Kadam, H.K.; Gawas, A.L.; Vernekar, S.S.; Chodankar, A.A.; Gaonkar, S.S.; Salgaonkar, L.N.; Anvekar, T.S.; Vaz, T.; Mhaldar, S.N.
(Indian Journal of Chemistry- Section B. 59B(5); 2020; 677-681.)
Herein is provided an alternate, simple, multigram scale, efficient route for Biginelli reaction for synthesis of dihydropyrimidinones using urea, ethylacetatoacetate, and benzaldehyde with pivalic acid.