Electroreduction of Organic Compounds, 30. Cathodic Formation of 4,4,8-Trichlorodispiro[2.1.2.1] octane from 4,4,8,8-Tetrachlorodispiro[2.1.2.1] octane
2014
Nünnecke, Dirk | Voss, Jürgen | Adiwidjaja, Gunadi
The formation of the highly strained 1′ ,3′’-Dichlorodispiro[cyclopropane-1,2′-bicyclo[1.1.0]- butane-4′, 1″-cyclopropane] (2) by electrochemical reduction of the title compound 1, published by Strelow, Voss and Baum [2], turned out to be erroneous and has to be corrected. Instead of the formation of 2 a substitution of one chloro substituent by hydrogen takes place and the trichlorodispiro[2.1.2.1]octane 3 results. The structure of 3 is confirmed by an X-ray structural analysis.
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