Bifunctional Pincer Catalysts for Chemoselective Transfer Hydrogenation and Related Reactions

Shirel Cohen, Alexey N. Bilyachenko, Dmitri Gelman*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

A comparative study on the chemoselective transfer hydrogenation of nitroarenes to anilines and related processes using FA as the hydrogen source is described; these processes are catalyzed by a series of pincer catalysts equipped with different functional groups in the secondary coordination sphere. Some new (4 and 5) as well as previously reported (1–3) catalysts belonging to the family of bifunctional PC(sp3)P pincer complexes were employed in this study The reported compounds exhibited remarkably different catalytic activity behavior, depending on the nature of the functional groups. Transfer hydrogenation of nitrobenzene with FA as a hydrogen source was probed using iridium complexes 3 or 4 as a catalyst. Under the same conditions, the analogous palladium complex was found to be useful for the selective amidation of aniline with light carboxylic acids.

Original languageAmerican English
Pages (from-to)3203-3209
Number of pages7
JournalEuropean Journal of Inorganic Chemistry
Volume2019
Issue number27
DOIs
StatePublished - 23 Jul 2019

Bibliographical note

Funding Information:
This research was supported by the Israel Science Foundation (ISF) Grant Nos. 917/15 and 1384/13. We wish to thank Dr. Benny Boguslavsky for solving the X-ray structures. The authors declare no competing financial interests. This work was supported by the RUDN University Program “5-100”.

Publisher Copyright:
© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Keywords

  • Homogeneous catalysis
  • Iridium
  • Palladium
  • Pincer complexes
  • Transfer hydrogenation

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