Synthetic Route of 19094-56-5, As an important bridge between the micro and macro material world, chemistry is one of the main methods and means for humans to understand and transform the material world. 19094-56-5, Name is 2-Chloro-5-iodobenzoic acid, SMILES is O=C(O)C1=CC(I)=CC=C1Cl, belongs to iodides-buliding-blocks compound. In a article, author is Ishiwata, K, introduce new discover of the category.
Automated synthesis of radiochemically pure C-11-labeled ethyl, propyl and butyl iodides
Carbon-11 labeled alkyl iodides such as ethyl. propyl and butyl iodides are useful precursors for labeling various tracers for positron emission tomography. In the standard preparing process, which consists of the reaction of Grignard reagents with (CO2)-C-11 followed by reduction with lithium aluminum hydride and reaction with HI. the produced C-11-alkyl iodides were applied onto gas chromatography using chromosorb W-HP with 10% OV101 as the liquid phase. to give radiochemically pure C-11-ethyl, C-11-propyl or C-11-butyl iodide without a concomitant byproduct, i.e. C-11-methyl iodide. The automated production system was described. (C) 1999 Elsevier Science Ltd. All rights reserved.
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