Abstract
Cyclohexyl phenyl and cyclohexyl (2-thienyl) ketoximes react with acetylene under pressure in the two-phase KOH/DMSO/n-hexane system at 70°C to afford the corresponding spirocyclic 3H-pyrroles, 1-(het)aryl-2-azaspiro[4.5]deca-1,3-dienes, in 18–19% yields.
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