%0 Conference Proceedings %T A facile approach for the synthesis of novel benzo[b]pyrazolo[5\',1\':2,3]pyrimido[4,5-e][1,4]thiazine derivatives %A Sheikhi Mohammareh, Seddigheh %A Rahimizadeh, Mohammad %A Bakavoli, Mehdi %A Shiri, Ali %J 21st Iranian Seminar of Organic Chemistry %D 2014