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7- and 12-Thienylbenz[a]anthracenes 1

โœ Scribed by Vingiello, Frank A.; Quo, Sih-Gwan; Polss, Perry


Book ID
126101630
Publisher
American Chemical Society
Year
1965
Tongue
English
Weight
548 KB
Volume
30
Category
Article
ISSN
0022-3263

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7- and 12-(o-Halophenyl)benz[a]anthracen
โœ Vingiello, Frank A.; Ojakaar, Leo; Kelsey, Rosalie ๐Ÿ“‚ Article ๐Ÿ“… 1965 ๐Ÿ› American Chemical Society ๐ŸŒ English โš– 101 KB
The preparation of specifically 2H-label
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## Abstract The 2 + 4 cycloaddition reaction of 1,4โ€naphthoquinone and substituted styrenes was used to prepare 1โ€, 2โ€, 3โ€, and 4โ€bromobenz[a]anthraceneโ€7,12โ€diones (BADs). The corresponding bromobenz[a]anthracenes (BAs) were prepared by aluminum tricyclohexoxide reduction of the diones. Lithiation

Convenient syntheses of substituted 7,12
โœ S. Khatib; M. Bouzoubaa; G. Coudert ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 110 KB

The syntheses of 7,12-Dioxa-benzo[a]anthracenes bearing in C6 a earboxymethyl group and 5aza analogues are described. The key steps are intramoleeular cyclisations of 3-arylbenzo [ 1,4]dioxin-2diethylcarboxamides and palladium catalysed methoxyearbonylation of aryl triflates.