Synthesis of 1-(alkylamino)- and 1-(dialkylamino)benzimidazoline-2-thiones
Unlike 1-aminobenzimidazoles, 1-alkylaminobenzimidazoles are thiolated on fusing with sulfur without elimination of the N-amino group, yielding the previously unknown 1-(alkylamino)benzimidazoline-2-thiones.These compounds can be more conveniently obtaine
Dyablo, O. V.,Pozharskii, A. F.,Kuz'menko, V. V.
p. 2137 - 2141
(2007/10/03)
METALLATION OF 1-DIALKYLAMINOBENZIMIDAZOLES
In contrast to 1-amino- and 1-alkylaminobenzimidazoles, 1-di-alkylaminobenzimidazoles are metallated by n-butyl-lithium in absolute ether at the 2-position.The subsequent treatment of the lithium derivatives by electrophilic reagents, in which role benzop
Kuz'menko, V. V.,Filatova, I. A.,Pozharskii, A. F.
p. 1009 - 1014
(2007/10/02)
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