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DABCO as a novel and efficient catalyst for the synthesis of 4(3H)-quinazolinone derivativesKeywords: 4(3H)-Quinazolinone , DABCO (1 , 4-diazabicyclo[2 , 2 , 2]octane) , Trimethyl orthoformate , Anthranilic acid Abstract: 4(3H)-Quinazolinones were synthesized in high to excellent yields through the one-pot condensation of anthranilic acid, trimethyl orthoformate and primary amines in the presence of DABCO under solvent free conditions.
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