Striking reactivity of ylide-like germylene toward terminal alkynes: [4+2] cycloadditionversus C–H bond activation
Literature Information
Shenglai Yao, Christoph van Wüllen, Matthias Driess
The isolable ylide-like N-heterocyclic germylene LGe: (2) {L = CH[(CCH2)CMe][N(aryl)]2, aryl = 2,6-iPr2C6H3} shows an unprecedented dual reactivity toward terminal alkynes: its reaction with acetylene leads via[4+2] cycloaddition to the novel intramolecular donor stabilised germylene 3, while conversion of phenylacetylene furnishes the analogous cycloadduct 4 along with a C–H bond activation product, the novel N-donor stabilised alkynyl germylene 5.
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![Pyrazolo[1,5-a]pyridine-3-carbothioamide structure Pyrazolo[1,5-a]pyridine-3-carbothioamide structure](https://static.chemtradehub.com/structs/885/885275-44-5-aae0.webp)
