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Regiospecific Synthesis of 2-Halo-3-(2′-glucalyl)benzo[ b ]thiophenes

✍ Scribed by Kinfe, Henok H.; Makolo, Felix L.; Adokoh, Christian K.

Book ID
125929815
Publisher
American Chemical Society
Year
2014
Tongue
English
Weight
457 KB
Volume
79
Category
Article
ISSN
0022-3263

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Reactions with benzo[b]thiophene-2,3-dio
Reactions with benzo[b]thiophene-2,3-diones I: Synthesis of 2,3-dihydroxy-2,3-diaryl(aralkyl)benzo[b]thiophene derivatives
✍ Mohamed Mohamed Mohamed Sallam; Mohamed Helmi Elnagdi; Mohamed Husein Abdel-Hady 📂 Article 📅 1975 🏛 John Wiley and Sons 🌐 German ⚖ 555 KB

## Abstract Benzo[b]thiophene‐2,3‐diones (**1**) react with __Grignard__ reagents to yield 2,3‐dihydroxy‐2,3‐diaryl(aralkyl)benzo[b]‐thiophenes (**2**). The latter compounds yield 3,3‐diaryl(aralkyl)‐benzo[b]thiophene‐2‐ones (**3**) by pinacolone rearrangement. Treatment of **3** by hot ethanolic s