Bifunctional triflylamide-tethered Cp′Rh and Cp′Ir complexes: A new entry for asymmetric hydrogenation catalysts

Masato Ito; Yoshinori Endo; Noriko Tejima; Takao Ikariya

doi:10.1021/om1001809

Bifunctional triflylamide-tethered Cp′Rh and Cp′Ir complexes: A new entry for asymmetric hydrogenation catalysts

Masato Ito, Yoshinori Endo, Noriko Tejima, Takao Ikariya

Research output: Contribution to journal › Article › peer-review

44 Citations (Scopus)

Abstract

A series of triflylamide-tethered Cp′Rh and Cp′Ir complexes, [η⁵:η¹-(CH₃)₄C ₅(CH₂)_nNTf]M (M = Rh, Ir, n = 2-4), have been newly prepared and their three-legged piano-stool structure has been characterized. The tethered complexes having the (R,R)-MsDPEN ligand have been found to promote asymmetric hydrogenation of acetophenone, which indicates that the introduction of a suitable triflylamide tether unit changes their catalytic function from transfer hydrogenation to hydrogenation.

Original language	English
Pages (from-to)	2397-2399
Number of pages	3
Journal	Organometallics
Volume	29
Issue number	11
DOIs	https://doi.org/10.1021/om1001809
Publication status	Published - Jun 14 2010
Externally published	Yes

All Science Journal Classification (ASJC) codes

Organic Chemistry
Physical and Theoretical Chemistry
Inorganic Chemistry

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10.1021/om1001809

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title = "Bifunctional triflylamide-tethered Cp′Rh and Cp′Ir complexes: A new entry for asymmetric hydrogenation catalysts",

abstract = "A series of triflylamide-tethered Cp′Rh and Cp′Ir complexes, [η5:η1-(CH3)4C 5(CH2)nNTf]M (M = Rh, Ir, n = 2-4), have been newly prepared and their three-legged piano-stool structure has been characterized. The tethered complexes having the (R,R)-MsDPEN ligand have been found to promote asymmetric hydrogenation of acetophenone, which indicates that the introduction of a suitable triflylamide tether unit changes their catalytic function from transfer hydrogenation to hydrogenation.",

author = "Masato Ito and Yoshinori Endo and Noriko Tejima and Takao Ikariya",

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T1 - Bifunctional triflylamide-tethered Cp′Rh and Cp′Ir complexes

T2 - A new entry for asymmetric hydrogenation catalysts

AU - Ito, Masato

AU - Endo, Yoshinori

AU - Tejima, Noriko

AU - Ikariya, Takao

PY - 2010/6/14

Y1 - 2010/6/14

N2 - A series of triflylamide-tethered Cp′Rh and Cp′Ir complexes, [η5:η1-(CH3)4C 5(CH2)nNTf]M (M = Rh, Ir, n = 2-4), have been newly prepared and their three-legged piano-stool structure has been characterized. The tethered complexes having the (R,R)-MsDPEN ligand have been found to promote asymmetric hydrogenation of acetophenone, which indicates that the introduction of a suitable triflylamide tether unit changes their catalytic function from transfer hydrogenation to hydrogenation.

AB - A series of triflylamide-tethered Cp′Rh and Cp′Ir complexes, [η5:η1-(CH3)4C 5(CH2)nNTf]M (M = Rh, Ir, n = 2-4), have been newly prepared and their three-legged piano-stool structure has been characterized. The tethered complexes having the (R,R)-MsDPEN ligand have been found to promote asymmetric hydrogenation of acetophenone, which indicates that the introduction of a suitable triflylamide tether unit changes their catalytic function from transfer hydrogenation to hydrogenation.

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JO - Organometallics

JF - Organometallics

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Bifunctional triflylamide-tethered Cp′Rh and Cp′Ir complexes: A new entry for asymmetric hydrogenation catalysts

Abstract

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