Simple and Efficient Synthesis of Novel Fused Bicyclic Heterocycles Pyrimido-Thiazine and Their Derivatives

Sirsat Shivraj B and Vartale Sambhaji P^*

P.G. Research centre, Department of Chemistry, Yeshwant Mahavidyalaya, Nanded 431602 (MS), India

^*Corresponding Author: Vartale Sambhaji P, P.G. Research Centre, Department of Chemistry, Yeshwant Mahavidyalaya, Nanded-431602 (MS), India Email: