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Article . 1969 . Peer-reviewed
License: Elsevier TDM
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cyclization of enolesters of o acyloxyphenyl alkyl ketones ii a contribution to the mechanism of the reaction

Authors: Gy. Schöbel; Lajos Baláspiri; T. Széll;

cyclization of enolesters of o acyloxyphenyl alkyl ketones ii a contribution to the mechanism of the reaction

Abstract

Abstract The base catalysed cyclization of the enolesters of o -acyloxyphenyl alkyl ketones 1 probably involves the Baker-Venkataraman type 2 reaction only and the simultaneous occurrence of a Claisen-Haase rearrangement 3 is unlikely. In the presence of aqueous alkali the enolacetate gives a carbanion and the latter reacts with the neighbouring ester group resulting in ring closure to a γ-pyrone.

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  • citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
9
Average
Top 10%
Average