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. 2001 Sep 3;40(17):3208-3210.
doi: 10.1002/1521-3773(20010903)40:17<3208::AID-ANIE3208>3.0.CO;2-U.

The Fate of Bis(η3 -allyl)palladium Complexes in the Presence of Aldehydes (or Imines) and Allylic Chlorides: Stille Coupling versus Allylation of Aldehydes (or Imines)

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The Fate of Bis(η3 -allyl)palladium Complexes in the Presence of Aldehydes (or Imines) and Allylic Chlorides: Stille Coupling versus Allylation of Aldehydes (or Imines)

Hiroyuki Nakamura et al. Angew Chem Int Ed Engl. .

Abstract

The mere presence or absence of PPh3 suffices to control the reactivity of bis(η3 -allyl)palladium complexes. In the absence of PPh3 they undergo chemoselective allylic addition to aldehydes or imines, even in the presence of allylic chlorides, whereas in the presence of PPh3 the Stille coupling reaction takes place chemoselectively, even when aldehydes or imines are also present.

Keywords: C−C coupling; Stille coupling; allyl ligands; allylation; palladium.

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