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Synlett 2001; 2001(7): 1134-1136
DOI: 10.1055/s-2001-15161
DOI: 10.1055/s-2001-15161
letter
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A Facile Cleavage of Ketone N,N-Dimethylhydrazones by CeCl3 · 7 H2O-SiO2
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Publikationsverlauf
Publikationsdatum:
31. Dezember 2001 (online)
Ketone N,N-dimethylhydrazones are rapidly and chemoselectively deprotected to the corresponding ketones in high yields by CeCl3 · 7 H2O supported on silica gel under microwave irradiation. The method is compatible with acid sensitive substrates.
CeCl3 · 7 H2O-SiO2 - N,N-dimethylhydrazones - ketones - microwaves