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. 2004 Nov 25;6(24):4435-8.
doi: 10.1021/ol048413i.

Eta2-dba complexes of Pd(0): the substituent effect in Suzuki-Miyaura coupling

Ian J S Fairlamb  1 , Anant R Kapdi, Adam F Lee
Affiliations

Eta2-dba complexes of Pd(0): the substituent effect in Suzuki-Miyaura coupling

Ian J S Fairlamb et al. Org Lett. .

Abstract

The influence of aryl substituents in dibenzylidene acetone (dba) ligands, for Pd(0) complexes, has been evaluated for Suzuki-Miyaura cross-coupling reactions. Electron-withdrawing substituents such as NO(2) or CF(3) deactivate the catalyst species whereas strongly donating substituents such as OMe increase catalytic activity over that of unsubstituted dba ligands. [reaction: see text]

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