14. Tandem cyclopropanation/Cope rearrangement sequence. Stereospecific [3 + 4] cycloaddition reaction of vinylcarbenoids with cyclopentadiene

Authors: Huw M.L Davies, H.David Smith, Osei Korkor

Tetrahedron Lett.

198717, 1853-1856

1-s2.0-S0040403900959926-gr1

Divinylcyclopropane intermediates can be isolated from the [3 + 4] cycloaddition reaction between rhodium(II) acetate-stabilized vinylcarbenoids and cyclopentadiene. This result confirms that the reaction proceeds through a tandem cyclopropanation/Cope rearrangement sequence.

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