1126624-05-2Relevant academic research and scientific papers
Trapping the oxyallyl cation intermediate derived from the Nazarov cyclization of allenyl vinyl ketones with nitrogen heterocycles
Marx, Vanessa M.,Lefort, Francois M.,Burnell, D. Jean
supporting information; experimental part, p. 64 - 68 (2011/03/22)
The cationic intermediate of the Lewis acid-initiated Nazarov cyclization of an allenyl vinyl ketone (AVK) was trapped by pyrroles and indoles. The yields ranged from modest to high (up to 93%), and in both cases, only two of the three possible products w
Synthesis of 5-hydroxycyclopent-2-Enones from allenyl vinyl ketones via an interrupted Nazarov cyclization
Marx, Vanessa M.,Burnell, D. Jean
supporting information; experimental part, p. 1229 - 1231 (2009/08/14)
Treatment of an allenyl vinyl ketone with trifluoroacetic acid leads to Nazarov cyclization, and the intermediate carbocation is trapped efficiently by trifluoroacetate. Hydrolysis of the ester with methanol and basic alumina provides, in good to excellen
