Abstract
AbstractCycloisomerization of 1,6‐enynes to access azabicyclo[4.1.0]heptenes was achieved in the presence of commercially available [RuCl2(CO)3]2 after a comprehensive study on the electronic properties of ruthenium complexes. A series of 1,6‐enynes bearing an internal/terminal alkyne motif proved to be good candidates for substrates, giving their corresponding bicyclo[4.1.0]heptenes in good to excellent yields. Substitution patterns on either alkyne or alkene have no significant influence on the yields of bicyclic adducts.
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