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Synthesis of indoles from pyridinium salts. 6. Reaction of 3-nitroquinolinium salts with ketones in the presence of amines

โœ Scribed by M. A. Yurovskaya; A. Z. Afanas'ev; V. A. Chertkov; N. M. Smirnova; P. I. Zakharov; Yu. G. Bundel'

Publisher
Springer US
Year
1988
Tongue
English
Weight
690 KB
Volume
24
Category
Article
ISSN
0009-3122

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๐Ÿ“œ SIMILAR VOLUMES

Synthesis of indoles from pyridinium sal
Synthesis of indoles from pyridinium salts. 7. Sterically hindered alkyl-3-nitropyridinium salts in the synthesis of indoles
โœ M. A. Yurovskaya; A. Z. Afanas'ev; S. L. Druzina; Yu. G. Bundel' ๐Ÿ“‚ Article ๐Ÿ“… 1989 ๐Ÿ› Springer US ๐ŸŒ English โš– 464 KB

The introduction of bulky alkyl substituents (iso-Pr,tert-Bu) into any positions of the starting 3-nitropyridinium salt only increases the reaction time and decreases the yields of the corresponding alkylindoles somewhat.