Return to Article Details DERIVATIVES OF CONDENSED THIENO[2,3-<i>d</i>]PYRIMIDINES. 15. SYNTHESIS OF 2-SUBSTITUTED 3-AMINO-6,6-DIMETHYL-5,6-DIHYDRO-8H-PYRANO[4',3':4,5]THIENO[2,3-<i>d</i>]PYRIMIDIN-4-ONES Download Download PDF