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γ,δ- and δ,ε-Unsaturated Aldehydes from γ- and δ-Lactones in One Step. Preliminary Communication

✍ Scribed by Wolfgang Giersch; Ferdinand Naef


Publisher
John Wiley and Sons
Year
2004
Tongue
German
Weight
164 KB
Volume
87
Category
Article
ISSN
0018-019X

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✦ Synopsis


Abstract

A one‐step transformation of γ‐ and δ‐(spiro)lactones into γ,δ‐ and δ,ε‐unsaturated aldehydes with an excess of formic acid in the vapor phase over a supported manganese catalyst is described for the first time. The scope and limitations of this new reaction are shown with different lactones as substrate, and a mechanistic rationale is proposed.


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