Stereospecific transannular cyclization of mesocyclic homoallylic sulfides. 2. (Z)- and (E)-Thiacyclonon-4-enes. Synthesis, carbon-13 nuclear magnetic resonance, and conformation of methyl-substituted cis-1-thioniabicyclo[4.3.0]nonane salts
Stereospecific transannular cyclization of mesocyclic homoallylic sulfides. 2. (Z)- and (E)-Thiacyclonon-4-enes. Synthesis, carbon-13 nuclear magnetic resonance, and conformation of methyl-substituted cis-1-thioniabicyclo[4.3.0]nonane salts