Electric Literature of 18531-94-7, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 18531-94-7, Name is (R)-[1,1′-Binaphthalene]-2,2′-diol,introducing its new discovery.
The axially chiral monophosphine 2-(diphenylphosphino)-2′-methoxy-1,1′- binaphthyl (MeO-MOP) is a versatile ligand. We report a shorter (four steps from chiral BINOL), more atom-economical synthetic route to MeO-MOP. (R)-BINOL is transformed into its monomethyl ether by the Mitsunobu reaction, and the latter is reacted with triflic anhydride to give its triflate. The C-P coupling of the triflate and diphenylphosphine oxide catalyzed by palladium give a phosphine oxide, the precursor of (R)-MeO-MOP, which is reduced with trichlorosilane to furnish (R)-MeO-MOP.
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Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI