Applied Radiation and Isotopes | VOL. 54

[11C]Formaldehyde revisited: considerable concurrent [11C]formic acid formation in the low-temperature conversion of [11C]carbon dioxide into [11C]formaldehyde

Publication Date Jun 1, 2001


The reduction of [11C]carbon dioxide with lithium aluminium hydride in diethyl ether at temperatures ranging from -56 degrees C to 19 degrees C was studied. In contrast to what others have reported, considerable amounts of [11C]formic acid were found at all studied temperatures.

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Formic Acid Formation
Lithium Aluminium Hydride
Carbon Dioxide
Diethyl Ether
Formic Acid
Low-temperature Conversion
Aluminium Hydride
Acid Formation

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