Mannich-Type Condensation and Domino Quinazolinone-Amidine Rearrangement Affords Ring-Fused Mackinazolinones with Anti-Amoebic Activity
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A three-step synthesis of anti-amoebic, ring-fused mackinazolinones has been developed. A Mannich-type reaction between quinazolin-4-ones and N-Cbz propanal in the presence of AgOTf afforded quinazolinones (19-94% isolated yield) bearing a newly formed heteroc... ...
