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Transcript
Chem 343 – Organic Reactions Chapter 10 Prepared by José Laboy, MS http: www.chem.wisc.edu/areas /clc (Resource page) Reactions of Alcohols #5: Oxidation of Primary Alcohols to Aldehydes *PCC = Mechanism CH2Cl2 O N Cl O H HO H O O O Cl O H OH O Cr Cr Cl O Cr H O O Pyridinium Chlorochromate (PCC)* OH O Cr O Cl O H3O+ OH2 O O O O Cl O O H2O Cr Cr Cl O H Cr Cl O O + PCC is the reagent of choice when transforming 1o alcohols to aldehydes. Secondary alcohols will be oxidized to ketones and 3o alcohols cannot be oxidized an aldehyde