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Acetals of lactam and amide acids. 59. Synthesis of derivatives of bis(benzofuryl-3)ketones

โœ Scribed by T. I. Mukhanova; L. M. Alekseeva; V. G. Granik

Publisher
Springer US
Year
1990
Tongue
English
Weight
272 KB
Volume
26
Category
Article
ISSN
0009-3122

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โœฆ Synopsis

The reaction of substituted 3-acetylbenzofurans with dimethylformamide diethylacetal gave the corresponding enaminoketones, which reacted with p-benzoquinone to give bis(benzofuryl.3 )ketone derivatives.

๐Ÿ“œ SIMILAR VOLUMES

Lactam and acid amide acetals. 58. New s
Lactam and acid amide acetals. 58. New synthesis of 3-nitro-5-hydroxybenzofurans
โœ V. M. Lyubchanskaya; V. G. Granik ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Springer US ๐ŸŒ English โš– 291 KB

Previously unknown 3-nitro-5-hydroxybenzofuran derivatives were obtained by condensation of pbenzoquinones with nitro enamines. Information regarding the synthesis and biological activity of 2-nitro-5-hydroxybenzofurans has been presented extensively in the literature (for example, see [2][3][4][5]

Acetals of lactams and acid amides 55. S
Acetals of lactams and acid amides 55. Study of reaction of 3-oxopyridine and isoquinolin-3-one derivatives with dimethylformamide diethyl acetal
โœ L. T. Guss; L. V. Ershov; G. A. Bogdanova; V. G. Granik ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Springer US ๐ŸŒ English โš– 516 KB

6, 7, reacted similarly with hydroxylamine hydrochloride. The yields of oximes lllc and IVc in this case were 29% and 45%, respectively. 2-Phenyl-5-oxo-5,6~7~8-tetrahydroquinoline (V). This compound was obtained in 85% yield by the method in [3] from 3 g (0.0123 mole) of 2-[3-phenyl-3-oxopropyl]