Organic Letters 2004-10-14

Cp2Fe(PR2)2PdCl2 (R = i-Pr, t-Bu) complexes as air-stable catalysts for challenging Suzuki coupling reactions.

Thomas J Colacot, Helene A Shea

文献索引：Org. Lett. 6 , 3731, (2004)

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摘要

[reaction: see text] The use of Cp(2)Fe(PR(2))(2)PdCl(2) (R = i-Pr and t-Bu) in Suzuki coupling reactions were illustrated using a high throughput screening approach. The di-tbpfPdCl(2) catalyst was shown to be the more active catalyst for unactivated and sterically challenging aryl chlorides. Comparison studies using the commercial catalysts dppfPdCl(2), (Ph(3)P)(2)PdCl(2), (Cy(3)P)(2)PdCl(2), DPEPhosPdCl(2), dppbPdCl(2), dppePdCl(2), Pd(t-Bu(3)P)(2), and [Pd(mu-Br)(t-Bu(3)P)](2) were also done for selected cases to demonstrate the superior activities of di-tbpfPdCl(2) and di-isoppfPdCl(2).

相关化合物

  • 1,1'-双(二-叔丁基...
  • 2-氯-3-甲基吡啶
  • 2-氯-4-氟苯甲醚

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