A novel one‐pot approach for the synthesis of aryl substituted quinazolin‐4(3H)‐ones and 2,3‐dihydro‐4(1H)‐quinazolinones has been reported based on the reductive desulfurization of 3‐aryl‐2‐thioxo‐4(3H)‐quinazolinones with nickel boride in dry methanol at ambient temperature.
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Khurana et al. (2003) studied this question.
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