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Synthesis 2011(16): 2549-2552
DOI: 10.1055/s-0030-1260107
DOI: 10.1055/s-0030-1260107
PSP
© Georg Thieme Verlag
Stuttgart ˙ New YorkDiazo-Transfer Reactions to 1,3-Dicarbonyl Compounds with Tosyl Azide
Weitere Informationen
Received
18 May 2011
Publikationsdatum:
14. Juli 2011 (online)
Publikationsverlauf
Publikationsdatum:
14. Juli 2011 (online)
Abstract
A practical protocol for the large-scale preparation of 2-diazo-1,3-dicarbonyl compounds is described by diazo-transfer reactions with tosyl azide followed by efficient chromatographic purifications on silica gel and/or alumina.
Key words
diazo compounds - ketones - esters - Regitz reaction - chromatography
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