Catalyst Design of Vaska-Type Iridium Complexes for Highly Efficient Synthesis of π-Conjugated Enamines

Atsushi Tahara, Yasumitsu Miyamoto, Ryuta Aoto, Keisuke Shigeta, Yuta Une, Yusuke Sunada, Yukihiro Motoyama, Hideo Nagashima

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

The appropriate design of a ligand (L) in IrCl(CO)(L)2 (4) realized the efficient synthesis of π-conjugated enamines possessing hole-transport properties. The iridium complex with electron-withdrawing phosphorus ligands catalyzed the hydrosilylation of amides to the corresponding silylhemiaminals, which were transformed to the enamines by heat or by treatment with acids. High catalytic efficiency (TON > 10,000) was achieved, which made it possible for the residual iridium in the enamine product to be below 20 ppb.

Original languageEnglish
Pages (from-to)4895-4907
Number of pages13
JournalOrganometallics
Volume34
Issue number20
DOIs
Publication statusPublished - 2015 Oct 26
Externally publishedYes

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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