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A new procedure for the solid-phase synthesis of 2,6- and 2,7-diamino-4(3H)-quinazolinones is described. The method involves coupling of 2,4,6- and 2,4,7-trichloroquinazoline to a solid support via benzyl alcohol type linkers, subsequent displacement of chlorine at C-2 then at the C-6 or C-7 positions by amines () and the cleavage of the products from the resin. The palladium-catalyzed amination of...
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