Collection of Czechoslovak Chemical Communications p. 531 - 539 (1992)
Update date:2022-08-28
Topics:
Milata, Viktor
Ilavsky, Dusan
Goljer, Igor
Lesko,Jan
Ethoxymethylene derivatives of 2,4-pentanedione (Ia), 3-oxobutanenitrile (Ib), methyl (Ic) or ethyl (Id) 3-oxobutanoate give with 4- or 5-aminobenzimidazole or benzotriazole, respectively, under mild conditions products of nucleophilic substitution II-V.Structure of these compounds was discussed on the basis of their spectral measurements -IR, UV, 1H, 13C NMR and mass spectra.
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