Abstract

5-Substituted heteroaromaticmethyl cobaloximes are synthesized by a very simple reaction of arenesulfenyl chloride, ArSCI (Ar = Ph, C 6Cl 5 and 2,4-(NO 2) 2C 6H 3) with heteroaromaticmethyl cobaloximes, RCo III(dmgH) 2Py [R = 2- and 3-thienylmethyl, furfuryl] in the dark at 0°C. As organocobaloximes are susceptible to CoC bond cleavage by the electrophiles and free radicals, the ring substitution is quite remarkable.

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