Journal of Organic Chemistry p. 3361 - 3367 (1993)
Update date:2022-08-03
Topics:
Kappe, C. Oliver
Kollenz, Gert
Fabian, Walter M. F.
Wentrup, Curt
Faerber, Gerald
Novel and convenient methods to prepare several functionalized 2,6,9-trioxabicyclo<3.3.1>nonadienes ("bridged bis-dioxines") 6, 10, 11, and 12 are described.In general, these are obtained by addition of nucleophiles to α-oxoketene 5 in a multistep reactio
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