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Unterscheidung von 5-Amino-salicylsäure von 4-Amino-salicylsäure (PAS) nebst einigen Bemerkungen zur Indophenol- und Vlezenbeek-Probe.

✍ Scribed by Friedrich V. Bruchhausen; Hans Karbe; Willi Kunz


Publisher
John Wiley and Sons
Year
1950
Tongue
English
Weight
341 KB
Volume
283
Category
Article
ISSN
0365-6233

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Bemerkungen zur Synthese von 5-Amino-m-x
✍ Alfred Courtin; Hans-Rudolf von Tobel 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 German ⚖ 435 KB

**Some comments on the syntheses of 5‐amino‐__m__‐xylene‐2‐sulfonic acid and 5‐amino‐__m__‐xylene‐4‐sulfonic acid** Treatment of 5‐amino‐__m__‐xylene (**1**) with oleum led to a 55:45 mixture of 5‐amino‐__m__‐xylene‐2‐sulfonic acid (**2**) and 5‐amino‐__m__‐xylene‐4‐sulfonic acid (**3**). The struc