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Synlett 1991; 1991(4): 229-230
DOI: 10.1055/s-1991-20687
DOI: 10.1055/s-1991-20687
letter
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.
C-Alkylation of Dianions of β-(Isopropylamino)-α,β-enones
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Publikationsverlauf
Publikationsdatum:
07. März 2002 (online)
![](https://www.thieme-connect.de/media/synlett/199104/lookinside/thumbnails/10.1055-s-1991-20687-1.jpg)
A new alkylation method of enaminones (1-aryl-3-(isopropylamino)-2-buten-1-ones) via addition of electrophiles to dianions of β-(isopropylamino)-α, β-enones, generated by treatment with 2.5 equivalents of 2,2,6,6-tetramethylpiperidinolithium, is reported. The reaction works well with alkyl halides and aldehydes while poor yields are obtained from ketones.