ABSTRACT
Several new thienopyridine and methylthioether derivatives have been synthesized. New synthesis of pyrido[2,3-b]-thieno[3,2-d]pyrimidine and penta substituted benzene were achieved.
ACKNOWLEDGMENTS
We are grateful to Prof. Dr. B. J. Wakefield, University of Salford, Salford MS 4 WT. U.K. for microanalysis and spectral measurements.