A One Pot Synthesis of 5, 7-diaryl-1,5-dihydro (or 1, 2, 3, 5-tetrahydro)- pyrano[2, 3-D] pyrimidin-2, 4-diones (or 2-thioxo-4-ones). Dhaka Univ. J. Sci. 2013;61(2):167-171. doi:10.3329/dujs.v61i2.17065