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A rapid method for the synthesis of 4-iodoantipyrine

✍ Scribed by Mahendra A. Trivedi

Publisher: John Wiley and Sons
Year: 1996
Tongue: French
Weight: 292 KB
Volume: 38
Category: Article
ISSN: 0022-2135
DOI: 10.1002/(sici)1099-1344(199605)38:5<489::aid-jlcr857>3.0.co;2-6

No coin nor oath required. For personal study only.

✦ Synopsis

A modified method for the synthesis of radioiodinated 4-125iodoantipyrine based on electrophilic iodination using Na103 as an oxidising agent is described. This straightforward method is reproducible and yields consistently high ( > 9 8 % ) radiolabelled 4 ' 2 5 ~~P .

The use of solid phase extraction columns facilitates the removal of excess iodide and chloride ions with consistently high recovery ( > 8 0 % ) , simplifies the purification procedure, reduces preparation time and does not require the use of hplc technique.

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