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Benzo[b]thiophene derivatives I. 6-methoxybenzo[b]thiophene analogs of plant growth regulators

✍ Scribed by Robert D. Schuetz; Richard L. Titus

Book ID: 112121645
Publisher: Journal of Heterocyclic Chemistry
Year: 1967
Tongue: English
Weight: 283 KB
Volume: 4
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570040401

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## 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