The synthesis of a series of pincer iridium complexes ligated by allenes will be presented; the allenes being synthesized in the metal coordination sphere via isomerization of internal alkynes. Preliminary mechanistic investigations involving isotopic labeling studies and crossover experiments suggest a π-allyl mechanism is operative. Finally, our efforts to develop a catalytic protocol will also be discussed.

Synthesis of allenes via isomerization of internal alkynes

251st National Meeting (2016)

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