A facile and versatile method for the synthesis of alicyclic fused pyrimidones from aminoacrylates and lactams in the presence of phosphorous oxychloride is described. The results suggest that this method is widely applicable except for cyclobutyl fused systems. This method gives better yield than the method ofcondensing aminopyrrolidines with the beta keto esters.
Volume 134, 2022
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