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Topic: 2-hydroxyanthracene synthesis  (Read 1101 times)

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Offline watizit97

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2-hydroxyanthracene synthesis
« on: June 16, 2019, 04:47:06 AM »
Hi. Anyone know how to synthesise 2-hydroxyanthracene from 2-hydroxyanthraquinone? If there’s another alternative besides using 2-hydroxyantheaquinone, that’d be great.
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Offline AWK

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Re: 2-hydroxyanthracene synthesis
« Reply #1 on: June 16, 2019, 01:32:45 PM »
Reduction with Zn/NaOH under nitrogen
or
from 2-aminoanthracene - diazotization-decomposition
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Offline hollytara

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Re: 2-hydroxyanthracene synthesis
« Reply #2 on: June 20, 2019, 09:21:53 PM »
Check out:  Arjunan, P.; Berlin, K.D. “An Improved Synthesis of 2-Anthraldehyde”

Organic Preparations and Procedures, 13, 368-371, 1981.

They use Zn, NH4OH ,and CuSO4 - 98% yield in 4 hours.
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