Organocatalyzed Amine-Free O-Phosphorylation of Alcohols with 4-Methylpyridine N-Oxide
CHEMICAL & PHARMACEUTICAL BULLETIN(2024)
Abstract
Amine-free phosphorylation of various alcohols was developed with 4-methylpyridine N-oxide in the presence of 4 angstrom molecular sieves at room temperature. This mild method gave various phosphorylated products in high yield and could be applied to acid- or base-sensitive substrates. Furthermore, this method was also effective for the chemoselective phosphorylation of diols or polyols.
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Key words
pyridine N-oxide,phosphorylation,alcohol,catalyst
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