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Reactions of quaternized imidazo-quinazoline and-pyridopyrimidine with active methylene compounds

✍ Scribed by Mojca Dobnikar; Marijan Kočevar; Andrej Petrič; Miha Tišler; Bojan Verček


Publisher
Springer Vienna
Year
1989
Tongue
English
Weight
238 KB
Volume
120
Category
Article
ISSN
0026-9247

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~l-Fluoro vinamidinium salt (1) reacted with 1.1 equiv, of methylene compounds activated with carbonyl or cyano groups in the presence of lithium diisopropylamide or sodium hydride and triethylamine in tetrahydrofuran at room temperature to give monofluorinated multifunctional dienaminones (3) and d