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Sur les esters activés III. Nouvelle synthèse des dioxo-2,5-pipérazines et étude de leurs propriétés chimiques

✍ Scribed by R. Buyle


Publisher
John Wiley and Sons
Year
1966
Tongue
German
Weight
324 KB
Volume
49
Category
Article
ISSN
0018-019X

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Synthèses dans la série des bis-indéno-a
✍ Louis Chardonnens; François Schorderet 📂 Article 📅 1972 🏛 John Wiley and Sons 🌐 German ⚖ 379 KB

The title compounds, a dioxo (XVIII) and a tetraoxoderivative (VI) of a new diindenoanthracene, are synthesized in several steps (overall yield 35 and 26%, respectively) starting from 2,3-dimethyl-1,4-diphenyl-butadiene-l, 3 (VIII). The corresponding hydrocarbon could not be obtained by reduction.