Low-valent indium as a catalyst for the allylation of ketones and N-acylhydrazones.

Indium summer: The use of low-valent indium species in organic chemistry was, until quite recently, underdeveloped. Then came reports of indium(I) halides serving as excellent catalysts for the allylation of ketones and N-acylhydrazones with pinacol allylboronates, and more recently of indium(0) being used as a catalyst for the allylation of ketones in water.

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