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November 1, 1985Synthetic Communications

3-Carboxypyridinium Dichromate (NDC) and (4-Carboxypyridinium Dichromate (INDC). Two New Mild, Stable, Efficient, and Inexpensive Chromium (VI) Oxidation Reagents

Carla M. Lopez António-José González Fernando P. Cossío Claudio Palomo

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Abstract

Two mild new chromium (VI) reagents derived from nicotinic acid and isonicotinic acid are described. Nicotinium dichromate (NDC) and isonicotinium dichromate (INDC) oxidize alcohols into carbonyl compounds, mercaptans into disulfides and hydroquinones into quinones. Oxidtion of polynuclear aromatic hydrocarbons is made. Pyridine assisted oxidations by means of these reagents are also described.

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Lopez et al. (1985) studied this question.

synapsesocial.com/papers/6aa285e9abff4220a6a899a8 https://doi.org/10.1080/00397918508077265

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