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1. 中国科学院上海原子核研究所,上海
2. ,201800
纸质出版日期:1998-12-01
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[1]吴元劳,李侣,周桢堂.~(14)C标记农药杀螟松和马拉硫磷的制备[J].核技术,1998(12):740-743.
Preparation of 14C -sumithion and 14C-malathion[J]. Nuclear techniques, 1998, (12): 740-743.
以Ba14CO3为起始原料制得14CH3OH,然后用14CH3OH与PSCl3在碱性条件下反应,再加入甲基硝基苯酚,在甲基异丁酮溶剂体系下制得14C-杀螟松,放化纯度>95%,放射性比活度为188.7BMq/mol。14CH3OH与P2S5合成出的中间体,加顺丁烯酸二乙酯在甲苯溶剂体系中反应制成14C-马拉硫磷,放化纯度>95%,放射性比活度为156.4MBq/mol。
The preparation of 14C-sumithion and 14C-malathion is presented in this paper.From 14C-barium carbonate
the 14C-methanol is synthesized and used to react with PSCl3. Then 3 - methanol-4nitrophenol is added solution of 2-hexamonethe to obtain 14C-sumithion. Its radiochemical purity is over 95% and the specific activity is 188.7GBq/mol. On the other hand 2-butenoic acid diaethyl ester is added in the solution of methyl bengene
after addition of malathion and P2S5 to form the terminal product 14C-palathion. Its radio chemical purity is over 95% and the specific activity is 156.4GBq/mol.
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