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Ebraheem, M. A and Rai, K. M. Lokanatha and Kudva.N, N. U and Bahjat, A. S (2010) Synthesis of new polysubstituted (pyrazoles, pyrimidines and quinolines) five and six-membered heterocycles: reaction of α,α-dioxoketene dithioacetals with nucleophiles. Tetrahedron Letters, 51 (27). 3486 - 3492. ISSN 0040-4039