&A
How is Ethyl 5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS: 926663-00-5) typically synthesized?
Answer
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Ethyl 5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate is typically synthesized through a multi-step reaction involving pyrazolo[1,5-a]pyrimidine-3-carboxylic acid and ethyl bromide. The key steps include alkylation followed by carboxylation, catalyzed by sodium hydride or similar strong bases. The overall yield is moderate, ranging from 50% to 70% depending on the purity of starting materials and reaction conditions.
About
CAS No
926663-00-5
English Name
Ethyl 5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate
Molecular Formula
C9H9N3O3
Molecular Weight
207.19 g/mol
SMILES
CCOC(=O)C1=C2NC(=O)C=CN2N=C1
InChIKey
PCKVUOAPCLMZJI-UHFFFAOYSA-N
Last Updated: 2025-11-05 07:29
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