Cyclocondensation of malonic hyrazide with two equimolar of dibenzal acetophenone 2 resulted in cyclohexane pyrazole 4 presumably via the non-isolable aza Michel product 3 followed by losing H2O. Three equivalent amount of benzoyl isothiocynate and malonic hydrazide undergo Michel and two Aza Michel addition providing poly thiourea derivative 6.The hydrazone type 7 cyclocondensed with two mole of CS2 to furnish pyridazine derivative 9. Nitrosation of target 7 resulted in hydrazone of type 11 that cyclized to oxadiazine 12. Compound 7 undergo Michel addition to hetero allene followed by cyclization yielding pyrimidine 15.