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A simple, rapid method for the preparation of [11C]formaldehyde

Jacob M Hooker1, Matthias Schönberger, Hanno Schieferstein

  • 1Medical Department, Brookhaven National Laboratory, Upton, NY 11973-5000, USA. hooker@bnl.gov

Angewandte Chemie (International Ed. in English)
|July 8, 2008
PubMed
Summary

No abstract available in PubMed .

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Preparation of 1° Amines: Gabriel Synthesis01:28

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Direct alkylation is not a suitable method for synthesizing amines because it produces polyalkylated products. Gabriel synthesis is the most preferred method to exclusively make primary amines. The method uses phthalimide, which contains a protected form of nitrogen that participates in alkylation only once to predominantly give primary amines.
Strong bases like NaOH or KOH deprotonate the phthalimide to form the corresponding anion, which acts as a nucleophile. Further, the anion attacks an...