215179-95-6Relevant articles and documents
Comparative study of synthetic approaches to 1- arylmethylenepyrazino[2,1-b]quinazoline-3,6-diones
Cledera, Pilar,Avendano, Carmen,Menendez, J. Carlos
, p. 12349 - 12360 (2007/10/03)
The transformation of 3-arylmethylenepiperazine-2,5-diones (1) into 1- arylmethylene-2,4-dihydro-1H-pyrazino[2,1-b]quinazoline-3,6-diones (2) was studied. Four synthetic methods were compared, namely direct condensation with the product of the reaction be