DIRECT HALOGENATION REACTIONS IN 2,3-DIHYDRO-4(1H)-QUINAZOLINONES

[摘要]：Reaction of 2,3-dihydro-4(1H)-quinazolinones with NBS, Br-2/Et3N and NCS yields 6,8-Br/Cl-2,3-dihydro-4(1H)-quinazolinones with moderate to good yield. The method does not require a catalyst and offers extremely short reaction time.

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