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The preparation of 3-chlorothieno[3,2-b] thiophene derivatives from thiophene-2-acrylic acids

✍ Scribed by W. B. Wright Jr.

Book ID
112122731
Publisher
Journal of Heterocyclic Chemistry
Year
1972
Tongue
English
Weight
221 KB
Volume
9
Category
Article
ISSN
0022-152X

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πŸ“œ SIMILAR VOLUMES

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 πŸ“‚ Article πŸ“… 1975 πŸ› John Wiley and Sons 🌐 German βš– 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