Pyridinium chlorochromate (PCC) is an important reagent in organic synthesis used primarily for the selective
oxidation of alcohols to give carbonyl compounds. Although a variety of related compounds are known
with similar reactivity, PCC offers exclusively the advantage of the selective oxidation of alcohols to aldehydes,
whereas many other reagents were less selective. Disadvantages of using PCC are the tedious reaction workup and
its toxicity, very well compensated by selective oxidation, observed using this reagent as an oxidant. This useful
oxidant was first synthesized and used by E. J. Corey and J. William Suggs in 1972.
Keywords: Pyridinium chlorochromate (PCC), organic synthesis, alcohol, oxidation, carbonyl compounds, selective
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