Synthesis of indoles from pyridinium sal
โ
M. A. Yurovskaya; A. Z. Afanas'ev; S. L. Druzina; Yu. G. Bundel'
๐
Article
๐
1989
๐
Springer US
๐
English
โ 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.