Kategaonkar, A.H.; Sadaphal, S.A.; Shelke, K.F.; Shingate, B.B.; Shingare, M.S.
(2009)
Pyrimido[4,5-d]pyrimidine derivatives were synthesized by using an efficient, facile and solvent-free procedure. Here, a non-conventional synthetic procedure has been developed where solid support of alumina is used as ...