Diheterocyclic compounds from dithiocarbamates and derivatives thereof. V. 4,4′-dioxo-2,2′-dithioxo(dioxo)-6,6′-biquinazolines |
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| Authors: | Javier Garí n,Enrique Mel ndez,Francisco L. Merch n,Pedro Merino,Jesú s Orduna,Tom s Tejero,Milagros Vi egra |
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| Affiliation: | Javier Garín,Enrique Meléndez,Francisco L. Merchán,Pedro Merino,Jesús Orduna,Tomás Tejero,Milagros Viñegra |
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| Abstract: | The title compounds 3, 5 and 9 were synthesized in a one step procedure from dithiocarbamates 2 or dithiocarbonimidates 7 in medium to high yields. The usefulness of 2 and 7 as synthetic equivalents of unstable or unavailable isocyanates and isothiocyanates is also discussed. |
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