Synthesis of functionalised optically active bicyclic and angularly fused tricyclic compounds from (l)-Menthone by tin-mediated vinyl radical cyclization

Article abstract of DOI:10.1016/S0040-4020(97)00269-X

Functionalised optically active bicyclo[4.3.0] system 5, and angularly fused tricycle [7.4.0.0^4.9] system 11 were synthesized from (l)-menthone propargyl derivative 4 and spiromenthone propargyl derivative 10 by tin-mediated radical cyclization.