470455-87-9Relevant articles and documents
Synthesis and antimicrobial activity of new pyridothienopyrimidines and pyridothienotriazines
Abdel-Rahman, Abdu E.,Bakhite, Etify A.,Al-Taifi, Elham A.
, p. 223 - 231 (2007/10/03)
5-Acetyl-3-amino-4-aryl-6-methylthieno[2,3-b]pyridine-2-carboxamides (5a,b) were reacted with triethyl orthoformate or nitrous acid to give the corresponding pyrimidinones 6a,b and triazinones 7a,b. The reaction of 5a,b with acetic anhydride was carried o