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Amphiphilic Biaryl Monophosphine Ligands by Regioselective Sulfonation
Author(s)
Rodriguez, Jacob; Dhanjee, Heemal H; Buchwald, Stephen L
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© 2021 American Chemical Society. Amphiphilic ligands are valued for their ability to facilitate organometallic reactions in the presence of water. The regioselective sulfonation of a series of commercially available biaryl monophosphines to generate amphiphilic ligands is presented. In this one-step protocol, the temperature and addition of fuming sulfuric acid were carefully controlled to arrive at sulfonated biaryl monophosphine ligands in high yields with >95% regioselectivity without the need for chromatographic purification.
Date issued
2021Journal
Organic Letters
Publisher
American Chemical Society (ACS)
Citation
Rodriguez, Jacob, Dhanjee, Heemal H and Buchwald, Stephen L. 2021. "Amphiphilic Biaryl Monophosphine Ligands by Regioselective Sulfonation." Organic Letters, 23 (3).
Version: Author's final manuscript