L. Heng
2004
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Journal
Shaanxi Chemical Industry
Abstract
1-methyl-3-n-propyl-pyrazole-5-carboxylic acid was synthesized by some processes such as ester condensation, cyclization, hydrolysis from diethyl oxalate and 2-pentanone, the total yield was (73.26%.) The product was characterized by IR, ()~1HNMR and elementary analysis etc.