![]() ![]() Discovered by accident, the reagent was originally prepared via addition of pyridine into a cold solution of chromium trioxide in concentrated hydrochloric acid: C 5H 5N + HCl + CrO 3 → Related salts are also known, such as 1-butylpyridinium chlorochromate, and potassium chlorochromate. ![]() PCC consists of a pyridinium cation, +, and a tetrahedral chlorochromate anion, −. PCC offers the advantage of the selective oxidation of alcohols to aldehydes or ketones, whereas many other reagents are less selective. A variety of related compounds are known with similar reactivity. It is a reagent in organic synthesis used primarily for oxidation of alcohols to form carbonyls. Pyridinium chlorochromate ( PCC) is a yellow-orange salt with the formula + −. Chemical compound Pyridinium chlorochromate in a vial ![]()
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