Scheme 1From: Design, synthesis, in vitro anticancer, molecular docking and SAR studies of new series of pyrrolo[2,3-d]pyrimidine derivativesSynthesis of 3–7. a HCOOH; b POCl3/P2O5, MW for 15 min at 100 °C; c POCl3; d AcOH/HCl (3:1)Back to article page