Abstract
A new method for the synthesis of 3-substituted-1-ferrocenyl-2-propyn-1-ones was developed involving carbonylative Sonogashira coupling of iodoferrocene with terminal acetylenes. New ferrocenyl 1,3,5-trisubstituted pyrazoles and 2,4,6-trisubstituted pyrimidines were obtained by the addition-cyclocondensation reaction of the alkynones with hydrazines and guanidinium salts, respectively. The products were obtained with moderate to excellent yields and were characterised with various spectroscopic methods ( 1H NMR, 13C NMR IR, MS).
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