The synthesis of acylmethylatated pyrrolo‐quinazolinones was developed via photo‐induced cascade radical addition/cyclization of N ‐(but‐3‐enyl)quinazolin‐4(3 H )‐ones with sulfoxonium ylides using 4CzIPN as the photocatalyst. This approach was also suitable for the construction of acylmethylatated piperidino‐quinazolinones. This protocol features with mild conditions, convenient operation, broad substrate scope and good functional group compatibility.
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Wu et al. (2024) studied this question.
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