Reactions with benzo[b]thiophene-2,3-dio
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Mohamed Mohamed Mohamed Sallam; Mohamed Helmi Elnagdi; Mohamed Husein Abdel-Hady
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Article
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1975
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John Wiley and Sons
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German
β 555 KB
## Abstract Benzo[b]thiopheneβ2,3βdiones (**1**) react with __Grignard__ reagents to yield 2,3βdihydroxyβ2,3βdiaryl(aralkyl)benzo[b]βthiophenes (**2**). The latter compounds yield 3,3βdiaryl(aralkyl)βbenzo[b]thiopheneβ2βones (**3**) by pinacolone rearrangement. Treatment of **3** by hot ethanolic s