Wiley-VCH Verlag, ChemInform, 4(34), 2003
Elsevier, Tetrahedron Letters, 44(43), p. 7883-7885
DOI: 10.1016/s0040-4039(02)01900-7
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Novel polyaza heterocycles, dipyrido[3,2-a:2′,3′-c]quinolino[2,3-h]phenazines, were synthesized via a regiocontrolled condensation between 5,6-phendione and 3,4-diaminoacridine derivatives.