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Author: Subject: Mysterious reaction

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Registered: 20-3-2017
Location: Rio de Janeiro, RJ, Brazil
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[*] posted on 18-9-2017 at 13:41
Mysterious reaction

Does somebody know what kind of reaction is going on here? At a first glance I thought that was a Hoesch reaction but it doesn't use paraformaldehyde. It has everything for a Hoesch reaction but has the paraformaldehyde as a intruder. Maybe it's two reactions yielding the same product? Maybe it's a variation of the Vilsmeier–Haack reaction? What do you think, guys?

The Strange Reaction.png - 43kB
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National Hazard

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Mood: Ever so slowly crystallizing...

[*] posted on 18-9-2017 at 14:11

Like the Vilsmeier-Haack, it is a formylation. This looks like a variant of the magnesium-mediated formylation of phenol, albeit less amateur friendly due to the acetonitrile and triethylamine.

[Edited on 18-9-2017 by Crowfjord]
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