Hydrogen Hexachloroplatinate(IV)

Sibi, Mukund P.

doi:10.1002/047084289x.rh038

Encyclopedia of Reagents for Organic Synthesis 2001

DOI: 10.1002/047084289x.rh038

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Hydrogen Hexachloroplatinate(IV)

Mukund P. Sibi

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Cited by 3 publications

(1 citation statement)

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“…Platinum-catalyzed hydrosilylation reactions were first described in the 1950s, with the disclosure of hexachloroplatinic acid . Since then, the field has matured, with the development of more sophisticated catalytic systems being disclosed .…”

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confidence: 99%

Regioselective Synthesis of Multifunctional Allylic Amines; Access to Ambiphilic Aziridine Scaffolds

Roberts

McLaughlin

2021

Org. Lett.

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We describe, for the first time, a highly regioselective hydrosilylation of propargylic amines. The reaction utilizes a PtCl 2 /XantPhos catalyst system to deliver hydrosilanes across the alkyne to afford multifunctional allylic amines in high yields. The reaction is tolerant to a wide variety of functional groups and provides high value intermediates with two distinct functional handles. The synthetic applicability of the reaction has been shown through the synthesis of diverse ambiphilic aziridines.Letter pubs.acs.org/OrgLett

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confidence: 99%

Regioselective Synthesis of Multifunctional Allylic Amines; Access to Ambiphilic Aziridine Scaffolds

Roberts

McLaughlin

2021

Org. Lett.

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Diastereoselective access to substituted oxetanes via hydrosilylation–iodocyclisation of homopropargylic alcohols

Roberts

McLaughlin

2022

Chem. Commun.

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Electrochemical recycling of homogeneous catalysts

et al. 2022

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Homogeneous catalysts have rapid kinetics and keen reaction selectivity. However, their widespread use for industrial catalysis has remained limited because of challenges in reusability. Here, we propose a redox-mediated electrochemical approach for catalyst recycling using metallopolymer-functionalized electrodes for binding and release. The redox platform was investigated for the separation of key platinum and palladium homogeneous catalysts used in organic synthesis and industrial chemical manufacturing. Noble metal catalysts for hydrosilylation, silane etherification, Suzuki cross-coupling, and Wacker oxidation were recycled electrochemically. The redox electrodes demonstrated high sorption uptake for platinum-based catalysts ( Q max up to 200 milligrams of platinum per gram of adsorbent) from product mixtures, with up to 99.5% recovery, while retaining full catalytic activity over multiple cycles. The combination of mechanistic studies and electronic structure calculations indicate that selective interactions with anionic intermediates during the catalytic cycle played a key role in the separations. Last, continuous flow cell studies support the scalability and favorable technoeconomics of electrochemical recycling.

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Hydrogen Hexachloroplatinate(IV)

Cited by 3 publications

References 66 publications

Regioselective Synthesis of Multifunctional Allylic Amines; Access to Ambiphilic Aziridine Scaffolds

Regioselective Synthesis of Multifunctional Allylic Amines; Access to Ambiphilic Aziridine Scaffolds

Diastereoselective access to substituted oxetanes via hydrosilylation–iodocyclisation of homopropargylic alcohols

Electrochemical recycling of homogeneous catalysts

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