V. Vijayakumar, P. Karthikeyan, S. Sarveswari
May 9, 2014
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Journal
European Chemical Bulletin
Abstract
Normal 0 The 4-oxo-N, 2, 6-triphenyl piperidine-3-carboxamides ( 3a-f ) were synthesized using arlyaldehydes, ammonium acetate and acetoacetanilide, which in turn converted into 5,6,7,8-tetrahydro-4-hydroxy-5,7-diarylpyrido[4,3-d]pyrimidin-2(3H)-ones ( 4a-f ), 2-amino-5,6,7,8-tetrahydro-5,7-diarylpyrido[4,3-d]pyrimidin-4-ols ( 5a-f ) by condensing with guanidine carbonate, and urea.