Co. Kangani et He. Master, STUDIES IN ANTHRAQUINONE - PREPARATION OF 2-SUBSTITUTED PYRIMIDOANTHRAQUINONES AND RELATED FUSED 1,2,4-TRIAZOLO, TETRAZOLO AND PYRAZOLINO DERIVATIVES, Journal of heterocyclic chemistry, 34(6), 1997, pp. 1699-1704
This paper describes the synthesis of substituted-4(3H)-oxopyrimido[4,
5-a]anthraquinone, stituted-4-hydrazinopyrimido[4,5-a]anthraquinones,
several 1,2,4-triazolo[4,3-c]pyrimido[4,5-a]anthraquinones tetrazolo[4
,5-c]pyrimido[4,5-a]anthraquinones and pyrazolinopyrimidoanthraquinone
derivatives.