Tetrahedron Letters p. 5371 - 5374 (1986)
Update date:2022-08-05
Topics:
Brinker, Udo H.
Weber, Juergen
The first addition of a cyclobutylidene (carbenoid) to an alkyne is reported.By C4+C2-coupling the spiro<2.3>hex-1-ene system 8 is constructed.Furthermore, cyclobutylidene adds to methylenecyclopropane, its intramolecular reaction product, to give the novel dispiro<2.1.3.0>octane 11.
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