2020
DOI: 10.1016/j.jorganchem.2020.121294
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Synthesis and reactivity studies of a [Cp∗Rh] complex supported by a methylene-bridged hybrid phosphine-imine ligand

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Cited by 11 publications
(8 citation statements)
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“…Therefore, we conclude that the Rh III species is produced in the electrochemical cell only upon oxidation of the Rh II form of the compound at 0 V. We next turned to interrogation of the reactivity of the [Cp*Rh I ] complex 2 with a proton source in order to test for generation of a hydride complex. [3,5,7,8,22] Addition of a thawing acetonitrile solution of anilinium triflate (pK a = 10.6 in CH 3 CN [23] ) to a thawing THF solution of 2 results in lightening from dark red-brown to red-orange. Following extraction of the crude reaction mixture with THF, a [Cp*Rh] monohydride formulated as [Cp*Rh(dppf)H] + (4; see Scheme 1) is left behind as a red-orange insoluble solid and can be isolated in pure form following further workup (see Experimental Section).…”
Section: Resultsmentioning
confidence: 99%
“…Therefore, we conclude that the Rh III species is produced in the electrochemical cell only upon oxidation of the Rh II form of the compound at 0 V. We next turned to interrogation of the reactivity of the [Cp*Rh I ] complex 2 with a proton source in order to test for generation of a hydride complex. [3,5,7,8,22] Addition of a thawing acetonitrile solution of anilinium triflate (pK a = 10.6 in CH 3 CN [23] ) to a thawing THF solution of 2 results in lightening from dark red-brown to red-orange. Following extraction of the crude reaction mixture with THF, a [Cp*Rh] monohydride formulated as [Cp*Rh(dppf)H] + (4; see Scheme 1) is left behind as a red-orange insoluble solid and can be isolated in pure form following further workup (see Experimental Section).…”
Section: Resultsmentioning
confidence: 99%
“…Excess diethyl ether was added to the prepared solution to obtain a yellowish precipitate (C p M), which was filtered and dried at room temperature. 61–63…”
Section: Methodsmentioning
confidence: 99%
“…Excess diethyl ether was added to the prepared solution to obtain a yellowish precipitate (C p M), which was filtered and dried at room temperature. [61][62][63] Conclusions A new AQ monomer based as a modifier within the framework of a CN photocatalyst was designed for artificial photosynthesis. Studies (DRS, XRD, FTIR spectroscopy, scanning electron microscopy, ζ-potential, morphology) were used to characterize the AQBCN photocatalyst.…”
Section: Reaction Chemistry and Engineering Papermentioning
confidence: 99%
“…Structures containing [Cp*M] fragments tend to be quite stable, because of the steric bulk and strong donor properties of Cp*, but can also serve as catalysts for a variety of transformations . In our own work, we have relied on the synthetic versatility of [Cp*Rh] complexes for the preparation of new metal complexes useful for studies of proton management during catalysis . Others have also leveraged this versatility to prepare attractive new types of heterobimetallic complexes and catalysts. In the context of this work, we examined the literature and were surprised to find no prior synthetic work aimed at incorporating organometallic fragments like the [Cp*Rh] or [Cp*Ir] cores into metal complexes bearing dioximato sites.…”
Section: Introductionmentioning
confidence: 99%