作者:S. P. Patil、D. Padmanabhan
DOI:10.1002/jlcr.579
日期:2002.6
(2,4,6-14C)-Cyanuric acid was prepared from 14C-urea by the heterocyclization of the latter in the presence of ammonium chloride. This procedure involves solvent-free fusing of the reactants in a vacuum sealed glass tube. The product was purified by ion-exchange column chromatography using Sephadex SE C-25. A radiochemical yield of 60.5% was obtained based on 14C-urea and the product had a specific activity of 19.06 mCi/mmol. Copyright © 2002 John Wiley & Sons, Ltd.
(2,4,6-14C)-氰尿酸是由 14C 尿素在氯化铵存在下进行杂环化反应制备而成的。这一过程包括在真空密封的玻璃管中无溶剂熔化反应物。使用 Sephadex SE C-25 离子交换柱色谱法提纯产物。根据 14C-urea 计算,放射性化学收率为 60.5%,产品的比活度为 19.06 mCi/mmol。Copyright © 2002 John Wiley & Sons, Ltd. All Rights Reserved.