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Diethyl lithiomaleate: Preparation and use in synthesis

✍ Scribed by David C. Harrowven; Hon Suen Poon

Book ID
103399992
Publisher
Elsevier Science
Year
1994
Tongue
French
Weight
133 KB
Volume
35
Category
Article
ISSN
0040-4039

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## Abstract A method for the production of two new carbon‐11 labelled difunctional radiolabelling precursors, [^11^C]diethyl oxalate, 2, and [^11^C]oxalic acid, 3, is described. Methyl chloroformate was reacted with no‐carrier‐added [^11^C]cyanide to generate the intermediate nitrile, methyl [^11^C