Darstellung und Konstitution zweier Pentaacetyl-saccharosen
✍ Scribed by Bredereck, Hellmut ;Zinner, Helmut ;Wagner, Adolf ;Faber, Gerhard ;Greiner, Walter ;Huber, Walter
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1958
- Tongue
- English
- Weight
- 377 KB
- Volume
- 91
- Category
- Article
- ISSN
- 0009-2940
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📜 SIMILAR VOLUMES
**Enehydrazines, 28. Preparation and Transformation of two Isomeric Pyrazolines** The formerly prepared pyrazolidines **1a, b** are dehydrogenated to the title compounds **2a, b**. Compound **2a** epimerizes to **2b** which eliminates methyl acetate to give the pyrazole **3**.
## Abstract Two aglucones of betanin, called betanidin and __iso__betanidin, are described. Empirical formulas (C~19~H~18–20~O~8~N~2~) and certain structural features are deduced for them. Degradations of the aglucones are shown to yield indole and pyridine compounds.