Stereoselectivity of ring closure of substituted hex-5-enyl radicals
作者:Athelstan L. J. Beckwith、Tony Lawrence、Algirdas K. Serelis
DOI:10.1039/c39800000484
日期:——
1,5-Ring closure of 1- or 3-substituted hex-5-enylradicals affords mainly cis-disubstituted cyclic products, whereas 2- or 4-substituted species give mainly trans-products; the significance of this stereoselectivity is demonstrated in the formation of the norbornane system from acyclic precursors.