Synthetic approach to medium-sized cycloalkanones. A one-pot three-carbon ring expansion of carbocyclic β-keto esters

1 January 1988

journal article
research article
Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications

No. 9,p. 612-613
https://doi.org/10.1039/c39880000612

Abstract

By treatment with Bu^tOK in Me₂SO, carbocyclic β-keto-esters (5-,6-, and 7-membered rings) with a 4-oxopentyl function at the α-position afforded three-carbon ring expansion products (8-, 9-, and 10-membered rings, respectively).

Keywords

FUNCTION
TREATMENT
CARBOCYCLIC Β
KETO ESTERS
Β KETO
CARBON RING EXPANSION
SIZED CYCLOALKANONES

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