Oligothiophenes II: Synthesis and Stability of 5‐Methylenethiophen‐2(5H)‐ones

Harald Halvorsen Department of Chemistry, University of Oslo, Blindern, Oslo, Norway

Håkon Hope Department of Chemistry, University of California, Davis, California, USA

Jan Skramstad Department of Chemistry, University of Oslo, Blindern, Oslo, NorwayCorrespondence[email protected]

Abstract

This article describes an improved synthesis of substituted 5‐methylenethiophen‐2(5H)‐ones. These compounds are characterized by an unusual lack of reactivity as demonstrated by a number of unsuccessful reactions. The reason for this is suggest. The products were analyzed by UV, IR, NMR, and MS and by x‐ray crystallography.

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Oligothiophenes II: Synthesis and Stability of 5‐Methylenethiophen‐2(5H)‐ones

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Oligothiophenes II: Synthesis and Stability of 5‐Methylenethiophen‐2(5H)‐ones

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