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JoelYin

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June 1, 2015
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June 5, 2015

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[Help!] Tetrahydroquinoline turns dark over time

JoelYin replied to JoelYin's topic in Organic Chemistry

What could be the end product of oxidation?
- June 2, 2015
- 2 replies
[Help!] Tetrahydroquinoline turns dark over time

JoelYin posted a topic in Organic Chemistry

I have seen a number of Tetrahydroquinoline derivatives turning dark green from pale yellow after synthesis, as dry powders and in solvent. What it looks like on TLC: The dark green substance seems to be very polar and barely migrated. What's more, the spots in the middle of the TLC plate also turned dark green overnight. Did any possible spontaneous reaction happened to those compounds?
- June 1, 2015
- 2 replies

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