Heterocycles p. 857 - 870 (2002)
Update date:2022-07-29
Topics:
Hu, Baihua
Malamas, Michael
Ellingboe, John
A series of heterocycle substituted 1-aryl-4-piperidones were prepared via Knoevenagel condensations between nitrogen-containing 5-membered heterocycles and benzaldehyde (1) followed by reduction or amination. The oxadiazolidinedione ring was formed by reacting the N-hydroxyurea (10) with methyl chloroformate and sodium hydride.
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