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Über Anthranol-sulfosäuren

✍ Scribed by Liebermann, C. ;Zsuffa, M.


Publisher
Wiley (John Wiley & Sons)
Year
1910
Weight
307 KB
Volume
43
Category
Article
ISSN
0365-9631

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Über die Struktur der Guaj-azulen-sulfos
✍ W. Meier; Doris Meuche; E. Heilbronner 📂 Article 📅 1963 🏛 John Wiley and Sons 🌐 German ⚖ 624 KB

## Abstract Sulphonation of guaiazulene (**1**) with sulphuric acid in acetic acid anhydride is known to give guaiazulene‐1‐sulphonic acid (**2**). It is shown that sulphonation of (**1**) with oleum yields the isomers (**3**) and (**4**), carrying the sulphonic group in position 2 and on the 1‐met