52535-75-8Relevant articles and documents
Various synthetic routes to imidazothienopyrimidines and pyrimidothienopyrimidines in some cases annelated
Leistner, S.,Guetschow, M.,Vieweg, H.,Wagner, G.,Strohscheidt, Th.,Grupe, Renate
, p. 756 - 760 (2007/10/02)
The tricyclic or tetracyclic imidazothienopyrimidines and pyrimidothienopyrimidines were synthesized by three routes: Route A: Thieno1,3-thiazin-4-thiones E undergo the ring transformation with α,ω-diamino-alkanes to giv