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- ISSN: 1570-1786
- E-ISSN: 1875-6255
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Highly Wolff Selective Rh(II) Catalysed Decomposition of α-Diazo- β-Ketophosphonates Having an Oxygen Atom Adjacent to the γ-Position
- Source: Letters in Organic Chemistry, Volume 3, Issue 3, Mar 2006, p. 204 - 206
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- 01 Mar 2006
Abstract
α-Diazo-β-ketophosphonates, bearing an oxygen atom adjacent to the γ position, led mainly or exclusively to compounds derived from a Wolff rearrangement when submitted to the action of a catalytic amount of Rh(II) in refluxing toluene. It is suggested that the presence of this inductive withdrawing electronic atom prevents competing intramolecular C-H insertion reactions to occur.
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