The [Rh(Xantphos)]+ catalyzed hydroboration of diphenylacetylene using trimethylamine-borane

DIETZ, Maximilian, JOHNSON, Alice, MARTÍNEZ-MARTÍNEZ, Antonio and WELLER, Andrew S. (2019). The [Rh(Xantphos)]+ catalyzed hydroboration of diphenylacetylene using trimethylamine-borane. Inorganica Chimica Acta, 491, 9-13.

Johnson-TheRhXantphos(VoR).pdf - Published Version
Creative Commons Attribution.

Download (1MB) | Preview
Official URL:
Open Access URL: (Published version)
Link to published version::


The rhodium(I) complex [Rh(κ3-P,O,P-Xantphos)(η2-PhC≡CPh)][BArF4] (ArF = 3,5-(CF3)2C6H4) is an effective catalyst for the cis-selective hydroboration of the alkyne diphenylacetylene using the amine-borane H3B·NMe3. Detailed mechanistic studies, that include initial rate measurements, full simulation of temporal profiles for a variety of catalyst and substrate concentrations, and speciation experiments, suggest a mechanism that involves initial coordination of alkyne and a saturation kinetics regime for amine-borane binding. The solid-state molecular structure of a model complex that probes the proposed resting state is also reported, [Rh(κ3-P,O,P-Xantphos)(NCMe)(η2-PhC≡CPh)][BArF4].

Item Type: Article
Uncontrolled Keywords: 0302 Inorganic Chemistry; 0306 Physical Chemistry (incl. Structural); 0399 Other Chemical Sciences; Inorganic & Nuclear Chemistry
Identification Number:
Page Range: 9-13
SWORD Depositor: Symplectic Elements
Depositing User: Symplectic Elements
Date Deposited: 17 May 2022 15:41
Last Modified: 12 Oct 2023 12:02

Actions (login required)

View Item View Item


Downloads per month over past year

View more statistics