1235985-82-6Relevant articles and documents
Fused polycyclic nitrogen-containing heterocycles 24.* Three-component condensation of diethyl 2, 4, 6-trioxoheptanedicarboxylate with salicylaldehydes and ammonium acetate as a new method for the synthesis of 7-and 9-substituted benzo[e]pyrano[4, 3-b]pyr
Mamedov,Sysoeva,Murtazina,Berdnikov,Gubaidullin,Kadyrova,Mironova,Litvinov
experimental part, p. 1452 - 1464 (2011/01/08)
The three-component condensation of diethyl 2, 4, 6- trioxoheptanedicarboxylate with salicylaldehyde and its 3, 5-dichloro-, 3-methoxy-, and 5-methoxy-substituted derivatives in EtOH in the presence of ammonium acetate affords tricyclic products, viz., te