Synthesis of 1??alkyl and 1, 3??dialkyl??2??benzimidazolones from 1??alkenyl??2??benzimidazolones using phase??transfer catalysis technique
G Vernin, H Domlog, C Siv, J Metzger…
Index: Journal of Heterocyclic Chemistry, , vol. 18, p. 85 - 89
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Citation Number: 23
Abstract
... The chemical shifts of alkyl substituents fixed on the nitrogen atom(s) in compounds 4 and 5 gave the characteristic signals corresponding to these groups. ... (3) M1 Israel and LC Jones, J. Heterocyclic Chem., 6, 735 (1969). ...
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