On cyclopentadienone-ketals and their dimers. A novel rearrangement of α,β-unsaturated ketone dialkyl ketals

Sarah Abramson; Jakov Zizuashvili; Benzion Fuchs

doi:10.1016/S0040-4039(00)92604-2

On cyclopentadienone-ketals and their dimers. A novel rearrangement of α,β-unsaturated ketone dialkyl ketals

Sarah Abramson^*, Jakov Zizuashvili, Benzion Fuchs

^*Corresponding author for this work

School of Chemistry

Tel Aviv University

Research output: Contribution to journal › Article › peer-review

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Abstract

The dimers 2a & b) of dimethyl- and diethylcyclopentadienone ketals(1a & b) undergo a novel 1,3-alkoxy-rearrangement to 4(a & b). Mild hydrolysis of 2 or 3 gives the monoketones (3a or b). On strong acid catalysed hydrolysis 2, 3 or 4 afford the cyclopentadienone-dimer(6.

Original language	English
Pages (from-to)	2351-2354
Number of pages	4
Journal	Tetrahedron Letters
Volume	21
Issue number	24
DOIs	https://doi.org/10.1016/S0040-4039(00)92604-2
State	Published - 1980

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abstract = "The dimers 2a & b) of dimethyl- and diethylcyclopentadienone ketals(1a & b) undergo a novel 1,3-alkoxy-rearrangement to 4(a & b). Mild hydrolysis of 2 or 3 gives the monoketones (3a or b). On strong acid catalysed hydrolysis 2, 3 or 4 afford the cyclopentadienone-dimer(6.",

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AB - The dimers 2a & b) of dimethyl- and diethylcyclopentadienone ketals(1a & b) undergo a novel 1,3-alkoxy-rearrangement to 4(a & b). Mild hydrolysis of 2 or 3 gives the monoketones (3a or b). On strong acid catalysed hydrolysis 2, 3 or 4 afford the cyclopentadienone-dimer(6.

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On cyclopentadienone-ketals and their dimers. A novel rearrangement of α,β-unsaturated ketone dialkyl ketals

Abstract

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